|  | F |
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

|  | F01 - F42 |
Note(s) Guide to the use of this subsection (classes Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F01-F04) The following notes are meant to assist in the use of this part of the classification scheme. In this subsection, subclasses or groups designating "engines" or "pumps" cover methods of operating the same, unless otherwise specifically provided for. In this subsection, the following terms or expressions are used with the meanings indicated: "engine" means a device for continuously converting fluid energy into mechanical power. Thus, this term includes, for example, steam piston engines or steam turbines, per se, or internal-combustion piston engines, but it excludes single-stroke devices. "Engine" also includes the fluid-motive portion of a meter unless such portion is particularly adapted for use in a meter; "pump" means a device for continuously raising, forcing, compressing, or exhausting fluid by mechanical or other means. Thus, this term includes fans or blowers; "machine" means a device which could equally be an engine and a pump, and not a device which is restricted to an engine or one which is restricted to a pump; "positive displacement" means the way the energy of a working fluid is transformed into mechanical energy, in which variations of volume created by the working fluid in a working chamber produce equivalent displacements of the mechanical member transmitting the energy, the dynamic effect of the fluid being of minor importance, and vice versa; "non-positive displacement" means the way the energy of a working fluid is transformed into mechanical energy, by transformation of the energy of the working fluid into kinetic energy, and vice versa; "oscillating-piston machine" means a positive-displacement machine in which a fluid-engaging work-transmitting member oscillates. This definition applies also to engines and pumps; "rotary-piston machine" means a positive-displacement machine in which a fluid-engaging work-transmitting member rotates about a fixed axis or about an axis moving along a circular or similar orbit. This definition applies also to engines and pumps; "rotary piston" means the work-transmitting member of a rotary-piston machine and may be of any suitable form, e.g., like a toothed gear; "cooperating members" means the "oscillating piston" or "rotary piston" and another member, e.g., the working-chamber wall, which assists in the driving or pumping action; "movement of the co-operating members" is to be interpreted as relative, so that one of the "co-operating members" may be stationary, even though reference may be made to its rotational axis, or both may move; "teeth or tooth equivalents" include lobes, projections or abutments; "internal-axis type" means that the rotational axes of the inner and outer co-operating members remain at all times within the outer member, e.g., in a similar manner to that of a pinion meshing with the internal teeth of a ring gear; "free piston" means a piston of which the length of stroke is not defined by any member driven thereby; "cylinders" means positive-displacement working chambers in general. Thus, this term is not restricted to cylinders of circular cross-section; "main shaft" means the shaft which converts reciprocating piston motion into rotary motion or vice versa; "plant" means an engine together with such additional apparatus as is necessary to run the engine. For example, a steam engine plant includes a steam engine and means for generating the steam; "working fluid" means the driven fluid in a pump and the driving fluid in an engine. The working fluid may be in a gaseous state, i.e., compressible, or liquid. In the former case coexistence of two states is possible; "steam" includes condensable vapours in general, and "special vapour" is used when steam is excluded; "reaction type" as applied to non-positive-displacement machines or engines means machines or engines in which pressure/velocity transformation takes place wholly or partly in the rotor. Mmachines or engines with no, or only slight, pressure/velocity transformation in the rotor are called "impulse type". In this subsection: cyclically operating valves, lubricating, gas-flow silencers or exhaust apparatus, or cooling are classified in subclasses Fulltext... Hierarchy... Expanded...F01L, Fulltext... Hierarchy... Expanded...F01M, Fulltext... Hierarchy... Expanded...F01N, Fulltext... Hierarchy... Expanded...F01P irrespective of their stated application, unless their classifying features are peculiar to their application, in which case they are classified only in the relevant subclass of classes Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F01-F04; lubricating, gas-flow silencers or exhaust apparatus, or cooling of machines or engines are classified in subclasses Fulltext... Hierarchy... Expanded...F01M, Fulltext... Hierarchy... Expanded...F01N, Fulltext... Hierarchy... Expanded...F01P except for those peculiar to steam engines which are classified in subclass Fulltext... Hierarchy... Expanded...F01B. For use of this subsection with a good understanding, it is essential to remember, so far as subclasses Fulltext... Hierarchy... Expanded...F01B, Fulltext... Hierarchy... Expanded...F01C, Fulltext... Hierarchy... Expanded...F01D, Fulltext... Hierarchy... Expanded...F03B, and Fulltext... Hierarchy... Expanded...F04B, Fulltext... Hierarchy... Expanded...F04C, Fulltext... Hierarchy... Expanded...F04D, which form its skeleton, are concerned: the principle which resides in their elaboration, the classifying characteristics which they call for, and their complementarity. Principle This concerns essentially the subclasses listed above. Other subclasses, notably those of class Fulltext... Hierarchy... Expanded...F02, which cover better-defined matter, are not considered here. Each subclass covers fundamentally a genus of apparatus (engine or pump) and by extension covers equally "machines" of the same kind. Two different subjects, one having a more general character than the other, are thus covered by the same subclass. Subclasses Fulltext... Hierarchy... Expanded...F01B, Fulltext... Hierarchy... Expanded...F03B, Fulltext... Hierarchy... Expanded...F04B, beyond the two subjects which they cover, have further a character of generality in relation to other subclasses concerning the different species of apparatus in the genus concerned. This generality applies as well for the two subjects dealt with, without these always being in relation to the same subclasses. Thus, subclass Fulltext... Hierarchy... Expanded...F03B, in its part dealing with "machines", should be considered as being the general class relating to subclasses Fulltext... Hierarchy... Expanded...F04B, Fulltext... Hierarchy... Expanded...F04C, and in its part dealing with "engines" as being general in relation to subclass Fulltext... Hierarchy... Expanded...F03C. Characteristics The principal classifying characteristic of the subclass is that of genera of apparatus, of which there are three possible: Machines; engines; pumps. As stated above, "machines" are always associated with one of the other two genera. These main genera are subdivided according to the general principles of operation of the apparatus: Positive displacement; non-positive displacement. The positive displacement apparatus are further subdivided according to the ways of putting into effect the principle of operation, that is, to the kind of apparatus: Simple reciprocating piston; rotary or oscillating piston; other kind. Another classifying characteristic is that of the working fluid, in respect of which three kinds of apparatus are possible, namely: Liquid and elastic fluid; elastic fluid; liquid. Complementarity This resides in association of pairs of the subclasses listed above, according to the characteristics under consideration in respect of kind of apparatus or working fluid. The subclasses concerned with the various principles, characteristics and complementarity are shown in the following table: It is seen from this table that: For the same kind of apparatus in a given genus, the characteristic of "working fluid" associates: Fulltext... Hierarchy... Expanded...F01B and Fulltext... Hierarchy... Expanded...F04B Fulltext... Hierarchy... Expanded...F01C and Fulltext... Hierarchy... Expanded...F04C Machines Fulltext... Hierarchy... Expanded...F01D and Fulltext... Hierarchy... Expanded...F03B Fulltext... Hierarchy... Expanded...F01B and Fulltext... Hierarchy... Expanded...F03C Fulltext... Hierarchy... Expanded...F01C and Fulltext... Hierarchy... Expanded...F03C Engines Fulltext... Hierarchy... Expanded...F01D and Fulltext... Hierarchy... Expanded...F03B For the same kind of working fluid, the "apparatus" characteristic relates subclasses in the same way as considerations of relative generality.

ENGINEERING IN GENERAL

|  | F16 |
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

|  | F16D |
COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES [2]

|  | F16D |
Note(s) Attention is drawn to the following places:
Fulltext... Hierarchy... Expanded...A01D 69/08, Fulltext... Hierarchy... Expanded...A01D 69/10 | Clutches or brakes of harvesting machines for grass or cereals |
Fulltext... Hierarchy... Expanded...A61C 1/18 | Clutches in dental machines for boring or cutting |
Fulltext... Hierarchy... Expanded...B21B 35/14 | Drive couplings for metal-rolling mills |
Fulltext... Hierarchy... Expanded...B30B 15/10 | Brakes specially adapted for presses |
Fulltext... Hierarchy... Expanded...B30B 15/12 | Clutches specially adapted for presses |
Fulltext... Hierarchy... Expanded...B41J 33/52 | Braking devices for ribbon-feed devices in selective printing mechanisms |
Fulltext... Hierarchy... Expanded...B60K 17/00 | Arrangement or location of clutches in vehicles |
Fulltext... Hierarchy... Expanded...B61H | Brakes peculiar to rail vehicles |
Fulltext... Hierarchy... Expanded...B62B 5/04 | Braking mechanisms for hand carts |
Fulltext... Hierarchy... Expanded...B62B 9/08 | Braking mechanisms for children's carriages or perambulators |
Fulltext... Hierarchy... Expanded...B62C 7/00 | Braking mechanisms for animal-drawn vehicles |
Fulltext... Hierarchy... Expanded...B62L | Cycle brakes |
Fulltext... Hierarchy... Expanded...B66D 5/00 | Braking devices for lifting or hoisting gear |
Fulltext... Hierarchy... Expanded...E21B 17/02 | Couplings for drilling rods |
Fulltext... Hierarchy... Expanded...H02P 3/04 | Brakes for electric motors, generators, dynamo-electric converters |
Fulltext... Hierarchy... Expanded...H04L 13/04 | Clutches for apparatus for transmission of coded digital information. |

|  | F16D |
Subclass index
COUPLINGS |
In general | 1/00
Yielding; impulse; slip | 3/00; 5/00; 7/00
With safety members | 9/00
Using a fluid as power-transmitting means | 31/00, 33/00, 39/00
CLUTCHES |
Mechanically actuated |
the members being in direct contact | 11/00, 13/00, 17/00
with separate members | 15/00
others; combinations | 19/00; 21/00
details | 23/00
Non-mechanically actuated |
by fluid | 25/00, 29/00
magnetically actuated | 27/00, 29/00
electrically actuated | 28/00, 29/00
Using a fluid as power-transmitting means | 31/00 - 37/00
Freewheels, automatic | 41/00, 43/00, 45/00
Combinations | 45/00, 47/00
External control of clutches | 48/00
FREEWHEELS OR FREEWHEEL CLUTCHES | 41/00, 45/00
BRAKES |
Characterised by their function | 49/00 - 55/00
Using resistance of liquid or air | 57/00
Automatic | 59/00
With means for making available for use the energy absorbed | 61/00
Others | 63/00
Details | 65/00, 69/00, 71/00
Monitoring working conditions | 66/00
COMBINATIONS OF DIFFERENT DEVICES | 47/00, 67/00

|  | F16D 1/00 - F16D 9/00 |
Couplings (fluid couplings Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 39/00; couplings or joints specially adapted for deep-drilling rods or sucker rods Fulltext... Hierarchy... Expanded...E21B; for transmitting motion through a wall without relatively-moving surfaces Fulltext... Hierarchy... Expanded...F16J 15/50)

|  | F16D 1/00 |
Couplings for rigidly connecting two coaxial shafts or other movable machine elements (attachment of wheels to axles for railway carriages Fulltext... Hierarchy... Expanded...B60B; for attachment of cranks to their shafts Fulltext... Hierarchy... Expanded...F16C 3/10)

|  | F16D 1/02 |
· | for connecting two abutting shafts or the like

|  | F16D 1/027 |
· · | non-disconnectable, e.g. involving gluing, welding or the like [6]

|  | F16D 1/033 |
· · | by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges [6]

|  | F16D 1/04 |
· · | with clamping hub; with hub and longitudinal key

|  | F16D 1/05 |
· · · | with radial clamping due to axial loading of at least one pair of conical surfaces [5]

|  | F16D 1/06 |
· | for attachment of a member on a shaft or on a shaft-end (attachment of marine propellers on shafts Fulltext... Hierarchy... Expanded...B63H 23/34)

|  | F16D 1/064 |
· · | non-disconnectable [6]

|  | F16D 1/068 |
· · · | involving gluing, welding or the like [6]

|  | F16D 1/072 |
· · · | involving plastic deformation (plastic welding Fulltext... Hierarchy... Expanded...F16D 1/068) [6]

|  | F16D 1/076 |
· · | by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges [6]

|  | F16D 1/08 |
· · | with clamping hub; with hub and longitudinal key

|  | F16D 1/09 |
· · · | with radial clamping due to axial loading of at least one pair of conical surfaces [5]

|  | F16D 1/10 |
· | Quick-acting couplings in which the parts are connected by simply bringing them together axially

|  | F16D 1/104 |
· · | having retaining means rotating with the coupling and acting only by friction [6]

|  | F16D 1/108 |
· · | having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling [6]

|  | F16D 1/112 |
· · · | the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints [6]

|  | F16D 1/116 |
· · · | the interengaging parts including a continuous or interrupted circumferential groove in the surface of one of the coupling parts (circlips for retaining hubs on shafts Fulltext... Hierarchy... Expanded...F16B 21/18) [6]

|  | F16D 1/12 |
· | allowing adjustment of the parts about the axis (during motion Fulltext... Hierarchy... Expanded...F16D 3/10)

|  | F16D 3/00 |
Yielding couplings, i.e. with means permitting movement between the connected parts during the drive (couplings disconnectable simply by axial movement Fulltext... Hierarchy... Expanded...F16D 1/10; slip couplings Fulltext... Hierarchy... Expanded...F16D 7/00)

|  | F16D 3/02 |
· | adapted to specific functions (universal joints, see the appropriate groups)

|  | F16D 3/04 |
· · | specially adapted to allow radial displacement, e.g. Oldham couplings

|  | F16D 3/06 |
· · | specially adapted to allow axial displacement

|  | F16D 3/08 |
· · | Couplings for intersecting shafts, provided with intermediate bars bent in an angle corresponding with the angle of intersection

|  | F16D 3/10 |
· · | Couplings with means for varying the angular relationship of two coaxial shafts during motion

|  | F16D 3/12 |
· · | specially adapted for accumulation of energy to absorb shocks or vibration (by making use of fluid elements Fulltext... Hierarchy... Expanded...F16D 3/80)

|  | F16D 3/14 |
· · | combined with a friction coupling for damping vibration or absorbing shock

|  | F16D 3/16 |
· | Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts

|  | F16D 3/18 |
· · | the coupling parts having slidably-interengaging teeth

|  | F16D 3/18 |
Note(s) In this group, the following expression is used with the meaning indicated: "coupling parts" means the driving member and the driven member of the coupling, which are mounted on, and rotate as a unit with, the shafts or their equivalents between which the coupling is placed. An intermediate member interconnecting these parts is regarded as such an equivalent. [4]

|  | F16D 3/19 |
· · · | of resilient material or structure

|  | F16D 3/20 |
· · | one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members (Fulltext... Hierarchy... Expanded...F16D 3/18, Fulltext... Hierarchy... Expanded...F16D 3/24 take precedence) [4,5]

|  | F16D 3/202 |
· · · | one coupling part having radially projecting pins, e.g. tripod joints [5]

|  | F16D 3/205 |
· · · · | the pins extending radially outwardly from the coupling part [5]

|  | F16D 3/207 |
· · · · | the pins extending radially inwardly from the coupling part [5]

|  | F16D 3/22 |
· · · | the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts [3,5]

|  | F16D 3/221 |
· · · · | the rolling members being located in sockets in one of the coupling parts [5]

|  | F16D 3/223 |
· · · · | the rolling members being guided in grooves in both coupling parts, e.g. Rzeppa joints [5]

|  | F16D 3/224 |
· · · · · | the groove centre-lines on each coupling part lying on a sphere [5]

|  | F16D 3/226 |
· · · · · | the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part [5]

|  | F16D 3/227 |
· · · · · · | the joints being telescopic [5]

|  | F16D 3/229 |
· · · · · | Prismatic coupling parts having each groove centre-line lying on planes parallel to the axis of the respective coupling part (Fulltext... Hierarchy... Expanded...F16D 3/224, Fulltext... Hierarchy... Expanded...F16D 3/226 take precedence) [5]

|  | F16D 3/24 |
· · | comprising balls, rollers, or the like, between overlapping driving faces, e.g. cogs, on both coupling parts [3,5]

|  | F16D 3/26 |
· · | Hooke's joints or other joints with an equivalent intermediate member to which each coupling part is pivotally or slideably connected (Fulltext... Hierarchy... Expanded...F16D 3/18, Fulltext... Hierarchy... Expanded...F16D 3/20 take precedence)

|  | F16D 3/27 |
· · · | with two or more intermediate members pivotally or slidably connected together, e.g. tongue-and-slipper type joints [5]

|  | F16D 3/28 |
· · · | in which the interconnecting pivots include elastic members

|  | F16D 3/30 |
· · · | in which the coupling is specially adapted to constant velocity-ratio

|  | F16D 3/32 |
· · · · | by the provision of two intermediate members each having two relatively- perpendicular trunnions or bearings

|  | F16D 3/33 |
· · · · · | with ball or roller bearings

|  | F16D 3/34 |
· · · · | parts being connected by ridges, pins, balls, or the like guided in grooves or between cogs

|  | F16D 3/36 |
· · · | in which each pivot between the coupling parts and the intermediate member comprises a single ball

|  | F16D 3/38 |
· · · | with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another (Fulltext... Hierarchy... Expanded...F16D 3/36 takes precedence)

|  | F16D 3/40 |
· · · · | with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes

|  | F16D 3/41 |
· · · · · | with ball or roller bearings

|  | F16D 3/42 |
· · · · | with ring-shaped intermediate member provided with bearings or inwardly-directed trunnions

|  | F16D 3/43 |
· · · · · | with ball or roller bearings

|  | F16D 3/44 |
· · · | the intermediate member being connected to the coupling parts by ridges, pins, balls, or the like guided in grooves or between cogs

|  | F16D 3/46 |
· · · · | each coupling part embracing grooves or ridges on the intermediate member

|  | F16D 3/48 |
· · | one coupling part having pins arranged parallel to the axis and entering holes in the other coupling part

|  | F16D 3/50 |
· | with the coupling parts connected by one or more intermediate members (Fulltext... Hierarchy... Expanded...F16D 3/16 takes precedence)

|  | F16D 3/52 |
· · | comprising a continuous strip, spring, or the like engaging the coupling parts at a number of places

|  | F16D 3/54 |
· · | Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent

|  | F16D 3/56 |
· · | comprising elastic metal lamellae, elastic rods, or the like, e.g. arranged radially or parallel to the axis, the members being shear-loaded collectively by the total load

|  | F16D 3/58 |
· · · | the intermediate members being made of rubber or like material

|  | F16D 3/60 |
· · | comprising pushing or pulling links attached to both parts (Fulltext... Hierarchy... Expanded...F16D 3/64 takes precedence)

|  | F16D 3/62 |
· · · | the links or their attachments being elastic

|  | F16D 3/64 |
· · | comprising elastic elements arranged between substantially-radial walls of both coupling parts

|  | F16D 3/66 |
· · · | the elements being metallic, e.g. in the form of coils

|  | F16D 3/68 |
· · · | the elements being made of rubber or similar material

|  | F16D 3/70 |
· · | comprising elastic elements arranged in holes in one coupling part and surrounding pins on the other coupling part

|  | F16D 3/72 |
· · | with axially-spaced attachments to the coupling parts (Fulltext... Hierarchy... Expanded...F16D 3/56 takes precedence)

|  | F16D 3/74 |
· · · | the intermediate member or members being made of rubber or other flexible material

|  | F16D 3/76 |
· · | shaped as an elastic ring centered on the axis, surrounding a portion of one coupling part and surrounded by a sleeve of the other coupling part

|  | F16D 3/77 |
· · · | the ring being metallic

|  | F16D 3/78 |
· · | shaped as an elastic disc or flat ring, arranged perpendicular to the axis of the coupling parts, different sets of spots of the disc or ring being attached to each coupling part, e.g. Hardy couplings

|  | F16D 3/79 |
· · · | the disc or ring being metallic

|  | F16D 3/80 |
· | in which a fluid is used (fluid couplings allowing continuous slip Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 35/00)

|  | F16D 3/82 |
· · | with a coupling element in the form of a pneumatic tube (similar clutches Fulltext... Hierarchy... Expanded...F16D 25/04)

|  | F16D 3/84 |
· | Shrouds, e.g. casings, covers; Sealing means specially adapted therefor

|  | F16D 5/00 |
Impulse couplings, i.e. couplings that alternately accelerate and decelerate the driven member

|  | F16D 7/00 |
Slip couplings, e.g. slipping on overload, for absorbing shock (combined with yielding shaft couplings Fulltext... Hierarchy... Expanded...F16D 3/14; fluid slip couplings Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 35/00)

|  | F16D 7/02 |
· | of the friction type (couplings in which overload initiates a decrease of coupling pressure or a disconnection, see the relevant groups for clutches)

|  | F16D 7/04 |
· | of the ratchet type (similar gearings based on repeated accumulation and delivery of inertia-energy Fulltext... Hierarchy... Expanded...F16H 33/08)

|  | F16D 7/06 |
· · | with intermediate balls or rollers

|  | F16D 7/08 |
· · · | moving axially between engagement and disengagement [5]

|  | F16D 7/10 |
· · · | moving radially between engagement and disengagement [5]

|  | F16D 9/00 |
Couplings with safety member for disconnecting

|  | F16D 9/02 |
· | by thermal means, e.g. melting member [6]

|  | F16D 9/04 |
· | by tensile breaking [6]

|  | F16D 9/06 |
· | by breaking due to shear stress [6]

|  | F16D 9/08 |
· · | over a single area encircling the axis of rotation, e.g. shear necks on shafts (Fulltext... Hierarchy... Expanded...F16D 9/10 takes precedence) [6]

|  | F16D 9/10 |
· · | having a part movable after disconnection so as to provide reconnection, e.g. advanceable shear pins [6]

|  | F16D 11/00 - F16D 23/00 |
Clutches with mechanically-actuated clutching members (automatic clutches Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 41/00-F16D 45/00; external control Fulltext... Hierarchy... Expanded...F16D 48/00)

|  | F16D 11/00 |
Clutches in which the members have interengaging parts (arrangements for synchronisation Fulltext... Hierarchy... Expanded...F16D 23/02)

|  | F16D 11/02 |
· | disengaged by a contact of a part mounted on the clutch with a stationarily-mounted member

|  | F16D 11/04 |
· · | with clutching members movable only axially

|  | F16D 11/06 |
· · | with clutching members movable otherwise than only axially, e.g. rotatable keys

|  | F16D 11/08 |
· | actuated by moving a non-rotating part axially (actuating-mechanisms in the relevant groups)

|  | F16D 11/10 |
· · | with clutching members movable only axially

|  | F16D 11/12 |
· · | with clutching members movable otherwise than only axially

|  | F16D 11/14 |
· | with clutching members movable only axially (Fulltext... Hierarchy... Expanded...F16D 11/02, Fulltext... Hierarchy... Expanded...F16D 11/08 take precedence) [5]

|  | F16D 11/16 |
· | with clutching members movable otherwise than only axially (Fulltext... Hierarchy... Expanded...F16D 11/02, Fulltext... Hierarchy... Expanded...F16D 11/08 take precedence) [5]

|  | F16D 13/00 |
Friction clutches (arrangements for synchronisation Fulltext... Hierarchy... Expanded...F16D 23/02)

|  | F16D 13/02 |
· | disengaged by the contact of a part mounted on the clutch with a stationarily-mounted member

|  | F16D 13/04 |
· | with means for actuating or keeping engaged by a force derived at least partially from one of the shafts to be connected (automatic clutches Fulltext... Hierarchy... Expanded...F16D 43/00)

|  | F16D 13/06 |
· · | with clutching members movable otherwise than only axially (Fulltext... Hierarchy... Expanded...F16D 13/08, Fulltext... Hierarchy... Expanded...F16D 13/12 take precedence)

|  | F16D 13/08 |
· | with a helical band or equivalent member, which may be built-up from linked parts, with more than one turn embracing a drum or the like, with or without an additional clutch actuating the end of the band (Fulltext... Hierarchy... Expanded...F16D 13/02 takes precedence; similar freewheel clutches Fulltext... Hierarchy... Expanded...F16D 41/20; similar brakes Fulltext... Hierarchy... Expanded...F16D 49/02)

|  | F16D 13/10 |
· | with clutching members co-operating with the periphery of a drum, a wheel-rim, or the like (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 13/02-F16D 13/08 take precedence; similar brakes Fulltext... Hierarchy... Expanded...F16D 49/00)

|  | F16D 13/12 |
· | with an expansible band or coil co-operating with the inner surface of a drum or the like (Fulltext... Hierarchy... Expanded...F16D 13/02 takes precedence; similar brakes Fulltext... Hierarchy... Expanded...F16D 51/02)

|  | F16D 13/14 |
· | with outwardly-movable clutching members co-operating with the inner surface of a drum or the like (Fulltext... Hierarchy... Expanded...F16D 13/02, Fulltext... Hierarchy... Expanded...F16D 13/06, Fulltext... Hierarchy... Expanded...F16D 13/12 take precedence; similar brakes Fulltext... Hierarchy... Expanded...F16D 51/00)

|  | F16D 13/16 |
· · | shaped as radially-movable segments

|  | F16D 13/18 |
· · | shaped as linked or separately-pivoted segments

|  | F16D 13/20 |
· | with clutching members co-operating with both the periphery and the inner surface of a drum or wheel-rim (similar brakes Fulltext... Hierarchy... Expanded...F16D 53/00)

|  | F16D 13/22 |
· | with axially-movable clutching members (similar brakes Fulltext... Hierarchy... Expanded...F16D 55/00)

|  | F16D 13/24 |
· · | with conical friction surfaces

|  | F16D 13/26 |
· · · | in which the or each axially-movable member is pressed exclusively against an axially-located member

|  | F16D 13/28 |
· · · · | with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

|  | F16D 13/30 |
· · · · · | in which the clutching pressure is produced by springs only

|  | F16D 13/32 |
· · · | in which two or more axially-movable members are pressed from one side towards an axially-located member

|  | F16D 13/34 |
· · · · | with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

|  | F16D 13/36 |
· · · · · | in which the clutching pressure is produced by springs only

|  | F16D 13/38 |
· · | with flat clutching surfaces, e.g. discs

|  | F16D 13/40 |
· · · | in which the or each axially-movable member is pressed exclusively against an axially-located member

|  | F16D 13/42 |
· · · · | with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

|  | F16D 13/44 |
· · · · · | in which the clutching pressure is produced by springs only

|  | F16D 13/46 |
· · · | in which two axially-movable members, of which one is attached to the driving side and the other to the driven side, are pressed from one side towards an axially-located member

|  | F16D 13/48 |
· · · · | with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

|  | F16D 13/50 |
· · · · · | in which the clutching pressure is produced by springs only

|  | F16D 13/52 |
· · · | Clutches with multiple lamellae

|  | F16D 13/54 |
· · · · | with means for increasing the effective force between the actuating sleeve or equivalent member and the pressure member

|  | F16D 13/56 |
· · · · · | in which the clutching pressure is produced by springs only

|  | F16D 13/58 |
· | Details

|  | F16D 13/60 |
· · | Clutching elements (friction lining or attachment thereof Fulltext... Hierarchy... Expanded...F16D 69/00)

|  | F16D 13/62 |
· · · | Clutch-bands; Clutch-shoes; Clutch-drums (brake-bands, brake-shoes, brake-drums Fulltext... Hierarchy... Expanded...F16D 65/00)

|  | F16D 13/64 |
· · · | Clutch-plates; Clutch-lamellae (brake-plates, brake-lamellae Fulltext... Hierarchy... Expanded...F16D 65/12)

|  | F16D 13/66 |
· · · · | of conical shape

|  | F16D 13/68 |
· · · · | Attachments of plates or lamellae to their supports

|  | F16D 13/69 |
· · · · | Arrangements for spreading lamellae in released state

|  | F16D 13/70 |
· · | Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members

|  | F16D 13/71 |
· · · | in which the clutching pressure is produced by springs only

|  | F16D 13/72 |
· · | Features relating to cooling

|  | F16D 13/74 |
· · | Features relating to lubrication

|  | F16D 13/75 |
· · | Features relating to adjustment, e.g. slack adjusters

|  | F16D 13/76 |
· | specially adapted to incorporate with other transmission parts, i.e. at least one of the clutch parts also having another function, e.g. being the disc of a pulley

|  | F16D 15/00 |
Clutches with wedging balls or rollers or with other wedgeable separate clutching members (freewheels, freewheel clutches Fulltext... Hierarchy... Expanded...F16D 41/00)

|  | F16D 17/00 |
Clutches in which the drive is transmitted solely by virtue of the eccentricity of the contacting surfaces of clutch members which fit one around the other

|  | F16D 19/00 |
Clutches with mechanically-actuated clutching members not otherwise provided for

|  | F16D 21/00 |
Systems comprising a plurality of mechanically-actuated clutches (for synchronisation Fulltext... Hierarchy... Expanded...F16D 23/04)

|  | F16D 21/02 |
· | for interconnecting three or more shafts or other transmission members in different ways (in endless-track vehicles Fulltext... Hierarchy... Expanded...B62D)

|  | F16D 21/04 |
· · | with a shaft carrying a number of rotatable transmission members, e.g. gears, each of which can be connected to the shaft by a clutching member or members between the shaft and the hub of the transmission member

|  | F16D 21/06 |
· · | at least two driving shafts or two driven shafts being concentric

|  | F16D 21/08 |
· | Serially-arranged clutches interconnecting two shafts only when all the clutches are engaged (Fulltext... Hierarchy... Expanded...F16D 13/08, Fulltext... Hierarchy... Expanded...F16D 13/12 take precedence)

|  | F16D 23/00 |
Details of mechanically-actuated clutches not specific for one distinct type

|  | F16D 23/02 |
· | Arrangements for synchronisation, also for power-operated clutches (shape or mounting of interengaging parts of clutch members to facilitate engagement Fulltext... Hierarchy... Expanded...F16D 11/08)

|  | F16D 23/04 |
· · | with an additional friction cluch

|  | F16D 23/06 |
· · · | and a blocking mechanism preventing the engagement of the main clutch prior to synchronisation

|  | F16D 23/08 |
· · | with a blocking mechanism that only releases the clutching member on synchronisation (in combination with an additional friction clutch Fulltext... Hierarchy... Expanded...F16D 23/06)

|  | F16D 23/10 |
· · | automatically producing the engagement of the clutch when the clutch members are moving at the same speed; Indicating synchronisation

|  | F16D 23/12 |
· | Mechanical clutch-actuating mechanisms arranged outside the clutch as such (specific for combined clutches Fulltext... Hierarchy... Expanded...F16D 21/00; mechanisms specific for synchronisation Fulltext... Hierarchy... Expanded...F16D 23/02)

|  | F16D 23/14 |
· · | Clutch-actuating sleeves; Actuating members directly connected to clutch-actuating sleeves

|  | F16D 25/00 - F16D 29/00 |
Clutches actuated non-mechanically (arrangements for synchronisation Fulltext... Hierarchy... Expanded...F16D 23/02; fluid clutches Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 39/00; automatic clutches Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 41/00-F16D 45/00; external control Fulltext... Hierarchy... Expanded...F16D 48/00; dynamo-electric clutches Fulltext... Hierarchy... Expanded...H02K 49/00; clutches using electrostatic attraction Fulltext... Hierarchy... Expanded...H02N 13/00) [3]

|  | F16D 25/00 |
Fluid-actuated clutches

|  | F16D 25/02 |
· | with means for actuating or keeping engaged by a force derived at least partially from one of the shafts to be connected

|  | F16D 25/04 |
· | in which the fluid actuates an elastic clutching member, e.g. a diaphragm or a pneumatic tube (Fulltext... Hierarchy... Expanded...F16D 25/02 takes precedence; coupling using a pneumatic tube Fulltext... Hierarchy... Expanded...F16D 3/82)

|  | F16D 25/06 |
· | in which the fluid actuates a piston incorporated in the clutch (Fulltext... Hierarchy... Expanded...F16D 25/02 takes precedence)

|  | F16D 25/061 |
· · | the clutch having interengaging clutch members

|  | F16D 25/062 |
· · | the clutch having friction surfaces

|  | F16D 25/063 |
· · · | with clutch members exclusively moving axially

|  | F16D 25/0632 |
· · · · | with conical friction surfaces, e.g. cone clutches [5]

|  | F16D 25/0635 |
· · · · | with flat friction surfaces, e.g. discs [5]

|  | F16D 25/0638 |
· · · · · | with more than two discs, e.g. multiple lamellae [5]

|  | F16D 25/064 |
· · · · | the friction surface being grooved

|  | F16D 25/065 |
· · · | with clutching members having a movement which has at least a radial component

|  | F16D 25/08 |
· | with fluid-actuated member not rotating with a clutching member (Fulltext... Hierarchy... Expanded...F16D 25/02 takes precedence)

|  | F16D 25/10 |
· | Clutch systems with a plurality of fluid-actuated clutches (arrangements or mounting of clutches in vehicles Fulltext... Hierarchy... Expanded...B60K 17/00)

|  | F16D 25/11 |
( transferred to Fulltext... Hierarchy... Expanded...F16D 48/02 )

|  | F16D 25/12 |
· | Details not specific to one of the before-mentioned types

|  | F16D 25/14 |
( transferred to Fulltext... Hierarchy... Expanded...F16D 48/02 )

|  | F16D 27/00 |
Magnetically-actuated clutches; Control or electric circuits therefor (clutches with magnetisable particles Fulltext... Hierarchy... Expanded...F16D 37/02; circuits for external control Fulltext... Hierarchy... Expanded...F16D 48/00) [2]

|  | F16D 27/01 |
· | with permanent magnets

|  | F16D 27/02 |
· | with electromagnets incorporated in the clutch, i.e. with collecting rings

|  | F16D 27/04 |
· · | with axially-movable friction surfaces

|  | F16D 27/06 |
· · · | with friction surfaces arranged within the flux

|  | F16D 27/07 |
· · · · | Constructional features of clutch-plates or clutch-lamellae

|  | F16D 27/08 |
· · · | with friction surfaces arranged externally to the flux

|  | F16D 27/09 |
· · | and with interengaging jaws or gear-teeth

|  | F16D 27/10 |
· | with an electromagnet not rotating with a clutching member, i.e. without collecting rings

|  | F16D 27/102 |
· · | with radially movable clutching members (Fulltext... Hierarchy... Expanded...F16D 27/105 takes precedence) [5]

|  | F16D 27/105 |
· · | with a helical band or equivalent member co-operating with a cylindrical coupling surface [5]

|  | F16D 27/108 |
· · | with axially movable clutching members [5]

|  | F16D 27/11 |
· · · | with conical friction surfaces, e.g. cone clutches [5]

|  | F16D 27/112 |
· · · | with flat friction surfaces, e.g. discs [5]

|  | F16D 27/115 |
· · · · | with more than two discs, e.g. multiple lamellae [5]

|  | F16D 27/118 |
· · | with interengaging jaws or gear teeth [5]

|  | F16D 27/12 |
· | Clutch systems with a plurality of electromagnetically-actuated clutches

|  | F16D 27/14 |
· | Details

|  | F16D 27/16 |
( transferred to Fulltext... Hierarchy... Expanded...F16D 48/06 )

|  | F16D 28/00 |
Electrically-actuated clutches (clutches actuated directly by means of an electromagnet Fulltext... Hierarchy... Expanded...F16D 27/00) [6]

|  | F16D 29/00 |
Clutches or systems of clutches involving both fluid and magnetic or both fluid and electric actuation [6]

|  | F16D 31/00 - F16D 39/00 |
Couplings or clutches with a fluid or semifluid as power-transmitting means (fluid gearing Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16H 39/00-F16H 49/00)

|  | F16D 31/00 |
Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution

|  | F16D 31/02 |
· | using pumps with pistons or plungers working in cylinders

|  | F16D 31/04 |
· | using gear-pumps

|  | F16D 31/06 |
· | using pumps of types differing from those before-mentioned

|  | F16D 31/08 |
· | Control of slip

|  | F16D 33/00 |
Rotary fluid couplings or clutches of the hydrokinetic type

|  | F16D 33/02 |
· | controlled by changing the flow of the liquid in the working circuit, while maintaining a completely filled working circuit

|  | F16D 33/04 |
· · | by altering the position of blades

|  | F16D 33/06 |
· | controlled by changing the amount of liquid in the working circuit

|  | F16D 33/08 |
· · | by devices incorporated in the fluid coupling, with or without remote control

|  | F16D 33/10 |
· · · | consisting of controllable supply and discharge openings

|  | F16D 33/12 |
· · · · | controlled automatically by self-actuated valves

|  | F16D 33/14 |
· · · | consisting of shiftable or adjustable scoops

|  | F16D 33/16 |
· · | by means arranged externally of the coupling or clutch (mounting of such means in vehicles Fulltext... Hierarchy... Expanded...B60K 23/00, e.g. Fulltext... Hierarchy... Expanded...B60K 23/02)

|  | F16D 33/18 |
· | Details (applicable also to fluid gearing Fulltext... Hierarchy... Expanded...F16H 41/24)

|  | F16D 33/20 |
· · | Shape of wheels, blades, or channels with respect to function

|  | F16D 35/00 |
Fluid clutches in which the clutching is predominantly obtained by fluid adhesion (Fulltext... Hierarchy... Expanded...F16D 37/00 takes precedence)

|  | F16D 35/02 |
· | with rotary working chambers and rotary reservoirs, e.g. in one coupling part [5]

|  | F16D 37/00 |
Clutches in which the drive is transmitted through a medium consisting of small particles, e.g. centrifugally speed-responsive

|  | F16D 37/02 |
· | the particles being magnetisable

|  | F16D 39/00 |
Combinations of couplings according to two or more of the groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 37/00

|  | F16D 41/00 - F16D 45/00 |
Freewheels or freewheel clutches; Automatic clutches (Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 39/00 take precedence)

|  | F16D 41/00 |
Freewheels or freewheel clutches (cycle brakes controlled by back-pedalling Fulltext... Hierarchy... Expanded...B62L 5/00)

|  | F16D 41/02 |
· | disengaged by contact of a part of or on the freewheel or freewheel clutch with a stationarily-mounted member

|  | F16D 41/04 |
· | combined with a clutch for locking the driving and driven members (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/06 |
· | with intermediate wedging coupling members between an inner and an outer surface (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/061 |
· · | the intermediate members wedging by movement having an axial component [6]

|  | F16D 41/063 |
· · | the intermediate members wedging by moving along the inner and the outer surface without pivoting or rolling, e.g. sliding wedges (Fulltext... Hierarchy... Expanded...F16D 41/061 takes precedence) [6]

|  | F16D 41/064 |
· · | the intermediate members wedging by rolling and having a circular cross-section, e.g. balls (Fulltext... Hierarchy... Expanded...F16D 41/061 takes precedence) [6]

|  | F16D 41/066 |
· · · | all members having the same size and only one of the two surfaces being cylindrical [6]

|  | F16D 41/067 |
· · · · | and the members being distributed by a separate cage encircling the axis of rotation [6]

|  | F16D 41/069 |
· · | the intermediate members wedging by pivoting or rocking, e.g. sprags (Fulltext... Hierarchy... Expanded...F16D 41/061 takes precedence) [6]

|  | F16D 41/07 |
· · · | between two cylindrical surfaces [6]

|  | F16D 41/08 |
· · | with provision for altering the freewheeling action

|  | F16D 41/10 |
· · · | with self-actuated reversing

|  | F16D 41/12 |
· | with hinged pawl co-operating with teeth, cogs, or the like (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/14 |
· · | the effective stroke of the pawl being adjustable

|  | F16D 41/16 |
· · | the action being reversible

|  | F16D 41/18 |
· | with non-hinged detent (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/20 |
· | with expandable or contractable clamping ring or band (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/22 |
· | with clutching ring or disc axially shifted as a result of lost motion between actuating members (Fulltext... Hierarchy... Expanded...F16D 41/02, Fulltext... Hierarchy... Expanded...F16D 41/24 take precedence)

|  | F16D 41/24 |
· | specially adapted for cycles

|  | F16D 41/26 |
· · | with provision for altering the action

|  | F16D 41/28 |
· · | with intermediate wedging coupling members

|  | F16D 41/30 |
· · | with hinged pawl co-operating with teeth, cogs, or the like

|  | F16D 41/32 |
· · | with non-hinged detent

|  | F16D 41/34 |
· · | with expandable or contractable clamping ring or band

|  | F16D 41/36 |
· · | with clutching ring or disc axially shifted as a result of lost motion between actuating members

|  | F16D 43/00 |
Internally controlled automatic clutches (varying the relationship between two coaxial shafts Fulltext... Hierarchy... Expanded...F16D 3/10; freewheels, freewheel clutches Fulltext... Hierarchy... Expanded...F16D 41/00; external control of clutches Fulltext... Hierarchy... Expanded...F16D 48/00) [6]

|  | F16D 43/02 |
· | actuated entirely mechanically

|  | F16D 43/04 |
· · | controlled by angular speed (Fulltext... Hierarchy... Expanded...F16D 43/24 takes precedence; clutches in which the drive is transmitted through a medium consisting of small particles Fulltext... Hierarchy... Expanded...F16D 37/00)

|  | F16D 43/06 |
· · · | with centrifugal masses actuating axially a movable pressure ring or the like

|  | F16D 43/08 |
· · · · | the pressure ring actuating friction plates, cones, or similar axially-movable friction surfaces

|  | F16D 43/09 |
· · · · · | in which the carrier of the centrifugal masses can be stopped

|  | F16D 43/10 |
· · · · · | the centrifugal masses acting directly on the pressure ring, no other actuating mechanism for the pressure ring being provided

|  | F16D 43/12 |
· · · · · | the centrifugal masses acting on, or forming a part of, an actuating mechanism by which the pressure ring can also be actuated independently of the masses

|  | F16D 43/14 |
· · · | with centrifugal masses actuating the clutching members directly in a direction which has at least a radial component; with centrifugal masses themselves being the clutching members

|  | F16D 43/16 |
· · · · | with clutching members having interengaging parts

|  | F16D 43/18 |
· · · · | with friction clutching members

|  | F16D 43/20 |
· · | controlled by torque, e.g. overload-release clutches, slip-clutches with means by which torque varies the clutching pressure

|  | F16D 43/202 |
· · · | of the ratchet type (slip couplings of the ratchet type Fulltext... Hierarchy... Expanded...F16D 7/04) [5]

|  | F16D 43/204 |
· · · · | with intermediate balls or rollers [5]

|  | F16D 43/206 |
· · · · · | moving axially between engagement and disengagement [5]

|  | F16D 43/208 |
· · · · · | moving radially between engagement and disengagement [5]

|  | F16D 43/21 |
· · · | with friction members

|  | F16D 43/22 |
· · | controlled by both speed and torque

|  | F16D 43/24 |
· · | controlled by acceleration or deceleration of angular speed

|  | F16D 43/25 |
· · | controlled by thermo-responsive elements

|  | F16D 43/26 |
· · | acting at definite angular position or disengaging after a definite number of rotations (actuating by means of stationary abutment Fulltext... Hierarchy... Expanded...F16D 11/02, Fulltext... Hierarchy... Expanded...F16D 13/02, Fulltext... Hierarchy... Expanded...F16D 15/00; control of change-speed or reversing-gearings conveying rotary motion Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16H 59/00-F16H 63/00)

|  | F16D 43/28 |
· | actuated by fluid pressure

|  | F16D 43/284 |
· · | controlled by angular speed

|  | F16D 43/286 |
· · | controlled by torque

|  | F16D 43/30 |
· | Systems of a plurality of automatic clutches

|  | F16D 45/00 |
Freewheels or freewheel clutches combined with automatic clutches

|  | F16D 47/00 |
Systems of clutches, or clutches and couplings, comprising devices of types grouped under at least two of the following sets of groups: Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 1/00-F16D 9/00; Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 11/00-F16D 23/00; Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 25/00-F16D 29/00; Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 31/00-F16D 39/00; Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 41/00-F16D 45/00

|  | F16D 47/02 |
· | of which at least one is a coupling (elastic attachment of clutch parts, see the relevant groups for clutches)

|  | F16D 47/04 |
· | of which at least one is a freewheel (Fulltext... Hierarchy... Expanded...F16D 47/02, Fulltext... Hierarchy... Expanded...F16D 47/06 take precedence; freewheels combined with a clutch to lock the driving and driven members of the freewheel Fulltext... Hierarchy... Expanded...F16D 41/04, Fulltext... Hierarchy... Expanded...F16D 41/26)

|  | F16D 47/06 |
· | of which at least one is a clutch with a fluid or a semifluid as power-transmitting means

|  | F16D 48/00 - F16D 48/00 |
Note(s) In groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 48/00-F16D 48/12, it is desirable to add the indexing codes of groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 101/00-F16D 113/00. The indexing codes should be unlinked. [6]

|  | F16D 48/00 |
External control of clutches [6]

|  | F16D 48/00 |
Note(s) This group does not cover actuation, which is covered by groups Fulltext... Hierarchy... Expanded...Fulltext... Hierarchy... Expanded...F16D 11/00-F16D 29/00. [6]

|  | F16D 48/02 |
· | Control by fluid pressure [6]

|  | F16D 48/04 |
· · | providing power assistance [6]

|  | F16D 48/06 |
· | Control by electric or electronic means, e.g. of fluid pressure [6]

|  | F16D 48/08 |
· · | Regulating clutch take-up on starting [6]

|  | F16D 48/10 |
· · | Preventing unintentional or unsafe engagement [6]

|  | F16D 48/12 |
· · | Control of torque transfer between driven axles [6]

|  | F16D 49/00 - F16D 66/00 |
Brakes (electrodynamic brake systems for vehicles in general Fulltext... Hierarchy... Expanded...B60L; dynamo-electric brakes Fulltext... Hierarchy... Expanded...H02K)

|  | F16D 49/00 |
Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/10)

|  | F16D 49/02 |
· | shaped as a helical band or coil with more than one turn, with or without intensification of the braking force by the tension of the band or contracting member (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/08)

|  | F16D 49/04 |
· · | mechanically actuated

|  | F16D 49/06 |
· · | fluid actuated

|  | F16D 49/08 |
· | shaped as an encircling band extending over approximately 360°

|  | F16D 49/10 |
· · | mechanically actuated (self-tightening Fulltext... Hierarchy... Expanded...F16D 49/20)

|  | F16D 49/12 |
· · | fluid actuated

|  | F16D 49/14 |
· | shaped as a fluid-filled flexible member actuated by variation of the fluid pressure

|  | F16D 49/16 |
· | Brakes with two brake-blocks (self-tightening Fulltext... Hierarchy... Expanded...F16D 49/20)

|  | F16D 49/18 |
· | Brakes with three or more brake-blocks (self-tightening Fulltext... Hierarchy... Expanded...F16D 49/20)

|  | F16D 49/20 |
· | Self-tightening brakes (with helical band or coil with more than one turn Fulltext... Hierarchy... Expanded...F16D 49/02)

|  | F16D 49/22 |
· · | with an auxiliary friction member initiating or increasing the action of the brake

|  | F16D 51/00 |
Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/14)

|  | F16D 51/02 |
· | shaped as one or more circumferential bands (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/12)

|  | F16D 51/04 |
· · | mechanically actuated

|  | F16D 51/06 |
· · | fluid actuated

|  | F16D 51/08 |
· | shaped as an expansible fluid-filled flexible member

|  | F16D 51/10 |
· | shaped as exclusively radially-movable brake-shoes

|  | F16D 51/12 |
· · | mechanically actuated

|  | F16D 51/14 |
· · | fluid actuated

|  | F16D 51/16 |
· | shaped as brake-shoes pivoted on a fixed or nearly-fixed axis (self-tightening Fulltext... Hierarchy... Expanded...F16D 51/46)

|  | F16D 51/18 |
· · | with two brake-shoes

|  | F16D 51/20 |
· · · | extending in opposite directions from their pivots

|  | F16D 51/22 |
· · · · | mechanically actuated

|  | F16D 51/24 |
· · · · | fluid actuated

|  | F16D 51/26 |
· · · | both extending in the same direction from their pivots

|  | F16D 51/28 |
· · · · | mechanically actuated

|  | F16D 51/30 |
· · · · | fluid actuated

|  | F16D 51/32 |
· · | with three or more brake-shoes

|  | F16D 51/34 |
· · · | extending in opposite directions from their pivots

|  | F16D 51/36 |
· · · · | mechanically actuated

|  | F16D 51/38 |
· · · · | fluid actuated

|  | F16D 51/40 |
· · · | all extending in the same direction from their pivots

|  | F16D 51/42 |
· · · · | mechanically actuated

|  | F16D 51/44 |
· · · · | fluid actuated

|  | F16D 51/46 |
· | Self-tightening brakes with pivoted brake-shoes

|  | F16D 51/48 |
· · | with two linked or directly-interacting brake-shoes

|  | F16D 51/50 |
· · · | mechanically actuated

|  | F16D 51/52 |
· · · | fluid actuated

|  | F16D 51/54 |
· · | with three or more brake-shoes, at least two of them being linked or directly interacting

|  | F16D 51/56 |
· · · | mechanically actuated

|  | F16D 51/58 |
· · · | fluid actuated

|  | F16D 51/60 |
· · | with wedging action of a brake-shoe, e.g. the shoe entering as a wedge between the brake-drum and a stationary part

|  | F16D 51/62 |
· · · | mechanically actuated

|  | F16D 51/64 |
· · · | fluid actuated

|  | F16D 51/66 |
· · | an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe

|  | F16D 51/68 |
· · · | mechanically actuated

|  | F16D 51/70 |
· · · | fluid actuated

|  | F16D 53/00 |
Brakes with braking members co-operating with both the periphery and the inner surface of a drum, wheel-rim, or the like (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/20)

|  | F16D 55/00 |
Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes (similar clutches Fulltext... Hierarchy... Expanded...F16D 13/38)

|  | F16D 55/02 |
· | with axially-movable discs or pads pressed against axially-located rotating members

|  | F16D 55/04 |
· · | by moving discs or pads away from one another against radial walls of drums or cylinders

|  | F16D 55/06 |
· · · | without self-tightening action

|  | F16D 55/08 |
· · · · | Mechanically-actuated brakes

|  | F16D 55/10 |
· · · · | Brakes actuated by a fluid-pressure device arranged in or on the brake

|  | F16D 55/12 |
· · · · · | comprising an expansible fluid-filled flexible member coaxial with the brake

|  | F16D 55/14 |
· · · | with self-tightening action, e.g. by means of coacting helical surfaces or balls and inclined surfaces

|  | F16D 55/15 |
· · · · | initiated by means of brake-bands or brake-shoes

|  | F16D 55/16 |
· · · · | Mechanically-actuated brakes

|  | F16D 55/18 |
· · · · | Brakes actuated by a fluid-pressure device arranged in or on the brake

|  | F16D 55/20 |
· · · · · | comprising an expansible fluid-filled flexible member coaxial with the brake

|  | F16D 55/22 |
· · | by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads [5]

|  | F16D 55/224 |
· · · | with a common actuating member for the braking members [5]

|  | F16D 55/225 |
· · · · | the braking members being brake pads [5]

|  | F16D 55/2255 |
· · · · · | in which the common actuating member is pivoted [5]

|  | F16D 55/226 |
· · · · · | in which the common actuating member is moved axially [5]

|  | F16D 55/2265 |
· · · · · · | the axial movement being guided by one or more pins [5]

|  | F16D 55/227 |
· · · · · · · | by two pins [5]

|  | F16D 55/228 |
· · · | with a separate actuating member for each side

|  | F16D 55/24 |
· | with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member

|  | F16D 55/26 |
· · | without self-tightening action

|  | F16D 55/28 |
· · · | Brakes with only one rotating disc

|  | F16D 55/30 |
· · · · | mechanically actuated

|  | F16D 55/31 |
· · · · · | by means of an intermediate leverage

|  | F16D 55/32 |
· · · · | actuated by a fluid-pressure device arranged in or on the brake

|  | F16D 55/33 |
· · · · · | by means of an intermediate leverage

|  | F16D 55/34 |
· · · · · | comprising an expansible fluid-filled flexible member coaxial with the brake

|  | F16D 55/36 |
· · · | Brakes with a plurality of rotating discs all lying side by side

|  | F16D 55/38 |
· · · · | mechanically actuated

|  | F16D 55/39 |
· · · · · | by means of an intermediate leverage

|  | F16D 55/40 |
· · · · | actuated by a fluid-pressure device arranged in or on the brake

|  | F16D 55/41 |
· · · · · | by means of an intermediate leverage

|  | F16D 55/42 |
· · · · · | comprising an expansible fluid-filled flexible member coaxial with the brake

|  | F16D 55/44 |
· · · | with the rotating part consisting of both central plates and ring-shaped plates arranged concentrically around the central plates

|  | F16D 55/46 |
· · | with self-tightening action

|  | F16D 55/48 |
· · · | with discs or pads having a small free angular travel relative to their support, which produces the self-tightening action

|  | F16D 55/50 |
· · · | with auxiliary friction members, which may be of different type, producing the self-tightening action

|  | F16D 57/00 |
Liquid-resistance brakes; Air-resistance brakes

|  | F16D 57/02 |
· | with blades or like members braked by the fluid

|  | F16D 57/04 |
· | with blades causing a directed flow, e.g. Föttinger type

|  | F16D 57/06 |
· | comprising a pump circulating fluid, braking being effected by throttling of the circulation

|  | F16D 59/00 |
Self-acting brakes, e.g. coming into operation at a predetermined speed

|  | F16D 59/02 |
· | spring-loaded and adapted to be released by mechanical, fluid, or electromagnetic means

|  | F16D 61/00 |
Brakes with means for making the energy absorbed available for use (Fulltext... Hierarchy... Expanded...F16D 57/00 takes precedence)

|  | F16D 63/00 |
Brakes not otherwise provided for; Brakes combining a plurality of the before-mentioned types (brakes with auxiliary members for self-tightening Fulltext... Hierarchy... Expanded...F16D 49/22, Fulltext... Hierarchy... Expanded...F16D 51/66, Fulltext... Hierarchy... Expanded...F16D 55/50)

|  | F16D 65/00 |
Parts or details (similar members for clutches Fulltext... Hierarchy... Expanded...F16D 13/58)

|  | F16D 65/02 |
· | Braking members; Mounting thereof (friction linings or attachment thereof Fulltext... Hierarchy... Expanded...F16D 69/00)

|  | F16D 65/04 |
· · | Bands, shoes or pads; Pivots or supporting members therefor [5]

|  | F16D 65/06 |
· · · | for externally-engaging brakes

|  | F16D 65/08 |
· · · | for internally-engaging brakes

|  | F16D 65/09 |
· · · · | Pivots or supporting members therefor [2]

|  | F16D 65/092 |
· · · | for axially-engaging brakes, e.g. disc brakes [5]

|  | F16D 65/095 |
· · · · | Pivots or supporting members therefor [5]

|  | F16D 65/097 |
· · · · · | Resilient means interposed between pads and supporting members [5]

|  | F16D 65/10 |
· · | Drums for externally- or internally-engaging brakes

|  | F16D 65/12 |
· · | Discs; Drums for disc brakes

|  | F16D 65/14 |
· | Actuating mechanisms for brakes; Means for initiating operation at a predetermined position (brake control systems, parts thereof Fulltext... Hierarchy... Expanded...B60T)

|  | F16D 65/16 |
· · | arranged in or on the brake

|  | F16D 65/18 |
· · · | adapted for drawing members together

|  | F16D 65/20 |
· · · · | comprising a fluid-pressure device

|  | F16D 65/21 |
· · · · | acting by electric or magnetic means [2]

|  | F16D 65/22 |
· · · | adapted for pressing members apart

|  | F16D 65/24 |
· · · · | comprising a fluid-pressure device

|  | F16D 65/26 |
· · · · · | in the form of a fluid-filled flexible member

|  | F16D 65/27 |
· · · · | acting by electric or magnetic means [2]

|  | F16D 65/28 |
· · | arranged apart from the brake

|  | F16D 65/30 |
· · · | acting mechanically

|  | F16D 65/32 |
· · · | acting by fluid means

|  | F16D 65/34 |
· · · | acting by electric or magnetic means (holding devices using electrostatic attraction Fulltext... Hierarchy... Expanded...H02N 13/00) [2]

|  | F16D 65/35 |
· · · · | including a permanent magnet [3]

|  | F16D 65/36 |
· · · | acting by both fluid and electric means

|  | F16D 65/38 |
· | Slack adjusters

|  | F16D 65/40 |
· · | mechanical

|  | F16D 65/42 |
· · · | non-automatic

|  | F16D 65/44 |
· · · · | by means of direct linear adjustment (Fulltext... Hierarchy... Expanded...F16D 65/46, Fulltext... Hierarchy... Expanded...F16D 65/48 take precedence)

|  | F16D 65/46 |
· · · · | with screw-thread and nut

|  | F16D 65/48 |
· · · · | with eccentric or helical body

|  | F16D 65/50 |
· · · · | for angular adjustment of two concentric parts of the brake control system

|  | F16D 65/52 |
· · · | self-acting in one direction for adjusting excessive play

|  | F16D 65/54 |
· · · · | by means of direct linear adjustment (Fulltext... Hierarchy... Expanded...F16D 65/56, Fulltext... Hierarchy... Expanded...F16D 65/58 take precedence)

|  | F16D 65/56 |
· · · · | with screw-thread and nut

|  | F16D 65/58 |
· · · · | with eccentric or helical body

|  | F16D 65/60 |
· · · · | for angular adjustment of two concentric parts of the brake control system

|  | F16D 65/62 |
· · · | self-acting in both directions for adjusting excessive and insufficient play

|  | F16D 65/64 |
· · · · | by means of direct linear adjustment (Fulltext... Hierarchy... Expanded...F16D 65/66, Fulltext... Hierarchy... Expanded...F16D 65/68 take precedence)

|  | F16D 65/66 |
· · · · | with screw-thread and nut

|  | F16D 65/68 |
· · · · | with eccentric or helical body

|  | F16D 65/70 |
· · · · | for angular adjustment of two concentric parts of the brake control system

|  | F16D 65/72 |
· · | hydraulic

|  | F16D 65/74 |
· · · | self-acting in one direction

|  | F16D 65/76 |
· · · | self-acting in both directions

|  | F16D 65/78 |
· | Features relating to cooling

|  | F16D 65/80 |
· · | for externally-engaging brakes

|  | F16D 65/807 |
· · · | with open cooling system, e.g. cooled by air [2]

|  | F16D 65/813 |
· · · | with closed cooling system [2]

|  | F16D 65/82 |
· · | for internally-engaging brakes

|  | F16D 65/827 |
· · · | with open cooling system, e.g. cooled by air [2]

|  | F16D 65/833 |
· · · | with closed cooling system [2]

|  | F16D 65/84 |
· · | for disc brakes

|  | F16D 65/847 |
· · · | with open cooling system, e.g. cooled by air [2]

|  | F16D 65/853 |
· · · | with closed cooling system [2]

|  | F16D 66/00 |
Arrangements for monitoring working conditions, e.g. wear, temperature

|  | F16D 66/02 |
· | Apparatus for indicating wear

|  | F16D 67/00 |
Combinations of couplings and brakes; Combinations of clutches and brakes (Fulltext... Hierarchy... Expanded...F16D 71/00 takes precedence; combinations of couplings and clutches Fulltext... Hierarchy... Expanded...F16D 47/02; control of those combinations Fulltext... Hierarchy... Expanded...B60K 41/00, e.g. Fulltext... Hierarchy... Expanded...B60K 41/24) [2]

|  | F16D 67/02 |
· | Clutch-brake combinations

|  | F16D 67/04 |
· · | fluid actuated

|  | F16D 67/06 |
· · | electromagnetically actuated

|  | F16D 69/00 |
Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces (clutching elements Fulltext... Hierarchy... Expanded...F16D 13/60; braking members Fulltext... Hierarchy... Expanded...F16D 65/02)

|  | F16D 69/02 |
· | Composition of linings (chemical aspects, see the relevant classes)

|  | F16D 69/04 |
· | Attachment of linings

|  | F16D 71/00 |
Mechanisms for bringing members to rest in a predetermined position (combined with, or controlling, clutches Fulltext... Hierarchy... Expanded...F16D 43/26; means for initiating operation of brakes at a predetermined position Fulltext... Hierarchy... Expanded...F16D 65/14; means for securing members after operation Fulltext... Hierarchy... Expanded...F16B 1/02)

|  | F16D 71/02 |
· | comprising auxiliary means for producing the final movement

|  | F16D 71/04 |
· | providing for selection between a plurality of positions (Fulltext... Hierarchy... Expanded...F16D 71/02 takes precedence)

|  | F16D 101/00 - F16D 113/00 |
Indexing scheme associated with group Fulltext... Hierarchy... Expanded...F16D 48/00, relating to control inputs to clutches or clutch systems. The indexing codes should be unlinked. [6]

|  | F16D 101/00 - F16D 113/00 |
Note(s) Attention is drawn to Chapter IV of the Guide which sets forth the rules concerning the application and presentation of the different types of indexing code. [6]

|  | F16D 101/00 |
Selector apparatus for change-speed or reversing gearing [6]

|  | F16D 103/00 |
Inputs being a function of torque or torque demand [6]

|  | F16D 103/02 |
· | Accelerator pedal position [6]

|  | F16D 103/04 |
· | Engine throttle opening [6]

|  | F16D 105/00 |
Inputs being a function of speed [6]

|  | F16D 105/02 |
· | of engine [6]

|  | F16D 105/04 |
· | of clutch input [6]

|  | F16D 105/06 |
· | of clutch output [6]

|  | F16D 105/08 |
· | of clutch slip [6]

|  | F16D 107/00 |
Inputs being a function of acceleration [6]

|  | F16D 109/00 |
Inputs being a function of machine status [6]

|  | F16D 109/02 |
· | with signals from a brake [6]

|  | F16D 109/04 |
· | with signals from gearing [6]

|  | F16D 109/06 |
· | with signals from steering [6]

|  | F16D 109/08 |
· | with signals from engine [6]

|  | F16D 111/00 |
Inputs being a function of ambient conditions [6]

|  | F16D 113/00 |
Inputs being a function of clutch status, e.g. engaged, disengaged [6]