IPC 7 English version F16D !A-F16D 3/84

F16D-F16D00384

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 16

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

F 16 D

COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES [2]

Note

Attention is drawn to the following places:

A01D 69/08, A01D 69/10

Clutches or brakes of harvesters or mowers for grass or cereals

A61C 1/18

Clutches in dental machines for boring or cutting

B21B 35/14

Drive couplings for metal-rolling mills

B30B 15/10

Brakes specially adapted for presses

B30B 15/12

Clutches specially adapted for presses

B41J 33/52

Braking devices for ribbon-feed devices in selective printing mechanisms

B60K 17/00

Arrangement or location of clutches in vehicles

B61H

Brakes peculiar to rail vehicles

B62B 5/04

Braking mechanisms for hand carts

B62B 9/08

Braking mechanisms for children's carriages or perambulators

B62C 7/00

Braking mechanisms for animal-drawn vehicles

B62L

Cycle brakes

B66D 5/00

Braking devices for lifting or hoisting gear

E21B 17/02

Couplings for drilling rods

H02P 3/04

Brakes for electric motors, generators, dynamo-electric converters

H04L 13/04

Clutches for apparatus for transmission of coded digital information.

Subclass Index

COUPLINGS

In general

F16D 1/00

Yielding; impulse; slip

F16D 3/00; F16D 5/00; F16D 7/00

With safety members

F16D 9/00

Using a fluid as power-transmitting means

F16D 31/00, F16D 33/00, F16D 39/00

CLUTCHES

Mechanically actuated

the members being in direct contact

F16D 11/00, F16D 13/00, F16D 17/00

with separate members

F16D 15/00

others; combinations

F16D 19/00; F16D 21/00

details

F16D 23/00

Non-mechanically actuated

by fluid

F16D 25/00, F16D 29/00

magnetically actuated

F16D 27/00, F16D 29/00

electrically actuated

F16D 28/00, F16D 29/00

Using a fluid as power-transmitting means

F16D 31/00 to F16D 37/00

Freewheels, automatic

F16D 41/00, F16D 43/00, F16D 45/00

Combinations

F16D 45/00, F16D 47/00

External control of clutches

F16D 48/00

FREEWHEELS OR FREEWHEEL CLUTCHES

F16D 41/00, F16D 45/00

BRAKES

Characterised by their function

F16D 49/00 to F16D 55/00

Using resistance of liquid or air

F16D 57/00

Automatic

F16D 59/00

With means for making available for use the energy absorbed

F16D 61/00

Others

F16D 63/00

Details

F16D 65/00, F16D 69/00, F16D 71/00

Monitoring working conditions

F16D 66/00

COMBINATIONS OF DIFFERENT DEVICES

F16D 47/00, F16D 67/00

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

Couplings for rigidly connecting two coaxial shafts or other movable machine elements (attachment of wheels to axles for railway carriages B60B; for attachment of cranks to their shafts F16C 3/10)

for connecting two abutting shafts or the like

027

non-disconnectable, e.g. involving gluing, welding or the like [6]

033

by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges [6]

with clamping hub; with hub and longitudinal key

with radial clamping due to axial loading of at least one pair of conical surfaces [5]

for attachment of a member on a shaft or on a shaft-end (attachment of marine propellers on shafts B63H 23/34)

064

non-disconnectable [6]

068

involving gluing, welding or the like [6]

072

involving plastic deformation (plastic welding F16D 1/068) [6]

076

by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges [6]

with clamping hub; with hub and longitudinal key

with radial clamping due to axial loading of at least one pair of conical surfaces [5]

Quick-acting couplings in which the parts are connected by simply bringing them together axially

104

having retaining means rotating with the coupling and acting only by friction [6]

108

having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling [6]

112

the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints [6]

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 F16B 21/18) [6]

allowing adjustment of the parts about the axis (during motion F16D 3/10)

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

adapted to specific functions (universal joints, see the appropriate groups)

specially adapted to allow radial displacement, e.g. Oldham couplings

specially adapted to allow axial displacement

Couplings for intersecting shafts, provided with intermediate bars bent in an angle corresponding with the angle of intersection

Couplings with means for varying the angular relationship of two coaxial shafts during motion

specially adapted for accumulation of energy to absorb shocks or vibration (by making use of fluid elements F16D 3/80)

combined with a friction coupling for damping vibration or absorbing shock

Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts

the coupling parts having slidably-interengaging teeth

Note

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]

of resilient material or structure

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

202

one coupling part having radially projecting pins, e.g. tripod joints [5]

205

the pins extending radially outwardly from the coupling part [5]

207

the pins extending radially inwardly from the coupling part [5]

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

221

the rolling members being located in sockets in one of the coupling parts [5]

223

the rolling members being guided in grooves in both coupling parts, e.g. Rzeppa joints [5]

224

the groove centre-lines on each coupling part lying on a sphere [5]

226

the groove centre-lines in each coupling part lying on a cylinder co-axial with the respective coupling part [5]

227

the joints being telescopic [5]

229

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

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

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

with two or more intermediate members pivotally or slidably connected together, e.g. tongue-and-slipper type joints [5]

in which the interconnecting pivots include elastic members

in which the coupling is specially adapted to constant velocity-ratio

by the provision of two intermediate members each having two relatively- perpendicular trunnions or bearings

with ball or roller bearings

parts being connected by ridges, pins, balls, or the like guided in grooves or between cogs

in which each pivot between the coupling parts and the intermediate member comprises a single ball

with a single intermediate member with trunnions or bearings arranged on two axes perpendicular to one another (F16D 3/36 takes precedence)

with intermediate member provided with two pairs of outwardly-directed trunnions on intersecting axes

with ball or roller bearings

with ring-shaped intermediate member provided with bearings or inwardly-directed trunnions

with ball or roller bearings

the intermediate member being connected to the coupling parts by ridges, pins, balls, or the like guided in grooves or between cogs

each coupling part embracing grooves or ridges on the intermediate member

one coupling part having pins arranged parallel to the axis and entering holes in the other coupling part

with the coupling parts connected by one or more intermediate members (F16D 3/16 takes precedence)

comprising a continuous strip, spring, or the like engaging the coupling parts at a number of places

Couplings comprising a chain or strip surrounding two wheels arranged side by side and provided with teeth or the equivalent

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

the intermediate members being made of rubber or like material

comprising pushing or pulling links attached to both parts (F16D 3/64 takes precedence)

the links or their attachments being elastic

comprising elastic elements arranged between substantially-radial walls of both coupling parts

the elements being metallic, e.g. in the form of coils

the elements being made of rubber or similar material

comprising elastic elements arranged in holes in one coupling part and surrounding pins on the other coupling part

with axially-spaced attachments to the coupling parts (F16D 3/56 takes precedence)

the intermediate member or members being made of rubber or other flexible material

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

the ring being metallic

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

the disc or ring being metallic

in which a fluid is used (fluid couplings allowing continuous slip F16D 31/00 to F16D 35/00)

with a coupling element in the form of a pneumatic tube (similar clutches F16D 25/04)

Shrouds, e.g. casings, covers; Sealing means specially adapted therefor

F16D 5/00 - F16D 25/12