F
SECTION F — MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
 F01 - 
F04
Subsection index
MACHINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF04C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF04B
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
ENGINES
positive displacement
rotary or oscillating piston
liquid and elastic fluid or elastic fluidF01C
liquid onlyF03C
reciprocating piston or other
liquid and elastic fluid or elastic fluidF01B
liquid onlyF03C
non-positive displacement
liquid and elastic fluid or elastic fluidF01D
liquid onlyF03B
PUMPS
positive displacement
rotary or oscillating pistonF04C
reciprocating piston or otherF04B
non-positive displacementF04D
  
ENGINEERING IN GENERAL
 F16
ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
 F16C
SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS  [5]
 F16C

Note(s)

  1. In this subclass, the following expression is used with the meaning indicated:
    • "rotary bodies other than gearing elements" covers any element which rotates so far as its features are affected only by the fact that it rotates.
  2. Attention is drawn to the following places:
    A01B 71/04Bearings for agricultural machines 
    B21B 31/07Adaptation of roll bearings for metal-rolling mills 
    B23Q 1/25Bearings for movable or adjustable work or tool supports 
    B61C 17/10Connecting-rods, bearings for driving wheels of railway locomotives 
    B61F 15/00Axle-boxes for railway vehicles 
    B62K 21/06Bearings for steering heads 
    E06B 9/174, E06B 9/50Bearings specially adapted for roller shutters or for roller blinds 
    E21B 10/22Bearings for drill bits 
    F01C 21/02Arrangement of bearings in rotary-piston machines or engines 
    F01D 25/16Arrangement of bearings in non-positive displacement machines or engines 
    F02C 7/06Arrangement of bearings in gas-turbine plants 
    G01C 19/16Bearings for gyroscopes 
    G01D 11/02Bearings or suspensions for moving parts of measuring instruments 
    G01G 21/02Arrangements of bearings in weighing apparatus 
    G01R 1/10Arrangements of bearings in instruments for measuring electric variables 
    G01R 11/12Arrangements of bearings for apparatus for measuring time integral of electric power or current 
    G02C 5/22Hinges for spectacles 
    G04B 31/00Bearings for clockwork 
    H02N 15/00Magnetic levitation devices.  [5] 
 F16C
Subclass index
FLEXIBLE TRANSMISSIONS, SHAFTS, AXLES, CRANKS, ECCENTRICS 1/00, 3/00
CROSSHEADS, CONNECTING-RODS 5/00, 7/00, 9/00
PIVOTS 11/00
ROLLS, DRUMS, DISCS 13/00
BEARINGS
For rotatable parts 13/00, 17/00 - 27/00
For linearly-movable parts 29/00
For parts which both rotate and move linearly 31/00
For crankshafts or connecting- rods 9/00
Not otherwise provided for 32/00
Supports; parts or accessories 27/00, 35/00; 33/00, 41/00
Cooling; relieving load 37/00; 39/00
MAKING, ASSEMBLING 33/00, 43/00
CONSTRUCTION OF ROTATABLE BODIES TO RESIST CENTRIFUGAL FORCE 15/00
P:0 F16C 1/00
Flexible shafts (flexible shafts in dental machines for boring or cutting A61C 1/18); Mechanical means for transmitting movement in a flexible sheathing
 F16C 1/02
·  for conveying rotary movements
 F16C 1/04
·  ·  Articulated shafts
 F16C 1/06
·  ·  with guiding-sheathing, tube, or box (F16C 1/04 takes precedence; guiding-sheathings F16C 1/26)
 F16C 1/08
·  ·  End connections
 F16C 1/10
·  Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms" (guiding-sheathings F16C 1/26)
 F16C 1/12
·  ·  Arrangements for transmitting movement to or from the flexible member
 F16C 1/14
·  ·  ·  Construction of the end-piece of the flexible member; Attachment thereof to the flexible member
 F16C 1/16
·  ·  ·  in which the end-piece is guided rectilinearly
 F16C 1/18
·  ·  ·  in which the end portion of the flexible member is laid along a curved surface of a pivoted member
 F16C 1/20
·  ·  Construction of flexible members moved to and fro in the sheathing
 F16C 1/22
·  ·  Adjusting; Compensating length
 F16C 1/24
·  Lubrication; Lubricating equipment
 F16C 1/26
·  Construction of guiding-sheathings or guiding-tubes
 F16C 1/28
·  ·  with built-in bearings
P:10 F16C 3/00
Shafts (flexible shafts F16C 1/00; marine propeller shafts, paddle wheel shafts B63H 23/34); Axles; Cranks; Eccentrics
 F16C 3/02
·  Shafts; Axles
 F16C 3/03
·  ·  telescopic (axially displaceable couplings F16D 3/06)
 F16C 3/035
·  ·  ·  with built-in bearings
 F16C 3/04
·  Crankshafts, eccentric-shafts; Cranks, eccentrics
 F16C 3/06
·  ·  Crankshafts
 F16C 3/08
·  ·  ·  made in one piece (features relating to lubrication F16C 3/14, to cooling F16C 3/16)
 F16C 3/10
·  ·  ·  assembled of several parts, e.g. by welding
 F16C 3/12
·  ·  ·  ·  releasably connected
 F16C 3/14
·  ·  ·  Features relating to lubrication
 F16C 3/16
·  ·  ·  Features relating to cooling
 F16C 3/18
·  ·  Eccentric-shafts
 F16C 3/20
·  ·  Shape of crankshafts or eccentric-shafts having regard to balancing
 F16C 3/22
·  ·  Cranks; Eccentrics (constructional features of crank-pins F16C 11/02)
 F16C 3/24
·  ·  ·  with return cranks, i.e. a second crank carried by the crank-pin
 F16C 3/26
·  ·  ·  Elastic crank-webs; Resiliently-mounted crank-pins (elastic connecting-rods F16C 7/04)
 F16C 3/28
·  ·  ·  Adjustable cranks or eccentrics (adjustable crank mechanisms F16H 21/20)
 F16C 3/30
·  ·  ·  with arrangements for overcoming dead-centres
P:20 F16C 5/00
Crossheads; Constructions of connecting-rod heads or piston-rod connections rigid with crossheads (piston-rods, i.e. rods rigidly connected to the piston, F16J 7/00)
P:30 F16C 7/00
Connecting-rods or like links pivoted at both ends (coupling-rods for locomotive driving-wheels B61C; inhibiting shift in gearing during unfavourable conditions F16H 61/16); Construction of connecting-rod heads (heads rigid with crossheads F16C 5/00)
 F16C 7/02
·  Constructions of connecting-rods with constant length
 F16C 7/04
·  with elastic intermediate part or fluid cushion
 F16C 7/06
·  Adjustable connecting-rods
 F16C 7/08
·  made from sheet metal
P:40 F16C 9/00
Bearings for crankshafts or connecting-rods; Attachment of connecting-rods (lubrication of connecting-rods in connection with crankshafts F16C 3/14; connections to crossheads F16C 5/00, to pistons F16J 1/14)
 F16C 9/02
·  Crankshaft bearings
 F16C 9/03
·  ·  Arrangements for adjusting play
 F16C 9/04
·  Connecting-rod bearings; Attachment thereof
 F16C 9/06
·  ·  Arrangements for adjusting play in bearings, operating either automatically or not (bearings adjustable for play in general F16C 25/00)
P:50 F16C 11/00
Pivots; Pivotal connections (arrangements of steering linkage connections B62D 7/16)
 F16C 11/02
·  Trunnions; Crank-pins (fastening crank-pins to webs, crank-pins integral with cranks F16C 3/06, F16C 3/22)
 F16C 11/04
·  Pivotal connections (hinges for doors, windows or wings E05D; rubber springs with stiff outer sleeve and inner sleeve or pin F16F 1/38)
 F16C 11/06
·  ·  Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints (for transmitting rotary motion F16D 3/00; supports for apparatus with ball-joint heads F16M 11/14)
 F16C 11/08
·  ·  ·  with resilient bearings
 F16C 11/10
·  ·  Arrangements for locking
 F16C 11/12
·  ·  incorporating flexible connections, e.g. leaf springs
P:70 F16C 13/00
Rolls, drums, discs, or the like (guide rollers in feeding webs B65H 27/00; calender rolls, bearings therefor D21G 1/02; pulleys F16H 55/00; rotary drums or rollers for heat-exchange or heat-transfer apparatus F28F 5/02; special adaptations, see the relevant classes); Bearings or mountings therefor
 F16C 13/02
·  Bearings
 F16C 13/04
·  ·  Bearings with only partial enclosure of the member to be borne; Bearings with local support at two or more points
 F16C 13/06
·  ·  self-adjusting
P:60 F16C 15/00
Construction of rotary bodies to resist centrifugal force (flywheels, correction weights F16F 15/30, F16F 15/32)
 F16C 17/00 - 
F16C 27/00
Bearings for rotary parts (F16C 9/00, F16C 13/02 take precedence; allowing for linear movement also F16C 31/00)
P:130 F16C 17/00
Sliding-contact bearings (F16C 32/06 takes precedence; adjustable bearings F16C 23/00, F16C 25/00)  [2]
 F16C 17/02
·  for radial load only
 F16C 17/03
·  ·  with tiltably-supported segments, e.g. Michell bearings
 F16C 17/04
·  for axial load only
 F16C 17/06
·  ·  with tiltably-supported segments, e.g. Michell bearings
 F16C 17/08
·  ·  for supporting the end face of a shaft or other member, e.g. footstep bearings
 F16C 17/10
·  for both radial and axial load
 F16C 17/12
·  characterised by features not related to the direction of the load
 F16C 17/14
·  ·  specially adapted for operating in water
 F16C 17/18
·  ·  with floating brasses or bushes, rotatable at a reduced speed
 F16C 17/20
·  ·  with emergency supports or bearings
 F16C 17/22
·  ·  with arrangements compensating for thermal expansion
 F16C 17/24
·  ·  with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety
 F16C 17/26
·  Systems consisting of a plurality of sliding-contact bearings
P:120 F16C 19/00
Bearings with rolling contact (adjustable bearings F16C 23/00, F16C 25/00)
 F16C 19/02
·  with bearing balls essentially of the same size in one or more circular rows
 F16C 19/04
·  ·  for radial load mainly
 F16C 19/06
·  ·  ·  with a single row of balls
 F16C 19/08
·  ·  ·  with two or more rows of balls
 F16C 19/10
·  ·  for axial load mainly
 F16C 19/12
·  ·  ·  for supporting the end face of a shaft or other member, e.g. footstep bearings
 F16C 19/14
·  ·  for both radial and axial load
 F16C 19/16
·  ·  ·  with a single row of balls
 F16C 19/18
·  ·  ·  with two or more rows of balls
 F16C 19/20
·  ·  with loose spacing bodies, e.g. balls, between the bearing balls
 F16C 19/22
·  with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
 F16C 19/24
·  ·  for radial load mainly
 F16C 19/26
·  ·  ·  with a single row of rollers
 F16C 19/28
·  ·  ·  with two or more rows of rollers
 F16C 19/30
·  ·  for axial load mainly
 F16C 19/32
·  ·  ·  for supporting the end face of a shaft or other member, e.g. footstep bearings
 F16C 19/34
·  ·  for both radial and axial load
 F16C 19/36
·  ·  ·  with a single row of rollers
 F16C 19/38
·  ·  ·  with two or more rows of rollers
 F16C 19/40
·  ·  with loose spacing bodies between the rollers
 F16C 19/44
·  ·  Needle bearings
 F16C 19/46
·  ·  ·  with one row of needles
 F16C 19/48
·  ·  ·  with two or more rows of needles
 F16C 19/49
·  Bearings with both balls and rollers
 F16C 19/50
·  Other types of ball or roller bearings
 F16C 19/52
·  with devices affected by abnormal or undesired conditions
 F16C 19/54
·  Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C 35/08)
 F16C 19/55
·  ·  with intermediate floating rings rotating at reduced speed
 F16C 19/56
·  ·  in which the rolling bodies of one bearing differ in diameter from those of another
P:110 F16C 21/00
Combinations of sliding-contact bearings with ball or roller bearings (F16C 17/24, F16C 19/52 take precedence)  [2]
P:100 F16C 23/00
Bearings adjustable for aligning or positioning (F16C 27/00 takes precedence)
 F16C 23/02
·  Sliding-contact bearings
 F16C 23/04
·  ·  self-adjusting
 F16C 23/06
·  Ball or roller bearings
 F16C 23/08
·  ·  self-adjusting
 F16C 23/10
·  Bearings, parts of which are eccentrically adjustable with respect to each other
P:90 F16C 25/00
Bearings adjustable for wear or play (F16C 27/00 takes precedence)
 F16C 25/02
·  Sliding-contact bearings
 F16C 25/04
·  ·  self-adjusting
 F16C 25/06
·  Ball or roller bearings
 F16C 25/08
·  ·  self-adjusting
P:80 F16C 27/00
Elastic or yielding bearings or bearing supports (shock-damping bearings for watches or clocks G04B 31/02)
 F16C 27/02
·  Sliding-contact bearings
 F16C 27/04
·  Ball or roller bearings, e.g. with resilient rolling bodies
 F16C 27/06
·  by means of parts of rubber or like materials (F16C 27/08 takes precedence; with sliding surfaces of rubber or synthetic rubber F16C 33/22; construction of units comprising rigid inner and outer members with rubber or the like between them F16F 1/38)
 F16C 27/08
·  primarily for axial load, e.g. for vertically-arranged shafts
 F16C 29/00 - 
F16C 32/00
Other bearings
P:150 F16C 29/00
Bearings for parts moving only linearly (F16C 32/06 takes precedence; incorporated in flexible shafts F16C 1/28)  [2]
 F16C 29/02
·  Sliding-contact bearings
 F16C 29/04
·  Ball or roller bearings
 F16C 29/06
·  ·  in which the rolling bodies circulate partly without carrying load
 F16C 29/08
·  Arrangements for covering or protecting the ways
 F16C 29/10
·  Arrangements for locking the bearings (preventing relative movement between machine parts in general F16B, e.g. F16B 1/00)
 F16C 29/12
·  Arrangements for adjusting play
P:140 F16C 31/00
Bearings for parts which both rotate and move linearly
 F16C 31/02
·  Sliding-contact bearings
 F16C 31/04
·  Ball or roller bearings
 F16C 31/06
·  ·  in which the rolling bodies circulate partly without carrying load
P:160 F16C 32/00
Bearings not otherwise provided for
 F16C 32/02
·  Knife-edge bearings
 F16C 32/04
·  using magnetic or electric supporting means  [2]
 F16C 32/06
·  with moving member supported by a fluid cushion formed, at least to a large extent, otherwise than by movement of the shaft, e.g. hydrostatic air-cushion bearings  [2]
 F16C 33/00 - 
F16C 43/00
Details or accessories of bearings
P:210 F16C 33/00
Parts of bearings; Special methods for making bearings or parts thereof (metal-working or like operations, see the relevant classes)
 F16C 33/02
·  Parts of sliding-contact bearings
 F16C 33/04
·  ·  Brasses; Bushes; Linings
 F16C 33/06
·  ·  ·  Sliding surface mainly made of metal (F16C 33/24-F16C 33/28 take precedence)
 F16C 33/08
·  ·  ·  ·  Attachment of brasses, bushes, or linings to the bearing housing
 F16C 33/10
·  ·  ·  ·  Construction relative to lubrication
 F16C 33/12
·  ·  ·  ·  Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing (the materials or treatments themselves, see the relevant places, e.g. C22C)
 F16C 33/14
·  ·  ·  ·  Special methods of manufacture; Running-in
 F16C 33/16
·  ·  ·  Sliding surface consisting mainly of graphite
 F16C 33/18
·  ·  ·  Sliding surface consisting mainly of wood or fibrous material
 F16C 33/20
·  ·  ·  Sliding surface consisting mainly of plastics (F16C 33/22-F16C 33/28 take precedence)
 F16C 33/22
·  ·  ·  Sliding surface consisting mainly of rubber or synthetic rubber (F16C 33/24-F16C 33/28 take precedence; of interest apart from the surface itself F16C 27/06)
 F16C 33/24
·  ·  ·  with different areas of the sliding surface consisting of different materials
 F16C 33/26
·  ·  ·  made from wire coils; made from a number of discs, rings, rods, or other members
 F16C 33/28
·  ·  ·  with embedded reinforcements shaped as frames or meshed materials
 F16C 33/30
·  Parts of ball or roller bearings
 F16C 33/32
·  ·  Balls
 F16C 33/34
·  ·  Rollers; Needles
 F16C 33/36
·  ·  ·  with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces
 F16C 33/37
·  ·  Loose spacing bodies
 F16C 33/372
·  ·  ·  rigid
 F16C 33/374
·  ·  ·  resilient
 F16C 33/38
·  ·  Ball cages
 F16C 33/40
·  ·  ·  for multiple rows of balls
 F16C 33/41
·  ·  ·  comb-shaped
 F16C 33/42
·  ·  ·  made from wire or sheet-metal strips (F16C 33/40, F16C 33/41 take precedence)
 F16C 33/44
·  ·  ·  Selection of substances (F16C 33/40, F16C 33/41 take precedence)
 F16C 33/46
·  ·  Cages for rollers or needles
 F16C 33/48
·  ·  ·  for multiple rows of rollers or needles
 F16C 33/49
·  ·  ·  comb-shaped
 F16C 33/50
·  ·  ·  formed of interconnected members, e.g. chains
 F16C 33/51
·  ·  ·  formed of unconnected members
 F16C 33/52
·  ·  ·  with no part entering between, or touching, the bearing surfaces of the rollers (F16C 33/50 takes precedence)
 F16C 33/54
·  ·  ·  made from wire, strips, or sheet metal (F16C 33/48, F16C 33/49 take precedence)
 F16C 33/56
·  ·  ·  Selection of substances (F16C 33/48, F16C 33/49 take precedence)
 F16C 33/58
·  ·  Raceways; Race rings
 F16C 33/60
·  ·  ·  divided
 F16C 33/61
·  ·  ·  ·  formed by wires
 F16C 33/62
·  ·  ·  Selection of substances
 F16C 33/64
·  ·  ·  Special methods of manufacture
 F16C 33/66
·  ·  Special parts or details in view of lubrication
 F16C 33/72
·  Sealings (sealings in general F16J)
 F16C 33/74
·  ·  of sliding-contact bearings
 F16C 33/76
·  ·  of ball or roller bearings
 F16C 33/78
·  ·  ·  with a diaphragm, disc, or ring, with or without resilient members
 F16C 33/80
·  ·  ·  Labyrinth sealings
 F16C 33/82
·  ·  ·  Arrangements for electrostatic or magnetic action against dust or other particles
P:200 F16C 35/00
Rigid support of bearing units; Housings, e.g. caps, covers (F16C 23/00 takes precedence; elastic or yielding supports F16C 27/00)
 F16C 35/02
·  in the case of sliding-contact bearings
 F16C 35/04
·  in the case of ball or roller bearings
 F16C 35/06
·  ·  Mounting of ball or roller bearings; Fixing them onto shaft or in housing (hand-tools for inserting or withdrawing sleeves or ball races B25B 27/06)
 F16C 35/063
·  ·  ·  Fixing them on the shaft (with interposition of an element F16C 35/07)  [3]
 F16C 35/067
·  ·  ·  Fixing them in a housing (with interposition of an element F16C 35/07)  [3]
 F16C 35/07
·  ·  ·  Fixing them on the shaft or housing with interposition of an element  [3]
 F16C 35/073
·  ·  ·  ·  between shaft and inner race ring  [3]
 F16C 35/077
·  ·  ·  ·  between housing and outer race ring  [3]
 F16C 35/078
·  ·  ·  using pressure fluid as mounting aid  [3]
 F16C 35/08
·  for spindles
 F16C 35/10
·  ·  with sliding-contact bearings
 F16C 35/12
·  ·  with ball or roller bearings
P:180 F16C 37/00
Cooling of bearings
P:170 F16C 39/00
Relieving load on bearings
 F16C 39/02
·  using mechanical means
 F16C 39/04
·  using hydraulic or pneumatic means
 F16C 39/06
·  using magnetic means
P:220 F16C 41/00
Other accessories
 F16C 41/02
·  Arrangements for equalising the load on a plurality of bearings or their elements
 F16C 41/04
·  Preventing damage to bearings during storage or transport thereof or when otherwise out of use
P:190 F16C 43/00
Assembling bearings
 F16C 43/02
·  Assembling sliding-contact bearings
 F16C 43/04
·  Assembling rolling contact bearings
 F16C 43/06
·  ·  Placing rolling bodies in cages or bearings
 F16C 43/08
·  ·  ·  by deforming the cages or the races