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 71/00Bearings for agricultural machines 
    B21B 31/00Adaptation of roll bearings for metal-rolling mills 
    B23Q 1/25Bearings for movable or adjustable work or tool supports 
    B61C 17/00Connecting-rods, bearings for driving wheels of railway locomotives 
    B61F 15/00Axle-boxes for railway vehicles 
    B62K 21/00Bearings for steering heads 
    E06B 9/17, E06B 9/24Bearings specially adapted for roller shutters or for roller blinds 
    E21B 10/08Bearings for drill bits 
    F01C 21/00Arrangement 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 19/00Bearings for gyroscopes 
    G01D 11/00Bearings or suspensions for moving parts of measuring instruments 
    G01G 21/00Arrangements of bearings in weighing apparatus 
    G01R 1/02Arrangements of bearings in instruments for measuring electric variables 
    G01R 11/00Arrangements 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 1/08); Mechanical means for transmitting movement in a flexible sheathing
 F16C 1/10
·  Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms" (guiding-sheathings F16C 1/00)
P:10 F16C 3/00
Shafts (flexible shafts F16C 1/00; marine propeller shafts, paddle wheel shafts B63H 23/00); Axles; Cranks; Eccentrics
 F16C 3/02
·  Shafts; Axles
 F16C 3/04
·  Crankshafts, eccentric-shafts; Cranks, eccentrics
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)
P:40 F16C 9/00
Bearings for crankshafts or connecting-rods; Attachment of connecting-rods (lubrication of connecting-rods in connection with crankshafts F16C 3/04; connections to crossheads F16C 5/00, to pistons F16J 1/10)
P:50 F16C 11/00
Pivots; Pivotal connections (arrangements of steering linkage connections B62D 7/00)
 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 11/02)
P:70 F16C 13/00
Rolls, drums, discs, or the like (guide rollers in feeding webs B65H 27/00; calender rolls, bearings therefor D21G 1/00; pulleys F16H 55/00; rotary drums or rollers for heat-exchange or heat-transfer apparatus F28F 5/00; special adaptations, see the relevant classes); Bearings or mountings therefor
 F16C 13/02
·  Bearings
P:60 F16C 15/00
Construction of rotary bodies to resist centrifugal force (flywheels, correction weights F16F 15/30, F16F 15/00)
 F16C 17/00 - 
F16C 32/00
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 for exclusively rotary movement (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
P:120 F16C 19/00
Bearings with rolling contact, for exclusively rotary movement (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 19/22
·  with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
 F16C 19/49
·  Bearings with both balls and rollers
P:110 F16C 21/00
Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement (F16C 17/00, F16C 19/00take precedence)  [2]
P:100 F16C 23/00
Bearings for exclusively rotary movement adjustable for aligning or positioning (F16C 27/00 takes precedence)
P:90 F16C 25/00
Bearings for exclusively rotary movement adjustable for wear or play (F16C 27/00 takes precedence)
P:80 F16C 27/00
Elastic or yielding bearings or bearing supports, for exclusively rotary movement (with sliding surfaces of rubber or synthetic rubber F16C 33/04;   shock-damping bearings for watches or clocks G04B 31/00)
P:150 F16C 29/00
Bearings for parts moving only linearly (F16C 32/06 takes precedence; incorporated in flexible shafts F16C 1/00)  [2]
 F16C 29/04
·  Ball or roller bearings
 F16C 29/06
·  ·  in which the rolling bodies circulate partly without carrying load
P:140 F16C 31/00
Bearings for parts which both rotate and move linearly
P:160 F16C 32/00
Bearings not otherwise provided for
 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 33/30
·  Parts of ball or roller bearings
 F16C 33/38
·  ·  Ball cages
 F16C 33/46
·  ·  Cages for rollers or needles
 F16C 33/58
·  ·  Raceways; Race rings
 F16C 33/62
·  ·  ·  Selection of substances
 F16C 33/66
·  ·  Special parts or details in view of lubrication
 F16C 33/72
·  Sealings (sealings in general F16J)
 F16C 33/76
·  ·  of ball or roller bearings
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 35/04
·  in the case of ball or roller bearings
P:180 F16C 37/00
Cooling of bearings
P:170 F16C 39/00
Relieving load on bearings
P:220 F16C 41/00
Other accessories for bearings
P:190 F16C 43/00
Assembling bearings