IPC 7 English version F16C 21/00-F16C 43/08

F16C02100-F16C04308

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 C

SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS [5]

21/

Combinations of sliding-contact bearings with ball or roller bearings (F16C 17/24, F16C 19/52 take precedence) [2]

23/

Bearings adjustable for aligning or positioning (F16C 27/00 takes precedence)

23/

Sliding-contact bearings

23/

self-adjusting

23/

Ball or roller bearings

23/

self-adjusting

23/

Bearings, parts of which are eccentrically adjustable with respect to each other

25/

Bearings adjustable for wear or play (F16C 27/00 takes precedence)

25/

Sliding-contact bearings

25/

self-adjusting

25/

Ball or roller bearings

25/

self-adjusting

27/

Elastic or yielding bearings or bearing supports (shock-damping bearings for watches or clocks G04B 31/02)

27/

Sliding-contact bearings

27/

Ball or roller bearings, e.g. with resilient rolling bodies

27/

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)

27/

primarily for axial load, e.g. for vertically-arranged shafts

Other bearings

29/

Bearings for parts moving only linearly (F16C 32/06 takes precedence; incorporated in flexible shafts F16C 1/28) [2]

29/

Sliding-contact bearings

29/

Ball or roller bearings

29/

in which the rolling bodies circulate partly without carrying load

29/

Arrangements for covering or protecting the ways

29/

Arrangements for locking the bearings (preventing relative movement between machine parts in general F16B, e.g. F16B 1/00)

29/

Arrangements for adjusting play

31/

Bearings for parts which both rotate and move linearly

31/

Sliding-contact bearings

31/

Ball or roller bearings

31/

in which the rolling bodies circulate partly without carrying load

32/

Bearings not otherwise provided for

32/

Knife-edge bearings

32/

using magnetic or electric supporting means [2]

32/

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]

Details or accessories of bearings

33/

Parts of bearings; Special methods for making bearings or parts thereof (metal-working or like operations, see the relevant classes)

33/

Parts of sliding-contact bearings

33/

Brasses; Bushes; Linings

33/

Sliding surface mainly made of metal (F16C 33/24 to F16C 33/28 take precedence)

33/

Attachment of brasses, bushes, or linings to the bearing housing

33/

Construction relative to lubrication

33/

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)

33/

Special methods of manufacture; Running-in

33/

Sliding surface consisting mainly of graphite

33/

Sliding surface consisting mainly of wood or fibrous material

33/

Sliding surface consisting mainly of plastics (F16C 33/22 to F16C 33/28 take precedence)

33/

Sliding surface consisting mainly of rubber or synthetic rubber (F16C 33/24 to F16C 33/28 take precedence; of interest apart from the surface itself F16C 27/06)

33/

with different areas of the sliding surface consisting of different materials

33/

made from wire coils; made from a number of discs, rings, rods, or other members

33/

with embedded reinforcements shaped as frames or meshed materials

33/

Parts of ball or roller bearings

33/

Balls

33/

Rollers; Needles

33/

with bearing-surfaces other than cylindrical, e.g. tapered; with grooves in the bearing surfaces

33/

Loose spacing bodies

33/

372

rigid

33/

374

resilient

33/

Ball cages

33/

for multiple rows of balls

33/

comb-shaped

33/

made from wire or sheet-metal strips (F16C 33/40, F16C 33/41 take precedence)

33/

Selection of substances (F16C 33/40, F16C 33/41 take precedence)

33/

Cages for rollers or needles

33/

for multiple rows of rollers or needles

33/

comb-shaped

33/

formed of interconnected members, e.g. chains

33/

formed of unconnected members

33/

with no part entering between, or touching, the bearing surfaces of the rollers (F16C 33/50 takes precedence)

33/

made from wire, strips, or sheet metal (F16C 33/48, F16C 33/49 take precedence)

33/

Selection of substances (F16C 33/48, F16C 33/49 take precedence)

33/

Raceways; Race rings

33/

divided

33/

formed by wires

33/

Selection of substances

33/

Special methods of manufacture

33/

Special parts or details in view of lubrication

33/

Sealings (sealings in general F16J)

33/

of sliding-contact bearings

33/

of ball or roller bearings

33/

with a diaphragm, disc, or ring, with or without resilient members

33/

Labyrinth sealings

33/

Arrangements for electrostatic or magnetic action against dust or other particles

35/

Rigid support of bearing units; Housings, e.g. caps, covers (F16C 23/00 takes precedence; elastic or yielding supports F16C 27/00)

35/

in the case of sliding-contact bearings

35/

in the case of ball or roller bearings

35/

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)

35/

063

Fixing them on the shaft (with interposition of an element F16C 35/07) [3]

35/

067

Fixing them in a housing (with interposition of an element F16C 35/07) [3]

35/

Fixing them on the shaft or housing with interposition of an element [3]

35/

073

between shaft and inner race ring [3]

35/

077

between housing and outer race ring [3]

35/

078

using pressure fluid as mounting aid [3]

35/

for spindles

35/

with sliding-contact bearings

35/

with ball or roller bearings

37/

Cooling of bearings

39/

Relieving load on bearings

39/

using mechanical means

39/

using hydraulic or pneumatic means

39/

using magnetic means

41/

Other accessories

41/

Arrangements for equalising the load on a plurality of bearings or their elements

41/

Preventing damage to bearings during storage or transport thereof or when otherwise out of use

43/

Assembling bearings

43/

Assembling sliding-contact bearings

43/

Assembling rolling contact bearings

43/

Placing rolling bodies in cages or bearings

43/

by deforming the cages or the races

F16C - F16C 19/56