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IPC 7
 
F16C-F16C01956
  F16C 21/00 - F16C 43/08  

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


F 16ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL


F 16 CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS  [5]


Notes

(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 71/04  Bearings for agricultural machines 

 B21B 31/07  Adaptation of roll bearings for metal-rolling mills 

 B23Q 1/25  Bearings for movable or adjustable work or tool supports 

 B61C 17/10  Connecting-rods, bearings for driving wheels of railway locomotives 

 B61F 15/00  Axle-boxes for railway vehicles 

 B62K 21/06  Bearings for steering heads 

 E06B 9/174, E06B 9/50  Bearings specially adapted for roller shutters or for roller blinds 

 E21B 10/22  Bearings for drill bits 

 F01C 21/02  Arrangement of bearings in rotary-piston machines or engines 

 F01D 25/16  Arrangement of bearings in non-positive displacement machines or engines 

 F02C 7/06  Arrangement of bearings in gas-turbine plants 

 G01C 19/16  Bearings for gyroscopes 

 G01D 11/02  Bearings or suspensions for moving parts of measuring instruments 

 G01G 21/02  Arrangements of bearings in weighing apparatus 

 G01R 1/10  Arrangements of bearings in instruments for measuring electric variables 

 G01R 11/12  Arrangements of bearings for apparatus for measuring time integral of electric power or current 

 G02C 5/22  Hinges for spectacles 

 G04B 31/00  Bearings for clockwork 

 H02N 15/00  Magnetic levitation devices. [5] 


Subclass Index

FLEXIBLE TRANSMISSIONS, SHAFTS, AXLES, CRANKS, ECCENTRICS 

F16C 1/00, F16C 3/00 

CROSSHEADS, CONNECTING-RODS 

F16C 5/00, F16C 7/00, F16C 9/00 

PIVOTS 

F16C 11/00 

ROLLS, DRUMS, DISCS 

F16C 13/00 

BEARINGS 

For rotatable parts 

F16C 13/00, F16C 17/00 to F16C 27/00 

For linearly-movable parts 

F16C 29/00 

For parts which both rotate and move linearly 

F16C 31/00 

For crankshafts or connecting- rods 

F16C 9/00 

Not otherwise provided for 

F16C 32/00 

Supports; parts or accessories 

F16C 27/00, F16C 35/00; F16C 33/00, F16C 41/00 

Cooling; relieving load 

F16C 37/00; F16C 39/00 

MAKING, ASSEMBLING 

F16C 33/00, F16C 43/00 

CONSTRUCTION OF ROTATABLE BODIES TO RESIST CENTRIFUGAL FORCE 

F16C 15/00 



1/

00Flexible shafts (flexible shafts in dental machines for boring or cutting A61C 1/18); Mechanical means for transmitting movement in a flexible sheathing

1/

02.for conveying rotary movements

1/

04..Articulated shafts

1/

06..with guiding-sheathing, tube, or box (F16C 1/04 takes precedence; guiding-sheathings F16C 1/26)

1/

08..End connections

1/

10.Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms" (guiding-sheathings F16C 1/26)

1/

12..Arrangements for transmitting movement to or from the flexible member

1/

14...Construction of the end-piece of the flexible member; Attachment thereof to the flexible member

1/

16...in which the end-piece is guided rectilinearly

1/

18...in which the end portion of the flexible member is laid along a curved surface of a pivoted member

1/

20..Construction of flexible members moved to and fro in the sheathing

1/

22..Adjusting; Compensating length

1/

24.Lubrication; Lubricating equipment

1/

26.Construction of guiding-sheathings or guiding-tubes

1/

28..with built-in bearings


3/

00Shafts (flexible shafts F16C 1/00; marine propeller shafts, paddle wheel shafts B63H 23/34); Axles; Cranks; Eccentrics

3/

02.Shafts; Axles

3/

03..telescopic (axially displaceable couplings F16D 3/06)

3/

035...with built-in bearings

3/

04.Crankshafts, eccentric-shafts; Cranks, eccentrics

3/

06..Crankshafts

3/

08...made in one piece (features relating to lubrication F16C 3/14, to cooling F16C 3/16)

3/

10...assembled of several parts, e.g. by welding

3/

12....releasably connected

3/

14...Features relating to lubrication

3/

16...Features relating to cooling

3/

18..Eccentric-shafts

3/

20..Shape of crankshafts or eccentric-shafts having regard to balancing

3/

22..Cranks; Eccentrics (constructional features of crank-pins F16C 11/02)

3/

24...with return cranks, i.e. a second crank carried by the crank-pin

3/

26...Elastic crank-webs; Resiliently-mounted crank-pins (elastic connecting-rods F16C 7/04)

3/

28...Adjustable cranks or eccentrics (adjustable crank mechanisms F16H 21/20)

3/

30...with arrangements for overcoming dead-centres


5/

00Crossheads; 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)


7/

00Connecting-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)

7/

02.Constructions of connecting-rods with constant length

7/

04.with elastic intermediate part or fluid cushion

7/

06.Adjustable connecting-rods

7/

08.made from sheet metal


9/

00Bearings 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)

9/

02.Crankshaft bearings

9/

03..Arrangements for adjusting play

9/

04.Connecting-rod bearings; Attachment thereof

9/

06..Arrangements for adjusting play in bearings, operating either automatically or not (bearings adjustable for play in general F16C 25/00)


11/

00Pivots; Pivotal connections (arrangements of steering linkage connections B62D 7/16)

11/

02.Trunnions; Crank-pins (fastening crank-pins to webs, crank-pins integral with cranks F16C 3/06, F16C 3/22)

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)

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)

11/

08...with resilient bearings

11/

10..Arrangements for locking

11/

12..incorporating flexible connections, e.g. leaf springs


13/

00Rolls, 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

13/

02.Bearings

13/

04..Bearings with only partial enclosure of the member to be borne; Bearings with local support at two or more points

13/

06..self-adjusting


15/

00Construction of rotary bodies to resist centrifugal force (flywheels, correction weights F16F 15/30, F16F 15/32)


Bearings for rotary parts (F16C 9/00, F16C 13/02 take precedence; allowing for linear movement also F16C 31/00)


17/

00Sliding-contact bearings (F16C 32/06 takes precedence; adjustable bearings F16C 23/00, F16C 25/00) [2]

17/

02.for radial load only

17/

03..with tiltably-supported segments, e.g. Michell bearings

17/

04.for axial load only

17/

06..with tiltably-supported segments, e.g. Michell bearings

17/

08..for supporting the end face of a shaft or other member, e.g. footstep bearings

17/

10.for both radial and axial load

17/

12.characterised by features not related to the direction of the load

17/

14..specially adapted for operating in water

17/

18..with floating brasses or bushes, rotatable at a reduced speed

17/

20..with emergency supports or bearings

17/

22..with arrangements compensating for thermal expansion

17/

24..with devices affected by abnormal or undesired conditions, e.g. for preventing overheating, for safety

17/

26.Systems consisting of a plurality of sliding-contact bearings


19/

00Bearings with rolling contact (adjustable bearings F16C 23/00, F16C 25/00)

19/

02.with bearing balls essentially of the same size in one or more circular rows

19/

04..for radial load mainly

19/

06...with a single row of balls

19/

08...with two or more rows of balls

19/

10..for axial load mainly

19/

12...for supporting the end face of a shaft or other member, e.g. footstep bearings

19/

14..for both radial and axial load

19/

16...with a single row of balls

19/

18...with two or more rows of balls

19/

20..with loose spacing bodies, e.g. balls, between the bearing balls

19/

22.with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings

19/

24..for radial load mainly

19/

26...with a single row of rollers

19/

28...with two or more rows of rollers

19/

30..for axial load mainly

19/

32...for supporting the end face of a shaft or other member, e.g. footstep bearings

19/

34..for both radial and axial load

19/

36...with a single row of rollers

19/

38...with two or more rows of rollers

19/

40..with loose spacing bodies between the rollers

19/

44..Needle bearings

19/

46...with one row of needles

19/

48...with two or more rows of needles

19/

49.Bearings with both balls and rollers

19/

50.Other types of ball or roller bearings

19/

52.with devices affected by abnormal or undesired conditions

19/

54.Systems consisting of a plurality of bearings with rolling friction (spindle bearings F16C 35/08)

19/

55..with intermediate floating rings rotating at reduced speed

19/

56..in which the rolling bodies of one bearing differ in diameter from those of another

   F16C 21/00 - F16C 43/08  
 

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