IPC 6 English version
 
 
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:

 A 01 B 71/04 Bearings for agricultural machines

 B 21 B 31/07 Adaptation of roll bearings for metal-rolling mills

 B 23 Q 1/25 Bearings for movable or adjustable work or tool supports

 B 61 C 17/10 Connecting-rods, bearings for driving wheels of railway locomotives

 B 61 F 15/00 Axle-boxes for railway vehicles

 B 62 K 21/06 Bearings for steering heads

 E 06 B 9/174, E 06 B 9/50 Bearings specially adapted for roller shutters or for roller blinds

 E 21 B 10/22 Bearings for drill bits

 F 01 C 21/02 Arrangement of bearings in rotary-piston machines or engines

 F 01 D 25/16 Arrangement of bearings in non-positive displacement machines or engines

 F 02 C 7/06 Arrangement of bearings in gas-turbine plants

 G 01 C 19/16 Bearings for gyroscopes

 G 01 D 11/02 Bearings or suspensions for moving parts of measuring instruments

 G 01 G 21/02 Arrangements of bearings in weighing apparatus

 G 01 R 1/10 Arrangements of bearings in instruments for measuring electric variables

 G 01 R 11/12 Arrangements of bearings for apparatus for measuring time integral of electric power or current

 G 02 C 5/22 Hinges for spectacles

 G 04 B 31/00 Bearings for clockwork

H 02 N 15/00 `Magnetic levitation devices. [5]



1/

00Flexible shafts (flexible shafts in dental machines for boring or cutting A 61 C 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 (F 16 C 1/04 takes precedence; guiding-sheathings F 16 C 1/26)

1/

08..End connections

1/

10.Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms" (guiding-sheathings F 16 C 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 F 16 C 1/00; marine propeller shafts, paddle wheel shafts B 63 H 23/34); Axles; Cranks; Eccentrics

3/

02.Shafts; Axles

3/

03..telescopic (axially displaceable couplings F 16 D 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 F 16 C 3/14, to cooling F 16 C 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 F 16 C 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 F 16 C 7/04)

3/

28...Adjustable cranks or eccentrics (adjustable crank mechanisms F 16 H 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, F 16 J 7/00)


7/

00Connecting-rods or like links pivoted at both ends (coupling-rods for locomotive driving-wheels B 61 C; inhibiting shift in gearing during unfavourable conditions F 16 H 61/16); Construction of connecting-rod heads (heads rigid with crossheads F 16 C 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 F 16 C 3/14; connections to crossheads F 16 C 5/00, to pistons F 16 J 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 F 16 C 25/00)


11/

00Pivots; Pivotal connections (arrangements of steering linkage connections B 62 D 7/16)

11/

02.Trunnions; Crank-pins (fastening crank-pins to webs, crank-pins integral with cranks F 16 C 3/06, F 16 C 3/22)

11/

04.Pivotal connections (hinges for doors, windows or wings E 05 D; rubber springs with stiff outer sleeve and inner sleeve or pin F 16 F 1/38)

11/

06..Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints (for transmitting rotary motion F 16 D 3/00; supports for apparatus with ball-joint heads F 16 M 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 B 65 H 27/00; calender rolls, bearings therefor D 21 G 1/02; pulleys F 16 H 55/00; rotary drums or rollers for heat-exchange or heat-transfer apparatus F 28 F 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 F 16 F 15/30, F 16 F 15/32)


Bearings for rotary parts (F 16 C 9/00, F 16 C 13/02 take precedence; allowing for linear movement also F 16 C 31/00)


17/

00Sliding-contact bearings (F 16 C 32/06 takes precedence; adjustable bearings F 16 C 23/00, F 16 C 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 F 16 C 23/00, F 16 C 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 F 16 C 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