(0)F16F:0/2:
IPC6
SECTION F - MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS;BLASTING
SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
F16F
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F 16 F

 SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
 

Notes

(1)

 This subclass covers:
 

-

 springs, shock-absorbers or vibration-dampers;
 

-

 their arrangement in, or adaptation for, particular apparatus, if not provided for in the subclasses covering said apparatus. [5]

(2)

 This subclass does not cover the arrangement or adaptation of springs, shock-absorbers or vibration-dampers in, or for, particular apparatus, if provided for in the subclasses concerning the said apparatus, e.g.
 

A 47 C 23/00 to A 47 C 27/00

Spring mattresses
 

A 63 C 5/075

Vibration dampers in skis
 

B 60 G

Vehicle suspensions
 

B 60 R 19/24

Mounting of bumpers on vehicles
 

B 61 F

Rail vehicle suspensions
 

B 61 G 11/00

Buffers for railway or tramway vehicles
 

B 62 D 21/15

Vehicle chassis frames having impact absorbing means
 

B 62 J 1/02

Resiliently mounted saddles on cycles
 

B 62 K 21/08

Steering dampers
 

B 63 H 1/15

Marine propellers having vibration-damping means
 

B 63 H 21/30

Anti-vibration mounting of marine propulsion plant in ships
 

B 64 C 25/58

Arrangement of shock-absorbers or springs in aeroplane alighting gear
 

B 65 D 81/02

Containers, packing elements or packages with shock-absorbing means
 

D 06 F 37/20

Resilient mountings in washing machines
 

D 06 F 49/06

Resilient mountings in domestic spin-dryers
 

F 03 G 1/00

Spring motors
 

F 21 V 15/04

Resilient mounting of lighting devices
 

F 41 A 25/00

Gun cradles to permit recoil
 

F 41 B 5/20

Vibration dampers for archery bows
 

G 01 D 11/00

Indicating or recording in connection with measuring
 

G 01 G 21/10

Weighing apparatus, e.g. arrangement of shock-absorbers in weighing apparatus
 

G 04 B

Clocks, watches
 

G 12 B 3/08

Damping of movements in instruments
 

G 21 C 7/20

Disposition of shock-absorbing devices for displacable control elements in nuclear reactors.

 

 

 
 

 1
/ 00 Springs (working with fluid F 16 F 5/00, F 16 F 9/00)

1
/ 02 • made of steel or other material having low internal friction (F 16 F 1/36 takes precedence); Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant [6]  

1
/ 04 • • Wound springs  

1
/ 06 • • • with turns lying in cylindrical surfaces  

1
/ 08 • • • with turns lying in mainly conical surfaces  

1
/ 10 • • • Spiral springs with turns lying substantially in plane surfaces  

1
/ 12 • • • Attachments or mountings  

1
/ 13 • • • • comprising inserts or spacers between the windings for changing the mechanical or physical characteristics of the spring [6]  

1
/ 14 • • Torsion springs consisting of bars or tubes  

1
/ 16 • • • Attachments or mountings  

1
/ 18 • • Leaf springs  

1
/ 20 • • • with layers, e.g. anti-friction layers, or with rollers between the leaves  

1
/ 22 • • • with means for modifying the spring characteristic  

1
/ 24 • • • Lubrication; Covers, e.g. for retaining lubricant  

1
/ 26 • • • Attachments or mountings (B 60 G 11/10 takes precedence) [5]  

1
/ 28 • • • • comprising cylindrical metal pins pivoted in close-fitting sleeves  

1
/ 30 • • • • comprising intermediate pieces made of rubber or similar elastic material  

1
/ 32 • • Cup springs; Dished disc springs (diaphragms F 16 J 3/00)  

1
/ 34 • • Ring springs, i.e. annular bodies deformed radially due to axial load  

1
/ 36 • made of plastics, e.g. rubber; made of material having high internal friction  

1
/ 362 • • made of steel wool or compressed hair [6]  

1
/ 364 • • made of cork, wood or the like material [6]  

1
/ 366 • • made of fibre reinforced plastics [6]  

1
/ 368 • • • Leaf springs [6]  

1
/ 37 • • of foam-like material, e.g. sponge rubber  

1
/ 371 • • characterised by inserts or auxiliary extension elements, e.g. for rigidification (F 16 F 1/366, F 16 F 1/387 take precedence) [6]  

1
/ 373 • • characterised by having a particular shape [6]  

1
/ 374 • • • having a spherical or the like shape [6]  

1
/ 376 • • • having projections, studs, serrations or the like on at least one surface (F 16 F 1/387 takes precedence) [6]  

1
/ 377 • • • having holes or openings (F 16 F 1/387 takes precedence) [6]  

1
/ 379 • • characterised by arrangements for regulating the spring temperature, e.g. by cooling [6]  

1
/ 38 • • with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin  

1
/ 387 • • • comprising means for modifying the rigidity in particular directions [6]  

1
/ 393 • • • with spherical or conical sleeves [6]  

1
/ 40 • • consisting of a stack of similar elements separated by non-elastic intermediate layers  

1
/ 41 • • • the spring consisting of generally conically arranged elements [6]  

1
/ 42 • • characterised by the mode of stressing  

1
/ 44 • • • loaded mainly in compression  

1
/ 46 • • • loaded mainly in tension  

1
/ 48 • • • loaded mainly in torsion  

1
/ 50 • • • loaded mainly in shear  

1
/ 52 • • • loaded in combined stresses  

1
/ 54 • • • • loaded in compression and shear  
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