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IPC 7
B61H-B61H01500

SECTION B – PERFORMING OPERATIONS; TRANSPORTING


B 61RAILWAYS


B 61 HBRAKES OR OTHER RETARDING APPARATUS PECULIAR TO RAIL VEHICLES; ARRANGEMENTS OR DIS-POSITIONS OF BRAKES OR OTHER RETARDING APPARATUS IN RAIL VEHICLES (electrodynamic braking of vehicles B60L, in general H02K; arrangements in rail vehicles for adjusting wheel-braking force to meet varying vehicular or permanent-way conditions B60T 8/00; transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive, brake systems incorporating such transmitting means, e.g. air-pressure brake systems, B60T 13/00; construction, arrangement, or operation of valves incorporated in power brake systems B60T 15/00; component parts, details, or accessories of brake systems B60T 17/00; brakes in general F16D)


Subclass Index

BRAKES ACTING ON TRACK; BRAKES FOR SPECIAL PURPOSES 

B61H 7/00; B61H 9/00 

ARRANGEMENTS OF BRAKES 

Acting on wheels 

B61H 1/00, B61H 3/00, B61H 5/00 

Other arrangements, combinations 

B61H 11/00 

ACTUATION 

B61H 13/00 

COMPENSATING FOR WEAR 

B61H 15/00 



1/

00Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like (self-applying brakes B61H 11/02; combinations of different types of brakes B61H 11/14; wheels B60B)


3/

00Applications or arrangements of brakes with an outwardly-movable braking member or members co-operating with the inner surface of a drum or the like (self-applying brakes B61H 11/02; combinations of different types of brakes B61H 11/14)


5/

00Applications or arrangements of brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes (self-applying brakes B61H 11/02; combinations of different types of brakes B61H 11/14)


7/

00Brakes with braking members co-operating with the track (positive railway stops or track brakes secured to permanent way B61K 7/00)

7/

02.Scotch-blocks, skids, or like track-engaging shoes

7/

04..attached to railway vehicles

7/

06...Skids

7/

08....electromagnetically operated

7/

10..unattached

7/

12.Grippers co-operating frictionally with tracks


9/

00Brakes characterised by, or modified for, their application to special railway systems or purposes

9/

02.for aerial, e.g. rope, railways

9/

04.for preventing or controlling movement in one direction or, selectively, in either direction

9/

06.for storing energy during braking action


11/

00Applications or arrangements of braking or retarding apparatus not otherwise provided for; Combinations of apparatus of different kinds or types

11/

02.of self-applying brakes

11/

04..with brake-applying force derived from rotation of axle

11/

06.of hydrostatic, hydrodynamic, or aerodynamic brakes

11/

08..comprising a pump or the like circulating fluid, braking being effected by throttling of the circulation

11/

10..Aerodynamic brakes with control flaps, e.g. spoilers, attached to the vehicles

11/

14.Combinations of different types of brakes, e.g. brake blocks acting on wheel-rim combined with disc brakes

11/

16.Removable self-contained brake units


13/

00Actuating rail-vehicle brakes (self-applying brakes B61H 11/02; wear-compensating mechanisms B61H 15/00)

13/

02.Hand or other personal actuation

13/

04..by mechanisms incorporating toothed gearing

13/

06.Actuating or influencing the brakes by backward- pressure of buffers or coupling gear, e.g. buffer brakes

13/

20.Transmitting mechanisms (wear-compensating mechanisms B61H 15/00)

13/

22..for braking a single wheel or wheels at one side only, e.g. for locomotives or motor railcars

13/

24..for cars with two axles or bogies with two axles and braking cylinder(s) for each bogie, the mechanisms at each side being interconnected

13/

26..for cars or bogies with more than two axles or bogies, the mechanisms at each side being interconnected

13/

28..with variable leverage or mechanical advantage to obtain quick take-up

13/

30..adjustable to take account of variation of vehicle weight (arrangements for adjusting wheel-braking force in response to vehicle weight or load B60T 8/18)

13/

32...by varying brake lever leverage

13/

34.Details

13/

36..Beams; Suspension thereof

13/

38..Suspension of transmitting mechanisms (B61H 13/36 takes precedence)


15/

00Wear-compensating mechanisms, e.g. slack adjusters


  
 

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