GB1256713A - - Google Patents

Info

Publication number
GB1256713A
GB1256713A GB1256713DA GB1256713A GB 1256713 A GB1256713 A GB 1256713A GB 1256713D A GB1256713D A GB 1256713DA GB 1256713 A GB1256713 A GB 1256713A
Authority
GB
United Kingdom
Prior art keywords
yoke
shoe
pair
brake
shoes
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of GB1256713A publication Critical patent/GB1256713A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/2245—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members in which the common actuating member acts on two levers carrying the braking members, e.g. tong-type brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H5/00—Applications or arrangements of brakes with substantially radial braking surfaces pressed together in axial direction, e.g. disc brakes

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

1,256,713. Disc brakes. GIRLING Ltd. 10 April, 1969 [11 April, 1968; 30 Oct., 1968], Nos. 17716/68 and 51449/68. Heading F2E. A railway vehicle disc brake comprises a yoke 114, 134, a pair of opposed caliper levers 128 pivotally mounted on the yoke, a pair of brake shoes 126 one pivotally mounted at the inner end of each lever, an actuating motor 136 for separating the outer ends of the levers to move the shoes towards each other, whereby in use the shoes can be applied to opposite sides of a brake rotor comprising a disc or discs D mounted for rotation with a wheel W of the vehicle, and a suspension link H for each shoe, each link being pivotally connected at one end to its shoe 126 and at its other end to a rigid support structure and serving in use to resist pivotal movement of the shoe about its pivotal connection with the caliper lever, relative to the brake rotor. The rigid support structure 118 is fast with the yoke and resilient suspension means are provided for mounting the yoke on a railway vehicle frame 104 in a manner accommodating some misalignment between the vehicle frame and the brake rotor without any substantial corresponding reaction being transmitted back to the vehicle frame during braking. As shown, brackets 100, 102 secured to the frame 104 carry a mounting block 108 disposed between plates 106 and apertured for the reception of spherical rubber bushes 110, Fig. 3, through which extend bolts 112. Arms 118 to which the links H are attached are secured to the block. The actuator 136 incorporates a slack adjuster 138. In a modification, Fig. 4 (not shown), the yoke is supported for angular movement about an axis extending generally radially of the rotor by means of a pivot pin coupling the yoke to a mounting structure rigid with the frame 104, and a resilient force tending to maintain the yoke in a central angular position is provided by a pair of spring assemblies disposed on opposite sides of the pin and each acting between the yoke and mounting structure.
GB1256713D 1968-04-11 1968-04-11 Expired GB1256713A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1771668 1968-04-11

Publications (1)

Publication Number Publication Date
GB1256713A true GB1256713A (en) 1971-12-15

Family

ID=10099971

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1256713D Expired GB1256713A (en) 1968-04-11 1968-04-11

Country Status (1)

Country Link
GB (1) GB1256713A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050888A1 (en) * 1980-10-16 1982-05-05 Sab Industri Ab Suspension means for a rail vehicle disc brake unit
EP0085252A1 (en) * 1982-01-12 1983-08-10 Automotive Products Public Limited Company A disc brake and vehicle axle assembly and a disc brake caliper assembly

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0050888A1 (en) * 1980-10-16 1982-05-05 Sab Industri Ab Suspension means for a rail vehicle disc brake unit
US4454932A (en) * 1980-10-16 1984-06-19 Sab Industri Ab Suspension means for a rail vehicle disc brake unit
EP0085252A1 (en) * 1982-01-12 1983-08-10 Automotive Products Public Limited Company A disc brake and vehicle axle assembly and a disc brake caliper assembly

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years