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GB638332A - A new or improved braking system for road vehicles - Google Patents

A new or improved braking system for road vehicles

Info

Publication number
GB638332A
GB638332A GB150048A GB150048A GB638332A GB 638332 A GB638332 A GB 638332A GB 150048 A GB150048 A GB 150048A GB 150048 A GB150048 A GB 150048A GB 638332 A GB638332 A GB 638332A
Authority
GB
United Kingdom
Prior art keywords
rod
brake
master cylinder
operating
balance lever
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
GB150048A
Inventor
Thomas Kemp Mace
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Girling Ltd
Original Assignee
Girling Ltd
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 by Girling Ltd filed Critical Girling Ltd
Priority to GB150048A priority Critical patent/GB638332A/en
Publication of GB638332A publication Critical patent/GB638332A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T13/00—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
    • B60T13/02—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 with mechanical assistance or drive

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

638,332. Operating brakes. GIRLING, Ltd. Jan. 17, 1948, No. 1500. [Class 103 (i)] A braking system for road vehicles comprises in combination an hydraulic master cylinder 13, a brake drum 15 mounted on the propeller shaft or other rotating member forming part of, or driven by the vehicle transmission, brake shoes co-operating with the drum and mounted on an angularly movable backplate having a radially projecting torque arm 19, shoe-spreading means coupled to one end of a balance lever 21 actuated by a brake pedal 23, linkage 25, 26 connecting the other end of the balance lever 21 to a rod 28 for operating the piston of the master cylinder 13, and bellcranks 29, 30 connected to the rod 28 and adapted to receive through said torque arm 19 the torque reaction of the back-plate of the transmission brake to apply an axial force to the rod 28 to augment,the pressure applied to the piston of the master cylinder by the pedal. By using two bell-cranks 29, 30 it is arranged that the augmenting force on the rod 28 shall be in the same direction whatever may be the direction of rotation of the shaft 16. A hand lever 31 connected by a lost motion member 32 may be used to actuate the transmission brake 18, stops 36, 37 limiting the movement of the arm 19 when it is used as a parking brake. Stops 33, 34 are provided to limit the movement of the balance lever 21, in the event of failure of either linkage connecting it to the rod 28.
GB150048A 1948-01-17 1948-01-17 A new or improved braking system for road vehicles Expired GB638332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB150048A GB638332A (en) 1948-01-17 1948-01-17 A new or improved braking system for road vehicles

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB150048A GB638332A (en) 1948-01-17 1948-01-17 A new or improved braking system for road vehicles

Publications (1)

Publication Number Publication Date
GB638332A true GB638332A (en) 1950-06-07

Family

ID=9723072

Family Applications (1)

Application Number Title Priority Date Filing Date
GB150048A Expired GB638332A (en) 1948-01-17 1948-01-17 A new or improved braking system for road vehicles

Country Status (1)

Country Link
GB (1) GB638332A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044580A (en) * 1957-04-17 1962-07-17 Dunlop Rubber Co Braking system
US3167158A (en) * 1961-08-23 1965-01-26 Rockwell Standard Co Automatic brake system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3044580A (en) * 1957-04-17 1962-07-17 Dunlop Rubber Co Braking system
US3167158A (en) * 1961-08-23 1965-01-26 Rockwell Standard Co Automatic brake system

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