GB963100A - A hydraulic internal shoe-drum brake - Google Patents

A hydraulic internal shoe-drum brake

Info

Publication number
GB963100A
GB963100A GB1436263A GB1436263A GB963100A GB 963100 A GB963100 A GB 963100A GB 1436263 A GB1436263 A GB 1436263A GB 1436263 A GB1436263 A GB 1436263A GB 963100 A GB963100 A GB 963100A
Authority
GB
United Kingdom
Prior art keywords
shoe
brake
adjuster
pin
tube
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
GB1436263A
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.)
Deutsche Perrot Bremse GmbH
Original Assignee
Deutsche Perrot Bremse GmbH
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 Deutsche Perrot Bremse GmbH filed Critical Deutsche Perrot Bremse GmbH
Publication of GB963100A publication Critical patent/GB963100A/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
    • F16D65/00—Parts or details
    • F16D65/38—Slack adjusters
    • F16D65/40—Slack adjusters mechanical
    • F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play
    • F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment
    • F16D65/546—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment for mounting within the confines of a drum brake
    • 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
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
    • F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
    • 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
    • F16D65/00—Parts or details
    • F16D65/38—Slack adjusters
    • F16D65/40—Slack adjusters mechanical
    • F16D65/52—Slack adjusters mechanical self-acting in one direction for adjusting excessive play

Landscapes

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

Abstract

963,100. Internal shoe - drum brakes. DEUTSCHE PERROT-BREMSE G.m.b.H. April 10, 1963 [April 13, 1962], No. 14362/63. Heading F2E. An hydraulic internal shoe-drum brake comprises two brake shoes 6, 7, each bearing at one of their ends against a projection on the back plate or on a brake shoe carrier 4, 5 on the back plate and being adapted to be expanded at their other ends by means of an hydraulic actuator 3. The brake shoes are interconnected at the ends near the actuator 3 by an automatic slack adjuster 9, 10 and their other ends take the form of thrust elements 16 between which is a floating mechanical expanding device 17. As shown, a second automatic slack adjuster is provided between a pin 12 on the back plate and a pin 14 on the shoe 6, both adjusters comprising a slotted and internally-toothed tube engaged by a rod disposed internally of the tube and having matching teeth. The adjuster 9, 10 is connected between the shoe ends with clearance and a spring 11 abuts one side of the tube 9 to prevent the adjuster from rattling. A gearing 15 is disposed between the pins 12, 14. The mechanical actuating cam 17 floats on a radial rib provided on the head of a rotatable brake shaft and acts to spread the thrust elements 16 apart. In this case since the adjuster 9, 10 is strong enough to transmit the forces produced and the cam 17 is floating the brake acts as a servo-brake and to ensure freedom of movement of the shoe 6 a compression spring 25 is placed over the slotted tube of the second adjuster and bears against a pin 26 therethrough and the pin 12.
GB1436263A 1962-04-13 1963-04-10 A hydraulic internal shoe-drum brake Expired GB963100A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0038678 1962-04-13

Publications (1)

Publication Number Publication Date
GB963100A true GB963100A (en) 1964-07-08

Family

ID=7044263

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1436263A Expired GB963100A (en) 1962-04-13 1963-04-10 A hydraulic internal shoe-drum brake

Country Status (1)

Country Link
GB (1) GB963100A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648882A1 (en) * 1989-06-24 1990-12-28 Teves Gmbh Alfred AUTOMATIC RATTRAPAGE ARRANGEMENT FOR A DUO-SERVO DRUM BRAKE
GB2560755A (en) * 2017-03-24 2018-09-26 Trw Ltd Drum brake

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2648882A1 (en) * 1989-06-24 1990-12-28 Teves Gmbh Alfred AUTOMATIC RATTRAPAGE ARRANGEMENT FOR A DUO-SERVO DRUM BRAKE
US5158160A (en) * 1989-06-24 1992-10-27 Alfred Teves Gmbh Automatic adjusting apparatus for a duo-servo drum brake
GB2560755A (en) * 2017-03-24 2018-09-26 Trw Ltd Drum brake
GB2560755B (en) * 2017-03-24 2022-09-14 Trw Ltd Drum brake

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