GB951381A - Adjuster for internal shoe drum brakes - Google Patents

Adjuster for internal shoe drum brakes

Info

Publication number
GB951381A
GB951381A GB2106759A GB2106759A GB951381A GB 951381 A GB951381 A GB 951381A GB 2106759 A GB2106759 A GB 2106759A GB 2106759 A GB2106759 A GB 2106759A GB 951381 A GB951381 A GB 951381A
Authority
GB
United Kingdom
Prior art keywords
shoe
wedge
shoes
drum
difference
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
GB2106759A
Inventor
John Redvers Botterill
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 GB2106759A priority Critical patent/GB951381A/en
Publication of GB951381A publication Critical patent/GB951381A/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
    • F16D65/42—Slack adjusters mechanical non-automatic
    • F16D65/46—Slack adjusters mechanical non-automatic with screw-thread and nut
    • 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
    • F16D51/20—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 extending in opposite directions from their pivots
    • F16D51/24—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 extending in opposite directions from their pivots fluid actuated

Landscapes

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

Abstract

951,381. Internal shoe-drum brakes. GIRLING Ltd. Aug. 30, 1960 [June 19, 1959], No. 21067/59. Heading F2E. In an internal shoe drum brake in which arcuate shoes located within a rotating drum fulcrum about one end on an anchor on a stationary back plate for both directions of rotation of the drum and are urged apart at the other end by an hydraulic or mechanical actuator, the non-actuated ends of the shoes are separated for adjustment by a wedge 21 which is movable between the shoe ends and of which opposite sides or faces are inclined at different angles such that when the wedge is advanced, the leading shoe is adjusted through a greater distance than the trailing shoe so that substantially the same clearance is maintained between both shoes and the drum. The shoes fulcrum at their non-actuated ends on opposed coaxial tappets 16, 17 and the wedge 21 is adjustable by rotation of screw threaded stud 23 which is provided with a frusto-pyramidal form to advance the wedge and spread the non-actuated ends apart to compensate for wear of the brake lining. The side of the wedge having the greater inclination is that co-operating with the tappet on which the leading shoe fulcrums and the difference in the inclinations of the two sides is such that the difference in the distances through which the two shoe ends are moved by the adjuster is directly proportional to the difference in the rates of wear of the linings carried by the leading and trailing shoes respectively.
GB2106759A 1959-06-19 1959-06-19 Adjuster for internal shoe drum brakes Expired GB951381A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2106759A GB951381A (en) 1959-06-19 1959-06-19 Adjuster for internal shoe drum brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2106759A GB951381A (en) 1959-06-19 1959-06-19 Adjuster for internal shoe drum brakes

Publications (1)

Publication Number Publication Date
GB951381A true GB951381A (en) 1964-03-04

Family

ID=10156638

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2106759A Expired GB951381A (en) 1959-06-19 1959-06-19 Adjuster for internal shoe drum brakes

Country Status (1)

Country Link
GB (1) GB951381A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003046400A1 (en) * 2001-11-27 2003-06-05 Freni Brembo S.P.A. Duo-servo drum brake inside shoes adjusting device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003046400A1 (en) * 2001-11-27 2003-06-05 Freni Brembo S.P.A. Duo-servo drum brake inside shoes adjusting device
CN100339608C (en) * 2001-11-27 2007-09-26 弗雷尼布伦博公开有限公司 Duo-servo drum brake inside shoe adjusting device
US7703582B2 (en) 2001-11-27 2010-04-27 Freni Brembo S.P.A. Device for adjusting a dual-servo drum brake with internal shoes

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