GB688019A - Improvements in or relating to vehicle brakes of the internal shoe drum type - Google Patents

Improvements in or relating to vehicle brakes of the internal shoe drum type

Info

Publication number
GB688019A
GB688019A GB2771151A GB2771151A GB688019A GB 688019 A GB688019 A GB 688019A GB 2771151 A GB2771151 A GB 2771151A GB 2771151 A GB2771151 A GB 2771151A GB 688019 A GB688019 A GB 688019A
Authority
GB
United Kingdom
Prior art keywords
shoes
drum
bell
shoe
cranks
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
GB2771151A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2771151A priority Critical patent/GB688019A/en
Publication of GB688019A publication Critical patent/GB688019A/en
Expired legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D51/00Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/08Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as an expansible fluid-filled flexible member

Landscapes

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

Abstract

688,019. Internal shoe-drum brakes. HIERONYMI, B. Nov. 26, 1951. No. 27711/51. Class 103 (i). In an internal shoe-drum brake having shoes 3 applied to the drum 1 by an annular expansible actuator 4, each end of each shoe has a circumferential slot 14 within which slide projections 13 on arms 11 of bell-cranks 9 pivoted on pins 8 extending between the fixed back plate 5 and a disc 6, guiding the shoes laterally. The other arm 10 of the bell-cranks 9 extends substantially radially and engages a radially extending surface 12 on the shoe. When the shoes are engaged with the drum 1 by the actuator 4, they tend to move circumferentially according to the direction of drum rotation. The surface 12 acting on arm 10 rotates the bell-crank so as to cause the projections 13 to press the shoes into tighter engagement with the brake drum. Springs 15 disposed between connections on the bell-cranks and the shoe rims have a return action on the bell-cranks. The shoes are guided laterally by their ends extending through slots 17 in arcuate plates 19. The plates 19 carry one-way mechanisms comprising ratchettoothed pins 20 and resilient locking members 22 which act as automatic clearance adjusters for the shoes.
GB2771151A 1951-11-26 1951-11-26 Improvements in or relating to vehicle brakes of the internal shoe drum type Expired GB688019A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2771151A GB688019A (en) 1951-11-26 1951-11-26 Improvements in or relating to vehicle brakes of the internal shoe drum type

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2771151A GB688019A (en) 1951-11-26 1951-11-26 Improvements in or relating to vehicle brakes of the internal shoe drum type

Publications (1)

Publication Number Publication Date
GB688019A true GB688019A (en) 1953-02-25

Family

ID=10264054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2771151A Expired GB688019A (en) 1951-11-26 1951-11-26 Improvements in or relating to vehicle brakes of the internal shoe drum type

Country Status (1)

Country Link
GB (1) GB688019A (en)

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