GB750279A - Improvements in internal shoe drum brakes - Google Patents

Improvements in internal shoe drum brakes

Info

Publication number
GB750279A
GB750279A GB33917/54A GB3391754A GB750279A GB 750279 A GB750279 A GB 750279A GB 33917/54 A GB33917/54 A GB 33917/54A GB 3391754 A GB3391754 A GB 3391754A GB 750279 A GB750279 A GB 750279A
Authority
GB
United Kingdom
Prior art keywords
shoe
drum
nov
pivot
brake
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
GB33917/54A
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.)
LOUIS CHARLES BRISSON
Original Assignee
LOUIS CHARLES BRISSON
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 LOUIS CHARLES BRISSON filed Critical LOUIS CHARLES BRISSON
Publication of GB750279A publication Critical patent/GB750279A/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
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/46—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action
    • F16D51/66—Self-tightening brakes with pivoted brake shoes, i.e. the braked member increases the braking action an actuated brake-shoe being carried along and thereby engaging a member for actuating another brake-shoe

Landscapes

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

Abstract

750,279. Internal shoe-drum brakes. BRISSON, L. C. Nov. 23, 1954 [Nov. 23, 1953; Nov. 24, 1953], No. 33917/54. Class 103 (1). In an internal shoe-drum brake, as shown in Fig. 1, a primary shoe 18 is applied by an hydraulic actuator 15 so that, if the drum rotation is normal as indicated by the arrow, the shoe and actuator 15 tend to be carried circumferentially thus rotating a shoe carrier 13 so as, through member 11, to pivot a member 6 about a fixed pivot 4 and thus, by engagement of a pin 28 with the end of a lever 25, to pivot the latter about a fixed pin 21 and apply a braking force to one end of secondary shoe 29 through a block 27, the other end of shoe 29 being anchored on a block 23. It is stated that this arrangement provides a substantially constant torque effort despite variations in the coefficient of friction. Fig. 4 shows a similarly operated brake but using two secondary shoes in addition to the primary shoe and, for reverse rotation of the drum, the two secondary shoes 29 and 291 are applied, on movement of carrier member 13, by levers 25 and 25<SP>1</SP> so as to anchor on their end pivots. Another form of the brake having similar characteristics for forward drum rotation only is also described. Specifications 728,864 and 737,934 are referred to.
GB33917/54A 1953-11-23 1954-11-23 Improvements in internal shoe drum brakes Expired GB750279A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR750279X 1953-11-23

Publications (1)

Publication Number Publication Date
GB750279A true GB750279A (en) 1956-06-13

Family

ID=9150467

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33917/54A Expired GB750279A (en) 1953-11-23 1954-11-23 Improvements in internal shoe drum brakes

Country Status (1)

Country Link
GB (1) GB750279A (en)

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