GB621335A - Improvements relating to brakes - Google Patents

Improvements relating to brakes

Info

Publication number
GB621335A
GB621335A GB476547A GB476547A GB621335A GB 621335 A GB621335 A GB 621335A GB 476547 A GB476547 A GB 476547A GB 476547 A GB476547 A GB 476547A GB 621335 A GB621335 A GB 621335A
Authority
GB
United Kingdom
Prior art keywords
brake
drum
shoe
stop member
clearance
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
GB476547A
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 GB476547A priority Critical patent/GB621335A/en
Publication of GB621335A publication Critical patent/GB621335A/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

Landscapes

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

Abstract

621,335. Automatically adjusting brakes. PRATT, J. H., and MANLEY, G. E. Feb. 19, 1947, No. 4765. [Class 103 (i)] A device, whereby a predetermined clearance between the friction surface of a brake and the drum on which it acts, when the brake is in the " off " position, may be maintained substantially constant despite the wearing away of the friction lining 12, comprises a stop member 14 having at its outer end a phunger part which is of a material substantially harder than the friction lining and which contacts the drum, and at its inner end a cranked part 14d, which by bearing against an abutment 19a rigid with the back plate so cants the member 14 that a very high frictional resistance to further movement is produced between the sides of a slot 14a in the stop member and the rectangular section part 13a of a pin 13 passing through it. The pin 13 is secured to the web of the brake shoe by a nut 18 and has on it above the member 14 a friction washer 15 under the compression of a spring 17, so that when the brake is applied the stop member moves out with the brake shoe web until the plunger part contacts the drum, but as the brake lining wears away the stop member is pressed in relative to the shoe by the brake drum, thereby maintaining a fixed clearance when the shoe is fully retracted. The fixed abutment 19a is in the form of a conical plug that may be screwed in or out of the back plate 6 to provide fixed adjustments of the brake shoe clearance.
GB476547A 1947-02-19 1947-02-19 Improvements relating to brakes Expired GB621335A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB476547A GB621335A (en) 1947-02-19 1947-02-19 Improvements relating to brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB476547A GB621335A (en) 1947-02-19 1947-02-19 Improvements relating to brakes

Publications (1)

Publication Number Publication Date
GB621335A true GB621335A (en) 1949-04-07

Family

ID=9783368

Family Applications (1)

Application Number Title Priority Date Filing Date
GB476547A Expired GB621335A (en) 1947-02-19 1947-02-19 Improvements relating to brakes

Country Status (1)

Country Link
GB (1) GB621335A (en)

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