GB1084413A - Improvements in or relating to internal shoe-drum brakes - Google Patents

Improvements in or relating to internal shoe-drum brakes

Info

Publication number
GB1084413A
GB1084413A GB52569/64A GB5256964A GB1084413A GB 1084413 A GB1084413 A GB 1084413A GB 52569/64 A GB52569/64 A GB 52569/64A GB 5256964 A GB5256964 A GB 5256964A GB 1084413 A GB1084413 A GB 1084413A
Authority
GB
United Kingdom
Prior art keywords
shoe
adjusting lever
strut
brake
slot
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
GB52569/64A
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.)
Bendix Corp
Original Assignee
Bendix Corp
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 Bendix Corp filed Critical Bendix Corp
Publication of GB1084413A publication Critical patent/GB1084413A/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

1,084,413. Internal shoe-drum brakes. BENDIX CORPORATION. Dee. 28, 1964 [Jan. 6, 1964], No. 52569/64. Heading F2E. In an internal shoe-drum brake having a pair of brake shoes 12, 14 with one pair of adjacent shoe ends connected to an hydraulic brake actuator 30, the other pair of adjacent shoe ends being mounted on an anchoring means 32 carried by the stationary back plate 10, an adjusting lever 40 is pivotally mounted on one of the brake shoes 12 and connected to the second shoe 14 by means of a strut 62 whereby the position of the brake shoes with respect of the rotatable drum 20 is adjusted by pivotal movement of the adjusting lever which is held in the adjusted position by means of a pawl 46 co-operating with teeth 44 on the adjusting lever, resilient means 74 and 80 being provided for urging the shoes into a release position and for maintaining an operating connection between the strut 62 and the second brake shoe 14 respectively, a lost motion being provided between the adjusting lever 40 and the strut 62 in order to enable a predetermined amount of shoe movement to take place prior to the pivoting of the adjusting lever 40 by the struts 62 so that when the shoes are spread apart beyond the predetermined amount the adjusting lever:40 is pivoted relative to the shoe 12 to assume a new position to adjust the release position of the brake shoes. The strut 62 has at each end thereof an open-ended slot 64, 66, one of which (66) receives the adjusting lever 40 and the web 22 of the shoe 12 which takes support on the closed end 78 of the slot through the intermediary of the adjusting lever and the other slot 64 receives the web 28 of the second .shoe 14. A projection 68 on the strut 62 extends into an opening 70 formed in the adjusting lever 40 and is spaced from the inner edge 72 of the opening opposite to the respective closed end 78 of the adjacent slot 66 and the projection for a distance corresponding to the lost motion. The end of the strut 62 associated with the second shoe 14 is connected to a mechanically actuated parking brake lever 54 pivotally mounted at 56 on the second shoe 14 and which takes support on the closed end of the slot 64 of the strut 62 through the intermediary of the mechanically actuated parking brake lever. A resilient member 34 is operatively connected to each of the brake shoe webs to hold the ends of the webs in engagement with the surfaces 36 and 38 of the anchoring means 32.
GB52569/64A 1964-01-06 1964-12-28 Improvements in or relating to internal shoe-drum brakes Expired GB1084413A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US33596264A 1964-01-06 1964-01-06

Publications (1)

Publication Number Publication Date
GB1084413A true GB1084413A (en) 1967-09-20

Family

ID=23313982

Family Applications (1)

Application Number Title Priority Date Filing Date
GB52569/64A Expired GB1084413A (en) 1964-01-06 1964-12-28 Improvements in or relating to internal shoe-drum brakes

Country Status (6)

Country Link
BR (1) BR6465656D0 (en)
DE (1) DE1505353C3 (en)
ES (1) ES307839A1 (en)
FR (1) FR1419377A (en)
GB (1) GB1084413A (en)
SE (1) SE316959B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3148566A1 (en) * 1980-12-30 1982-09-02 Lucas Industries Ltd., Birmingham, West Midlands INNER JAW DRUM BRAKE
GB2116656A (en) * 1982-03-16 1983-09-28 Automotive Products Plc Internal shoe drum brake assembly

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2315636A1 (en) * 1975-06-23 1977-01-21 Dba DRUM BRAKE
FR2348398A1 (en) * 1976-04-13 1977-11-10 Dba AUTOMATICALLY ADJUSTED DRUM BRAKE
DE2932340A1 (en) * 1979-08-09 1981-03-26 Itt Automotive Europe Gmbh, 60488 Frankfurt Self adjusting drum brake - has pressure rod engaging one shoe and bearing on cam rotatable on other with force intersecting cam centre
FR2610379B1 (en) * 1987-01-29 1989-04-21 Bendix France SELF-ADJUSTING DRUM BRAKE
FR2611011B1 (en) * 1987-02-12 1994-05-13 Bendix France HIGH TEMPERATURE LOCKED AUTOMATICALLY ADJUSTABLE DRUM BRAKE
DE3738088A1 (en) * 1987-11-10 1989-05-18 Teves Gmbh Alfred Drum brake
DE3920764C2 (en) * 1989-01-12 2000-09-28 Continental Teves Ag & Co Ohg Automatic adjustment device for a duo-servo drum brake
GB2233409B (en) * 1989-06-24 1993-06-30 Teves Gmbh Alfred Automatic adjusting apparatus for a duo-servo drum brake

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3148566A1 (en) * 1980-12-30 1982-09-02 Lucas Industries Ltd., Birmingham, West Midlands INNER JAW DRUM BRAKE
US4492289A (en) * 1980-12-30 1985-01-08 Lucas Industries Limited Internal shoe drum brake
GB2116656A (en) * 1982-03-16 1983-09-28 Automotive Products Plc Internal shoe drum brake assembly
EP0090511A1 (en) * 1982-03-16 1983-10-05 Automotive Products Public Limited Company Automatic adjuster for internal shoe drum brakes

Also Published As

Publication number Publication date
FR1419377A (en) 1965-11-26
DE1505353A1 (en) 1969-10-16
DE1505353B2 (en) 1974-04-25
BR6465656D0 (en) 1973-07-19
DE1505353C3 (en) 1974-11-21
ES307839A1 (en) 1965-05-01
SE316959B (en) 1969-11-03

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