GB987614A - Improvements in shoe drum brakes - Google Patents

Improvements in shoe drum brakes

Info

Publication number
GB987614A
GB987614A GB33954/61A GB3395461A GB987614A GB 987614 A GB987614 A GB 987614A GB 33954/61 A GB33954/61 A GB 33954/61A GB 3395461 A GB3395461 A GB 3395461A GB 987614 A GB987614 A GB 987614A
Authority
GB
United Kingdom
Prior art keywords
actuator
lever
abutments
shoe
shoes
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
GB33954/61A
Inventor
Frederick Thomas Riddy
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 GB33954/61A priority Critical patent/GB987614A/en
Priority to US225718A priority patent/US3160236A/en
Publication of GB987614A publication Critical patent/GB987614A/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
    • F16D65/56—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut
    • F16D65/561—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake
    • F16D65/565—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting within the confines of a drum brake arranged diametrically opposite to service brake actuator, and subjected to service brake force
    • 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
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
    • F16D65/09—Pivots or supporting members therefor

Abstract

987,614. Internal shoe-drum brakes. GIRLING Ltd. Sept. 21, 1962 [Sept. 22, 1961], No. 33954/61. Heading F2E. A shoe drum brake in which arcuate shoes in a rotatable drum are urged apart at one end by an actuator and their other ends engage a fixed abutment is provided with an automatic adjusting device which comprises a lever 12 engaged at one end by a thrust member (not shown) of the actuator 4 that actuates one of the shoes 2 and connected at its other end to an arm 15 for adjusting the position of the abutment of at least that shoe, the lever being pivoted directly or indirectly to the backplate 1 at an intermediate point 11 in its length. The abutments for the two shoes are in a housing 3 secured to the back plate. Indirect pivoting of the lever 12 is used when the actuator 4 is floating and is achieved by an arcuate link 10 that extends between a pivot pin 7 on the actuator and a pivot pin 9 on the abutment housing. When the brake lining wears the lever 12 turns sufficiently, when acted on by the thrust member of the actuator, to move the arm 15 far enough to cause a ring 16, from which it projects and which forms a ratchet device, to separate the abutments by an amount which compensates for the increased clearance. A screw with a conical end between the inner ends of the abutments may be incorporated, for manual adjustment. On release of the brake the lever 12 is returned by a spring 23.
GB33954/61A 1961-09-22 1961-09-22 Improvements in shoe drum brakes Expired GB987614A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB33954/61A GB987614A (en) 1961-09-22 1961-09-22 Improvements in shoe drum brakes
US225718A US3160236A (en) 1961-09-22 1962-09-24 Shoe drum brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB33954/61A GB987614A (en) 1961-09-22 1961-09-22 Improvements in shoe drum brakes

Publications (1)

Publication Number Publication Date
GB987614A true GB987614A (en) 1965-03-31

Family

ID=10359534

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33954/61A Expired GB987614A (en) 1961-09-22 1961-09-22 Improvements in shoe drum brakes

Country Status (2)

Country Link
US (1) US3160236A (en)
GB (1) GB987614A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3221842A (en) * 1963-12-10 1965-12-07 Gen Motors Corp Brake adjuster
GB1132702A (en) * 1965-03-05 1968-11-06 Girling Ltd Improvements in and relating to vehicle drum brakes
US3999636A (en) * 1975-10-31 1976-12-28 Aspro, Incorporated Self-adjusting brake construction
PL2707622T3 (en) * 2011-05-13 2017-06-30 AL-KO Technology Austria GmbH Wheel brake

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1810628A (en) * 1929-05-24 1931-06-16 Robert W Stevens Automobile wheel brake
US1824552A (en) * 1929-11-18 1931-09-22 Khezarjian Alexander Vehicle brake
FR696182A (en) * 1930-05-27 1930-12-27 Advanced brake
FR723924A (en) * 1931-10-07 1932-04-18 Self-adjusting brake
US2132576A (en) * 1936-08-08 1938-10-11 Edward J Nachtwey Automatically adjustable brake
GB612360A (en) * 1946-05-21 1948-11-11 Spurgeon Jenkins Improvements in or relating to adjusting means for brake shoes
US2762463A (en) * 1953-12-23 1956-09-11 Gen Motors Corp Automatic wear adjustment for brakes
US3034602A (en) * 1960-07-21 1962-05-15 Gen Motors Corp Automatic brake adjuster
US3074514A (en) * 1961-03-20 1963-01-22 Bendix Corp Automatic adjuster

Also Published As

Publication number Publication date
US3160236A (en) 1964-12-08

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