GB747972A - Improvements in automatic adjusting devices for brakes - Google Patents

Improvements in automatic adjusting devices for brakes

Info

Publication number
GB747972A
GB747972A GB2014853A GB2014853A GB747972A GB 747972 A GB747972 A GB 747972A GB 2014853 A GB2014853 A GB 2014853A GB 2014853 A GB2014853 A GB 2014853A GB 747972 A GB747972 A GB 747972A
Authority
GB
United Kingdom
Prior art keywords
braking pressure
pins
frictional engagement
brakes
friction
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
GB2014853A
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.)
Dunlop Rubber Co Ltd
Original Assignee
Dunlop Rubber Co 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 Dunlop Rubber Co Ltd filed Critical Dunlop Rubber Co Ltd
Priority to GB2014853A priority Critical patent/GB747972A/en
Publication of GB747972A publication Critical patent/GB747972A/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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/228—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a separate actuating member for each side
    • 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
    • F16D65/54—Slack adjusters mechanical self-acting in one direction for adjusting excessive play by means of direct linear adjustment

Landscapes

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

Abstract

747,972. Automatic adjusting devices for brakes. DUNLOP RUBBER CO., Ltd., and BUTLER, H. J. June 11, 1954 [July 21, 1953], No. 20148/53. Class 103 (1). The invention concerns a modification to the invention described in Specification 738,034 which describes means for automatically adjusting brakes to compensate for wear of the friction members and also of means for moving the friction members a predetermined distance away from the rotatable braking member after each application of the brakes. In place of the solid pins secured at one end to backing plates, as described in the above Specification, elasticallydeformable pins 6 of cross-section illustrated in either Fig. 4 or Fig. 5 are secured at one end to backing plates 4 which each carry a pad of friction material 2 to engage the side surfaces of an annular disc. On each pin 6 is frictionally fitted a cylindrical sleeve 7 provided with an annular flange 8 which is normally seated on the shoulder 12 of the distance piece 11 and is capable of limited movement between the shoulder 12 and the annular member 10 seated on the step of the hole 9 which lies parallel to the cylinder of the fluid-pressure piston and cylinder mechanism. This limited movement represents the clearance of the friction pad 2 from the friction surface of the disc when the braking pressure is removed. Should friction pad wear take place, the braking pressure will cause the pins 6 to slip through the sleeves 7 until full frictional engagement is effected. On removal of the braking pressure, the springs 13 will retract the backing plates 4 and allow the pads 2 to effect the predetermined running clearance. Fig. 3 illustrates a further embodiment of the invention in which a sleeve 18 is located in frictional engagement with each of the elastically deformable pins 6 such that axial movement in one direction is limited by the step formed in the hole 9 and in the other direction by the end of a hollow plug 16 screwed into the end of each hole 9. Thus on application of the braking pressure, the piston of each mechanism moves towards the disc 1 against the tension of the return spring to effect frictional engagement between the pads 2 and the disc 1. If the sleeve 18 abuts the step of the hole 9 before full frictional engagement is effected (due to wear of the pad) then the braking pressure will cause the pins 6 to slip through the sleeves until full frictional engagement is effected. When the braking pressure is removed, the spring 15 will retract the assembly until the sleeves 18 abut the ends of the plugs 16 thereby effecting the predetermined running clearance. The device may be adapted with suitable modification to a drum brake. Specification 688,382 also is referred to.
GB2014853A 1953-07-21 1953-07-21 Improvements in automatic adjusting devices for brakes Expired GB747972A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2014853A GB747972A (en) 1953-07-21 1953-07-21 Improvements in automatic adjusting devices for brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2014853A GB747972A (en) 1953-07-21 1953-07-21 Improvements in automatic adjusting devices for brakes

Publications (1)

Publication Number Publication Date
GB747972A true GB747972A (en) 1956-04-18

Family

ID=10141167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2014853A Expired GB747972A (en) 1953-07-21 1953-07-21 Improvements in automatic adjusting devices for brakes

Country Status (1)

Country Link
GB (1) GB747972A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2973837A (en) * 1957-03-13 1961-03-07 Bendix Corp Combined automatic adjustor and retraction means
US2994410A (en) * 1958-01-27 1961-08-01 Bendix Corp Disk brake
DE1130707B (en) * 1955-12-08 1962-05-30 Lambert & Brake Corp Support body for a wheel equipped with a braking device
DE1134300B (en) * 1958-06-09 1962-08-02 Airheart Prod Automatic adjustment device for hydraulically operated friction brakes, especially for motor vehicles
DE1187506B (en) * 1963-09-04 1965-02-18 Teves Kg Alfred Adjustment and centering device for partially lined disc brakes, especially for motor vehicles
US3435691A (en) * 1965-06-11 1969-04-01 Girling Ltd Means for actuating a friction pad in a disc brake
WO2003027526A1 (en) * 2001-09-25 2003-04-03 Trw Ltd Retraction mechanism for disc brake assembly
GB2399607A (en) * 2003-03-18 2004-09-22 Trw Ltd Wear adjuster for brake shoe
CN107939874A (en) * 2017-12-14 2018-04-20 北京天宜上佳新材料股份有限公司 A kind of floatation type brake pad

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1130707B (en) * 1955-12-08 1962-05-30 Lambert & Brake Corp Support body for a wheel equipped with a braking device
US2973837A (en) * 1957-03-13 1961-03-07 Bendix Corp Combined automatic adjustor and retraction means
US2994410A (en) * 1958-01-27 1961-08-01 Bendix Corp Disk brake
DE1134300B (en) * 1958-06-09 1962-08-02 Airheart Prod Automatic adjustment device for hydraulically operated friction brakes, especially for motor vehicles
DE1187506B (en) * 1963-09-04 1965-02-18 Teves Kg Alfred Adjustment and centering device for partially lined disc brakes, especially for motor vehicles
US3435691A (en) * 1965-06-11 1969-04-01 Girling Ltd Means for actuating a friction pad in a disc brake
WO2003027526A1 (en) * 2001-09-25 2003-04-03 Trw Ltd Retraction mechanism for disc brake assembly
US6959792B2 (en) 2001-09-25 2005-11-01 Trw Limited Retraction mechanism for disc brake assembly
GB2399607A (en) * 2003-03-18 2004-09-22 Trw Ltd Wear adjuster for brake shoe
GB2399607B (en) * 2003-03-18 2006-05-10 Trw Ltd A retraction mechanism
CN107939874A (en) * 2017-12-14 2018-04-20 北京天宜上佳新材料股份有限公司 A kind of floatation type brake pad

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