GB1155951A - Improvements in and relating to Disc Brakes - Google Patents

Improvements in and relating to Disc Brakes

Info

Publication number
GB1155951A
GB1155951A GB29772/65A GB2977265A GB1155951A GB 1155951 A GB1155951 A GB 1155951A GB 29772/65 A GB29772/65 A GB 29772/65A GB 2977265 A GB2977265 A GB 2977265A GB 1155951 A GB1155951 A GB 1155951A
Authority
GB
United Kingdom
Prior art keywords
strut
piston
cylinder
bore
disc
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
GB29772/65A
Inventor
Hugh Grenville Margetts
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 GB29772/65A priority Critical patent/GB1155951A/en
Priority to FR69567A priority patent/FR1487560A/en
Publication of GB1155951A publication Critical patent/GB1155951A/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
    • F16D65/567—Slack adjusters mechanical self-acting in one direction for adjusting excessive play with screw-thread and nut for mounting on a disc brake
    • 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
    • F16D55/224—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 common actuating member for the braking members
    • F16D55/225—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 common actuating member for the braking members the braking members being brake pads
    • F16D55/2255—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 common actuating member for the braking members the braking members being brake pads in which the common actuating member is pivoted
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/14—Mechanical
    • 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
    • F16D2123/00—Multiple operation forces
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/68—Lever-link mechanisms, e.g. toggles with change of force ratio

Abstract

1,155,951. Disc brakes. GIRLING Ltd. 7 July, 1966 [14 July, 1965], No. 29772/65. Heading F2E. In a disc brake of the kind comprising a pair of pads movable towards an axially fixed disc by a piston and cylinder actuator, alternative mechanical applying means is in the form of a strut arranged to pass with clearance through an opening in the closed end of the cylinder and enter into a space sealed from an annular hydraulic chamber to be coaxially supported by the piston, a lever also being carried by the cylinder end and acting on the external end of the strut, the arrangement being such that the strut is coaxially located in the cylinder independently of the opening. In the embodiment of Fig. 1, the strut 48 passes through a fibre ring 54 in a bore of annular piston 32 to act directly on the backing plate 18 of pad 16, lever 65 acting on the external end of the strut through a ball 60 engaging the boss of a ratchet wheel 52 by which rotation of externally threaded portion 50 of the strut can be effected for adjustment purposes. The piston has an axially extending flange 38 received in a bore of a flanged closure member 36 for cylinder bore 30 of housing 11. Seals 40, 44 are provided to isolate a fluid chamber 46 from the interior of the piston in which the strut has clearance. A spring 64 effects return movement of the strut following a brake application, the piston 32 being movable independently on supply of hydraulic fluid to chamber 46. Housing 11 pivots at 12 during brake application so that both pads 16, 20 are applied. In the embodiment of Fig. 3, the front end of the piston 70 is closed and an extension piece 74 sealingly slidable in a bore of closure member 76 is retained within the piston by a ring 72. The strut engages a hemispherical surface formed within the extension piece. In both embodiments the housing may be fixed and provide a pair of cylinders each having a piston for applying a respective pad to the disc. The ratchet wheel on the externally threaded strut portion 86 may be engaged by a pawl (96, Fig. 5, not shown) which is carried by a stirrup (98) axially movable with the strut, the pawl being pivoted by co-operating with a rod (104) secured to the closure member, so that automatic wear adjustment is effected. A similar arrangement may be applied to the construction of Fig. 1.
GB29772/65A 1965-07-14 1965-07-14 Improvements in and relating to Disc Brakes Expired GB1155951A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB29772/65A GB1155951A (en) 1965-07-14 1965-07-14 Improvements in and relating to Disc Brakes
FR69567A FR1487560A (en) 1965-07-14 1966-07-15 Disc brake improvements

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB29772/65A GB1155951A (en) 1965-07-14 1965-07-14 Improvements in and relating to Disc Brakes

Publications (1)

Publication Number Publication Date
GB1155951A true GB1155951A (en) 1969-06-25

Family

ID=10296943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB29772/65A Expired GB1155951A (en) 1965-07-14 1965-07-14 Improvements in and relating to Disc Brakes

Country Status (2)

Country Link
FR (1) FR1487560A (en)
GB (1) GB1155951A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294739A (en) * 1994-11-04 1996-05-08 Lucas Ind Plc An automatic brake shoe adjuster

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4094388A (en) * 1976-07-09 1978-06-13 Wagner Electric Corporation Automatic brake adjusting means
DE3561676D1 (en) * 1984-09-05 1988-03-31 Bendix France Slack adjuster for disc-brakes
FR2569798B1 (en) * 1984-09-05 1986-12-05 Bendix France AUTOMATICALLY ADJUSTABLE DISC BRAKE

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294739A (en) * 1994-11-04 1996-05-08 Lucas Ind Plc An automatic brake shoe adjuster
GB2294739B (en) * 1994-11-04 1999-03-10 Lucas Ind Plc Automatic adjuster

Also Published As

Publication number Publication date
FR1487560A (en) 1967-07-07

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