GB1214575A - Improvements in or relating to automatic adjusting devices for vehicle brakes - Google Patents

Improvements in or relating to automatic adjusting devices for vehicle brakes

Info

Publication number
GB1214575A
GB1214575A GB369668A GB369668A GB1214575A GB 1214575 A GB1214575 A GB 1214575A GB 369668 A GB369668 A GB 369668A GB 369668 A GB369668 A GB 369668A GB 1214575 A GB1214575 A GB 1214575A
Authority
GB
United Kingdom
Prior art keywords
piston
stem
nut
brake
cylinder
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
GB369668A
Inventor
Duncan William Osborne
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.)
Automotive Products PLC
Original Assignee
Automotive Products PLC
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 Automotive Products PLC filed Critical Automotive Products PLC
Priority to GB369668A priority Critical patent/GB1214575A/en
Publication of GB1214575A publication Critical patent/GB1214575A/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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams
    • F16D2125/32—Cams; Levers with cams acting on one cam follower
    • 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
    • F16D2125/64—Levers

Landscapes

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

Abstract

1,214,575. Brake adjusters. AUTOMOTIVE PRODUCTS CO. Ltd. 13 Nov., 1968 [24 Jan., 1968], No. 3696/68. Heading F2E. A one-way ratchet-type clutch 34 (Fig. 2) is provided between the piston 18 of a fluidoperated brake applying means and a nut 27 mounted in the piston so as to have limited axial movement relative thereto and forming with a screw-threaded stem 23 a mechanically operated thrust member which also provides automatic adjustment. The clutch 34 comprises an arcuate plate 36 of spring metal having ends which engage splines 37 in the piston 18 and a tongue 38 which engages splines 39 on the nut 27. A shaft 41 mounted in a bearing 42 integral with cylinder 19 is rotated by a lever 44 against the pull of a spring 46 and is slotted to provide a radial surface 43 engaged by the end of the stem 23 and sides engaged by flats 23a to prevent rotation of the stem. A stop surface 45 on the lever 44 engages an end surface of cylinder 19. The piston 18 is held against rotation by a stud 35. When fluid is admitted to the cylinder 19 the stem 23 is pushed back to a position determined by the stop 45 and the piston 18 is pushed forward to apply the brake. If the brake clearance exceeds the limited axial movement of the nut 27 in the piston 18, the nut is moved along the stem 23. The arrangement is applicable to drum brakes.
GB369668A 1968-01-24 1968-01-24 Improvements in or relating to automatic adjusting devices for vehicle brakes Expired GB1214575A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB369668A GB1214575A (en) 1968-01-24 1968-01-24 Improvements in or relating to automatic adjusting devices for vehicle brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB369668A GB1214575A (en) 1968-01-24 1968-01-24 Improvements in or relating to automatic adjusting devices for vehicle brakes

Publications (1)

Publication Number Publication Date
GB1214575A true GB1214575A (en) 1970-12-02

Family

ID=9763236

Family Applications (1)

Application Number Title Priority Date Filing Date
GB369668A Expired GB1214575A (en) 1968-01-24 1968-01-24 Improvements in or relating to automatic adjusting devices for vehicle brakes

Country Status (1)

Country Link
GB (1) GB1214575A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246985A (en) * 1979-05-31 1981-01-27 Toyota Jidosha Kogyo Kabushiki Kaisha Auto-adjusting mechanism for a disc brake
GB2210943A (en) * 1987-10-10 1989-06-21 Gen Motors France Disc brake caliper assembly

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4246985A (en) * 1979-05-31 1981-01-27 Toyota Jidosha Kogyo Kabushiki Kaisha Auto-adjusting mechanism for a disc brake
GB2210943A (en) * 1987-10-10 1989-06-21 Gen Motors France Disc brake caliper assembly

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Legal Events

Date Code Title Description
PS Patent sealed
PLE Entries relating assignments, transmissions, licences in the register of patents
435 Patent endorsed 'licences of right' on the date specified (sect. 35/1949)
PCNP Patent ceased through non-payment of renewal fee