GB1182729A - Adjustable Brake Actuating Mechanism - Google Patents

Adjustable Brake Actuating Mechanism

Info

Publication number
GB1182729A
GB1182729A GB1917568A GB1917568A GB1182729A GB 1182729 A GB1182729 A GB 1182729A GB 1917568 A GB1917568 A GB 1917568A GB 1917568 A GB1917568 A GB 1917568A GB 1182729 A GB1182729 A GB 1182729A
Authority
GB
United Kingdom
Prior art keywords
brake
plunger
discs
pawl
lever
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
GB1917568A
Inventor
Charles Arthur Kreitner
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.)
Lambert Brake Corp
Original Assignee
Lambert Brake 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 Lambert Brake Corp filed Critical Lambert Brake Corp
Priority to GB1917568A priority Critical patent/GB1182729A/en
Publication of GB1182729A publication Critical patent/GB1182729A/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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/18—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes
    • F16D65/186—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for drawing members together, e.g. for disc brakes with full-face force-applying member, e.g. annular
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/34—Mechanical mechanisms converting rotation to linear movement or vice versa acting in the direction of the axis of rotation
    • F16D2125/36—Helical cams, Ball-rotating ramps
    • 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

Landscapes

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

Abstract

1,182,729. Disc brakes; slack adjusters. LAMBERT BRAKE CORP. 23 April, 1968. No. 19175/68. Heading F2E. In a friction brake which is actuated by pulling a pull-rod 58 relative to the brake housing by movement of a lever 64 pivotally mounted to the housing, wear of the friction surfaces of the brake is automatically compensated by a cam-operated plunger which cooperates with a pawl and ratchet mechanism to advance a nut 74 along a screw-threaded portion 72 of the pull rod to shorten its effective length. When the lever 64 is moved by an hydraulic cylinder 80 to apply the brake, the plunger, which is mounted on the lever, is moved under the action of a spring 108 and causes the pawl to move over the teeth of the ratchet. On release of the brake, the cam surface 116 displaces the plunger against the action of the spring 108 to positively actuate the pawl in a direction tending to rotate the ratchet, the ratchet being moved on by one tooth interval when the lever 64 is displaced sufficiently on application of the brake. In Fig. 5, the pawl 94 is mounted directly on one end of the plunger, the other end of which co-operates with a tapered cam member 114 pivotally mounted on the brake housing. In order to accommodate lateral displacement of the plunger by the ratchet teeth, the member 98 is pivotally mounted on the lever 64, a spring 124 biasing the plunger and pawl into contact with the ratchet. In Fig. 6, the pawl 138 is mounted on a lever 136 pivotally connected to one end of the plunger, the other end of which carries a wheel 112a co-operating with a fixed cam surface 116a integral with the brake housing. Disc brakes. When the rod 58 is pulled on application of the brake, links 52, 54 draw pivots 48, 50 towards each other thereby causing counter rotation of two discs (24) (26) which are mounted back to back and concentric with the shaft 12 to be braked. The mutually facing surfaces of the discs (24) (26) have cam surfaces 32, 34 formed therein which co-operate with captive balls 36 to urge the discs apart when they are rotated thereby forcing friction surfaces (16), (18) into contact with both sides of two brake discs (20), (22). The brake discs (20), (22) have splined internal margins co-operating with complementary splined portions of the shaft 12 to allow axial displacement of the brake discs. Springs 38 cause retraction of the discs (24), (26) when the brake is released.
GB1917568A 1968-04-23 1968-04-23 Adjustable Brake Actuating Mechanism Expired GB1182729A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1917568A GB1182729A (en) 1968-04-23 1968-04-23 Adjustable Brake Actuating Mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1917568A GB1182729A (en) 1968-04-23 1968-04-23 Adjustable Brake Actuating Mechanism

Publications (1)

Publication Number Publication Date
GB1182729A true GB1182729A (en) 1970-03-04

Family

ID=10124990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1917568A Expired GB1182729A (en) 1968-04-23 1968-04-23 Adjustable Brake Actuating Mechanism

Country Status (1)

Country Link
GB (1) GB1182729A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237158A1 (en) * 1986-02-07 1987-09-16 LUCAS INDUSTRIES public limited company Improvements in self-energising disc brakes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0237158A1 (en) * 1986-02-07 1987-09-16 LUCAS INDUSTRIES public limited company Improvements in self-energising disc brakes

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years