GB541617A - Improvements in or relating to internal shoe drum brakes - Google Patents

Improvements in or relating to internal shoe drum brakes

Info

Publication number
GB541617A
GB541617A GB1716740A GB1716740A GB541617A GB 541617 A GB541617 A GB 541617A GB 1716740 A GB1716740 A GB 1716740A GB 1716740 A GB1716740 A GB 1716740A GB 541617 A GB541617 A GB 541617A
Authority
GB
United Kingdom
Prior art keywords
shoe
pull
pair
rod
drum brakes
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
GB1716740A
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.)
GEOFFREY ROBERT GREENBERGH GAT
Automotive Products PLC
Original Assignee
GEOFFREY ROBERT GREENBERGH GAT
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 GEOFFREY ROBERT GREENBERGH GAT, Automotive Products PLC filed Critical GEOFFREY ROBERT GREENBERGH GAT
Priority to GB1716740A priority Critical patent/GB541617A/en
Publication of GB541617A publication Critical patent/GB541617A/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
    • F16D65/14—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
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • 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
    • F16D65/42—Slack adjusters mechanical non-automatic
    • F16D65/46—Slack adjusters mechanical non-automatic with screw-thread and nut
    • 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
    • F16D2125/66—Wedges

Landscapes

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

Abstract

541,617. Internal shoe drum brakes. AUTOMOTIVE PRODUCTS CO., Ltd., and GATES, G. R. G. Dec. 2, 1940, No. 17167. [Class 103 (i)] Relates to internal shoe drum brakes of the kind in which a pair of shoes has between each pair of their adjacent ends a spreading device and a torque-resisting abutment, the shoes engaging with the abutment at either end, depending upon the direction of drum rotation, and thus both being capable of serving as a leading shoe. The brake is hydraulically operated and the spreading device 10 is a piston-andcylinder acting directly between the shoe ends, the other spreading device 11, as shown for example in Fig. 3, comprises a wedge device with sectors 33, pivoted on a link 32 itself pivoted on a pull-rod 36, acting upon inclines 31 of tappets on the shoe ends under the action of the hydraulic pistons 38 or of a mechanically-operated second pull-rod 47 connected to the first pull-rod 36 through a lost-nut-in device including a coupling- member 44. Each shoe is provided with an end portion 17 adjustable by means of a wedge device 66 actuated by a screw 65; the other end of each shoe carries a pair of strengthening plates 55. The spreading devices may serve as abutments.
GB1716740A 1940-12-02 1940-12-02 Improvements in or relating to internal shoe drum brakes Expired GB541617A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1716740A GB541617A (en) 1940-12-02 1940-12-02 Improvements in or relating to internal shoe drum brakes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1716740A GB541617A (en) 1940-12-02 1940-12-02 Improvements in or relating to internal shoe drum brakes

Publications (1)

Publication Number Publication Date
GB541617A true GB541617A (en) 1941-12-03

Family

ID=10090452

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1716740A Expired GB541617A (en) 1940-12-02 1940-12-02 Improvements in or relating to internal shoe drum brakes

Country Status (1)

Country Link
GB (1) GB541617A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101412398B (en) * 2008-11-25 2010-06-02 辽宁曙光汽车集团股份有限公司 Hydraulic drum brake with upper and lower double pushrods parking mechanism
CN109027064A (en) * 2018-07-17 2018-12-18 长沙学院 A kind of brake apparatus of electrical control

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101412398B (en) * 2008-11-25 2010-06-02 辽宁曙光汽车集团股份有限公司 Hydraulic drum brake with upper and lower double pushrods parking mechanism
CN109027064A (en) * 2018-07-17 2018-12-18 长沙学院 A kind of brake apparatus of electrical control
CN109027064B (en) * 2018-07-17 2019-12-06 长沙学院 Electrically controlled brake device

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