JPS56147931A - Drum brake device - Google Patents

Drum brake device

Info

Publication number
JPS56147931A
JPS56147931A JP4898680A JP4898680A JPS56147931A JP S56147931 A JPS56147931 A JP S56147931A JP 4898680 A JP4898680 A JP 4898680A JP 4898680 A JP4898680 A JP 4898680A JP S56147931 A JPS56147931 A JP S56147931A
Authority
JP
Japan
Prior art keywords
brake
shoe
parking
drum
operation mechanism
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.)
Pending
Application number
JP4898680A
Other languages
Japanese (ja)
Inventor
Kyoichi Jinno
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.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor 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 Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Priority to JP4898680A priority Critical patent/JPS56147931A/en
Priority to GB8111002A priority patent/GB2074263A/en
Priority to DE19813114920 priority patent/DE3114920A1/en
Priority to FR8107391A priority patent/FR2480379A1/en
Publication of JPS56147931A publication Critical patent/JPS56147931A/en
Pending 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
    • F16D51/00—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like
    • F16D51/16—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis
    • F16D51/18—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes
    • F16D51/20—Brakes with outwardly-movable braking members co-operating with the inner surface of a drum or the like shaped as brake-shoes pivoted on a fixed or nearly-fixed axis with two brake-shoes extending in opposite directions from their pivots
    • 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
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/04—Bands, shoes or pads; Pivots or supporting members therefor
    • F16D65/08—Bands, shoes or pads; Pivots or supporting members therefor for internally-engaging brakes
    • F16D65/09—Pivots or supporting members therefor
    • 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
    • F16D2125/60—Cables or chains, e.g. Bowden cables

Landscapes

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

Abstract

PURPOSE: To increase the braking power of a parking brake by connecting a parking-brake operation mechanism to the anchor side of brake shoes, and applying a movable wheel cylinder together with a servo-type parking-brake operation mechanism.
CONSTITUTION: When a brake pedal 17 is stepped on, an operational pressure generated in a master cylinder 16 is introduced into a pressure chamber of a wheel cylinder 4, and brake shoes 2 and 3 are pushed to the inside of a brake drum 1 by the expanding work of pistons 4a and 4b for generating braking power. Then, when a lever 9 of a parking-brake operation mechanism P is swayed to the left via a cable 11, the lever 9 pushes the shoe 3 to the inside of the drum 1 via a catch part 12 and a strut 13, and the shoe 2 is pushed to the drum 1 via a pin 10. At this stage, the braking power generated on the side of the shoe 3 moves a cylinder main body 4e to the right and is transmitted to the shoe 2, consequently generating a servo-work.
COPYRIGHT: (C)1981,JPO&Japio
JP4898680A 1980-04-14 1980-04-14 Drum brake device Pending JPS56147931A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4898680A JPS56147931A (en) 1980-04-14 1980-04-14 Drum brake device
GB8111002A GB2074263A (en) 1980-04-14 1981-04-08 Internal Shoe Drum Brake Apparatus
DE19813114920 DE3114920A1 (en) 1980-04-14 1981-04-13 INNER JAW DRUM BRAKE
FR8107391A FR2480379A1 (en) 1980-04-14 1981-04-13 DRUM BRAKE DEVICE HAVING INTERNAL JAWERS

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4898680A JPS56147931A (en) 1980-04-14 1980-04-14 Drum brake device

Publications (1)

Publication Number Publication Date
JPS56147931A true JPS56147931A (en) 1981-11-17

Family

ID=12818552

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4898680A Pending JPS56147931A (en) 1980-04-14 1980-04-14 Drum brake device

Country Status (4)

Country Link
JP (1) JPS56147931A (en)
DE (1) DE3114920A1 (en)
FR (1) FR2480379A1 (en)
GB (1) GB2074263A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3627123C2 (en) * 1986-08-06 1997-10-09 Vdo Schindling Liquid level sensor
US4762209A (en) * 1987-05-29 1988-08-09 General Motors Corporation Drum brake assembly and shoe hold-down and retraction spring therefor
US4919239A (en) * 1987-12-15 1990-04-24 Lucas Industries Public Limited Company Shoe return spring

Also Published As

Publication number Publication date
FR2480379A1 (en) 1981-10-16
DE3114920A1 (en) 1982-02-18
GB2074263A (en) 1981-10-28

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