JPS57191157A - Master cylinder - Google Patents

Master cylinder

Info

Publication number
JPS57191157A
JPS57191157A JP7233781A JP7233781A JPS57191157A JP S57191157 A JPS57191157 A JP S57191157A JP 7233781 A JP7233781 A JP 7233781A JP 7233781 A JP7233781 A JP 7233781A JP S57191157 A JPS57191157 A JP S57191157A
Authority
JP
Japan
Prior art keywords
piston
backup ring
sealing member
ring
elastic deformation
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
JP7233781A
Other languages
Japanese (ja)
Inventor
Satoshi Arimitsu
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.)
Nabco Ltd
Original Assignee
Nabco 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 Nabco Ltd filed Critical Nabco Ltd
Priority to JP7233781A priority Critical patent/JPS57191157A/en
Publication of JPS57191157A publication Critical patent/JPS57191157A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T11/00—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant
    • B60T11/10—Transmitting braking action from initiating means to ultimate brake actuator without power assistance or drive or where such assistance or drive is irrelevant transmitting by fluid means, e.g. hydraulic
    • B60T11/16—Master control, e.g. master cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Of Braking Force In Braking Systems (AREA)

Abstract

PURPOSE:To prevent bite-in of a sealing member, when the piston slides in a tapered cylinder hole, by interposing a backup ring deformable elastically in the circumferential and radial directions between the sealing member and piston. CONSTITUTION:A piston 3 to be inserted in a tapered cylinder hole 2 slidably is equipped with a sealing member 5, fitted in a groove, and furnish with a backup ring 8 interposed between this sealing member 5 and a step in the abovementioned groove. The backup ring 8 is made of a material elastically deformable, and a tapered cylinder 10 having minor diameter end at the disc-shaped part 9 is projecting from this ring 8. A slit 11 is excavated in this ring 8. When the backup ring 8 is fitted on the piston 3, the abovementioned cylindrical part 10 forms a gap 12 to facilitate elastic deformation. At the time of piston 3 moving forward, the outside circumference of the disc-shaped part 9 of the backup ring 8 is in contact with the internal surface of the cylinder hole and slides in elastic deformation. Provision of a groove 14 at the end of the cylindrical part 10 assures even elastic deformation.
JP7233781A 1981-05-15 1981-05-15 Master cylinder Pending JPS57191157A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7233781A JPS57191157A (en) 1981-05-15 1981-05-15 Master cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7233781A JPS57191157A (en) 1981-05-15 1981-05-15 Master cylinder

Publications (1)

Publication Number Publication Date
JPS57191157A true JPS57191157A (en) 1982-11-24

Family

ID=13486370

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7233781A Pending JPS57191157A (en) 1981-05-15 1981-05-15 Master cylinder

Country Status (1)

Country Link
JP (1) JPS57191157A (en)

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