Title:
Disc brake
Document Type and Number:
Japanese Patent JP6305264
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a disc brake having improved reliability.SOLUTION: In a disc brake according to the present invention, a plurality of rotation control vertical grooves 22 are formed on a piston 18, a plurality of projecting portions 155 are formed on a fixed ramp 150, and relative rotation of the fixed lamp 150 to the piston 18 is controlled by fitting each projecting portion 155 of the fixed ramp 150 into each of the rotation control vertical grooves 22 of the piston 18. Accordingly, a load (F) applied to a contact region 180 in association with rotation control torque (T) to the piston 18, of the fixed ramp 150 can be reduced in comparison with a conventional rotation control structure. Thus, reliability in operating a parking brake and the like in particular can be improved.SELECTED DRAWING: Figure 4
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Inventors:
Sakamaki Takashi
Takayasu Sakashita
Takayasu Sakashita
Application Number:
JP2014157187A
Publication Date:
April 04, 2018
Filing Date:
July 31, 2014
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F16D65/18; F16H25/20
Domestic Patent References:
| JP2004169729A | ||||
| JP2001263395A | ||||
| JP200365366A | ||||
| JP2005226752A |
Attorney, Agent or Firm:
Calyx
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