Title:
機械-液圧作動式小型ブレーキシリンダ及びこのようなシリンダを含む自動車用ブレーキ
Document Type and Number:
Japanese Patent JP4276940
Kind Code:
B2
Abstract:
A mechanically and hydraulically actuated brake cylinder for a motor vehicle having a body with a chamber for receiving an axially movable piston ( 4 ) that is connected to a pivoting shaft ( 11 ) that has a part that is located outside of the body. Pressurized fluid is presented to the chamber to hydraulically actuate a brake application while a rotational torque is applied to the shaft ( 11 ) to mechanical actuate a brake application through a ball-ramp mechanism that converts the rotational torque into translational movement for the piston. The ball-ramp mechanism is defined by a rotary plate ( 28 ) fixed to the shaft ( 11 ) with a first ramp ribs ( 31 ), second ramp ribs ( 32 ) on the piston ( 4 ) and balls ( 33 ) housed in the ramp ribs.
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Inventors:
Gerard, Jean-Louis
Gerard
Gerard
Application Number:
JP2003519281A
Publication Date:
June 10, 2009
Filing Date:
July 30, 2002
Export Citation:
Assignee:
ROBERT BOSCH GMBH
International Classes:
F16D65/18; F16D65/14
Foreign References:
| US3820635 |
Attorney, Agent or Firm:
Kazuo Shamoto
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino
Tadashi Masui
Yasushi Kobayashi
Akio Chiba
Hiroyuki Tomita
Osamu Hoshino