Title:
BRAKE SYSTEM FOR VEHICLE
Document Type and Number:
Japanese Patent JP2004308693
Kind Code:
A
Abstract:
To provide a brake system for a vehicle capable of effectively maintaining mechanical efficiency for a long term while making compact in size and lightweight for an electrically-powered actuator as a driving power source by improving mechanical efficiency.
An engaged portion between a screw portion 12c of a screw shaft 12 and a nut member 13 is arranged inside a liquid pressure chamber 7 in which working liquid for operating a flexible piston 6 is supplied, and metallic coating is applied onto an outer periphery (an engaged surface) of the screw portion 12c.
Inventors:
INA EIJI
SUZUKI HIDETOSHI
KATO ATSUSHI
SUZUKI HIDETOSHI
KATO ATSUSHI
Application Number:
JP2003099662A
Publication Date:
November 04, 2004
Filing Date:
April 02, 2003
Export Citation:
Assignee:
ASMO CO LTD
International Classes:
F16D65/18; F16D55/224; (IPC1-7): F16D65/18; F16D55/224; F16D65/20
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda