Title:
電動ディスクブレーキ
Document Type and Number:
Japanese Patent JP6732712
Kind Code:
B2
Abstract:
An object of the present invention is to provide an electric disc brake suitable for improving responsiveness. The electric disc brake includes: a rotation linear motion conversion mechanism configured to convert rotational motion of the rotary member into linear motion; a return spring configured to store torque for retreating the piston according to rotation of a rotary member; and a clutch configured to make a transition between a state in which the torque is able to be stored in the return spring and a state in which storage of the torque in the return spring is deterred. The clutch includes: a first disc and a third disc configured to rotate together with the rotary member, and a second disc disposed between the first disc and the third disc. The return spring has one end portion coupled to the caliper body and another end portion coupled to the second disc.
Inventors:
Takayuki Hagiwara
Atsushi Kodaira
Atsushi Kodaira
Application Number:
JP2017190404A
Publication Date:
July 29, 2020
Filing Date:
September 29, 2017
Export Citation:
Assignee:
Hitachi Automotive Systems, Ltd.
International Classes:
F16D65/18; B60T13/74; B60T17/22; F16D13/46; F16H25/22; F16H25/24
Domestic Patent References:
| JP201324389A | ||||
| JP2009127737A | ||||
| JP872702A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation