Title:
電動ブレーキアクチュエータ
Document Type and Number:
Japanese Patent JP6965802
Kind Code:
B2
Abstract:
An electric brake actuator configured to push a friction member onto a rotary body by advancing a piston by rotating an input shaft by an electric motor, including: a torque imparting device configured to impart, to an input shaft, a torque in a direction to retract a piston based on an elastic torque of a torsion spring (86) and including a mechanism configured to allow a first retained portion (104) provided at one end portion (102) of the torsion spring to be retained by another one of a plurality of first retaining portions of a stator (82) when the elastic torque exceeds a set upper-limit torque to decrease the elastic torque; and a mechanism configured to permit a second retained portion (116) of a rotor (84) to be retained by a second retaining portion (114) provided at the other end portion of the spring to prohibit the elastic torque from becoming smaller than a set lower-limit torque.
Inventors:
Masaki Nanahara
Naoki Yabuzaki
Yuta Morikawa
Naoki Yabuzaki
Yuta Morikawa
Application Number:
JP2018052707A
Publication Date:
November 10, 2021
Filing Date:
March 20, 2018
Export Citation:
Assignee:
TOYOTA JIDOSHA KABUSHIKI KAISHA
International Classes:
F16D65/18; B60T13/74; F16F1/06
Domestic Patent References:
| JP2013024389A | ||||
| JP2017197164A |
Foreign References:
| US20130264153 | ||||
| DE102010063320A1 | ||||
| KR1020170068799A |
Attorney, Agent or Firm:
Chubu International Patent Office
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