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Patent Searching and Data


Title:
ACTUATOR FOR BRAKE DEVICE AND BRAKE DEVICE INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2021/153939
Kind Code:
A1
Abstract:
An actuator for a brake device is disclosed. An actuator according to an embodiment of the present invention comprises: a motor; a housing for receiving a power connection unit and a reduction gear unit; and a cover covering an open upper part of the housing and including a shaft support unit, wherein the reduction gear unit comprises: a worm wheel including a reception groove concavely formed on the upper surface thereof and a locking rib provided on the reception groove; a sun gear including a support rib supported by the bottom of the reception groove to be relatively rotatable and thus able to come into contact with the locking rib when rotating; and a clutch spring slippably provided, in a wound state, on the outer circumferential surface of the shaft support unit, and capable of selectively tightening or loosening the outer circumferential surface of the shaft support unit according to a rotation direction when the worm wheel and the sun gear rotate relative to each other.

Inventors:
LIM WOOCHUL (KR)
KIM SOOSUNG (KR)
JUNG DAEJUNE (KR)
SONG JOON-KYU (KR)
Application Number:
PCT/KR2021/000757
Publication Date:
August 05, 2021
Filing Date:
January 19, 2021
Export Citation:
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Assignee:
MANDO CORP (KR)
International Classes:
F16D65/18; F16D55/226; F16H1/28; F16D121/24; F16D125/52
Domestic Patent References:
WO2019198509A12019-10-17
Foreign References:
KR20140030209A2014-03-11
KR20160133098A2016-11-22
KR20170084686A2017-07-20
KR100586154B12006-06-07
Attorney, Agent or Firm:
SELIM INTELLECTUAL PROPERTY LAW FIRM (KR)
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