The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 04, 2025
Filed:
Jan. 19, 2021
Hl Mando Corporation, Pyeongtaek-si, KR;
Woochul Lim, Yongin-si, KR;
Soosung Kim, Seoul, KR;
Daejune Jung, Seoul, KR;
Joon-kyu Song, Seongnam-si, KR;
HL MANDO CORPORATION, Pyeongtaek si, KR;
Abstract
Disclosed is an actuator for a brake device. An actuator for a brake device according to embodiment of the disclosure includes a housing accommodating a motor, a power transmission unit connected to the motor, and a reduction gear unit connected to the power transmission unit; and a cover covering an open top of the housing and having a shaft support portion; wherein the reduction gear unit includes a worm wheel including a concave receiving groove on an upper surface thereof and a locking rib provided in the receiving groove, a sun gear supported rotatably on a bottom of the receiving groove and having a support rib contactable with the locking rib during rotation, and a clutch spring provided in a state of being slidably wound around an outer circumferential surface of the shaft support portion, and configured to tighten or loosen selectively an outer circumferential surface of the shaft support portion according to a rotation direction when the worm wheel and the sun gear are rotated relative to each other.