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:
Sep. 30, 2025
Filed:
Sep. 14, 2022
Hl Mando Corporation, Pyeongtaek-si, KR;
Woochul Lim, Yongin-si, KR;
Daejune Jung, Seongnam-si, KR;
HL MANDO CORPORATION, Pyeongtaek-si, KR;
Abstract
Disclosed herein an electric parking brake including a ball-screw type power conversion unit installed in a caliper housing to convert a rotational force into a linear motion. The electric parking brake includes a motor configured to generate a rotational force, a first gear unit including a first connection portion, the first connection portion directly connected to a main helical gear provided on a motor shaft of the motor, a second gear unit including a second connection portion, the second connection portion spaced apart from the first connection portion by a predetermined distance and directly connected to the main helical gear, and a reduction gear unit connected to any one of the first gear unit and the second gear unit and configured to transmit the rotational force generated from the motor to a spindle of the power conversion unit, wherein any one of the first and second gear units is configured to perform a self-locking function when a parking braking force is generated.