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:
Nov. 01, 2022
Filed:
Feb. 10, 2020
Applicant:
Hyundai Mobis Co., Ltd., Seoul, KR;
Inventor:
Chi Hoon Jo, Yongin-si, KR;
Assignee:
HYUNDAI MOBIS CO., LTD., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D 51/00 (2006.01); F16D 65/18 (2006.01); F16D 55/02 (2006.01); B60T 1/02 (2006.01); F16D 65/56 (2006.01); F16D 125/52 (2012.01); F16D 121/24 (2012.01); F16D 125/40 (2012.01);
U.S. Cl.
CPC ...
F16D 65/183 (2013.01); B60T 1/02 (2013.01); F16D 55/02 (2013.01); F16D 65/567 (2013.01); F16D 2121/24 (2013.01); F16D 2125/40 (2013.01); F16D 2125/52 (2013.01);
Abstract
A parking brake apparatus may include: a driving part; a driving gear rotatably connected to the driving part; a gear shaft engaged with the driving gear so as to be rotated by the driving gear; a pair of pistons disposed on both sides of the gear shaft and connected to brake shoes, respectively; a pair of nuts disposed in the respective pistons, and screwed to the gear shaft; an elastic member installed between the piston and the nut so as to pressure the nut toward the brake shoe; a holder installed in the piston so as to support the elastic member; and a constraint ring installed in the piston so as to constrain the holder.