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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.:

US 11891027 B1

PDFFull Text
Date of Patent:
Feb. 06, 2024

Filed:

Jun. 23, 2021

Drum brake apparatus

Applicant:

Hyundai Mobis Co., Ltd., Seoul, KR;

Inventors:

Chi Hoon Jo, Yongin-si, KR;

Byeung Su Kim, Yongin-si, KR;

Assignee:

HYUNDAI MOBIS CO., LTD., Seoul, KR;

Attorney:

MORGAN, LEWIS & BOCKIUS LLP

Primary Examiner:

Nicholas J Lane

Int. Cl.
CPC ...
F16D 65/22 (2006.01); B60T 13/58 (2006.01); B60T 13/74 (2006.01); B60T 1/06 (2006.01); F16D 51/22 (2006.01); F16D 51/24 (2006.01); F16D 51/00 (2006.01); F16D 121/04 (2012.01); F16D 121/24 (2012.01); F16D 125/40 (2012.01); F16D 127/02 (2012.01); F16D 131/00 (2012.01);
U.S. Cl.
CPC ...
B60T 13/588 (2013.01); B60T 13/746 (2013.01); F16D 65/22 (2013.01); B60T 1/067 (2013.01); F16D 51/22 (2013.01); F16D 51/24 (2013.01); F16D 2051/005 (2013.01); F16D 2121/04 (2013.01); F16D 2121/24 (2013.01); F16D 2125/40 (2013.01); F16D 2127/02 (2013.01); F16D 2131/00 (2013.01);
Abstract

A drum brake apparatus includes a housing; a main braking unit installed on one part of the housing, and driven by a hydraulic pressure and pressing a shoe, during main braking; and a parking braking unit installed on the other part of the housing, and driven by an electromotive force of an actuator and pressing the shoe, during parking braking, the parking braking unit includes a bevel gear section disposed in the housing while having a structure of a bevel gear, and rotated in association with the actuator; and a rod section connected with the bevel gear section, and moved out of the housing in association with the bevel gear section and pressing the shoe.

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