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.

Date of Patent:
Mar. 19, 2013

Filed:

Oct. 06, 2009
Applicant:

Wooyeol Kim, Gunpo-si, KR;

Inventor:

Wooyeol Kim, Gunpo-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60K 20/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A parking brake apparatus may include a parking brake actuator that has a housing that is fixed to a transmission case and a piston including a piston rod, wherein the piston is mounted in the housing to reciprocate along the housing, a lever pivotally coupled to the transmission case, wherein one end portion of the lever is pivotally connected to the piston rod, a sprag rod that is pivotally connected to the other end portion of the lever, and an operational elastic member that is disposed around a rotary shaft of the lever and elastically supports the lever in one rotational direction against the transmission case, wherein the rotary shaft is rotatably coupled to the transmission case.


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