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 7823983 B1

PDF
Full Text
Expired
Date of Patent:
Nov. 02, 2010

Filed:

Mar. 28, 2005
Applicants:

Hiromi Inagaki, Saitama, JP;

Akifumi Watada, Nagano, JP;

Takenori Tsuchiya, Nagano, JP;

Inventors:

Hiromi Inagaki, Saitama, JP;

Akifumi Watada, Nagano, JP;

Takenori Tsuchiya, Nagano, JP;

Assignees:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B60R 25/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

A parking brake system is provided in which a parking brake state of a wheel brake is obtained by forward movement of a parking piston slidably fitted into a casing with the rear side of the parking piston facing a parking control fluid pressure chamber, a lock piston forming part of a lock mechanism for mechanically locking the forwardly moved state of the parking piston is slidably fitted into the casing to the rear of the parking piston and urged forwardly by a spring, an opening provide in a portion of the casing that the rear side of the lock piston faces is closed by a detachable lid member, a tool connection part enables a tool inserted through the opening to be detachably connected to the tool connection part. This enables an automatic parking brake state to be obtained by a simple structure without consuming power, and the parking brake state to be released by a manual operation for maintenance or inspection.


Find Patent Forward Citations

Inagaki, Hiromi. (2010). Parking brake system (U.S. Patent No. 7823983). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7823983

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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