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:
May. 24, 1988
Filed:
May. 29, 1987
Applicant:
Inventor:
George Lusa, Dayton, OH (US);
Assignee:
General Motors Corporation, Detroit, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16D / ; F16D / ;
U.S. Cl.
CPC ...
188-111 ; 188 7331 ;
Abstract
A disc brake assembly having a spring retainer holding the inner brake shoe assembly to the brake piston and also having a brake lining wear sensor formed as a part of the spring retainer which will engage the rotating disc of the assembly and generate an audible wear warning signal when the brake is actuated and the brake lining of the brake shoe assembly is worn sufficiently to permit such engagement.