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:
Jun. 28, 1983

Filed:

May. 19, 1980
Applicant:
Inventor:

Willibrod Conrad, Octendunig, DE;

Assignee:

Lucas Industries Limited, Birmingham, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16D / ;
U.S. Cl.
CPC ...
188 / ; 1921 / ;
Abstract

A vehicle drum brake comprises an automatic adjuster with thermal compensation, so that the brake does not become over-adjusted following thermal expansion and subsequent contraction of the drum. The adjuster overcomes the problems associated with adjusters which at high temperatures are disabled, and so might leave the brake under-adjusted. The adjuster comprises a bimetallic strip or equivalent incorporated into the adjuster strut to expand the strut when the drum expands, and to contract the strut when the drum contracts. Thus the adjuster takes up excess slack due to lining wear, but not that due to drum expansion. The adjuster is suited for use on those drum brake adjusters where the strut is lengthened by operation of the service brake actuator, and not of the handbrake actuator.


Find Patent Forward Citations

Conrad, Willibrod. (1983). Automatic adjusters for drum brakes (U.S. Patent No. 4390086). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4390086

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

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