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:
Sep. 09, 1980
Filed:
Dec. 21, 1978
Applicant:
Inventor:
Roger E Doerfler, Romulus, MI (US);
Assignee:
Kelsey Hayes Co., Romulus, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 / ; 303 / ;
Abstract
A brake proportioning apparatus which restricts and proportions the application of brake pressure to the wheels of a vehicle under certain conditions is provided. Spring forces and spring rates are utilized to provide a differential brake force to a proportioning valve and provide linear or non-linear programming of fluid pressure.