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:
Feb. 10, 1976
Filed:
Nov. 29, 1974
Applicant:
Inventors:
David T Ayers, Jr, Birmingham, MI (US);
Roger E Doerfler, Detroit, MI (US);
William Stelzer, Milford, MI (US);
Assignee:
Kelsey-Hayes Company, Romulus, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 / ; 188349 ;
Abstract
A device for varying the proportion of brake pressure delivered to the front and rear brakes of a vehicle, and including a differential area piston for decreasing the proportion delivered to the rear brakes between the first and second inlet pressures, and an additional valve assembly actuatable in response to a predetermined pressure differential between the fluid pressure delivered to the piston and the fluid pressure delivered thereby to the rear brakes so as to establish a decreasing pressure differential between the pressure delivered to the front and rear brakes.