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:
Oct. 03, 1978
Filed:
Feb. 07, 1977
Applicant:
Inventor:
Edward J Falk, St. Louis, MO (US);
Assignee:
Wagner Electric Corporation, St. Louis, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
60562 ; 60555 ; 60579 ; 60591 ; 303 / ;
Abstract
A tandem brake master cylinder has a proportioning valve between two pressure regions therein. The pressure in a second pressure region changes by a proportion of the change in a first pressure region at least over a part of the pressure range of the first pressure region.