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:
Nov. 03, 1998
Filed:
Nov. 12, 1996
Applicant:
Inventors:
Lawrence M Kushnir, North Huntingdon, PA (US);
Brian L Cunkelman, Blairsville, PA (US);
Assignee:
Westinghouse Air Brake Company, Wilmerding, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H / ;
U.S. Cl.
CPC ...
200 6187 ; 303 50 ;
Abstract
A manually operable pneumatic emergency brake valve and electric switch including a valve body having an inlet port and an outlet port, an internal valve assembly normally seated by the biasing force of a helical spring, a pair of pivotal levers for operating a movable valve stem to unseat said internal valve assembly, and said movable stem including a cam surface for actuating the electric switch to signify an emergency brake application.