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:
Mar. 03, 2015
Filed:
Feb. 24, 2011
Applicant:
Robert N. Scharpf, Greenville, SC (US);
Inventor:
Robert N. Scharpf, Greenville, SC (US);
Assignee:
Wabtec Holding Corp., Wilmerding, PA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 31/524 (2006.01); B60T 7/18 (2006.01); B60T 17/22 (2006.01);
U.S. Cl.
CPC ...
B60T 17/228 (2013.01);
Abstract
A trip cock device includes a housing, a cam dog, a handle engaging the cam dog, a piston assembly at least partially received within the housing, and a fault detection valve secured to the piston assembly. The piston assembly includes a piston and the fault detection valve is configured to open and close. The fault detection valve engages the cam dog when closed.