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. 11, 2007
Filed:
Dec. 17, 2004
Applicants:
Jack K. Shah, Lombard, IL (US);
T. Michael Benson, New Berlin, WI (US);
Inventors:
Jack K. Shah, Lombard, IL (US);
T. Michael Benson, New Berlin, WI (US);
Assignee:
TTX Company, Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B61K 5/00 (2006.01); B66F 7/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
The disclosed jack assembly is used to lift the frame of a railcar above a wheeled truck assembly in order to replace or perform maintenance upon the wheeled truck assembly. The jack assembly comprises a pair of hydraulically-powered lifting mechanisms located at opposing ends of a railcar-engaging member, such that the lifting mechanisms and the railcar-engaging member move as a unit to raise the frame of the railcar.