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. 20, 2012
Filed:
May. 01, 2008
Ronald J. Sprainis, Springfield, OR (US);
Michael E. Ring, Saint John, IN (US);
Bradley Anderson, Des Plaines, IL (US);
Jonathon Marlow, Hobart, IN (US);
David Meyer, Mt. Lebanon, PA (US);
Michael Moriarity, Lansing, IL (US);
Wajih Kanjo, Homer Glen, IL (US);
Ronald J. Sprainis, Springfield, OR (US);
Michael E. Ring, Saint John, IN (US);
Bradley Anderson, Des Plaines, IL (US);
Jonathon Marlow, Hobart, IN (US);
David Meyer, Mt. Lebanon, PA (US);
Michael Moriarity, Lansing, IL (US);
Wajih Kanjo, Homer Glen, IL (US);
Wabtec Holding Corp, Wilmerding, PA (US);
Abstract
A draft gear assembly which is mountable within a yoke of the railway vehicle for cushioning buff and draft dynamic impact forces encountered during make-up and operation of a railway vehicle includes a compressible spring positioned intermediate the front coupler follower and the rear follower in alignment with the longitudinal axis of the yoke. A pair of axially aligned compressible springs may be also provided being either separated by a center plate or by a wall of the yoke.