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:
Jan. 17, 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, 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, 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 for cushioning buff and draft dynamic impact forces being applied to a center sill member of the railway vehicle during make-up of a train consist and in-track operation of such train consist includes a resilient cushioning member and a friction mechanism both axially mounted within the yoke with the friction mechanism positioned between the front end of the resilient cushioning member and the front coupler follower. A pair of the resilient cushioning members with the friction mechanism mounted therebetween may also be provided.