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.
Type:
Grant
Filed:
May 1, 2008
Date of Patent:
March 20, 2012
Assignee:
Wabtec Holding Corp
Inventors:
Ronald J. Sprainis, Michael E. Ring, Bradley Anderson, Jonathon Marlow, David Meyer, Michael Moriarity, Wajih Kanjo