US 12,116,026 B2
Crash energy management systems for car coupling systems of rail cars
Scott A. Keener, Harrisburg, PA (US)
Assigned to Amsted Rail Company, Inc., Chicago, IL (US)
Filed by Amsted Rail Company, Inc., Chicago, IL (US)
Filed on Aug. 11, 2021, as Appl. No. 17/399,137.
Application 17/399,137 is a continuation in part of application No. 17/183,404, filed on Feb. 24, 2021.
Application 17/183,404 is a continuation in part of application No. 17/161,843, filed on Jan. 29, 2021.
Prior Publication US 2022/0242462 A1, Aug. 4, 2022
Int. Cl. B61G 11/12 (2006.01)
CPC B61G 11/12 (2013.01) 24 Claims
OG exemplary drawing
 
1. A crash energy management system configured to be disposed within a draft sill of a car coupling system for a rail vehicle, the crash energy management system comprising:
a front sub-assembly including a front end plate, guide legs extending between the front end plate and a front central plate, a front central tube extending between the front end plate and the front central plate, and stop walls coupled to the guide legs; and
a rear sub-assembly coupled to the front sub-assembly, wherein the rear sub-assembly includes a rear end plate, a rear central plate, and a rear central tube extending between the rear end plate and the rear central plate,
wherein the guide legs are configured to move over portions of the front central plate and the rear central plate as the front central tube deforms.