US 12,365,370 B2
Railway vehicle coupler having robust knuckle
Paul Wike, St. Louis, MO (US); Tom Petrunich, Troy, IL (US); Matthew Todt, Highland, IL (US); Paul Sanders, Houghton, MI (US); and Dale K. Dewald, Hancock, MI (US)
Assigned to Amsted Rail Company, Inc., Chicago, IL (US)
Filed by Amsted Rail Company, Inc., Chicago, IL (US)
Filed on Jan. 27, 2022, as Appl. No. 17/585,982.
Prior Publication US 2023/0234623 A1, Jul. 27, 2023
Int. Cl. B61G 1/40 (2006.01); B61G 7/00 (2006.01)
CPC B61G 1/40 (2013.01) [B61G 7/00 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A knuckle of a coupler of a rail vehicle, the knuckle comprising:
a main body comprising a recess formed in one or more surfaces; and
one or more weld fillers disposed within the recess,
wherein the one or more weld fillers are welded to the main body within the recess.