Patent ID: 8662327
Filing Date: 2014-03-04
Classification: B22C,B61G

Abstract:
1. A finger core for forming the front part of a knuckle for a railcar, said finger core comprising: a single opening to form a single rib at the horizontal center line of a resulting knuckle, wherein said single opening is about 2.1″ high and about 4.9″ wide, and wherein said single opening has four corners that are rounded and symmetrically located in both front and back sides of the single opening, said single opening positioned in a flat plane that runs parallel to a flag hole core and along a length of the finger core, the length of the finger core running from the flag hole core on a first end of the finger core to a projection on a second end of the finger core that attaches the finger core to a C-10 pivot pin core.