Patent ID: 9533696
Date: 2017-01-03
CPC Classifications: B61G

Claim:
1. A railcar knuckle comprising: a buffing shoulder, a heel, a hub, a lock shelf, a locking face, a nose, a pin protector, a pulling lug, a spine, a spine transition, a tail, a tail stop, a thrower pad, a throat portion, a knuckle tail, a knuckle pulling face, a pulling lug, a front face, a C-10 pin hole, and a flag hole; wherein the C-10 pin hole and the flag hole features define a first transition casting section extending within an interior of the knuckle; said first transition casting section having a first side, a second side, a third side and a fourth side; wherein said first and second sides form a vertical axis of said first transition section and said third and fourth sides form a horizontal axis of said first transition section; wherein the first side defines a first arcuate portion defining a first radius and the second side defining a second arcuate portion defining a second radius adjacent to the vertical axis.