B - Operations – Transporting – 61 – G
Patent
B - Operations, Transporting
61
G
B61G 3/04 (2006.01) B22D 25/02 (2006.01)
Patent
CA 2171030
A railway car coupler includes a knuckle that is rotatable about a pivot pin. The knuckle is comprised of a tail section, a hub and a nose section. The knuckle is usually made of steel in a casting operation. The pivot pin opening in the knuckle is cylindrical with generally straight walls with a reduced diameter centrally located cylindrical relief area. The nose has a blunt end, and a thicker internal reinforcing section is made by having an end of the face core extend a lesser distance toward the pivot pin opening. The transition area between the tail and the nose is formed by parabolic shaped upper and lower sections.
Hawthorne V. Terrey
Kaufhold Horst T.
Schwinn George G.
Amsted Industries Incorporated
Gowling Lafleur Henderson Llp
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