F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
74/293
F16B 19/00 (2006.01) B21D 53/36 (2006.01) F16B 21/12 (2006.01)
Patent
CA 1157688
ABSTRACT OF THE DISCLOSURE A coupling pin for agricultural implement hitches and other mechanical couplings includes an elongated generally cylindrical body portion and a ring- like retainer portion integrally formed with the body portion. The coupling pin is formed from spring steel plate or the like by a shearing or blanking operation and successive bending operations to form the pin body from opposed overlapping or abutting blade portions. The ring-like retainer portion which is concomitantly formed with the pin body has opposed sides drawn to shorten the retainer to provide engagement of a recessed portion formed on the retainer with the distal end of the pin body.
384473
Barnes David A.
Goudreau Gage Dubuc
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