Joint for securing a sickle drive pin

Details Joint for securing a sickle drive pin Joint for securing a sickle drive pin

A - Human Necessities

01

D

56/141

A01D 34/13 (2006.01) A01D 34/14 (2006.01) A01D 34/32 (2006.01) A01D 69/00 (2006.01)

Patent

CA 1147560

JOINT FOR SECURING A SICKLE DRIVE PIN ABSTRACT OF THE DISCLOSURE A pivot joint between a crop cutting sickle (13) and an offset drive arm (12) includes a pivot pin (37) which is connected to the sickle by antifriction bearings (23) and to the sickle drive arm (12) by a tapered wedging sleeve (43). Both ends of the pin (37) are threaded to receive nuts (57,58) which, when tightened, insure a tight joint which does not become loose when subjected to the reversing shock loads encountered in a crop cutting operation.

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