Harvesting header having timed double sickle toothed belt drive

Details Harvesting header having timed double sickle toothed belt drive Harvesting header having timed double sickle toothed belt drive

A - Human Necessities

01

D

56/141

A01D 41/14 (2006.01) A01D 34/30 (2006.01)

Patent

CA 1290155

Abstract of the Disclosure Sprockets of a toothed belt drive for a double sickle harvesting header are carefully align- ed relative to each other and to the toothed belt so that the belt can be twisted about its longitudinal axis during advancement along a closed loop path of travel in order to translate rotary motion about a first axis to rotary motion about a second axis which is inclined relative to the first axis. The toothed belt has semicylindrical teeth, and two idler pulleys contact a return portion of the belt to insure that the same are maintained in parallel- ism with grooves formed in sprockets of the mechan- ism in order to avoid imposition of side thrusts on the belt or undue wear on the teeth. The toothed belt reciprocates both sickles of the harvesting header in synchronous, timed fashion along direct- ions opposite to each other so that vibrations which would otherwise be established by non-synchronous movement of the sickles are significantly dampened.

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