Flywheel sickle drive mechanism

Details Flywheel sickle drive mechanism Flywheel sickle drive mechanism

A - Human Necessities

01

D

56/141

A01D 41/14 (2006.01) A01D 34/30 (2006.01) F16C 3/12 (2006.01) F16H 21/20 (2006.01)

Patent

CA 1290154

FLYWHEEL SICKLE DRIVE MECHANISM Abstract of the Disclosure An eccentric drive mechanism especially useful for a sickle assembly of a harvester or mower includes two shafts that are coupled to a wheel-like drive member such as a pulley, with one of the shafts being in offset relation to the other shaft and the central axis of the drive member. Each shaft presents inclined, flat wall portions in mutual interengagement, and releasable means are provided for bringing the wall sections into a position of wedging contact with each other and to the drive member in order to retain the rotative position of one of the shafts in a certain, pre- defined orientation relative to the rotative position of the other shaft and to the drive member. Advantageously, the drive; mechanism enables the wheel-like drive member to be supported on both sides to avoid imposition of cantilever-type loadings, and yet the mechanism can be readily disassembled and reassembled when desired without the need for extensive labor to realign and re- position the rotative orientation of the two shafts relative to the drive member. The eccentric shaft is coupled to a sway bar of the header for oscillation of the sickle.

564379

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