A - Human Necessities – 01 – B
Patent
A - Human Necessities
01
B
A01B 71/06 (2006.01) A01C 19/00 (2006.01) F16D 1/08 (2006.01) F16H 57/02 (2006.01)
Patent
CA 2435780
A gearbox is drivingly coupled to a seed meter by a drive element. The drive element comprises a drive shaft on which is mounted a multifaceted sleeve. The multifaceted sleeve is pinned to the drive shaft by a cotter pin. The cotter pin provides torque protection by defining a torque transmission limit. The multifaceted sleeve is driven by a gearbox output. The gearbox output is provided with a hexagonal opening into which the hexagonal sleeve is received. The drive shaft is provided with a drive coupling. The drive coupling comprises an annular axially extending bore having aligned transversely extending apertures passing therethrough. The drive coupling is coupled to the spindle of the seed meter. The spindle is received in the bore. A readily releasable pin extends between the drive shaft and spindle.
Friestad Michael Eric
Mariman Nathan Albert
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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