F - Mech Eng,Light,Heat,Weapons – 16 – H
Patent
F - Mech Eng,Light,Heat,Weapons
16
H
F16H 61/26 (2006.01) F16H 3/14 (2006.01) F16H 63/16 (2006.01)
Patent
CA 2254209
A dual clutch forward/reverse unit includes a pair of spring engaged clutch units and a pair of lifter pins, each pin operable to disengage a corresponding one of the clutches. An actuator mechanism for the forward/reverse unit includes a housing, a shaft rotatably mounted in the housing, and a hollow cylindrical sleeve rotatably mounted on the shaft. The shaft and the sleeve are operatively coupled to the lifter pins. The shaft has a pair of cam surfaces formed on an outer periphery thereof. The sleeve has a pair of openings through which the cam surfaces are exposed. A pair of lifters are pivotally supported in the housing. Each lifter has one side engaging a corresponding one of the lifter pins, and has another part engagable with one of the cam surfaces through a corresponding one of said openings. Each cam surface is thus operatively coupled to one of the lifter pins by a lifter. The sleeve is rotatable to a position wherein a wall of the sleeve acts to uncouple the lifters from the shaft so that the shaft can be rotated while both clutches are disengaged. The shaft is then rotatable to selectively engage one or the other of the clutches.
Folk Robert Allen
Hamby Glenn Markham
Borden Ladner Gervais Llp
Deere & Company
LandOfFree
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