192 clutches and power-stop control – Clutches – Plural clutch-assemblage
Patent
1998-04-29
2000-02-15
Bonck, Rodney H.
192 clutches and power-stop control
Clutches
Plural clutch-assemblage
74361, 192 8921, 192 8926, 192 96, F16D 1356, F16D 2100, F16D 2312
Patent
active
060241985
ABSTRACT:
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 the 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.
REFERENCES:
patent: 1371251 (1921-03-01), Larson
patent: 1703788 (1929-02-01), Skinner
patent: 2319366 (1943-05-01), Rippingille
patent: 2439941 (1948-04-01), Lounsbury
patent: 2718792 (1955-09-01), Kiekhaefer
patent: 2737273 (1956-03-01), Pepper
patent: 3481438 (1969-12-01), Warrick et al.
patent: 4371062 (1983-02-01), Ohkubo
patent: 4945780 (1990-08-01), Bosma
Funk Manufacturing, "Typical Models--4050A010A0, 4050A020A0, 4050A021A0, 4050A050A0", 4 pages (no publication date).
Folk Robert Allen
Hamby Glenn Markham
Bonck Rodney H.
Deere & Company
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