Cam shift mechanism

Details Cam shift mechanism Cam shift mechanism

1980-03-10

1981-12-29

Bonck, Rodney H.

192 clutches and power-stop control

Clutches

Axially engaging

192 89A, 192 93A, 192101, F16D 1110

Patent

active

043077951

ABSTRACT:
Shift mechanism for a transmission is provided for engaging and disengaging a gear therein. The mechanism is particularly designed to disengage the gear when the transmission is under a heavy load. The mechanism includes a clutch dog or collar on a shaft, with the collar having at least one lug or tooth which is engagable with and disengagable from a lug or tooth on a gear rotatably carried on the shaft. The clutch collar has a peripheral flange with a cam configuration on the side toward the gear. A shifter fork has a projection or cam follower with a cam surface facing the cam surface of the flange. To disengage the clutch collar from the gear, the cam follower of the shifter fork is engaged with the cam surface of the clutch collar and forces it away from the gear to a disengaged position, even when the transmission is under a heavy load.

REFERENCES:
patent: 962567 (1910-06-01), Hancock
patent: 1193008 (1916-08-01), Fuller
patent: 1315578 (1919-09-01), Rock
patent: 1811655 (1931-06-01), Smitmans
patent: 1868343 (1932-07-01), Altorfer
patent: 2260770 (1941-10-01), Brownlee
patent: 4117652 (1978-10-01), Jones et al.

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