192 clutches and power-stop control – Clutches – Automatic
Patent
1974-07-17
1976-03-30
Scott, Samuel
192 clutches and power-stop control
Clutches
Automatic
192 21, 192 65, 192 94, 74333, 74378, F16d 2104, F16h 308, F16d 2300
Patent
active
039468410
ABSTRACT:
A clutch mechanism includes forward and reverse driving gears rotatably mounted on the input shaft which has first and second oppositely threaded driving spiral threads thereon. First and second clutch elements threadedly engage the spiral threads on the input shaft. In the neutral position, the clutch elements rotate with the input shaft but when rotation is impeded, the spiral threads drive the clutch elements axially into engagement with the driving gears. An improved shift mechanism includes a yoke having two legs which extend over flanges on the clutch elements. A pin member moves the clutch elements upon axial movement of the shift linkage. Drag is provided for the yoke so that the flange of the clutch element is pinched between the pin member and the yoke to impede rotation of the clutch element. The shift mechanism engages and disengages the clutch smoothly and with the engine torque providing most of the force required for engagement and disengagement.
REFERENCES:
patent: 1355152 (1920-10-01), Laird
patent: 1414622 (1922-05-01), Carter
patent: 1430627 (1922-10-01), Cleland
patent: 2735528 (1956-02-01), Dodge
patent: 2795964 (1957-06-01), Short
patent: 3212349 (1973-12-01), Bergstedt
patent: 3901361 (1975-08-01), Brownlie
LaFollette Robert L.
Miller Kenneth H.
American Challenger Corporation
Chandler Lance W.
Scott Samuel
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