Variably biased control mechanism

Details Variably biased control mechanism Variably biased control mechanism

1975-01-23

1976-11-09

Scott, Samuel

192 clutches and power-stop control

Clutch and brake

251251, 254187G, B60K 4124, F16K 3144, B66D 100

Patent

active

039905527

ABSTRACT:
A control mechanism for regulating operation of a rotatable winch drum through a power train including a brake which is normally engaged by hydraulic pressure to secure the winch drum against rotation and a normally disengaged clutch which is selectively engaged by hydraulic pressure for driving the winch drum in a reeling-in mode, the control mechanism including a control lever which is movable for selectively communicating hydraulic fluid to the brake and clutch, first and second biasing means being associated with the control lever to provide for adjustment of the lever at different rates of modulation.

REFERENCES:
patent: 2279597 (1942-04-01), Selmer
patent: 2543649 (1951-02-01), Wales et al.
patent: 2725890 (1955-12-01), Kanuch
patent: 3124970 (1964-03-01), Walker
patent: 3144107 (1964-08-01), Davies et al.
patent: 3841608 (1974-10-01), Schmitt et al.

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