Variably biased control mechanism

Details Variably biased control mechanism Variably biased control mechanism

1976-07-21

1978-02-21

Cohen, Irwin C.

Motors: expansible chamber type

Differential

91460, 251231, 251251, F15B 1116, F15B 1306

Patent

active

040746135

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: 26301 (1859-11-01), Stoddart
patent: 44071 (1864-09-01), Brown
patent: 287877 (1883-11-01), Skinner
patent: 415671 (1889-11-01), Harris
patent: 1092359 (1914-04-01), Heinrich
patent: 2279597 (1942-04-01), Selmer
patent: 2725890 (1955-12-01), Kanuch
patent: 3055225 (1962-09-01), Miller
patent: 3841608 (1974-10-01), Schmitt et al.

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