192 clutches and power-stop control – Vortex-flow drive and clutch – With brake
Patent
1975-12-22
1976-12-28
Wyche, Benjamin W.
192 clutches and power-stop control
Vortex-flow drive and clutch
With brake
192 356, 192 18B, 192 02R, 56 118, 180101, 192 072, 192 09, B60K 2100, A01D 6908
Patent
active
039996433
ABSTRACT:
A transmission lever operated switch is incorporated in the electric control circuit for an electric clutch employed in the drive of a tractor mounted mower whereby the electric circuit is deenergized whenever the transmission control lever is placed in its reverse position. The control circuit for the electric clutch includes a seat operated switch whereby the electric circuit will be deenergized whenever the seat is unoccupied. The electric circuit further includes an on-off switch which is interconnected with an ignition circuit switch for an internal combustion engine whereby when the ignition switch is closed, the on-off switch for the electric clutch circuit will be open. Thus, during starting of the engine, the mower blade drive will be inoperative due to the deenergization of the electric clutch control circuit. The electrical interlock control prevents operation of the mower blade during starting of the engine, when the operator's seat is unoccupied and/or when the transmission control is in reverse.
REFERENCES:
patent: 1978523 (1934-10-01), Davis
patent: 3605962 (1971-09-01), Maynard
patent: 3773156 (1973-11-01), Nyguist
patent: 3827540 (1974-08-01), Bolinger et al.
Allis-Chalmers Corporation
Schwab Charles L.
Wyche Benjamin W.
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