Interlock circuit for a vehicle with an optical second drive

Details Interlock circuit for a vehicle with an optical second drive Interlock circuit for a vehicle with an optical second drive

1992-06-24

1993-04-20

Bonck, Rodney H.

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

180273, 307 106, B60K 4128, B60K 2800

Patent

active

052034402

ABSTRACT:
An interlock circuit is provided for a vehicle having a first PTO shaft and an optional second PTO shaft. When the optional PTO is installed, a standard seat switch utilized with the base interlock circuit is connected to an additional relay to put the interlock into a potential defeat mode as soon as the operator leaves the seat, provided the vehicle parking brake is engaged and a mechanical selector lever is in a position wherein the optional PTO only is selected. Other interlock functions remain unaffected whether or not the optional PTO is installed.

REFERENCES:
patent: 3838748 (1974-10-01), Gray et al.
patent: 3999643 (1976-12-01), Jones
patent: 4317500 (1982-03-01), Bening
patent: 4509614 (1985-04-01), Bando et al.
patent: 4651018 (1987-03-01), Peterson
patent: 4974711 (1990-12-01), Peterson, Jr. et al.

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