Lawn and garden tractor interlock circuit

Details Lawn and garden tractor interlock circuit Lawn and garden tractor interlock circuit

1998-02-11

1999-11-30

Ip, Paul

Electricity: motive power systems

Motor-reversing

Periodic- or intermittent-reversing

318139, 307 91, 180 531, 180273, 192 0094, B60K 2800, B60K 4128

Patent

active

059948574

ABSTRACT:
An interlock system for a lawn and garden tractor or similar vehicle includes a PTO switch having off, on and momentary on positions and connected to a latching relay to provide PTO operation in reverse if the switch is moved to the momentary on position prior to the vehicle being shifted into reverse. Once the vehicle is operating in reverse with the PTO activated, the operator can release the switch from the momentary on position and the PTO will remain activated. However, once PTO operation has been interrupted for any reason, the PTO can be reenergized only after reverse operation has been stopped and the PTO switch has been moved to the off position.

REFERENCES:
patent: 4974711 (1990-12-01), Peterson, Jr. et al.
patent: 5078104 (1992-01-01), Peterson, Jr.
patent: 5203440 (1993-04-01), Peterson, Jr. et al.
patent: 5314038 (1994-05-01), Peterson, Jr.
patent: 5616964 (1997-04-01), Peterson, Jr.
patent: 5630489 (1997-05-01), Bebernes
patent: 5645135 (1997-07-01), Peterson, Jr.

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