Actuating arrangement for a power lift

Details Actuating arrangement for a power lift Actuating arrangement for a power lift

1986-09-17

1989-04-04

Stouffer, Richard T.

Earth working

Automatic power control

Draft responsive

200 6154, A01B 63112

Patent

active

048177261

ABSTRACT:
A control system for the hitch of a tractor includes a motor for moving the mechanical control linkages connected to a hitch control valve, the motor being in the form of an electric motor. The motor is controlled by way of an electrical circuit which includes a main switch, one or more secondary switches which are disposed outside a driving cabin, and a safety switch. The safety switch permits flow of current to the motor only when positional regulation is selected by a hitch control mode selector lever.

REFERENCES:
patent: 2629306 (1953-02-01), Rusconi
patent: 2674332 (1954-04-01), Oushinsky
patent: 3455397 (1969-07-01), Nelson et al.
patent: 3468379 (1969-09-01), Rushing et al.
patent: 4508014 (1985-04-01), Shoff
patent: 4508176 (1985-04-01), Wiegardt et al.

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