Variable length link for a three-point hitch

Details Variable length link for a three-point hitch Variable length link for a three-point hitch

1986-03-28

1987-07-21

Pekar, John A.

Land vehicles

Wheeled

Articulated vehicle

280461A, 280479R, 172439, B60D 114

Patent

active

046813365

ABSTRACT:
A variable length lift link for a three-point hitch has two parts which are threaded together such that one part which is formed as a spindle moves relative to the other as it is rotated. Rotation of the spindle is provided by way of an electric motor which drives the spindle through a step-down transmission, including a worm gear. The electric motor can be controlled from either the operator's station on the vehicle or from behind the vehicle in the area where an implement is attached. Limit switches control the maximum and minimum lengths of the variable length link.

REFERENCES:
patent: 3432184 (1969-03-01), Tweedy
patent: 3561789 (1971-02-01), Stikeleather
patent: 3572761 (1971-03-01), Tapp et al.
patent: 3572763 (1971-03-01), Cannon et al.
patent: 3850450 (1974-11-01), Hadskey

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