Three point hitch adaptor for a tractor

Details Three point hitch adaptor for a tractor Three point hitch adaptor for a tractor

1980-02-04

1982-07-20

Song, Robert R.

Land vehicles

Wheeled

Articulated vehicle

280415A, 280497, 414703, B60D 1000

Patent

active

043402402

ABSTRACT:
An adaptor for attachment to the three point hitch of a tractor enabling attachment of various implements regardless of implement attachment point spacing. A base member adjustably carries coupling means at its lower sides positionable to coincide with the spacing of the implement attachment points. A vertically positionable hook receives the attachment pin carried at the top of the implement A-frame. Locks automatically confine the implement attachment points against dislodgement. A lock control enables lock release from the tractor driver's station. A hydraulic cylinder is in inclined, intercoupled relationship with the adaptor and tractor to impart both upward and downward powered movement to the adaptor. Lift forks may be attached to the adaptor. Ball hitch members on the adaptor enable towing of various types of trailers.

REFERENCES:
patent: 2707643 (1955-05-01), Nelson
patent: 2838327 (1958-06-01), Collins
patent: 3427046 (1969-02-01), Sommer
patent: 3572759 (1971-03-01), Baugh
patent: 3716253 (1973-02-01), Gniffke
patent: 4002147 (1977-01-01), Feterl
patent: 4059283 (1977-11-01), Shelton
patent: 4091947 (1978-05-01), Fischer
patent: 4245458 (1981-01-01), Smith

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