Adaptor for a three point hitch

Details Adaptor for a three point hitch Adaptor for a three point hitch

1992-07-09

1993-12-07

Focarino, Margaret A.

Land vehicles

Wheeled

Articulated vehicle

280503, 172450, A01B 59043

Patent

active

052677478

ABSTRACT:
An adapter for enabling a tractor having a three point hitch to pull an implement designed for connecting to a sleeve hitch. The adapter comprises a frame with two parts, one part attachable to a three point hitch and a second part having a hole for receiving a pin to connect the adapter to the bracket of an implement. Two bolts, one on either side of the hole for the connecting pin, can be turned to threadingly engage the bracket and thereby prevent rotation of the implement about the pin. The three points of the adapter to which the tractor attaches are two spaced apart, coaxial bars and a member with a throughhole in it, located above and between the two bars, all connected to the frame.

REFERENCES:
patent: 2321516 (1943-06-01), Robertson
patent: 2341807 (1944-02-01), Olmstead
patent: 2465641 (1949-03-01), Gardner
patent: 3151883 (1964-10-01), Stuart
patent: 3421779 (1969-01-01), Shelby
patent: 3716253 (1973-02-01), Gniffke et al.
patent: 3843160 (1974-10-01), Frushour et al.
patent: 4069874 (1978-01-01), Buck et al.
patent: 4220350 (1980-09-01), Hatcher
patent: 4484759 (1984-11-01), Zwick

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