Three point tractor hitch boom attachment

Details Three point tractor hitch boom attachment Three point tractor hitch boom attachment

1976-08-06

1978-01-10

Spar, Robert J.

Earth working

With ground support vertically adjustable relative to frame

Translating motion

172439, E02F 362

Patent

active

040674711

ABSTRACT:
A tractor attachment comprised of a lifting boom hinged to a base carried by an A-frame or the like as part of the three point hitch system that is moveable vertically and adjustable as to height. The boom swings upward by means of an extensible actuator operable between the base and a lever that positions an adapter on which the boom is replaceable to receive a drop line or the like at its terminal end.

REFERENCES:
patent: 3048228 (1962-08-01), Hess et al.
patent: 3368706 (1968-02-01), Vaalimaa et al.
patent: 3468442 (1969-09-01), Sarvela et al.
patent: 3667632 (1972-06-01), Tidswell
patent: 3851780 (1974-12-01), Martin

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