Universal hydraulic lift attachment for tractors

Details Universal hydraulic lift attachment for tractors Universal hydraulic lift attachment for tractors

1974-05-16

1976-02-24

Spar, Robert J.

Earth working

With ground support vertically adjustable relative to frame

Translating motion

172491, E02F 362

Patent

active

039400000

ABSTRACT:
The present invention relates to a hydraulic lift attachment that is universally attachable to almost all makes and models of tractors. In one embodiment, the lift attachment comprises a frame, a hollow support member rigidly attached to and depending from the frame, and a boom pivotably mounted at one end to the frame and extending rearwardly therefrom. A hydraulic piston assembly is connected between the boom and the frame and operates off the tractor's hydraulic system for pivotably moving the boom. The frame is primarily supported by the tractor draw bar which is inserted in the support member and secured thereto with removable bolts. Two chains, rigidly attached at one end to respective sides of the frame, are connectable at the other end to the lift arms of the tractor's three point hitch and provide additional support for the frame.

REFERENCES:
patent: 2470242 (1949-05-01), Felsing
patent: 2549734 (1951-04-01), White
patent: 2619016 (1952-11-01), Dooley
patent: 2757591 (1956-08-01), Stafford
patent: 3536222 (1970-10-01), Patnode

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