Land vehicles – Wheeled – Articulated vehicle
Patent
1976-09-07
1977-08-02
Goodman, Philip
Land vehicles
Wheeled
Articulated vehicle
172444, A01B 59043
Patent
active
040392015
ABSTRACT:
A tractor implement lift height amplifier including a lift arm mounted on a rock shaft on a tractor and having links connected to the arm and with the links connected with the draft arms attached between the tractor and a draft implement. The lift arm and links are arranged for abutting engagement when the lift arm is pivoted upwardly, to thereby effect a solid, rather than articulated, lift connection so that the additional upward pivoting of the lift arm will induce maximum lifting of the implement itself.
REFERENCES:
patent: 2844083 (1958-07-01), Du Shane
patent: 3380537 (1968-04-01), Morkoski
Goodman Philip
Hansmann Arthur J.
J. I. Case Company
Pekar John A.
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