Land vehicles – Wheeled – Articulated vehicle
Patent
1978-06-14
1980-11-11
Pekar, John A.
Land vehicles
Wheeled
Articulated vehicle
172449, A01B 59043
Patent
active
042328780
ABSTRACT:
A coupler unit is provided for attaching a tractor to a farm implement. The unit includes a frame pivotally attached between the farm implement and lower trailing arms extending rearwardly from the tractor. Structure is provided from the upper portion of the frame for engaging a second point on the farm implement. A coupling arm is pivotally attached at one end to the upper portion of the frame and pivotally attached at a second end to the upper trailing arm extending from the tractor.
REFERENCES:
patent: 2346757 (1944-08-01), Horner
patent: 2573221 (1951-10-01), Romig
patent: 2712278 (1955-07-01), Wilson
patent: 3231294 (1966-01-01), Horney
patent: 3528685 (1970-09-01), Eastman
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