Tractor mounted implement device

Earth working – With ground support vertically adjustable relative to frame – Translating motion

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Details

172275, 214152, E02F 372

Patent

active

039918904

ABSTRACT:
A ground-working tool is mounted on the forward end of a boom pivotally connected to upstanding standards on a U-shaped frame having a transversely extending member at the forward end from which a support stand depends for engagement with the ground to support the implement independently of the tractor in cooperation with the ground-working tool. Hydraulic cylinders extend between the U-shaped frame and the boom to pivot the boom relative to the frame. A tractor includes oppositely disposed rearwardly mounted support brackets for supportingly engaging the standards while the forward end of the tractor includes a step bracket having vertical and horizontal portions over which an L-shaped stop plate is positioned. In mounting the implement on the tractor the tractor is driven into the U-shaped frame until the vertical portion of the front tractor bracket engages the transversely extending portion of the U-shaped frame whereupon the power cylinders are connected to the hydraulic system of the tractor and operated to pivot the boom towards the U-shaped frame member about an axis through the vertical portion of the step bracket causing the standards to pivot down into engagement with the side brackets on the tractor. The pivoting continues until the transversely extending frame portion is above the horizontal portion of the step bracket. Next the tractor is driven forwardly relative to the implement allowing the transversely extending portion to move onto the horizontal portion of the step where it is now limited against up or down vertical movement and rearward movement by this stop plate and the step. A lock opening is provided on each of the side brackets to receive a wedge-shaped foot on the bottom of the standards whereupon a spring-loaded cam actuated pin may engage the foot. The foot moves into the lock opening upon the tractor being driven forwardly and as the transversely extending frame member moves onto the step bracket.

REFERENCES:
patent: 3043375 (1962-07-01), Astrom
patent: 3324954 (1967-06-01), Westendorf
"Triggs Farming Tools Catalog," pp. 7-9, Printed Nov. 1, 1967.

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