Material or article handling – Vertically swinging load support – Nonfixed pivot
Patent
1979-06-26
1981-09-01
Sheridan, Robert G.
Material or article handling
Vertically swinging load support
Nonfixed pivot
172446, 414680, B60P 300
Patent
active
042869188
ABSTRACT:
An implement transporter including a trailer carried by two wheels or a pair of rear wheels and a pair of front wheels on axes of rotation with a lifting mechanism for lifting an implement carried by the trailer. One end of the arm is pivotally connected to the trailer at one side at the rear of the trailer. The lifting mechanism holds the implement with its center of gravity spaced from the pivot in a direction towards the opposite end of the arm. The arm is pivotable from a lifting position to a transport position. In the transport position, the center of gravity of the implement is located forwardly of the axes of the rear wheels. A hydraulic arm is pivotally attached at one end to the arm and pivotally attached at the other end to the trailer at a point rearwardly and inwardly from the arm pivot for selective rotation of the arm. The arm is located longitudinally substantially at said one side of the trailer when in the transport position. The lifting mechanism includes a lifting frame and a second pivot operatively connected to the lifting frame. A second hydraulic arm is operatively connected to the lifting frame for raising the lifting frame and attached implement, and moving the implement horizontally closer to the second pivot and for subsequently tilting the lifting frame and implement forwardly and upwardly about the second pivot so that the implement is located close to said one trailer side when the arm is moved to the transport position.
REFERENCES:
patent: 3576267 (1971-04-01), Blevins et al.
patent: 3727698 (1973-04-01), Van Selus
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