Tiltable tailgate lift

Details Tiltable tailgate lift Tiltable tailgate lift

1989-03-30

1990-06-05

Bucci, David A.

Material or article handling

Self-loading or unloading vehicles

Loading or unloading by other carrier or mover means, and...

414917, B60P 144

Patent

active

049309730

ABSTRACT:
A platform lift mountable to a vehicle, which includes a platform that can remain horizontal while lifting and can tilt to faciltate loading and unloading of the platform. The lift includes a linkage pivotally mounted to the base frame, and the linkage includes a base leg, a platform leg, a lift arm, and a reference arm. In a lift/lower mode the legs and the arms form a parallelogram system that will maintain the platform in a level horizontal arrangement. In a tilt mode, the upper arm is extensible in order to change the geometry from a parallelogram to a quadrilateral with equal legs and unequal arms.

REFERENCES:
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patent: 3638811 (1972-02-01), Robinson
patent: 3842997 (1974-10-01), Sprikkelman
patent: 3977544 (1976-08-01), D'Hollander
patent: 4111317 (1978-09-01), Robinson
patent: 4147261 (1979-04-01), Dautel et al.

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