Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1993-08-02
1994-12-06
Bucci, David A.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
414917, 414921, B60P 144
Patent
active
053704932
ABSTRACT:
A lifting apparatus for a vehicle, which comprises: a platform adapted to be fitted into a cut portion formed at the backward portion of the floor of a vehicle; a drive element provided at support members attached to the lower part of the floor; a drive shaft axially supported by the support members so that it rotates by expanding or contracting movement of a working rod of the drive element; an L-shaped drive arm having an elbow portion fixed to the drive shaft, a short rod portion, and a long rod portion pivotally supported by the platform; an L-shaped driven arm provided oppositely to the drive arm and having a long rod portion similarly pivotally supported by the platform, an elbow portion pivotally supported by the support member, and a short rod portion; and a connecting rod having both end portions respectively pivotally supported by the short rod portions of the driven arm and the drive arm, and adapted for transmitting a drive force of the drive element.
REFERENCES:
patent: 1113191 (1914-10-01), Breese, Jr.
patent: 2843277 (1958-07-01), Brannan
patent: 3637097 (1972-01-01), Horowitz
patent: 3830384 (1974-08-01), Barber
patent: 4095704 (1978-06-01), Ratliff
patent: 4134504 (1979-01-01), Salas et al.
patent: 4273217 (1981-06-01), Kajita
Bucci David A.
Greigg Edwin E.
Greigg Ronald E.
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