Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1978-09-28
1980-12-30
Rowland, James L.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
187 9R, 414921, B60P 144
Patent
active
RE0304620
ABSTRACT:
A platform is mounted in the doorway of a van so that it can be rotated from an upstanding stored position to a horizontal loading position level with the vehicle floor. From this point, it can be lowered to the ground. A particular linkage and cable-and-drum combination is disclosed which is very compact in the stored position. The unit is fully automated in that: (1) a switch, internal of the vehicle, can be actuated to mechanically open the vehicle doors and rotate the platform from the storage to the loading position or vice-versa; (2) a switch, accessible from the platform, can be actuated to lower or raise the platform between the loading and ground positions; and (3) a switch, external of the vehicle, can be actuated to open the doors and move the platform from the stored to the ground positions or vice-versa.
REFERENCES:
patent: 2581333 (1952-01-01), Vawter
patent: 2640612 (1953-06-01), Barry
patent: 3416677 (1968-12-01), Abfalter
patent: 3516559 (1970-06-01), Walter
patent: 3651965 (1972-03-01), Simonelli
patent: 3710962 (1973-01-01), Fowler
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