Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1981-09-25
1984-06-26
Stoner, Jr., Bruce H.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
414541, 414550, 414917, B60P 144
Patent
active
044564210
ABSTRACT:
Lifting apparatus in combination with at least one substantially upright wall having an opening therein for providing access through the wall. The preferred combination comprises a vehicle, such as, a van (1), having a rear or side door opening therein, the lifting apparatus including a generally planar, load support portion (12) which is movable between a storage position (A,C) interior of the vehicle (1) and an operative position (B) exterior of the vehicle. In the operative position (B), the load support portion (12) lies in a generally horizontal plane substantially normal to that of the vehicle opening, with the support portion (12) being movable between its storage position (A,C) and its operative position (B) via an intermediate, inoperative position exterior of the vehicle (1). In this inoperative position, the load support portion (12) lies in a generally vertical plane substantially normal to that of the opening to provide substantially unobstructed access through the opening to the vehicle interior. The lifting apparatus preferably comprises a parallelogram-type raising and lowering portion (9,9') operated by a piston cylinder arrangement (8,8'), the load support portion (12) being pivotally movable between its intermediate and operative positions with respect to the raising and lowering portion.
REFERENCES:
patent: 3182826 (1965-05-01), Mutto
patent: 3233758 (1966-02-01), Darfus
patent: 3952890 (1976-04-01), Armstrong
Barlow James E.
Stoner Jr. Bruce H.
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