Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1989-04-27
1991-04-16
Werner, Frank E.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
414558, B60P 146
Patent
active
050077945
ABSTRACT:
A load-carrying attachment for a vehicle to unload cargo from or load cargo onto the vehicle. The attachment includes a pair of spaced horizontal support beam assemblies having first and second ends. A cross beam connects the first ends of the beam assemblies to form a fixed frame with the beam assemblies. The cross beam is attachable to the vehicle such that the assembly is movable along the periphery of the vehicle. The attachment includes a pair of leg members, one of the leg members being attached to one of the support beam assemblies. The leg members include hydraulic cylinders for raising and lowering the support beam assemblies and wheel assemblies which can be employed as wheels when moving the attachment or as bases when the attachment is being employed to load or unload cargo. The attachment further includes a mast which is slidably attached to the beam assemblies such that it is movable along the beam assemblies. The mast is positioned between the beam assemblies. A carriage is slidably attached to the mast such that it is movable along an axis parallel to the longitudinal axis of the mast. A load engaging member is attachable to the carriage. When the load engaging member is engaging a load and attached to the carriage, the carriage and mast can be operated to move the load onto or off of the vehicle.
REFERENCES:
patent: 2812868 (1957-11-01), Crile
patent: 2836311 (1958-05-01), Oury
patent: 3176861 (1965-04-01), Paul et al.
patent: 4690609 (1987-09-01), Brown
patent: 4810160 (1989-03-01), Emiliani et al.
Figueroa Luis A.
Werner Frank E.
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