Material or article handling – Self-loading or unloading vehicles – Loading or unloading by other carrier or mover means – and...
Patent
1997-01-23
2000-07-04
Brahan, Thomas J.
Material or article handling
Self-loading or unloading vehicles
Loading or unloading by other carrier or mover means, and...
414917, B60P 144
Patent
active
060829583
ABSTRACT:
A lift-type loading platform system, which system can be mounted on a motor vehicle, particularly a truck, the system including a lifting and closing mechanism which has an essentially parallelogram configuration, which mechanism includes two supporting frames which are generally mutually parallel and spaced a distance apart, an essentially plate-like loading platform, intended for raising and lowering a load and for closing off a cargo compartment or backdraft space of the vehicle, a "lifting" cylinder mechanism for raising and lowering the platform, and a "closing" cylinder mechanism for swinging the loading platform back and forth from the horizontal to the vertical position. In the "lifting and closing mechanism", the force application points of the "lifting" cylinder mechanism lie in a plane including pivot points, respectively, of the elements of the first supporting frame via which elements the "lifting" cylinder mechanism associated with the first supporting frame exerts forces on the frame, and the force application points of the "closing" cylinder mechanism lie in a plane including the pivot points, respectively, of the elements of the second supporting frame via which elements the "closing" cylinder mechanism associated with the second supporting frame exerts forces on or from the frame.
REFERENCES:
patent: 2792135 (1957-05-01), Wood
patent: 2850187 (1958-09-01), Roberts
patent: 2889059 (1959-06-01), Selzer
patent: 3842997 (1974-10-01), Sprikkelman
patent: 3883014 (1975-05-01), Glomski et al.
patent: 4147261 (1979-04-01), Dautel et al.
patent: 5588793 (1996-12-01), Chang
Brochure of Productions AB Hydro Lift of Tursalla, Sweden.
Brahan Thomas J.
Sorensen Hydraulik, Zweigniederlassung, Ulfborg, Filial AF Soren
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