Material or article handling – Vehicle attached auxiliary carriers
Patent
1994-08-01
1996-10-22
Merritt, Karen
Material or article handling
Vehicle attached auxiliary carriers
224524, 224536, 414541, 414545, B60P 306, B60R 906
Patent
active
055671071
ABSTRACT:
A device has a sliding tube assembly which can be mounted to a motor vehicle. The tube assembly has three tubes which coaxially telescope between a lowered loading/unloading position and either a raised storage position or a raised loaded position. A pivotable platform attached to the tube assembly is controlled by a logic mechanism which senses whether cargo is present on the platform. If cargo is present, the platform may be raised and a locking mechanism secures the cargo to the platform. If no cargo is present as the platform is raised, it pivots into a folded storage position and is held securely by the locking mechanism. When the platform is in one of the two raised positions, the tube assembly and platform tilt forward. The device is driven by a motor activated linear actuator extending down through the tube assembly. A control system governs operation of the device.
REFERENCES:
patent: 3174634 (1965-03-01), Peck
patent: 4738581 (1988-04-01), Kuhlman
patent: 4741660 (1988-05-01), Kent
patent: 4775282 (1988-10-01), Van Vliet
patent: 5011361 (1991-04-01), Peterson
patent: 5122024 (1992-06-01), Stokes
patent: 5137411 (1992-08-01), Eul et al.
Boyd Robert M.
Bruno Michael R.
Krizek Janice L.
Merritt Karen
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