Pivotable and extendable apparatus for lifting a person to and f

Details Pivotable and extendable apparatus for lifting a person to and f Pivotable and extendable apparatus for lifting a person to and f

1975-08-28

1977-04-05

Spar, Robert J.

214 75T, 214672, B60P 144

Patent

active

040157253

ABSTRACT:
An apparatus for lowering and raising a handicapped person from a vehicle. A post is fixedly mounted within the vehicle having a top end pivotally supporting a channel. A member is slidably and telescopically mounted to the channel with a platform pivotally mounted to the bottom end of the member. A screw extends through the channel being threadedly engaged with the member and drivingly rotated by a sprocket and chain combination in turn driven by a motor. Rotation of the screw results in the extension and retraction of the member. A bridge is pivotally mounted in the vehicle and may be swung outwardly forcing the platform outwardly of the truck. The bridge allows for a wheelchair to be moved from the vehicle across the bridge and to the platform which is then lowered. In a second embodiment, the platform is supported by a second member telescopicially mounted to a second channel in turn pivotally mounted to a second post mounted within the vehicle and aligned with the first post.

REFERENCES:
patent: 2339020 (1944-01-01), Le Tourneau
patent: 2867341 (1959-01-01), Tieslau
patent: 3270899 (1966-09-01), Brown et al.
patent: 3478904 (1969-11-01), Courter
patent: 3710962 (1973-01-01), Fowler
patent: 3811579 (1974-05-01), Black
patent: 3823839 (1974-07-01), Petzing et al.
patent: 3847292 (1974-11-01), Williams et al.
patent: 3912048 (1975-10-01), Manning
patent: 3918596 (1975-11-01), Ward

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