Traversing hoists – Overhead – Cable
Patent
1974-10-16
1976-05-18
Spar, Robert J.
Traversing hoists
Overhead
Cable
212 17, B60P 154
Patent
active
039571645
ABSTRACT:
An apparatus for quick attachment to and detachment from a wheelchair and which is capable of raising, lowering and conveying the wheelchair and an occupant thereof, whereby such a person may be conveyed into or out of an enclosure without leaving the wheelchair. The apparatus includes a manually actuated switch which may be held and operated by the wheelchair occupant to control the up-and-down and linear movement of the wheelchair while attached to and supported by the apparatus.
REFERENCES:
patent: 1614769 (1927-01-01), Amsler
patent: 2543379 (1951-02-01), Richardson
patent: 2793768 (1957-05-01), Schaedler
patent: 3074562 (1963-01-01), Clayborne et al.
patent: 3232455 (1966-02-01), Fountain et al.
patent: 3355040 (1967-11-01), Guttridge
patent: 3463334 (1969-08-01), Blakely et al.
patent: 3656637 (1972-04-01), Lynn et al.
Oresky Lawrence J.
Randolph John N.
Spar Robert J.
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