Bridges – Gangway – ramp – or dock leveler – Wheeled
Patent
1975-05-05
1976-02-10
Byers, Nile C.
Bridges
Gangway, ramp, or dock leveler
Wheeled
E01D 1512
Patent
active
039368980
ABSTRACT:
This invention consists primarily of a pair of hinged together plates of rectangular configuration which are secured fixedly to tubular members, each of the tubular members having leg members on one end of the ramp so as to support it in an inclined position, the unit includes a carrying handle, a latch strap and hook means for suspending the device from a wheel chair when it is not in use.
REFERENCES:
patent: 2141529 (1938-12-01), Gravelle
patent: 2624058 (1953-01-01), Kudrna
patent: 2759207 (1956-08-01), Pennington
patent: 3030645 (1962-04-01), Shaw
patent: 3069709 (1962-12-01), Law
patent: 3153798 (1964-10-01), Drevitson
patent: 3711882 (1973-01-01), Iller
patent: 3818528 (1974-06-01), Petersen
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