Bridges – Gangway – ramp – or dock leveler
Patent
1995-08-28
1997-06-03
Lisehora, James
Bridges
Gangway, ramp, or dock leveler
296 61, 414537, B62D 33033, E01D 1512
Patent
active
056342284
ABSTRACT:
A mobility aid ramp comprised of an elongated middle ramp comprising a first section and a second section, a pair of elongated outer ramps comprised a first section and a second section, and a plurality of flat rods pivotally coupling the pair of elongated outer ramps on opposing sides of the elongated middle ramp.
REFERENCES:
patent: 3756440 (1973-09-01), Raap et al.
patent: 3818528 (1974-06-01), Petersen
patent: 4528711 (1985-07-01), Packer
patent: 5277436 (1994-01-01), Frank et al.
patent: 5325558 (1994-07-01), Labreche
patent: 5440773 (1995-08-01), Lentini
patent: 5517708 (1996-05-01), Baranowski
patent: 5538308 (1996-07-01), Floe
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