Bridges – Gangway – ramp – or dock leveler
Patent
1987-06-26
1988-08-09
Novosad, Stephen J.
Bridges
Gangway, ramp, or dock leveler
182218, 182223, 108112, 414537, 52226, 52228, 52645, E01D 100
Patent
active
047618477
ABSTRACT:
A portable folding ramp used for ascending or descending an object or platform. The ramp is comprised of a plurality of rectangular panels, respective ones of adjoining panels being pivotably hinged along adjacent sidewalls such that the ramp may be folded into a compact first state, or unfolded into a second state where the ramp may support a load. The ramp includes a cable and hinge system positioned on the underside of the panels to provide structural support to the ramp in the second state while allowing the panels to be folded into the compact first state.
REFERENCES:
patent: 963918 (1910-07-01), Miller
patent: 1115775 (1914-11-01), Bisbach
patent: 1232437 (1917-07-01), Simpson
patent: 1568303 (1926-01-01), Webster
patent: 2415461 (1947-02-01), Causey
patent: 2624058 (1953-01-01), Kudrna
patent: 2635889 (1953-04-01), Concello
patent: 3106826 (1963-10-01), Freidel et al.
patent: 3818528 (1974-06-01), Petersen
patent: 3936898 (1976-02-01), Poe
patent: 3976209 (1976-08-01), Burton
patent: 4528711 (1985-07-01), Packer
Graves J. W.
Knight John E.
Savage Carl P.
Tate Harold
Letchford John F.
Novosad Stephen J.
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