Gangway element

Details Gangway element Gangway element

1974-11-05

1976-03-16

Byers, Nile C.

Bridges

Gangway, ramp, or dock leveler

Wheeled

404 19, 52180, 14 73, E01D 1512

Patent

active

039435890

ABSTRACT:
A skid-proof gangway element in the form of a metal sheet having large holes with upwardly pressed edges and small holes arranged between the large holes and having downwardly pressed edges. The sheet material between the large holes is inclined toward the small holes so as to allow oil to be drained off. The upwardly pressed edges of the large holes provide skid-proof zones.

REFERENCES:
patent: 2281822 (1942-05-01), Bills
patent: 2326963 (1943-08-01), Morton
patent: 2421171 (1947-05-01), Trautvetter
patent: 2781703 (1957-02-01), Nagin
patent: 3093216 (1963-06-01), Dunham
patent: 3181440 (1965-05-01), Mullaney
patent: D183691 (1958-10-01), Grover

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