Bridges – Gangway – ramp – or dock leveler – Attached
Patent
1985-06-25
1987-06-30
Leppink, James A.
Bridges
Gangway, ramp, or dock leveler
Attached
14 725, E01D 1510
Patent
active
046759310
ABSTRACT:
Gangway assembly with a movable bridge part resting on a first surface, extending to a second surface, and connected between the two ends by at least one wire cable gripping the top end of a gantry carried by the first surface, the support of the first end being achieved via a carriage which can be moved over the first surface, the cable being guided over a first fixed pulley on the gantry and a second fixed pulley on the first surface, and with its other end being connected to the first end of the bridge.
REFERENCES:
patent: 2568330 (1951-09-01), Flippin
patent: 3228051 (1966-01-01), Voase et al.
patent: 3302229 (1967-02-01), Teague, Jr.
patent: 3385455 (1968-05-01), Dal Pont
patent: 3711882 (1973-01-01), Iller
patent: 3953980 (1976-05-01), Bennett
Heerema Engineering Service B.V.
Leppink James A.
Smith Matthew
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