Bridges – Gangway – ramp – or dock leveler
Patent
1980-03-03
1983-01-25
Byers, Jr., Nile C.
Bridges
Gangway, ramp, or dock leveler
414141, 182 10, 182141, 182 2, 14 715, E01D 100
Patent
active
043695388
ABSTRACT:
System for offshore transfer of persons and goods, preferably between a supply vessel and a stationary platform or a moored drilling/production platform or vessel, comprising a rigid gangway of which one end is pivotable on a vertical and a horizontal axis arranged on a vessel. The second end of the rigid gangway having a transition to one end of a collapsible bellowshaped gangway where changes of the total length is approximately equalized between the various elements, while the second end of the gangway can be fixed to the vessel. When the bellow-shaped gangway is in use it is supported by ropes, rods or similar means. Each support is fastened at one end and the second end is fastened to a winch which can compensate for changes in the line tension when the fixing points are moving relative to each other.
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patent: 3426719 (1969-02-01), Mizell
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patent: 4112958 (1978-09-01), Anderberg
patent: 4133283 (1979-01-01), Ryan
patent: 4157742 (1979-06-01), Aanensen
patent: 4203504 (1980-05-01), Reynoir
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