Transfer system for use between platforms having relative motion

Details Transfer system for use between platforms having relative motion Transfer system for use between platforms having relative motion

1980-12-08

1983-07-26

Paperner, Leslie J.

Material or article handling

Marine loading or unloading system

Marine vessel to marine vessel

114259, 114366, 212146, 254277, 254900, 414786, B65G 6758

Patent

active

043951783

ABSTRACT:
A carrier adapted to move between a movable vessel, such as a boat, and a stationary platform. The carrier has an extendable and retractable intermediate uphaul line adapted to be connected to a crane on the platform. It also has a downhaul line connected between the carrier and the vessel. When the carrier is being lifted from the vessel, the downhaul line is payed out at a controlled rate with the uphaul line extending and retracting to keep the carrier out of contact with the vessel which may be rising or falling due to wave action of the water. At a predetermined elevation, the tension in the downhaul line is decreased so that the uphaul line retracts to move the carrier out of the area of possible contact with the vessel. The reverse operation is followed to move the carrier from the platform to the vessel.

REFERENCES:
patent: 2813719 (1957-11-01), Hopper
patent: 2998148 (1961-08-01), Himel
patent: 3662991 (1972-05-01), Lakiza et al.
patent: 4003472 (1977-01-01), Reynolds
patent: 4025055 (1977-05-01), Strolenberg
patent: 4166545 (1979-09-01), Martinussen et al.
patent: 4180362 (1979-12-01), Stair
patent: 4236695 (1980-12-01), Morrison
patent: 4324385 (1982-04-01), Cojean et al.

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