Bulk-ship unloading system

Details Bulk-ship unloading system Bulk-ship unloading system

1995-11-17

1996-11-19

Merritt, Karen B.

Material or article handling

Marine loading or unloading system

Marine vessel to marine vessel

198519, 4141386, 4141407, 4141409, B65G 6760

Patent

active

055756034

ABSTRACT:
An apparatus for unloading bulk material from a ship floating in a body of water has a carriage displaceable horizontally adjacent the ship, a turntable on the carriage, and a generally upright column having a lower end pivoted on the turntable and an upper end. A column-moving hydraulic cylinder has one end pivoted on the column and another arm pivoted on the turntable and an arm pivoted on the upper end of the column has an outer end above the ship and is provided with a conveyor. An arm-moving hydraulic cylinder has one end pivoted on the arm and another end pivoted on the turntable. An outer vertical conveyor pivoted on the outer arm end has a lower end engaged in the material in the ship for extracting the material from the ship and delivering it to the arm conveyor. A conveyor-moving hydraulic cylinder has one end pivoted on the vertical conveyor and an opposite end pivoted on the arm. A controller is connected to all of the cylinders for actuating same to sweep the lower end along the ship.

REFERENCES:
patent: 3349892 (1967-10-01), Barre
patent: 3392818 (1968-07-01), Baschant
patent: 3519146 (1970-07-01), Moeller
patent: 4020953 (1977-05-01), Eklof et al.
patent: 4732523 (1988-03-01), Antikainen
patent: 4927311 (1990-05-01), Kada
patent: 5078261 (1992-01-01), Miller et al.

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