Method for transferring cargo between vessel and dock

Details Method for transferring cargo between vessel and dock Method for transferring cargo between vessel and dock

1989-07-24

1991-08-13

Spar, Robert J.

Material or article handling

Apparatus for moving intersupporting articles into, within,...

Stack forming apparatus

4141413, 4141417, B65G 6300, B65G 6760

Patent

active

050392751

ABSTRACT:
A transfer frame mounted on a dock and formed with a pair of side by side elevator towers extending upwardly to about the level of the uppermost container on a ship to be unloaded and over on their sides facing such ship. Elevators are mounted in the towers for up and down movement to transfer cargo from the higher elevation to a lower elevation to be fed onto a feed conveyor. An overhead crane includes a boom projecting over the towers and over the containers on the ship. A trolley is mounted on the boom for shifting between the tower and ship and includes a hoist for hoisting cargo containers from the ship for transfer along under the beam and through such opening side of the tower to a position over one of the elevator platforms for being lowered a short distance thereto. Simultaneously, an outgoing container may be moved onto the other elevator and elevated for pick up by the hoist after the discharge container is released. The method of the present invention involves transfer of the containers via the trolley by elevating such containers slightly from their pick up points and transporting them along the boom to be loaded on the elevator platforms previously disposed at essentially at the same height and unloaded on the elevator platform at substantially the same elevation as the pick up point from the ship.

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