Wheeled container transfer self-aligning platform for marine terminal crane
First Claim
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1. For use with a marine terminal crane at a dockside pier, a system for transferring loaded containers to a ship alongside of said dockside pier by use of motorized vehicles comprising:
- a platform positioned on the dockside pier in underlying relation to the crane onto which a container is transported by a motorized vehicle;
unitary reception means on the platform for receiving and adjusting a position of the vehicle with the container thereon relative to the platform so as to maintain an aligned position with the crane;
positioning means for displacement of the unitary reception means relative to the platform in two 90°
related directions; and
sensing means mounted on the platform for detecting a position of the container relative to the platform and directionally controlling said displacement of the unitary reception means with the vehicle with the container thereon to maintain the aligned position with the crane to accommodate said transferring of the container by the crane from the platform to the ship.
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Abstract
A wheeled platform is positioned between the legs of a marine terminal crane for reception thereon and departure therefrom of a motor truck from which a container is transferred by the crane onto a dockside positioned ship. The container is supported by the platform on tables that are automatically positioned and maintained in operative alignment with the crane spreader bar through which the container is transferred to the crane boom in response to location indicating signals from a sensor grid on the platform.
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Citations
12 Claims
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1. For use with a marine terminal crane at a dockside pier, a system for transferring loaded containers to a ship alongside of said dockside pier by use of motorized vehicles comprising:
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a platform positioned on the dockside pier in underlying relation to the crane onto which a container is transported by a motorized vehicle; unitary reception means on the platform for receiving and adjusting a position of the vehicle with the container thereon relative to the platform so as to maintain an aligned position with the crane; positioning means for displacement of the unitary reception means relative to the platform in two 90°
related directions; andsensing means mounted on the platform for detecting a position of the container relative to the platform and directionally controlling said displacement of the unitary reception means with the vehicle with the container thereon to maintain the aligned position with the crane to accommodate said transferring of the container by the crane from the platform to the ship. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system for transferring shipping containers comprising:
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a platform positioned underneath a marine terminal crane and configured to receive a motorized vehicle transporting a container on an upper surface of the platform; a first movable unitary table on the upper surf-ace of the platform configured to receive a first portion of the vehicle and adjust a position of the vehicle relative to the platform so as to maintain an aligned position with the crane, a first drive system connected to the first table configured to displace the first table relative to the platform in two orthogonal directions; and a sensor mounted on the platform configured to detect a position of the container relative to the platform and control the displacement by the first drive system of the first table to maintain the aligned position with the crane to accommodate transfer of the container from the platform to the crane. - View Dependent Claims (11, 12)
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Specification