Ship weight cargo loading and unloading system

Details Ship weight cargo loading and unloading system Ship weight cargo loading and unloading system

1994-06-13

1996-04-30

Bucci, David A.

Material or article handling

Marine loading or unloading system

Marine vessel to/from shore

14 713, B63B 2714

Patent

active

055119220

ABSTRACT:
This invention relates to a loading and unloading system in a ship wherein a transport car carrying weight cargo enters the ship from an opening in the gunwale via a ramp. The system comprises a lift table which permits the car to board, mechanisms for raising and lowering the lift table disposed at least at the four corners of the table, a ramp of which the near end is selectively supported on the lift table, sensors for detecting the tilt angle of the ramp and the horizontality of the lift table, and a controller for controlling the raising and lowering mechanisms so as to respectively maintain the tilt angle of the ramp and the horizontality of the lift table within set predetermined limits. The tilt of the ramp is thereby maintained within fixed limits irrespective of relative displacements of the ship's hull and the wharf so that the transport car always runs smoothly between the lift table and the wharf.

REFERENCES:
patent: 3846860 (1974-11-01), Kummerman
patent: 5107781 (1992-04-01), Ebeling et al.

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