Apparatus for coupling tug boats to barges

Details Apparatus for coupling tug boats to barges Apparatus for coupling tug boats to barges

B - Operations, Transporting

63

B

B63B 21/56 (2006.01) B63B 35/70 (2006.01)

Patent

CA 2421126

An improved apparatus for coupling a tug boat to a barge having a notch in its stern is provided. Coupling units mounted on the opposite sides of the tug have extendable and retractable rams which engage with channels on the opposite sides of the stern notch. Each ram includes two portions. The first portion can be non-rotatable and is extended and retracted by an actuator screw driven by a motor. The second portion can rotate relative to the first portion. Additionally, the second portion is capable of axial movement relative to the first portion. A load cell can be positioned between the first portion and the second portion to provide axial extension of the second portion to provide sufficient engagement force to couple the tug and barge.

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