Floating dredger
OwnerWolfgang Rohrinventor
Life of this patent
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Abstract
The floating dredger is provided with a floating body and a framework 1 on which a drive for driving pulleys 2,3,4 is mounted. Over the driving pulley 2 a hoisting rope 5 is put; on both sides of the pulley the grippers 6,7 are suspended, by means of rope pulleys 8. Each of the hoisting rope 5 ends is fastened to a compensating winch 9,10 which provides for the rope to be compensated for varying dredging depths.
Claims4
Floating dredger with one floating body (31), on which a framework (1) is arranged, said framework being provided with a hoisting unit which propels, between upper and lower limit positions, two countercurrently driven clam-shell grippers (6,7) each having their own opening and closing mechanism, said floating dredger hoisting unit having at least one driving pulley (2), a hoisting rope (5) is placed over said at least one driving pulley (2), rope pulleys (8) for each of the grippers, and the hoisting rope ends are each fastened to a compensating winch (9,10), which provides for rope compensation for varying dredging depths between said upper and lower positions.
Dependencies are inferred from the claim text.