| 摘要 |
PROBLEM TO BE SOLVED: To provide a waterweed removing device which can be smoothly moved in a pond or a marsh with waterweeds densely growing on a water face or with a shallow part to thereby efficiently collect the waterweeds floating on the water surface. SOLUTION: The waterweed removing device is formed of a pair of cylindrical floats 1, 2 each having a spiral 7, 8 on the outer circumference thereof; an engine for rotatively driving the floats 1, 2, and a conveyor 10 arranged between the floats 1, 2, for raking up the collected waterweeds onto a main body of the device. COPYRIGHT: (C)2005,JPO&NCIPI
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