| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fishing sinker constituted so as to get away from a caught place by attaching a rotary disc to the fishing sinker in a rotatable manner. Ž<P>SOLUTION: Since the rotary disc 1 is attached to the head 2 of the fishing sinker in a rotatable manner so as to be slightly protruded from the head 2 and side of the sinker and a part of the protruded rotary disc 1 is in contact with an obstacle when the sinker is caught on the obstacle in the water, the rotary disc 1 is rotated by strongly pulling a main fishing line and moved from the caught place of the obstacle to make the sinker get away from the obstacle. Three or more rotary discs 1 are attached to the fishing line but the number of them and the size and protruded quantity of each of then are determined corresponding to the size of the sinker. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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