| 摘要 |
PROBLEM TO BE SOLVED: To provide a user-friendly and economical weight-adjusting sinker for fishing. SOLUTION: The weight-adjusting sinker for fishing has a through hole for a fishing line in the central part of the same, a metal ring installed on the upper surface of the sinker and protruding upward with covering the through hole and a recess unit formed on the bottom surface of the sinker and having a size and shape to house the protruded portion of the metal ring. COPYRIGHT: (C)2008,JPO&INPIT
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