| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a weight for vibration motors, which keeps shock resistance favorably without reducing the amount of vibration, while reducing the quantity of used high specific gravity material. Ž<P>SOLUTION: A tapered section for preventing shock and removal is formed at a section in a metallic section which is not surrounded by resin and leads to an open end so as to improve the strength for holding the metallic section with a low specific gravity material such as resin, etc., and this tapered section is arranged in the resin. The tapered section scatters and reduces applied shock by dispersion, and effectively prevents and suppresses it. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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