| 摘要 |
PROBLEM TO BE SOLVED: To provide a freely detachable jaw strap so that a cap does not blow off even with strong wind when wearing the cap. SOLUTION: The one-touch type jaw strap is provided by keeping a length-adjusting element attached on the jaw strap used when wearing the cap and attached with freely detachable stoppers on both the terminal ends of the strap. COPYRIGHT: (C)2009,JPO&INPIT
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