| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a strap which is excellent in operability when being extended and contracted, and can be extended and contracted by one hand. <P>SOLUTION: The freely extendable and contractable strap 20 includes: a clasp 4 having an outer frame 4a and a middle shaft 4b arranged inside anouter frame 4a, with insertion openings 4c, 4d installed with the middle shaft 4b in-between; a strap body 1 which has one end and the other end, with the other end fastened on the middle shaft 4b of the clasp 4, which is folded at a folding part between the one end and the other end, and which is put through the insertion opening between the folding part and the one end; an operating piece 6 which is attached to the strap body 1 between the folding part and insertion opening 4d and which is for pulling out the strap body 1 from the insertion opening 4d; and hook-and-loop fasteners 7, 8 for fixing the operating piece 6 to the one end of the strap body 1. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
