| 摘要 |
PROBLEM TO BE SOLVED: To provide a walking stick which has a simple structure by reducing the number of parts and where a plurality of stages of lengths are adjusted easily. SOLUTION: The walking stick is composed of two pipes of a large diameter pipe 3 and a small diameter pipe 4. Both of the large diameter pipe 3 and the small diameter pipe 4 are integrally fixed to each other by engaging a length adjusting mechanism formed on the inner peripheral surface of the small diameter pipe 4 with that formed inside of the large diameter pipe 3. Regarding the length adjusting mechanisms, screw parts are provided at three places 51a, 51b and 51c on the outer peripheral surface of a rod provided inside of the large diameter pipe 3, and screw parts are provided to the small diameter pipe 4 so as to engage with the screw part 51a, 51b and 51c of the rod. COPYRIGHT: (C)2007,JPO&INPIT
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