| 摘要 |
PURPOSE: A device for regulating a length of a safety string is provided to freely regulate a length of the safety string for a multi stage stick to increase a stability of the fixation thereof, a portability and a safekeeping. CONSTITUTION: The regulating device includes a mounting hole formed inside a grip portion(101). A clamp(111) with a through-hole(103) is inserted into the mounting hole. A safety string(121) has both ends, in which a free end is inserted into one side of the mounting hole through the through-hole of the clamp and extended outside the mounting hole, and a fixed end is inserted into the mounting hole together with the clamp. A screw is provided to be threaded into a coupling hole for the clamp and the fixed end so that the safety string and the clamp are coupled such that the fixed end of the safety string is fixed and the clamp is freely moved.
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