LENGTH ADJUSTMENT MECHANISM FOR EXTENSION PIPE, EXTENSION PIPE, AND HANGER RACK
PROBLEM TO BE SOLVED: To provide a length adjustment mechanism for an extension pipe that has a good appearance and can make an adjustment to an arbitrary length reliably through easy operation.SOLUTION: A length adjustment mechanism for an extension pipe includes a shaft 10 which interlocks with a...
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a length adjustment mechanism for an extension pipe that has a good appearance and can make an adjustment to an arbitrary length reliably through easy operation.SOLUTION: A length adjustment mechanism for an extension pipe includes a shaft 10 which interlocks with a button 7 to move forward and backward axially in an outer pipe, a front block 11 in a tip-thicker tapered shape atop the shaft, a rear block 12 in a tip-thinner tapered shape atop an inner pipe, and a stopper 13 which is fitted to both the blocks 11, 12, and opens and closes radially from and to an axis of an outer pipe 8. When the button 7 is pressed, the shaft 10 moves forward against the energizing force of a coil spring 18, and the stopper 13 is disengaged from both the blocks 11, 12 and then closes to remove a locked state. When the button 7 is released, the shaft 10 moves backward with the elastic return force of the coil spring 18, the stopper 13 is fitted to both the blocks 11, 12 to open, and pressed against the outer pipe 8 to fix the position of the inner pipe 9. |
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