Telescopic tube
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United States of America Patent
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Oct 19, 2010
Grant Date -
May 28, 2009
app pub date -
May 6, 2008
filing date -
Nov 27, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A telescopic tube includes an upper section tube and a lower section tube that are provided coaxially with each other. A plurality of connecting rods is provided between the upper and lower section tubes in parallel to the axis of the tube. Via the connecting rods, the upper section tube or the lower section tube can slide telescopically in the axial direction of the tube, thereby extending or retracting the tube.
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