Stick with cam lever type locking device
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United States of America Patent
Stats
-
Jul 15, 2014
Grant Date -
Dec 6, 2012
app pub date -
May 21, 2012
filing date -
Jun 2, 2011
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A stick is provided in which a gripping tube is fixed to a front end portion of an upper connection tube having a large diameter and a circular-arc engagement portion formed by a front-end cut portion of the gripping tube is tightened or loosened with the operation of a cam lever so that the outer periphery of a lower connection tube is fixed in a pressurized and gripped state or the pressurizing force is released, wherein a contracted tube portion is formed in the outer periphery of the lower connection tube at the portion with which the circular-arc engagement portion comes into contact when the lower connection tube is pressed into the upper connection tube so as to reach a shortened position, and when the cam lever is locked at the shortened position, the circular-arc engagement portion comes into contact with the contracted tube portion having a small outer diameter.
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