Quick-acting telescopic tube
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United States of America Patent
Stats
-
Apr 17, 2007
Grant Date -
Sep 14, 2006
app pub date -
Mar 11, 2005
filing date -
Mar 11, 2005
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A quick-acting telescopic tube has a stationary tube, a detent lining, an extension tube, a lock activating assembly, a bottom plug, an activating rod, a spring and a ball. The detent lining is mounted securely in the stationary tube and has multiple detents. The extension tube is mounted movably in the detent lining and has a top and a bottom. The lock activating assembly is mounted around the top of the extension tube and has a lever extending into the extension tube. The bottom plug is mounted securely in the bottom of the extension tube and has a transverse through hole. The activating rod is mounted in the extension tube, connects to the lever and has a locking piston with an annular recess. The ball is mounted in the transverse through hole and selectively in either one of the detents or the annular recess.
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