Plunger repositioning system
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United States of America Patent
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Nov 3, 2015
Grant Date -
N/A
app pub date -
Sep 2, 2014
filing date -
Aug 13, 2014
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Abstract
A tool for repositioning a plunger is formed from a pair of concentric and relatively rotatable shafts. The inner and tubular outer shafts respectively support enlarged forward and rear head elements. The shafts are relatively rotatable between a first position, in which the cross-sectional profiles of the head elements are aligned, and a second position, in which the cross-sectional profiles of the head elements are in skewed opposition. A ball detent mechanism at the interface between the forward and rear head elements permits accurate location of the first and second positions. The tool is used with a tubular collar element having a stem section and an enlarged flange section, and a disk-shaped platform element having a centrally disposed and internally threaded opening. The threaded opening in the platform element receives the externally threaded outer shaft of the tool.
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