Air cannon
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United States of America Patent
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-
Nov 13, 2018
Grant Date -
May 31, 2018
app pub date -
Apr 28, 2017
filing date -
Nov 29, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A prior art powered wrist pin knocker is imported with a new plunger that prevents wobbling. The new plunger responds to a return vacuum pressure. The improved plunger is symmetrical along a longitudinal axis. New embodiments include a new side mount valve head to reduce length, a remote air controller and a variable length cylinder for the cannon. The new valve head is a simplified valve head assembly that adapts to an end of the cannon mount or a side mount or a remote mount. Another embodiment provides a stand for a surface mount application. This embodiment can have an extended piston for loosening tail bearings down a long channel. A manual return embodiment can use a rod to manually return the plunger to the proximal end for another firing cycle.
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