Mandrel based helical pull through gun cleaning device
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United States of America Patent
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May 23, 2017
Grant Date -
Aug 4, 2016
app pub date -
Feb 2, 2016
filing date -
Feb 3, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A pull through gun cleaning device includes a mandrel with a spiral or helical trough disposed in an outer cylindrical surface of the mandrel. A pull cord includes a cable member covered by a tubular woven sheath. The pull cord is threaded through a tunnel at the first end of the mandrel, wrapped around the mandrel in the spiral or helical trough disposed in an outer cylindrical surface of the mandrel and threaded through a tunnel at the second end of the mandrel to form a mandrel cleaning section. An outside diameter of the mandrel cleaning section is configured such that where the mandrel cleaning section is inserted into one end of the barrel the mandrel compresses to provide a radial force pressing the tubular woven sheath of the pull cord against an inside surface or a rifling of the barrel.
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