Rotating keyed dispensing cartridge system
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United States of America Patent
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Dec 8, 2015
Grant Date -
Feb 27, 2014
app pub date -
Aug 16, 2013
filing date -
Aug 22, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A piston of a piston pump adapted to be selectively coaxially slidably coupled to a complementary actuator mechanism by a keying arrangement utilizing one or more key elements engaging with one or more keyways, to place the piston and actuator mechanism in rotational alignment about the axis and with keying involving complementary circumferential location of keying elements and keyways, complementary radial extents of key members and keyways relative the axis, and/or complementary shapes for the key elements and keyways normal the axis.
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