Rotary-type retractable writing implement with an anti-drying device
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United States of America Patent
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Jan 8, 2013
Grant Date -
Jan 26, 2012
app pub date -
Mar 23, 2010
filing date -
Mar 23, 2009
priority date (Note) -
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Abstract
A rotary-type retractable writing implement with an anti-drying device is provided. An upper shaft and a lower shaft are coupled together such that the two shafts are rotatable in opposite directions, and a cartridge accommodated in an intermediate connection member is movable, and an open/shut module for covering a nib opens/shuts by the movement of the cartridge so as to provide a nib-advancing path.
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