Binder for filing tool
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United States of America Patent
Stats
-
Aug 18, 2009
Grant Date -
Sep 14, 2006
app pub date -
Mar 31, 2004
filing date -
Apr 30, 2003
priority date (Note) -
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status (Latency Note)
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Abstract
A binder for filing tools which binds sheets having a plurality of sheet hole parts aligned in the center includes a locking bar which corresponds to a front cover wherein two front cover parts formed from flat boards of which one side of each is respectively connected to a back cover part and integrated. The back cover part includes a plurality of key-shaped locking parts erected on the front surface thereof, the key-shaped locking part is penetrated through the sheet hole parts in the sheet, a plurality of tying parts are provided in the locking bar in positions corresponding to the positions of the key-shaped locking parts, and the sheets are held between the locking bar and front cover by each tying part being locked to the key-shaped locking part.
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