Stapler
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United States of America Patent
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Nov 22, 2016
Grant Date -
Aug 15, 2013
app pub date -
Feb 12, 2013
filing date -
Feb 15, 2012
priority date (Note) -
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Abstract
A stapler is provided with a penetrating part including a pair of cutting blades which are disposed at an interval in a second direction. Holes are formed in sheets and a pair of leg portions of a staple penetrate the sheets by penetrating and withdrawing the cutting blades into and from the sheets in the first direction. An interval in the second direction between the pair of cutting blades at a tip end sides in the first direction is narrower than an interval in the second direction between the pair of cutting blades at base end sides which are opposite to the tip end sides in the first direction.
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