Hole-piercing punch
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United States of America Patent
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-
Nov 1, 2011
Grant Date -
Oct 2, 2008
app pub date -
Mar 26, 2008
filing date -
Mar 30, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
The pivoting shaft of a handle member has an axial center position in a support platform that is substantially fixed, and the position with respect to the handle member is to be displaceable. Furthermore, as for a support shaft, the position in the handle member is fixed, and the axial center of the pivoting shaft is positioned near a perpendicular bisector of a segment connecting both ends of a support shaft-guiding hole.
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