Punch press
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Nov 8, 2000
filing date -
Nov 8, 2000
priority date (Note) -
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Abstract
A punch press includes: a press main body; an upper turret member having a workpiece detecting plate; a lower turret member; a striker; striker ascending/descending means; a carriage with a clamper for holding a workpiece in order to position the workpiece between the upper turret member and the lower turret member; and carriage moving means to move the carriage in the horizontal direction. In the above construction, one end of a first conductive wire is electrically connected to the workpiece detecting plate; and one end of a second conductive wire is electrically connected to the press main body. The other end of the first conductive wire and the other end of the second conductive wire are electrically connected to a touch detecting unit to detect a touch between the workpiece detecting plate of the upper turret member and a workpiece clamped by the clamper.
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