Press brake with active lower table
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United States of America Patent
Stats
-
Jun 11, 2002
Grant Date -
N/A
app pub date -
Mar 6, 2001
filing date -
Sep 9, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bending press for bending metal sheets, the press comprising a moving top panel and a fixed bottom panel, the bottom panel being constituted by a plate having a top portion and a fixed bottom portion defined by two notches that are symmetrically identical about the transverse midplane of the bottom panel, each notch having a top wall and a bottom wall interconnected by a back wall, and also having an opening situated in the corresponding side edge of the plate, the press being characterized in that each notch is fitted with a displacement member interconnecting the free top portion and the fixed bottom portion of the bottom panel so as to cause the top wall of the notch to move towards the bottom wall thereof, thereby modifying the deformation curve of the free top portion of the bottom panel in controlled manner.
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