Upper tool holder apparatus for press brake
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United States of America Patent
Stats
-
Aug 18, 1998
Grant Date -
N/A
app pub date -
Sep 27, 1996
filing date -
Oct 2, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An upper tool clamp is provided that is supported by a holder body arranged on an upper table of a press brake, so that the upper tool clamp can be oscillated between a clamped state and an unclamped state. A pressing member is mounted on a lower portion of the upper tool clamp in order to press an upper tool on an upper tool support portion which is mounted on a lower portion of the holder body. Further, an engage projection is formed on the upper tool clamp and freely engageable with a drop prevention groove which is formed on the upper tool. In addition, a first clamp/unclamp device and a second clamp/unclamp device are mounted on the holder body, respectively.
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