Metal deforming – With means to drive tool – Including pneumatic- or fluid-actuated tool support
Patent
1994-08-05
1998-02-24
Jones, David
Metal deforming
With means to drive tool
Including pneumatic- or fluid-actuated tool support
7245302, 72449, 72454, 724524, B21J 918
Patent
active
057201994
ABSTRACT:
A pressing tool for transforming workpieces includes a first fixed position die for transforming the workpiece. A second die cooperates with the first die in transformation of the workpiece, and the second die is coupled to and movable in response to operation of a forward feed device. The forward feed device comprises a rough feed device for relatively rapidly moving the second die toward the workpiece, and a fine feed gear for relatively slowly moving the second die toward the workpiece. The fine feed gear is coupled to and movable with the rough feed device. The forward feed device causes control over movement of the forward feed device to be shined from the rough feed device to the fine feed gear upon engagement of the second die with the workpiece.
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Berenato, III Joseph W.
Butler Rodney A.
Jones David
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