Worktable for a machine tool
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United States of America Patent
Stats
-
May 14, 2002
Grant Date -
N/A
app pub date -
Mar 26, 1997
filing date -
Apr 2, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A workpiece table, provided for a machine tool, is movable back and forth between two end positions and has for this purpose a rotational drive which has a gear part joined to the workpiece table for rotation thereof, a toothed rack in engagement therewith, as well as a medium-actuated shift drive for displacement of the toothed rack, which thereby performs a linear stroke motion, delimited by stops, between two end locations corresponding to the end positions of the workpiece table. Provided on the workpiece table is a mechanism which acts upon the toothed rack with a higher feed force at the beginning of the linear stroke movement than during the remainder of the linear stroke.
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