Securing apparatus for tools
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 17, 1992
Grant Date -
N/A
app pub date -
Oct 27, 1989
filing date -
Oct 28, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A securing apparatus for a tool, especially a grinding wheel, including a rotatably driven spindle and a hydraulically expandable securing member, which is provided for securing the tool on the spindle and is provided with at least one hydraulic medium chamber. The securing member is a securing sleeve that is provided on the spindle, with the at least one hydraulic medium chamber communicating with a first bore that extends through the spindle and is provided for supplying the hydraulic medium. The spindle is provided with a tightening screw that can selectively close off the first bore and can be backed off into a pressure relief position. At least one axial securing element is disposed on the securing apparatus in such a way as to be axially displaceable and is adapted to be positively connected with the tool in the axial direction.
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Cited Art Landscape
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