Intermediary Bushing for a Chuck and Method for Producing the Same
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United States of America Patent
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N/A
Issued Date -
Nov 1, 2007
app pub date -
Nov 5, 2004
filing date -
Nov 6, 2003
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to an intermediary bushing to be inserted into the central receptacle of a chuck with a cylindrical body which has a central clamp hole in the form of a through hole, the body having several radial slots distributed along its outer circumference which extend over the whole axial length of the intermediary bushing, which is characterised in that the slots have a maximum width of 0.6 mm, and the outer contour, the slots and the clamp hole of the intermediary bushing are spark-eroded, and that over its whole length the body has a through slot extending from its outer circumference to the inner circumference with a maximum width of 0.6 mm. The invention further relates to a method for producing this type of intermediary bushing.
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