Bit holder with a detachably fixed bit bushing
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United States of America Patent
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Mar 12, 1996
Grant Date -
N/A
app pub date -
Nov 9, 1994
filing date -
Dec 1, 1993
priority date (Note) -
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status (Latency Note)
Importance
Abstract
The bit holder (1) is nonpositively connected to a bit bushing (3) with adherence to a pressure per unit of surface area of >100N/mm.sup.2 between the conical outer surface of the bit bushing (3) and the inner wall of the receiving bore (2) of the bit holder (1). After the bushing has been driven into the receiving bore (2), the conical outer surface of the bit bushing (3), formed by rectilinear generatrices, protrudes beyond the bore (2) by an excess amount (a).
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