Tool holder
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United States of America Patent
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Jul 26, 2016
Grant Date -
Dec 3, 2015
app pub date -
Oct 11, 2012
filing date -
Oct 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
The invention relates to a bit holder for a road milling machine or the like, having a base part on which a bit shank and a projection are shaped, the projection comprising a bit receptacle, and the bit receptacle being constituted from a socket-shaped insert made of hard material. With a bit holder of this kind, good rotational behavior of the bit can be assisted and stable bracing thereof can be guaranteed, with little parts outlay, if provision is made that the bit receptacle is embodied as a stepped bore that comprises a first and a second diameter region, the first diameter region having a larger inside diameter than the second diameter region.
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