Shank chisel
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United States of America Patent
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Sep 18, 2012
Grant Date -
Nov 25, 2010
app pub date -
Oct 16, 2008
filing date -
Oct 29, 2007
priority date (Note) -
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status (Latency Note)
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Abstract
A shank bit, in particular a road milling bit, having a carrier part (10) that comprises a shank (11), the shank (11) carrying a bit tip (18) made of hard material, the carrier part comprising, in the region between the shank and the bit tip, a receiving portion (14) on which a head part is held (30), and the head part comprising a circumferential chip discharge surface (34.1) tapering in a direction toward the bit tip. In order to enable a shank bit of this kind to be designed in wear-optimized fashion, the head part is held rotatably with respect to the carrier part.
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