Bit retention system
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United States of America Patent
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-
Mar 2, 2004
Grant Date -
Jun 5, 2003
app pub date -
Dec 5, 2001
filing date -
Dec 5, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A bit retainer for a percussion bit assembly has a bore and upper and lower lips extending into the bore. Multiple slots extend from the lower end of the retainer member to a terminal end disposed intermediate the upper and lower ends, forming multiple cantilever beam segments. The cantilever beam segments are resiliently, radially deflected by the retention shoulder of the percussion bit to mount and retain the bit.
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