Self-tightening drill chuck
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United States of America Patent
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Sep 11, 2012
Grant Date -
Aug 19, 2010
app pub date -
Oct 13, 2007
filing date -
Oct 28, 2006
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to a re-tightening drill chuck with a chuck body (1), a tightening sleeve (2) which can rotate coaxially with respect to the chuck body (1) and is axially supported on a jaw holder (3), which is mounted on the chuck body (1) and in which clamping jaws (4) are guided in guiding slots and are adjustable for clamping and release by relative rotation between the chuck body (1) and the tightening sleeve (2) with the jaw holder, wherein a stop is formed on the jaw holder (3) and a counter-stop (11) is formed on the tightening sleeve (2) for the defined delimitation of a relative rotatability of the tightening sleeve (2) with respect to the jaw holder (3) between a first rotational position and a second rotational position.
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