Drill apparatus and drill chuck
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United States of America Patent
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Nov 8, 2016
Grant Date -
Jun 11, 2015
app pub date -
Dec 11, 2014
filing date -
Dec 11, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
A drill chuck and a drill apparatus is provided that includes a drilling machine, which has a motor and a machine spindle that is supported in rotary fashion in a machine housing. The a drill chuck is connected to the machine spindle and can be moved between a clamping configuration and a drilling configuration and has a clamping sleeve and a chuck body in which clamping jaws are movably guided by a threaded connection. When a sliding sleeve is moved relative to the chuck body between a first position that corresponds to the clamping configuration and a second position that corresponds to the drilling configuration, a flow of force traveling from the motor via the machine spindle to the threaded connection is shifted to a flow of force traveling from the motor via the machine spindle to the chuck body and vice versa.
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