Power drill
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United States of America Patent
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-
May 16, 2017
Issued Date -
N/A
app pub date -
Jun 24, 2015
filing date -
Apr 29, 2011
priority date (Note) -
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Abstract
A drilling apparatus has a housing, a motor in the housing, a drive spindle rotatable about an axis on the housing, a chuck body, and a plurality of jaws shiftable in the chuck body. First and second elements interconnected by a screw thread and engaged between the body and the jaws for shifting the jaws on the housing. A drive sleeve rotationally fixed to the first element is drivable by the motor.
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