Irrigated drill and quick-release chuck assembly
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United States of America Patent
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-
Feb 7, 1989
Grant Date -
N/A
app pub date -
Oct 10, 1986
filing date -
Oct 10, 1986
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electric motor-driven drill has an irrigating tube for squirting water onto a drill bur. The tube has convolutions surrounding the motor for cooling the motor and warming the irrigating water. A quick-release chuck holds the bur shank coupled to the motor shaft.
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