Drill and drive apparatus with improved tool holder
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United States of America Patent
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Jul 13, 2004
Grant Date -
Feb 12, 2004
app pub date -
Aug 9, 2002
filing date -
Aug 9, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
A drill and drive apparatus includes a tube assembly which defines a tool chamber. The apparatus further includes a tool holder which is configured to be at least partially received in the tool chamber of the tube assembly. The tool holder includes a holder body defining a first tool recess and having (i) a first section with a first width and at least one ball aperture communicating with the first tool recess, and (ii) a second section with a second width less than the first width. The tool holder further includes a first tool locking mechanism at a first end portion thereof. The first tool locking mechanism includes (i) a tool locking collar positioned around the holder body and positionable between a tool lock position and a tool release position, (ii) at least one ball positioned with the at least one ball aperture, wherein the at least one ball extends into the first tool recess when the tool locking collar is positioned in the tool lock position, and the at least one ball can be located away from the first tool recess when the tool locking collar is positioned in the tool release position, and (iii) a tool spring, positioned around the second section of the holder body, which biases the tool locking collar toward the tool lock position.
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