Keyless arbor device and method of using
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United States of America Patent
Stats
-
Apr 30, 2013
Grant Date -
Aug 13, 2009
app pub date -
Feb 12, 2008
filing date -
Feb 12, 2008
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A keyless arbor device for securing a tool, such as a drill bit, to a driver. At least one drive key is pivotally combined with the arbor. A threaded member and an outer sleeve are combined with an arbor. Rotation of the outer sleeve in a first direction causes the threaded member to move in a first direction and rotation of the outer sleeve in a second direction causes the threaded member to move in a second direction. The drive key is positioned so that as the threaded member is moved in its second direction, the threaded member makes contact with the drive key which forces the drive key to pivot from its first position to its second position thereby engaging the shank of the tool to secure the tool with the arbor.
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