Drill adapter for drill having central and lateral cutting inserts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 17, 2007
Grant Date -
Mar 9, 2006
app pub date -
Sep 9, 2004
filing date -
Sep 9, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A drill adapter has a resilient insert retaining portion at one end, a drive stem at the second end, and an adapter seating portion between the two. The insert retaining portion includes first and second resilient clamping members which are rotationally 180.degree. apart. The resilient clamping members are separated by a narrow slit which communicates with an internal through bore extending across a diameter of the insert retaining portion. The seating portion includes a pair of planar abutment surfaces which are supported by a lower seating surface formed on the drill adapter seating portion, when the drill is assembled. The drive stem is provided with a pair of longitudinally extending drive slots. When inserted into an end bore formed at the operative end portion of a drill shaft, the drive slots receive complementary guides formed on an inner wall of the end bore.
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