Cutting by use of rotating axially moving tool – Tool or tool with support – Having axial – core-receiving central portion
Reexamination Certificate
2006-09-26
2006-09-26
Howell, Daniel W. (Department: 3722)
Cutting by use of rotating axially moving tool
Tool or tool with support
Having axial, core-receiving central portion
C408S23900A
Reexamination Certificate
active
07112016
ABSTRACT:
An arbor assembly includes a shank mounted to the chuck of an electric drill, an adaptor which supports a hole saw mounted to the shank, and a sleeve for locking and unlocking the adaptor and the shank. Rotational forces from the drill are transferred to the adaptor to rotate the hole saw. The sleeve slides along the outer surface of the shank and allows a user to quickly change the hole saw. With the sleeve in the unlocked position, the adaptor easily slides out of the shank, a new adaptor is inserted into the shank, and the sleeve is then placed in the locked position prior to rotation of the drill.
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Greenlee Textron Inc.
Howell Daniel W.
Trexler, Bushnell Giangiorgi, Blackstone & Marr, Ltd.
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