Gear cutting – milling – or planing – Milling – With cutter holder
Reexamination Certificate
2006-07-18
2006-07-18
Cadugan, Erica (Department: 3722)
Gear cutting, milling, or planing
Milling
With cutter holder
C279S083000, C279S102000, C029S447000, C408S23900A
Reexamination Certificate
active
07077608
ABSTRACT:
A system for mounting a tool in a tool holder for high-precision centering of the tool and positive restraint of the tool from rotation within the holder. The tool holder includes a cylindrical aperture having a diameter slightly less than the diameter of the shank of a cylindrical tool. The tool is installed into the tool holder by heating the tool holder to a temperature sufficient to increase the aperture diameter sufficiently to accept the tool shank. The tool shank is further provided with an angular flat for engagement with a set screw to prevent the tool from being turned in the holder in use. Preferably, a second tool flat is provided opposite the first flat and extending to the end of the tool shank for orientation of the tool by a second set screw during insertion of the tool into the tool holder.
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Brown Robert C.
Cadugan Erica
Parlec, Inc.
Slifkin Neal L.
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