Abrading – Abrading process – Drill – thread – thread cutter – reamer – or rotary cutter abrading
Reexamination Certificate
2006-12-12
2006-12-12
Nguyen, Dung Van (Department: 3723)
Abrading
Abrading process
Drill, thread, thread cutter, reamer, or rotary cutter abrading
C451S231000, C451S375000
Reexamination Certificate
active
07147546
ABSTRACT:
Method and apparatus for facilitating sharpening of a tool. A tool holder is provided to present the tool for sharpening against an abrasive member, such as a grinding wheel. A moveable jaw member preferably engages a side of the tool to align the tool with a reference axis. The jaw member preferably supports an alignment finger which moves with the jaw member and which contactingly engages the tool to establish a desired angular orientation of the tool with respect to said axis. The tool preferably includes a flute surface and a cutting edge, and the alignment finger contacts the flute surface adjacent said cutting edge. The alignment finger is further preferably configured so that a distal end thereof is initially adjusted against the abrasive member, such as by a grinding operation, while the alignment member contactingly supports the tool.
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Fellers , Snider, et al.
Nguyen Dung Van
Professional Tool Manufacturing, LLC
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