Appeal No. 2006-2084
Reexamination Control No. 90/006,360
cutting tip 32 extends beyond the end surface 33 of the shank (FIGS. 2 and 3)" (id.,
col. 4, lines 35-37).
Tools used on lathes include "vertical" and "profiling" tools, which terms are
used in the arguments, but are not mentioned in the '400 patent. With a "vertical"
tool holder and insert, the insert lies in a plane perpendicular to the axis of the
workpiece and the cutting tip extends beyond the end of the shank to provide
clearance to allow the machining operations of Fig. 7 of the '400 patent, whereas
with a "profiling" tool, the cutting tip of the insert is in the same plane as the axis
of the workpiece and the bottom of the insert is fully supported by the recess in the
shank. "Vertical" and "profiling" tool holders are illustrated below.
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