Appeal No. 2000-2154
Application 09/136,761
Rejection (1)
Mdller discloses a CNC machine tool including a motor
(working unit) 54 driving a grinding wheel 56 (Fig. 4B). The3 3
grinding wheel is described at col. 5, line 45 to 48, as
follows:
The grinding wheel 56 may be, e.g., a grinding wheel with
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a quasi-variable-shape profile, comprising a metallic
support body bearing a CBN (cubic boron nitride) coating.
The examiner takes the position that Mdller’s grinding tool
56 anticipates claims 1 to 3 and 6.
3
With respect to claim 1, appellant argues in essence that
the Mdller tool does not have “an annular side surface
engageable with the side edge of a flat workpiece positioned
directly on said support surface”, as claimed, because in none
of the workpiece holding arrangements disclosed by Mdller in
Figs. 6, 7 and 8 are the side edges of the workpiece
“conveniently exposed to have a meaningful engagement with a
head section of a tool” (brief, page 10). This argument is
not persuasive. In the first place, the workpiece holder
shown in Fig. 7 of Mdller clamps the workpiece 84 in such a
manner that two of its side edges are exposed and would be
3
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