Appeal No. 95-2898
Application 08/053,193
Upon reviewing Azuma carefully, we find that Azuma
teaches on page 5 that the claws hold the optical disk in three
locations and offer a disk adapter device that is able to secure
an optical disk firmly. By such a mechanically stable
arrangement, the disk adapter device prevents surface vibration
and waving and thereby prevents resonance. We find that Azuma
suggests to those skilled in the art that the Azuma claw and
spring arrangement holds the optical disk more firmly by pressing
the optical disk in a vertical direction to the stopper ledge.
Thus, from these teachings, those skilled in the art would have
been reasonably expected to use the Azuma solution by adding the
claw and spring holding arrangement to the Kikuchi center core
shown in Figure 5. Therefore, in view of this teaching of the
desirability of the modification that would have provided a
mechanically stable arrangement that prevents resonance, surface
vibrations and waving, we find that the Kikuchi and Azuma com-
bination would have been suggested by the prior art reference,
Azuma.
Finally, Appellants argue on page 2 of the reply brief
that the Kikuchi and Azuma combination fails to teach a plurality
of slits formed in the cylindrical wall for defining a first wall
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