Appeal No. 1999-0565
Application 08/700,526
Figure 4 as disclosing the claimed invention except that the
admitted prior art has a single disk support member 117
instead of the claimed plurality of disk support members. The
examiner cites Takahashi as teaching a disk cartridge which
has a plurality of disk support members spaced around the disk
support. The examiner finds that it would have been obvious
to the artisan to replace the single support member of the
admitted prior art with the plural support members as taught
by Takahashi [answer, pages 3-4].
Appellant makes four arguments which we will consider
in turn. Appellant’s first argument is that the admitted
prior art does not teach that the disk support member has high
wear resistance [brief, page 5]. The examiner responds that
the material used in the admitted prior art is disclosed to be
polyacetal resin, and the examiner asserts that this material
inherently has high wear resistance and high lubricity
[answer, pages 8-9].
We agree with the examiner on this point. Appellant
never denies that polyacetal resin has high wear resistance as
well as high lubricity. In any event, we find that it would
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