Appeal No. 96-3388 Page 5
Application No. 08/036,857
matter to a person of ordinary skill in the art. If the
examiner fails to establish a prima facie case, an obviousness
rejection is improper and will be overturned. In re
Rijckaert, 9 F.3d 1531, 1532, 28 USPQ2d 1955, 1956 (Fed. Cir.
1993). With this in mind, we analyze the examiner’s
rejection.
Regarding claims 8 and 9, the examiner observes Okamoto
teaches a double-sided disk player including first and second
parallel rack gears, a semi-circular rack gear, and an optical
pickup assembly including an optical lens and drive means. He
admits Okamoto is silent as to a rotating cleaning brush
disposed in the center of an arc of the semi-circular rack via
a shaft. The examiner notes Kusaura discloses a cleaning
brush mounted on a bracket for cleaning the lens of an optical
disk player. (Examiner’s Answer at 3.) He concludes it would
have been obvious to provide Okamoto’s disk player with
Kusaura’s cleaning brush to provide effective cleaning of dust
on the optical pickup. (Id. at 4.)
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