Appeal No. 1998-0847
Application No. 08/483,762
member in the form of a drum, nor use of the imaging member
with a cleaning blade (Brief, page 4). Appellants’ argument
is not well taken since the examiner finds that Pai discloses
that the charge transport layer is placed contiguously on a
charge generating layer which in turn is on a support (Answer,
page 4). Pai specifically teaches that this support or
substrate may include drums (col. 3, ll. 11-12). Furthermore,
in view of the teachings of Borsenberger that “[d]rums are
widely used for low-volume copiers and printers” (page 6) and
“[l]ow-volume copiers usually
use metal or polymeric blades [for photoreceptor cleaning]”
(page
16), it would have been well within the ordinary skill of one
in the art to use cleaning blades with the drum imaging member
of Pai.
Appellants argue that none of the applied references
address the problem of “squeak” nor offer a solution to this
problem (Brief, pages 5-6). As noted by the examiner (Answer,
6
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