Appeal No. 2000-0760
Application No. 08/831,198
structure disclosed by Yanko corresponds to the elements
recited in this claim is set forth by the examiner on page 4
of the answer, and need not be repeated here. The difference
between the claimed apparatus and that of Yanko is expressed
in the following limitation (claim 2, lines 18 to 20, emphasis
added):
the retainer plates being spaced apart and connected
to each other[ ] by means of individual drive blocks3
that
are disposed partly in the notch of the outer drive
plate and partly in the notch of the inner drive
plate.
The Yanko apparatus does not employ individual drive blocks to
space and connect retainer plates 88, 92, but instead has a
series of circumferentially spaced enlarged portions 36
positioned on a ring 32 (Fig. 3) fastened between the retainer
plates by rivets 90 (Fig. 2). The examiner takes the position
that (answer, page 4):
Having individual drive blocks disposed in the
3In appellant's disclosed apparatus, it appears that the
retainer plates 38, 40 are actually connected to each other by
rivets 48, with the drive blocks 46 being sandwiched in
between the plates, rather than being connected by the blocks
per se.
3
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