Appeal No. 1999-0932
Application No. 08/723,889
(highlighted in blue), ribs 6b (highlighted in pink), and the portions of ribs 6a disposed radially
outside the grooves 9a, 9b (highlighted in solid green). The hat and disk element have adjacent
edges (labeled E1 and E2, respectively, in attached Figure 2) which are spaced from each
other in radial and axial directions relative to the rotor and are joined to each other by a
junction (labeled J in attached Figure 2 and highlighted in orange). The outer surfaces of the
friction plates 5a, 5b form sliding surfaces slidingly engageable by a disk caliper (column 3,
lines 5-6). A plurality of communication passages (slots 10, holes 11 and holes 8) provide
communication between the sliding surfaces and permit passage of cooling air. As seen in
attached Figure 2, the slots 10 and holes 8, 11 are all defined in the junction.
The appellants have not separately argued the patentability of claims 6 and 7 apart from
independent claim 1 from which they depend. Therefore, claims 6 and 7 shall stand or fall
with representative claim 1. See In re Young, 927 F.2d 588, 590, 18 USPQ2d 1089, 1091
(Fed. Cir. 1991); In re Wood, 582 F.2d 638, 642, 199 USPQ 137, 140 (CCPA 1978).
With regard to claim 8, even if it is true that Suzuki's holes extend radially, not axially ,5
through the hub (see brief, page 7), slots 10 and holes 11, which define communication
5Broadly speaking, each of the slots 10 and holes 8, 11 extends both radially and axially, in that they each
extend in a first direction through the material in which they are formed and in a direction normal to the first
direction.
5
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