Appeal No. 1999-2278 Page 7
Application No. 08/641,442
14) that Wagner does not disclose that "the post deflects the
gate, enabling the post to move past the gate into the second
track, even when no data cartridge is being gripped" as
required by claim 1. In Wanger, four operating modes: "go-
get;" "retrieve;" "put," and "return" are discussed. Wanger
discloses (col. 3, lines 39-49) that:
The cartridge engaging means has a “go-get”
operating mode, FIGS. 8-12, wherein the engaging
means 18 moves forwardly 24 without a cartridge in
engagement therewith; a “retrieve” operating mode,
FIGS. 12, 13 and 1, wherein said engaging means 18
moves rearwardly 26 with an engaged cartridge; a
“put” operating mode. FIGS. 14 and 15, wherein said
engaging means moves forwardly 24 with an engaged
cartridge; and a “return” operating mode, FIGS. 15,
6, and 14, wherein the engaging means 18 moves
rearwardly without a cartridge in engagement
therewith.
The only mode in which the gate is deflected by the post is
the "retrieve" mode, where lower stud 88 moves along a lower
stud path 312 including channel portion 164, gate surfaces
192, 194, channel portion 156, as shown in figure 13 (col. 9,
lines 32-43). However, in the "retrieve mode," the cartridge
is gripped. In the "go-get" mode and the "return" mode, the
cartridge is not gripped. However, the post does not deflect
the gate in either of these modes. In the "go-get" mode, the
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