Appeal No. 97-1175 Page 6
Application No. 08/383,361
expected to draw therefrom. In re Preda, 401 F.2d 825, 826,
159 USPQ 342, 344 (CCPA 1968).
With this as background, we analyze the prior art applied
by the examiner in the rejection of the claims on appeal.
Telesio discloses a packer plate guide for refuse
collection vehicles. As shown in Figure 1, Telesio's refuse
collection vehicle 10 includes a packer plate 20 mounted
inside the
vehicle storage bin 18. In one form of Telesio's invention,
elongated guide shoes 64 having galvanized surfaces 66 are
mounted on opposite sides of the packer plate 20, and the
guide shoes 64 slide on galvanized surfaces 52 of
corresponding
guide members 48 affixed to opposite sides of the storage bin
interior. As shown in Figure 3, each guide shoe 64 is rigidly
secured to a side structural member 68 of the packer plate by
top and bottom welds 70 and 72, respectively, extending along
the length of the guide shoe. Telesio teaches (column 5,
lines 29-32) that the guide members 48 and shoes 64 are
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