Appeal No. 1998-2899 Application No. 08/632,687 Id. at 6. The appellants argue that there is no motivation for combining the two embodiments of Fellows so that both a passage for pressurized air and the claimed means attached to a low pressure area are provided on the same cylinder. See brief, pp. 5, 6. We agree. The embodiments shown in Figures 1 and 4 of Fellows are so disparate (one uses an undersized sleeve mounted on an oversized cylinder by expanding the sleeve with compressed air, the other uses an undersized cylinder connected to a vacuum source for securing an oversized sleeve to the cylinder) that we know of no reason why one of ordinary skill in the art would have been motivated to combine their various features in the specific manner set forth in claim 32. Further, even if it had been obvious to modify the embodiment shown in Figure 4 of Fellows by substituting axial grooves for the circumferential grooves 26, the modified structure would still lack the cylinder having an outer 12Page: Previous 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 NextLast modified: November 3, 2007