Typewriting machines – Sheet or web – Including friction-feed means
Reexamination Certificate
2007-10-30
2007-10-30
Colilla, Daniel J. (Department: 2854)
Typewriting machines
Sheet or web
Including friction-feed means
C400S625000, C400S641000, C271S273000, C347S104000
Reexamination Certificate
active
11071620
ABSTRACT:
A backup roller is formed by a member having a rotational axis and a circumferential region around which a plurality of teeth are arranged. Each tooth of the plurality of teeth has a tip end extending in a direction away from the rotational axis. When the backup roller is rotated the tip end of each of the plurality of teeth sequentially extends toward the rotational axis of a drive roller at an angle non-orthogonal to the rotational axis of the drive roller.
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Buxton Patrick Andrew
LaBar Daniel Robert
Lawrence Michael William
Meadows Robert Michael
Colilla Daniel J.
Ferguson-Samreth Marissa
Lexmark International Inc.
Taylor & Aust P.C.
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