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TILTING PAD STRIPPER

IP.com Disclosure Number: IPCOM000023566D
Original Publication Date: 1978-Feb-28
Included in the Prior Art Database: 2004-Mar-31
Document File: 2 page(s) / 348K

Publishing Venue

Xerox Disclosure Journal

Abstract

A tilting pad stripper for stripping copy sheets from a wetted fuser roll surface. A stripping shoe 32 is formed with a bottom surface 36 which is arcuate in shape complimentary with the curve of the surface of fuser roll 16. The distance between the pivot axis at knife edge 34 and the lead edge 37 of stripping shoe 32 is approximately 58% of the arcuate length of shoe 32. The bottom surface 36 is made from a material which is wetted by the oil in order to develop the oil film necessary for proper action. Copy sheet S is stripped from the surface of fuser roll 16 by the stripping action exerted from stripping shoe 32 which rides on an oil film OF on the surface of the fuser roll. Oil film OF supports the bearing load of stripping shoe 32 such that the impact of the stripper copy sheet S does not drive stripping shoe 32 into physical contact with top layer 22 of fuser roll 16 which is delicate and easily damaged.

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Page 2 of 2

TILTING PAD STRIPPER (Cont'd)

A tilting pad stripper for stripping copy sheets from a wetted
fuser roll surface. A stripping shoe 32 is formed with a
bottom surface 36 which is arcuate in shape complimentary with
the curve of the surface of fuser roll 16. The distance
between the pivot axis at knife edge 34 and the lead edge 37 of
stripping shoe 32 is approximately 58% of the arcuate length
of shoe 32. The bottom surface 36 is made from a material
which is wetted by the oil in order to develop the oil film
necessary for proper action. Copy sheet S is stripped from
the surface of fuser roll 16 by the stripping action exerted
from stripping shoe 32 which rides on an oil film OF on the
surface of the fuser roll. Oil film OF supports the bearing
load of stripping shoe 32 such that the impact of the stripper
copy sheet S does not drive stripping shoe 32 into physical
contact with top layer 22 of fuser roll 16 which is delicate
and easily damaged.

When removing the fuser roll or the stripping apparatus for
service, stripping shoe 32 is conveniently restrained from
falling free of the arm 30 by means of a loosely fitted pin
member 40 extending from arm 30 and received in side exten-
sions 42 of stripping shoe 32. It will be a...