B - Operations – Transporting – 65 – H
Patent
B - Operations, Transporting
65
H
270/15
B65H 9/00 (2006.01) B65H 5/06 (2006.01) B65H 9/06 (2006.01) G03B 27/62 (2006.01)
Patent
CA 1205500
- 1 - ABSTRACT OF THE DISCLOSURE For a document sheet feeding and registration apparatus and method for deskewing and registering a document sheet relative to a regis- tered copying position on a copier platen by feeding it against a sheet aligning document registration member, there is disclosed apparatus for initially feeding the document sheet towards the registration means with a first document sheet feeder exemplified by a widely transversely spaced pair of high friction sheet feeding rollers, which resist skewing of the document sheet, and removing the first document sheet feeder from the document sheet after its lead edge is engaged by a second document sheet feeder and before the document sheet engages the registration edge stop so that final skewing control of the document sheet is only by the second document sheet feeder, this second document sheet feeder being a single sheet feeding roller posi- tioned centrally of the document sheet lead edge area and positioned closely adjacent the registration edge. This single roller provides a brief low rotational resistance deskewing of the document sheet while driving the document sheet into final alignment with the registration member. All of the sheet feeding rollers are positioned over the document on the platen extending through a backing plate so as to be hidden during copying.
431276
Liechty Karl E.
Phelps Russell L.
Sisson Jeffrey L.
Sim & Mcburney
Xerox Corporation
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