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SHEET SKEW CORRECTION AND REGISTRATION SYSTEM

IP.com Disclosure Number: IPCOM000024469D
Original Publication Date: 1980-Oct-31
Included in the Prior Art Database: 2004-Apr-02

Publishing Venue

Xerox Disclosure Journal

Abstract

The sheet lead edge de-skewing system illustrated here may be utilized in various applications for de-skewing, or de-skewing and registering, either original docu-ments or copy sheets. The illustrated application is for the de-skewing of original documents as they are initially fed from the stack feeder (not shown) in a recirculating document handling system. This illustrated system provides de-skewing of the documents while they are moving and is an integral part of the first inverter roll 1 which inverts the documents before they are placed on the copier platen. A pair of skew correction fingers 2 are pivotally mounted on axes 3 inside the roller 1, spaced transversely of the document path. The fingers 2 rotate with, but automatically extend and retract from, the surface of the roller 1. The pivotal