Importance

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Abstract

A stack of documents to be supplied to a processing device rest on at least one pull wheel for pulling the documents towards the processing device. A pushing element exerts a constant and uniform force which pushes the stack of documents against the pull wheel. The pull wheel pulls the documents towards a guide. The guide, which is configured such that only one document is permitted to pass through to the processing device, includes a first roller with three toric projections mounted thereon on one side of the guide and a pair of rollers with two toric projections mounted therebetween on the other side of the guide. As the direction of the rollers on opposite sides of the guide rotate in different directions and as the force of rotation of the single first roller is greater than the force of rotation of the two second rollers, the toric projections mounted on opposite sides of the guide will only permit documents to pass therebetween one at a time. The document that rests on the three toric projections is pulled through the guide while the document or documents resting on the two toric projections is pulled backwards. An additional roller is provided to pull the sole document passing through the guide towards a document processor device such as a printer.

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First Claim