Apparatus for buffering transport of document using conical screw conveyers

摘要

An apparatus is provided for buffering transport of freshly inked documents. The apparatus has a plurality of opposite, parallel, threaded conical screw conveyers. Each pitch of the screw conveyer creates a drying station for an inked document. As inked documents travel upon the threads of the screw conveyers, the conical shape of the conveyers maintain the document in a substantially central position. A lower deck is provided for receiving inked documents. The buffer apparatus has a pusher mechanism to control document movement from the buffer to a downstream document handler, such as an envelope flapper.