Method and apparatus for feeding multi-sheet documents
a multi-sheet document and document technology, applied in the field of feeding mechanisms, can solve the problems of painstaking trial and error, and the difficulty of multi-sheet document feeding is greater than previously thought, and achieve the effect of improving the quality of multi-sheet documents and improving the quality of documents
Inactive Publication Date: 2008-09-04
PITNEY BOWES INC
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Problems solved by technology
While feed mechanisms 100 are most reliable for feeding single sheet documents, greater difficulty has been experienced when feeding multi-sheet documents.
Consequently, painstaking trial and error may be required to achieve the optimal opening to facilitate singulation of multi-sheet documents 110.
Method used
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[0018]The present invention is described in the context of a mechanism for feeding multi-sheet documents to a printing apparatus. While the print feed mechanism is useful for feeding singulated documents to a device for printing delivery or address information on a face sheet of the multi-sheet document, it will be appreciated that the invention is broadly applicable to any mechanism for feeding multi-sheet documents to any material / sheet handling device. For example, devices receiving multi-sheet documents may include collation, sortation and / or mailpiece handling equipment. Hence, the described embodiment is intended to exemplify a feed mechanism and / or adaptation thereof which highlights the teachings and advantages of the present invention.
[0019]In the broadest sense of the invention, the feed mechanism is adapted to support a stack of multi-sheet documents so as to produce a favorable cross-sectional shape. The cross-section is in a plane orthogonal to the feed path of the mult...
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A feed mechanism for the singulation and delivery of multi-sheet documents. The feed mechanism includes a support surface for receiving a stack of multi-sheet documents, a conveyor mechanism for transporting a lowermost document of the multi-sheet document stack and a restraint assembly defining an opening for the passage of the lowermost document. The restraint assembly is, furthermore, operative to retard the motion of documents disposed above the lowermost document during singulation and delivery thereof. The feed mechanism is characterized by a contour generator disposed in combination with the support surface which contour generator is operative to generate an arcuate cross section in connection with the stack of multi-sheet documents during singulation and delivery. The arcuate cross-sectional shape is disposed a plane orthogonal to the feed path of the multi-sheet documents.
Description
TECHNICAL FIELD [0001]This invention relates to feed mechanisms and, more particularly, to a new and useful method and apparatus for feeding / singulating multi-sheet documents for use in sheet handling equipment such as printing apparatus.BACKGROUND ART [0002]Feed mechanisms or modules are commonly employed to supply printers with various size media for printing. One such feed mechanism, to which the present invention is directed, is a feeder for supplying multi-sheet documents such as newspapers and magazines to a printing apparatus. Such documents may be fed to print mailing address information on a face sheet of the multi-sheet document.[0003]FIG. 1 depicts a typical feed mechanism 100 for feeding multi-sheet documents 110 to a printing apparatus 112. Therein, a plurality of newspaper documents 110 are stacked upon a support surface 114 of the feed mechanism 100 with a re-curved fold portion 110F of the document being fed first into the printing apparatus 112. The stack of newspap...
Claims
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Login to View More IPC IPC(8): B65H5/00
CPCB65H1/06B65H3/04B65H2701/1932B65H2405/1113B65H3/56
Inventor HALL, JEFFREY S.
Owner PITNEY BOWES INC