Patents by Inventor Christophorus L. Spoorenberg

Christophorus L. Spoorenberg has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5620176
    Abstract: A device whereby sheets can be discharged one by one from the bottom of a stack of sheets provided in a holder having a base support and side supports wherein in the transverse direction of sheet transport the base support surface has a downward bent shape so that the support surface has a deepened part on its supporting side such that in the proximity of the deepened part, beneath at least an edge zone of one side of a stack of sheets to be accommodated, the support surface is provided with at least one opening in which a vacuum can be created so that the bottom sheet is sucked against the support and air is blown against the side of the stack as considered with respect to the direction of sheet transport, in order to create an air layer at least between the bottom sheet and the stack thereabove, the airflow being ejected in the proximity of the deepened part of the support surface.
    Type: Grant
    Filed: March 8, 1995
    Date of Patent: April 15, 1997
    Assignee: OCE-Nederland, B.V.
    Inventors: Christophorus L. Spoorenberg, Petrus J. M. Thissen
  • Patent number: 5181711
    Abstract: A holder for receiving sheets and discharging sheets therefrom one-by-one from the bottom of a stack of sheets is provided including a carrier having a rear portion, an intermediate portion and a front portion, providing a carrying surface for the sheets, the carrier being bent at the intermediate portion thereof, transverse to the direction of conveyance of the sheets, so as to create a deepened section between the rear portion and the front portion. Lateral supports extend from lateral edges of the carrier, with at least one elevated part provided in the deepened section at the intermediate portion extending transverse to the direction of conveyance on the carrying surface of the carrier.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: January 26, 1993
    Assignee: Oce-Nederland, B.V.
    Inventor: Christophorus L. Spoorenberg