Patents Represented by Attorney, Agent or Law Firm Kevin Kepner
  • Adjusting air system pressures stack height and lead edge gap in high capacity feeder
    Patent number: 6186492
    Abstract: The present invention is directed to device for feeding sheets seriatim from a stack. The sheet feed device includes a variable vacuum source being selectively actuable to acquire and release a top sheet from a stack; a feedhead, attached to the vacuum source to acquire the top sheet of the stack; a device to determine a plurality of predetermined properties of the sheets and to generate signals indicative thereof; and a controller to receive the generated signals and generate a signal to selectively control the vacuum source.
    Type: Grant
    Filed: December 23, 1998
    Date of Patent: February 13, 2001
    Assignee: Xerox Corporation
    Inventors: Richard L. Dechau, William R. Haag, Michael J. Linder, Kenneth P. Moore