Patents by Inventor Paul F. Crislip

Paul F. Crislip 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).

  • Rotary slotter sheet feeder
    Patent number: 4444383
    Abstract: An apparatus is provided to pick up single sheets of semi rigid material from a stack and convey them to a further location. The pick up mechanism employs a primary carriage assembly supported for horizontal linear movement. A row of vertically movable suction devices mounted on the carriage lift the sheet adjacent a trailing edge. A secondary carriage including finger elements engages the raised sheet to push it across the stack into nip rollers.
    Type: Grant
    Filed: September 22, 1981
    Date of Patent: April 24, 1984
    Assignee: Hycorr Machine Corporation
    Inventors: Paul F. Crislip, Frederick W. Harrison