Patents by Inventor Wayne Lamson

Wayne Lamson 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: 5199340
    Abstract: Apparatus for trimming and ejecting articles integrally thermoformed in a sheet of thermoplastic material from the sheet including a pair of opposed trim dies which will trim parts out of a web of thermoplastic material. Apparatus is provided for pushing the trimmed parts out of the trimming station at a greatly accelerated rate. The apparatus includes a pusher member reciprocally movable in a to-and-fro path of travel between a retracted position and a forward ejecting position. Apparatus is provided for moving the ejector mechanism in the to-and-fro path and includes a toggle linkage mechanism which engages a cam for movement between relatively folded positions on one side of a plane and relatively oppositely folded positions on the opposite side of the plane to rapidly advance and even more rapidly retract the pusher member.
    Type: Grant
    Filed: May 24, 1991
    Date of Patent: April 6, 1993
    Assignee: John Brown Inc.
    Inventor: Wayne Lamson
  • Patent number: D372398
    Type: Grant
    Filed: April 17, 1995
    Date of Patent: August 6, 1996
    Assignee: Trafalgar House Inc.
    Inventor: Wayne Lamson