Patents by Inventor Robin C. Lockwood

Robin C. Lockwood 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).

  • Machines for cutting cardboards and like materials
    Patent number: 4941380
    Abstract: A machine for cutting cardboards or the like has a base board, a clamp bar extending across it and spaced mounting arms for the clamp bar. A cutter head is slidingly mounted on the clamp bar. A projecting wedge member on the cutter head is slidingly received in a complementary wedge shaped slot in the clamp bar. The clamp bar is connected to the spaced arms by resilient connecting means permitting limited angular movement of the bar relative to the arms, while taking up lost motion in the connection.
    Type: Grant
    Filed: March 15, 1989
    Date of Patent: July 17, 1990
    Assignee: Keencut Limited
    Inventor: Robin C. Lockwood