Patents by Inventor Ross E. Galbraith

Ross E. Galbraith 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).

  • Hub assembly
    Patent number: 4664252
    Abstract: A scrub wheel is provided in document processing equipment where a wheel is removable and replaceable. The wheel is held between a base member and a top member where the top member comprises retaining lugs at the distal ends of retention arms which engage the lower surface of a ledge in the center of the base member subsequent to passage therethrough when in a correct angular orientation, the lower surface comprising recesses which bind the top member and the base member under the elastic restitution force of a helical spring in the top member.
    Type: Grant
    Filed: December 9, 1985
    Date of Patent: May 12, 1987
    Assignee: Burroughs Corporation
    Inventor: Ross E. Galbraith