Patents by Inventor Walter Coulthard

Walter Coulthard 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).

  • Machine tools
    Patent number: 4654954
    Abstract: A tool handling system for tools 5 of the type having a machining portion and a common base portion 9 (e.g. an international taper) for being engaged by the drive spindle of a workhead, said system being adapted for storing said tools and for moving a selected tool to a transfer station, the system including tool storage means comprising a close-packed generally planar array of tool store locations 13, each adapted to receive the base portion of a tool with its machining portion directed upwardly and tool selector means for moving over said tool storage means and for gripping a selected tool and moving it vertically out of its location, then to a transfer station.
    Type: Grant
    Filed: October 12, 1984
    Date of Patent: April 7, 1987
    Assignees: British Aerospace Public Limited Company, Marwin Production Machines Limited
    Inventors: Michael G. Bayes, Walter Coulthard