Patents by Inventor Tom K. Chikuma

Tom K. Chikuma 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).

  • Scanning carriage system useful for optical scanners
    Patent number: 4846589
    Abstract: Two carriages are roller mounted to allow relative motion between them while maintaining precise relative positioning. Rollers engage precision ground spaced surfaces of a C-shaped hangar configuration, and wear compensation is provided by a spring bias arrangement maintaining conformity between the rollers and guide grooves in the underside of the rails.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: July 11, 1989
    Assignee: International Business Machines Corporation
    Inventors: Tom K. Chikuma, Rick O. Jones, William H. Nelson, Walter F. Price, Jr.