Patents by Inventor Donald W. Barton

Donald W. Barton 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).

  • Dual cutter boring head
    Patent number: 4162867
    Abstract: In the machine tool art, a dual cutter boring head which comprises a cylindrical body having side-by-side, tool-holding slides mounted diametrally thereon; the slides at their outer ends being fitted with cutters disposed exteriorly of the periphery of the body, and micro-adjustment mechanism within the confines of the body arranged to impart simultaneous, opposed, reversible motion to the slides whereby to precisely and equally adjust the slides and the cutters thereon outwardly or inwardly, selectively.
    Type: Grant
    Filed: April 17, 1978
    Date of Patent: July 31, 1979
    Assignee: Carando Machine Works
    Inventors: Donald J. Calcaterra, Robert A. Rhinefrank, Donald W. Barton