Patents by Inventor John W. D'Arcy

John W. D'Arcy 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).

  • Patent number: 5341712
    Abstract: A band saw machine utilizes a column assembly in which the column is integrally formed from steel plate. The blade-carrying pulleys are mounted on one side of the column, which is mounted to pivot about a selected axis. A double-acting saw employs two confronting column assemblies.
    Type: Grant
    Filed: March 18, 1993
    Date of Patent: August 30, 1994
    Inventor: John W. D'Arcy
  • Patent number: 5203247
    Abstract: A vertical mitering band saw machine utilizes a column integraly formed from steel plate, mounted upon a carriage that is supported by a system of rails and wheels. A unique vise system is provided, as are assemblies for mounting of a blade-carrying pulley so as to permit ready adjustment of blade tension as well as of caster and camber of the pulley.
    Type: Grant
    Filed: March 27, 1992
    Date of Patent: April 20, 1993
    Inventor: John W. D'Arcy