Patents by Inventor Jeffrey Boyd Grimshaw

Jeffrey Boyd Grimshaw 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: 6745454
    Abstract: A flexible manufacturing line and manufacturing process employs an overhead gantry system to transfer fixtured workpieces between machining stations served by the gantry system. The machining stations include CNC machines, turret cells, and/or dedicated machines which receive the fixtured workpieces through top-entry openings. The invention provides flexibility and adaptability to variation, improved maintenance of reference position on the fixture during manufacture, improved accessibility to machining stations during operation, and increased safety.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: June 8, 2004
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Jeffrey Boyd Grimshaw, Aaron Thomas Russick, Daniel D. Minor, Tom Duane Rabe, John Richard Snyder, Larry Richard Erdman, Steven Mark Sunday, Tracy William Erickson, Steven Ronald Erdman, Gary David Mason
  • Patent number: 6644640
    Abstract: A flexible manufacturing line and manufacturing process employs an overhead gantry system to transfer fixtured workpieces between machining stations served by the gantry system. The manufacturing system includes a fixturing system including a transfer unit specially configured for quick connection and quick disconnection from a machining table. An accurate placement of the transfer unit is achieved using a combination of locating features.
    Type: Grant
    Filed: January 30, 2002
    Date of Patent: November 11, 2003
    Assignee: Hayes Lemmerz International, Inc.
    Inventors: Aaron Thomas Russick, Steven Mark Sunday, Larry Richard Erdman, Jeffrey Boyd Grimshaw, Daniel D. Minor