Patents by Inventor Richard C. Call

Richard C. Call 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).

  • Weld gun tip dressing
    Patent number: 7972194
    Abstract: A method for dressing a pair of weld gun tips on a weld gun controlled by a robot is disclosed. The method comprises the steps of: placing an alignment tool in a mounting head of a tip dresser tool, with the alignment tool including a central alignment bore having a diameter corresponding in size to a diameter of the pair of weld gun tips; teaching a robot path to cause the pair of weld gun tips to slide into the central alignment bore while the alignment tool is mounted in the mounting head; removing the alignment tool from the mounting head; inserting a cutter head into the mounting head; using the taught robot path to bring the pair of weld gun tips into contact with the cutter head; and dressing the weld gun tips with the cutter head.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: July 5, 2011
    Assignee: GM Global Technology Operations LLC
    Inventors: Richard C. Call, Marvin J Kavan, Lois T. Kempfer, Leland Paul Keesling, Melvin Alspach
  • Weld Gun Tip Dressing
    Publication number: 20100136883
    Abstract: A method for dressing a pair of weld gun tips on a weld gun controlled by a robot is disclosed. The method comprises the steps of: placing an alignment tool in a mounting head of a tip dresser tool, with the alignment tool including a central alignment bore having a diameter corresponding in size to a diameter of the pair of weld gun tips; teaching a robot path to cause the pair of weld gun tips to slide into the central alignment bore while the alignment tool is mounted in the mounting head; removing the alignment tool from the mounting head; inserting a cutter head into the mounting head; using the taught robot path to bring the pair of weld gun tips into contact with the cutter head; and dressing the weld gun tips with the cutter head.
    Type: Application
    Filed: December 3, 2008
    Publication date: June 3, 2010
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS, INC.
    Inventors: Richard C. Call, Marvin J Kavan, Lois T Kempfer, Leland Paul Keesling, Melvin Alspach
  • Braking conveyor system
    Patent number: 7694803
    Abstract: An assembly and method for controlling movement of a chain section during removal, including a mounting body providing a connector adapted for connection to a chain, a pair of rollers secured to the mounting body, the rollers being adapted for rotational movement along the channeled track, and an engaging member positioned between each roller and said mounting body, wherein the engaging member is configured to extend the roller between a disengaged and engaged positions, so that movement of the chain is retarded as the roller extends towards the engaged position.
    Type: Grant
    Filed: January 29, 2009
    Date of Patent: April 13, 2010
    Assignee: GM Global Technology Operations, Inc.
    Inventors: Richard C. Call, Randy J. Kinsey, Wayne T. Cope, Edward Mucha, Jr., Glenn Terryah, James R. Heavener