Patents by Inventor James C. Larkin

James C. Larkin 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: 7047780
    Abstract: A hydroforming apparatus includes upper and lower platens that are connected together by tie rods extending through respective compression tubes. An upper die section is carried on the upper platen by a generally C-shaped suspension arm, while a lower die section is carried on the lower platen. The upper and lower die sections have recessed areas formed therein that define a die cavity. Lift assemblies are provided on the lateral ends of the hydroforming apparatus for selectively elevating the lower die section upwardly into engagement with the upper die section. When the lower die section is elevated by the lift assemblies, a workpiece is enclosed within the die cavity. A bolster is then moved between the hydroforming die and the lower platen. A cylinder array containing a plurality of pistons is next hydraulically actuated so as to securely clamp the hydroforming die between the cylinder array and the lower platen.
    Type: Grant
    Filed: June 24, 2002
    Date of Patent: May 23, 2006
    Assignee: Dana Corporation
    Inventors: Richard A. Marando, Eric M. Schrack, James C. Larkin, Edward Drost, Jeffrey P. Dziki, Joseph J. Vasalani, Daniel E. Hunter
  • Publication number: 20030126902
    Abstract: A hydroforming apparatus includes upper and lower platens that are connected together by tie rods extending through respective compression tubes. An upper die section is carried on the upper platen by a generally C-shaped suspension arm, while a lower die section is carried on the lower platen. The upper and lower die sections have recessed areas formed therein that define a die cavity. Lift assemblies are provided on the lateral ends of the hydroforming apparatus for selectively elevating the lower die section upwardly into engagement with the upper die section. When the lower die section is elevated by the lift assemblies, a workpiece is enclosed within the die cavity. A bolster is then moved between the hydroforming die and the lower platen. A cylinder array containing a plurality of pistons is next hydraulically actuated so as to securely clamp the hydroforming die between the cylinder array and the lower platen.
    Type: Application
    Filed: June 24, 2002
    Publication date: July 10, 2003
    Inventors: Richard A. Marando, Eric M. Schrack, James C. Larkin, Edward Drost, Jeffrey P. Dziki, Joseph J. Vasalani, Daniel E. Hunter
  • Patent number: 4676571
    Abstract: A chip carrier connector for mounting to a printed circuit board is disclosed. The connector includes a housing for supporting the chip carrier and a cover moveably supported thereover for retentively accommodating the chip carrier in the connector. The contacts of the connector are preformed to have a deflection bias to retentatively engage the leads of the chip carrier upon cam actuation of the contacts.
    Type: Grant
    Filed: July 23, 1985
    Date of Patent: June 30, 1987
    Assignee: Thomas & Betts Corporation
    Inventors: Richard W. Petersen, James C. Larkin, III