Combined Locks Patents (Class 213/119)
  • Patent number: 8746473
    Abstract: An improved coupler body having an area of increased material in the upper lock chamber.
    Type: Grant
    Filed: May 22, 2009
    Date of Patent: June 10, 2014
    Assignee: Bedloe Industries LLC
    Inventors: Jerry R. Smerecky, Thomas A. Marchese, Eric W. Larson
  • Patent number: 4391380
    Abstract: The invention pertains to a safety interlock for rail car couplers wherein a detent positioned by the rail car compressed air braking system prevents the rail car couplers from being unlocked as long as the rail car brake system is supplied with compressed air. An expansible motor operated detent functions to selectively permit or prevent translation of the coupler pin controlling pivoting of the coupler knuckle.
    Type: Grant
    Filed: February 12, 1981
    Date of Patent: July 5, 1983
    Inventor: Demetrius H. Hoose