Patents Assigned to Research Machine & Development, Inc.
  • Patent number: 7578513
    Abstract: An apparatus for automatic lifting of a trailer frame upon failure of the leaf spring support comprising a housing including a first housing element and a second housing element, wherein the second housing element is positioned within and slidably coupled to the first housing element forming the housing; an air bag lifting device positioned within the housing, wherein upon actuation the lifting device exerts force to maintain a distance between the first housing element and the second housing element; and a trigger device coupled to the lifting device wherein the lifting device is actuated by the trigger device.
    Type: Grant
    Filed: July 11, 2005
    Date of Patent: August 25, 2009
    Assignee: Research Machine Development, Inc.
    Inventor: George Susumu Yonekura
  • Patent number: 4112716
    Abstract: A padlock device including a unitary, elongated, cylindrical metal body having spring loaded shackle elements extending into one end thereof and a key-locking cylinder assembly extending into the other end. Rounded recesses are formed along the sides of the cylindrical body and the shackle pin holes are arranged so that the pins respectively extend through the recesses. The locking cylinder includes a pawl mechanism which engages notches in the ends of the shackle pins for locking the pins in the closed position.
    Type: Grant
    Filed: May 18, 1976
    Date of Patent: September 12, 1978
    Assignee: Research Machine & Development, Inc.
    Inventor: Joachim Wippich