Patents Assigned to PN International Corp.
  • Patent number: 4943256
    Abstract: An amusement device consisting of a base frame having a first and second end. A pair of ratchet wheel assemblies mounted to an supporting the second end of the base frame. A motor is mounted within the base frame. A cam is rotatably driven by the motor. A yoke assembly having a first and second end in which the second end of the yoke assembly is oscillatorially activated by the cam to cause the first end of the yoke assembly to oscillate relative to the first end of the base frame. A pair of ratchet wheel assemblies are mounted at the first end of the yoke assembly such that when the first end of the yoke assembly oscillates, the ratchet wheels rotate.
    Type: Grant
    Filed: January 11, 1988
    Date of Patent: July 24, 1990
    Assignee: PN International Corp.
    Inventor: Robert W. Symons
  • Patent number: D322536
    Type: Grant
    Filed: January 13, 1989
    Date of Patent: December 24, 1991
    Assignee: PN International Corp.
    Inventor: John W. Behringer