Patents Assigned to Hankscraft Motors, Inc.
  • Patent number: 5732493
    Abstract: A dual pendulum display apparatus comprising a housing, a motor which is fixed to the housing and which has an output shaft, an output gear which is driven by the output shaft, which is mounted on the housing for rotation relative thereto about an output gear axis, and which has thereon a projection spaced from the output gear axis, a pivot arm mounted on the housing for pivotal movement relative thereto about a pivot arm axis spaced from the output gear axis, the pivot arm having therein a longitudinal slot receiving the projection for reciprocal sliding movement of the projection in the slot, such that rotation of the output gear and movement of the projection in the slot causes pendulum type motion of the pivot arm, the pivot arm having opposite first and second ends spaced from the pivot arm axis, first advertising material mounted on the first end of the pivotal arm, and second advertising material mounted on the second end of the pivot arm, such that the first advertising material and the second adverti
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: March 31, 1998
    Assignee: Hankscraft Motors, Inc.
    Inventors: Eugene R. Luedtke, Gregory J. Adelman, Duane C. Gerke, David L. Vergara, Donald R. Fish, Steven J. Ellingson, Joseph W. Fish, Yi Yale Zhang
  • Patent number: 5479153
    Abstract: An advertising display including a display object, a motor connected to the display object for rotating the object about a rotation axis, and a control circuit coupled to the motor. The control circuit includes a direct current energy source, and an oscillator connected to the energy source for generating a predetermined series of regularly timed energy pulses having a selected frequency and duty cycle to cause excitation of the motor in response to the energy pulses.
    Type: Grant
    Filed: October 26, 1993
    Date of Patent: December 26, 1995
    Assignee: Hankscraft Motors, Inc.
    Inventors: Zhang Yi, Steven J. Ellingson