Patents by Inventor Hack Jae Song

Hack Jae Song 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: 5680780
    Abstract: A washing pulsator of a washing machine being provided with wings includes a cam assembly installed being movable up and down above an upper center portion; a plurality of current-forming ribs formed at an outer circumference of the cam assembly and being radially protruded toward the outer circumference from the center of an upper surface of the washing pulsator; a plurality of auxiliary rib, each of which is formed between the current-forming rib and radially protruded being shorter than the current-forming rib; and a rotating shaft installation aperture formed in front of the end tip of each of the auxiliary rib, the rotation current washing wings being installed to be capable of being inserted and detached in and from the rotating shaft installation aperture, thereby reducing textile entanglement and improving washing effect.
    Type: Grant
    Filed: January 4, 1996
    Date of Patent: October 28, 1997
    Assignee: LG Electronics Inc.
    Inventors: Yong Sik Kim, Hack Jae Song