Patents by Inventor Hidekazu Tonooka

Hidekazu Tonooka 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).

  • Refrigerator
    Patent number: 6363738
    Abstract: A shelf placing frame formed in a hollow shape and a timing belt arranged along its periphery utilizing the hollow part are prepared. A lever movable along the frame is fixedly connected to the timing belt so as to rotationally move the timing belt. A screw shape shaft fixedly provided with a gear disposed rotational moving line of the timing belt is provided in the frame and conjointly moved with the timing belt. A moving board having a screw threaded hole meshing with the screw shape shaft is fixed on an inner wall of a refrigerator so that the shelf placing frame is moved up and down in accordance with movement of the lever.
    Type: Grant
    Filed: March 16, 2001
    Date of Patent: April 2, 2002
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Narumi Nakajima, Hidekazu Tonooka
  • Refrigerator
    Publication number: 20010025508
    Abstract: A shelf placing frame formed in a hollow shape and a timing belt arranged along its periphery utilizing the hollow part are prepared. A lever movable along the frame is fixedly connected to the timing belt so as to rotationally move the timing belt. A screw shape shaft fixedly provided with a gear disposed rotational moving line of the timing belt is provided in the frame and conjointly moved with the timing belt. A moving board having a screw threaded hole meshing with the screw shape shaft is fixed on an inner wall of a refrigerator so that the shelf placing frame is moved up and down in accordance with movement of the lever.
    Type: Application
    Filed: March 16, 2001
    Publication date: October 4, 2001
    Applicant: MITSUBISHI DENKI KABUSHIKI KAISHA
    Inventors: Narumi Nakajima, Hidekazu Tonooka