Patents by Inventor Iturou Tangiku

Iturou Tangiku 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).

  • Traction machine for an elevator
    Patent number: 4422531
    Abstract: In a traction machine for an elevator having a reduction gear enclosed within a main housing and having an input shaft and an output shaft together with parallel shaft gears, a traction sheave connected to the output shaft, an electric motor connected to the input shaft, a brake gear, and a flywheel, at least one of the electric motor, the brake gear and the flywheel is arranged on the same side as the traction sheave, whereby a peripheral portion of one of the side surfaces of the at least one of the above elements confronts a peripheral portion of one of the side surfaces of the traction sheave.
    Type: Grant
    Filed: May 1, 1981
    Date of Patent: December 27, 1983
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Sadayuki Ohtomi, Yasutaka Hirano, Iturou Tangiku, Tamaiti Kondou