Patents by Inventor Katsunao Busujima

Katsunao Busujima 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).

  • Power transmission apparatus
    Patent number: 6200221
    Abstract: In a power transmission apparatus, a torque limiter mechanism has a plurality of holding portions, a disc plate and a flange, and an elastic member. The plurality of holding portions are fixed to either one of a pulley and a hub and aligned substantially equidistantly in a circumferential direction. The disc plate and flange are provided to either one of the pulley and the hub and oppose the holding portions. The elastic member is frictionally connected to the holding portions and the disc plate and flange, and is fixed to the remaining one of the pulley and the hub. The elastic member has connecting portions and an elastic support. The connecting portions are frictionally connected to the holding portions and the disc plate and flange, and correspond in number to the holding portions.
    Type: Grant
    Filed: December 10, 1999
    Date of Patent: March 13, 2001
    Assignee: Ogura Clutch Co., Ltd.
    Inventors: Enjiro Maejima, Katsunao Busujima, Yoshihiro Kurosu