Patents by Inventor Nobuhiro Ikeuchi

Nobuhiro Ikeuchi 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).

  • Belt tensioner
    Patent number: 4934988
    Abstract: A belt tensioner comprises a support fixed relative to a belt, a belt engagement device including a pulley being carried by the support and being movable relative to the support, a mechanical spring operatively associated with the support and the belt engagement device for urging the pulley against the belt to tension the belt, and a frictional dampening element operatively associated with the support and the belt engagement device to dampen the movement of the belt engagement device relative to the support in at least one direction of movement. The support being fixed to a fixed portion and including a shaft. The belt engagement device is engaged rotatably around the shaft.
    Type: Grant
    Filed: September 20, 1989
    Date of Patent: June 19, 1990
    Assignee: Koyo Seiko Co., Ltd.
    Inventors: Motoshi Kawamura, Nobuhiro Ikeuchi, Takashi Tsutsui