Patents by Inventor Motoo Takamura

Motoo Takamura 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: 6009773
    Abstract: A motion conversion apparatus having a torque compensation device which is operable to cancel a fluctuation torque, acting on an input shaft due to an inertia load and a fluctuation torque acting on the input shaft due to a frictional load. The motion conversion apparatus converts a continuous rotational motion of the input shaft into a predetermined-type motion of an output shaft through a transmission cam device with the torque compensation device comprising a cam connected to the input shaft, a cam follower, and a resilient force-producing device pressing the cam follower against the cam.
    Type: Grant
    Filed: March 24, 1997
    Date of Patent: January 4, 2000
    Assignee: Sankyo Seisakusho Co.
    Inventors: Heizaburo Kato, Masao Nishioka, Motoo Takamura