Patents by Inventor Kenji SUGISHITA

Kenji SUGISHITA 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).

  • Speed reducer
    Patent number: 10281007
    Abstract: A speed reducer includes an input shaft member including a sun rotor arranged to rotate about a central axis; one or more planetary rolling elements each of which is supported to be capable of rotating around the sun rotor; a tubular eccentric shaft including an outer circumferential surface eccentric with respect to the central axis, and arranged to rotate about the central axis along with the rotation of the one or more planetary rolling elements; an eccentric oscillating gear including a plurality of external teeth in an outer circumferential surface thereof, and supported by the eccentric shaft through a first bearing; a housing including internal teeth arranged to mesh with the external teeth of the eccentric oscillating gear in an inner circumferential surface thereof; an output flange arranged to rotate about the central axis together with the eccentric oscillating gear, and including an eccentric oscillating carrier pin arranged to pass through the eccentric oscillating gear in an axial direction; and
    Type: Grant
    Filed: March 30, 2017
    Date of Patent: May 7, 2019
    Assignee: NIDEC SHIMPO CORPORATION
    Inventors: Kenji Sugishita, Taihei Tsubone, Yuji Maeguchi
  • SPEED REDUCER
    Publication number: 20170314644
    Abstract: A speed reducer includes an input shaft member including a sun rotor arranged to rotate about a central axis; one or more planetary rolling elements each of which is supported to be capable of rotating around the sun rotor; a tubular eccentric shaft including an outer circumferential surface eccentric with respect to the central axis, and arranged to rotate about the central axis along with the rotation of the one or more planetary rolling elements; an eccentric oscillating gear including a plurality of external teeth in an outer circumferential surface thereof, and supported by the eccentric shaft through a first bearing; a housing including internal teeth arranged to mesh with the external teeth of the eccentric oscillating gear in an inner circumferential surface thereof; an output flange arranged to rotate about the central axis together with the eccentric oscillating gear, and including an eccentric oscillating carrier pin arranged to pass through the eccentric oscillating gear in an axial direction; and
    Type: Application
    Filed: March 30, 2017
    Publication date: November 2, 2017
    Inventors: Kenji SUGISHITA, Taihei TSUBONE, Yuji MAEGUCHI