Patents by Inventor Yih Chyun CHEN

Yih Chyun CHEN 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: 9784363
    Abstract: A ball screw device includes an elongated shaft having an outer groove, a ball nut having a screw hole for receiving the elongated shaft and having a passage communicating with the screw hole of the ball nut, and a lubricating device includes an oil distributing member engaged into the ball nut and having one end portion engaged into the ball nut for engaging with the groove of the elongated shaft, and a spacing element is attached onto an outer peripheral portion of the distributing member, and the spacing element includes an end portion engaged into the ball nut for engaging with the elongated shaft and for spacing the distributing member from being engaged with the elongated shaft.
    Type: Grant
    Filed: November 19, 2015
    Date of Patent: October 10, 2017
    Assignee: Hiwin Technologies Corp.
    Inventors: Yih Chyun Chen, Wei Ying Chu
  • Publication number: 20170146114
    Abstract: A ball screw device includes an elongated shaft having an outer groove, a ball nut having a screw hole for receiving the elongated shaft and having a passage communicating with the screw hole of the ball nut, and a lubricating device includes an oil distributing member engaged into the ball nut and having one end portion engaged into the ball nut for engaging with the groove of the elongated shaft, and a spacing element is attached onto an outer peripheral portion of the distributing member, and the spacing element includes an end portion engaged into the ball nut for engaging with the elongated shaft and for spacing the distributing member from being engaged with the elongated shaft.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 25, 2017
    Inventors: Yih Chyun CHEN, Wei Ying CHU