Patents by Inventor Sinho Chen

Sinho 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).

  • Deflecting device for motion guide apparatus
    Patent number: 9388889
    Abstract: A motion guide device includes a ball nut attached onto a shaft and having helical grooves and a returning channel for forming an endless ball guiding passage and for receiving a number of ball bearing elements, two deflecting devices are engaged with the ball nut and each include a deflecting pathway communicative with the helical groove and the returning channel of the ball nut and each include a protrusion engaged with a recess of the ball nut for anchoring the deflecting devices to the ball nut, and the deflecting devices each include a connecting surface directed toward the helical groove of the ball nut for guiding the ball bearing elements to smoothly move between the helical groove of the ball nut and the deflecting pathways of the deflecting devices.
    Type: Grant
    Filed: March 8, 2012
    Date of Patent: July 12, 2016
    Assignee: Hiwin Technologies Corp.
    Inventors: Sinho Chen, Cheng Sheng Chen
  • DEFLECTING DEVICE FOR MOTION GUIDE APPARATUS
    Publication number: 20120160048
    Abstract: A motion guide device includes a ball nut attached onto a shaft and having helical grooves and a returning channel for forming an endless ball guiding passage and for receiving a number of ball bearing elements, two deflecting devices are engaged with the ball nut and each include a deflecting pathway communicative with the helical groove and the returning channel of the ball nut and each include a protrusion engaged with a recess of the ball nut for anchoring the deflecting devices to the ball nut, and the deflecting devices each include a connecting surface directed toward the helical groove of the ball nut for guiding the ball bearing elements to smoothly move between the helical groove of the ball nut and the deflecting pathways of the deflecting devices.
    Type: Application
    Filed: March 8, 2012
    Publication date: June 28, 2012
    Inventors: Sinho CHEN, Cheng Sheng Chen
  • Deflecting device for motion guide apparatus
    Publication number: 20100307272
    Abstract: A motion guide device includes a ball nut attached onto a shaft and having helical grooves and a returning channel for forming an endless ball guiding passage and for receiving a number of ball bearing elements, two deflecting devices are engaged with the ball nut and each include a deflecting pathway communicative with the helical groove and the returning channel of the ball nut and each include a protrusion engaged with a recess of the ball nut for anchoring the deflecting devices to the ball nut, and the deflecting devices each include a connecting surface directed toward the helical groove of the ball nut for guiding the ball bearing elements to smoothly move between the helical groove of the ball nut and the deflecting pathways of the deflecting devices.
    Type: Application
    Filed: June 9, 2009
    Publication date: December 9, 2010
    Inventors: Sinho Chen, Cheng-Sheng Chen