Patents by Inventor Tien-Hsi TAI

Tien-Hsi TAI 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).

  • Combined transmission shaft and rotating device having combined transmission shaft
    Patent number: 9683653
    Abstract: A rotating device includes a rotating disc and a combined transmission shaft. The rotating disc includes a turret and multiple driven rollers. The combined transmission shaft includes a first roller gear cam and a second roller gear cam. The first roller gear cam includes a first shaft, a combined shaft and a first helical tooth. The combined shaft protrudes outward from a side of the first shaft. The first shaft is surrounded by the first helical tooth and has a first outer surface and a first inner surface. The second roller gear cam includes a second shaft and a second helical tooth. The second shaft has a combination hole. The second shaft is surrounded by the second helical tooth and has a second outer surface and a second inner surface. The combined shaft passes through the combination hole.
    Type: Grant
    Filed: December 24, 2014
    Date of Patent: June 20, 2017
    Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Huei Wu, Tien-Hsi Tai, Chang-Chia Hsieh, Min-Chang Wu, Sheng-Feng Tsai, Ming-Ju Wu
  • COMBINED TRANSMISSION SHAFT AND ROTATING DEVICE HAVING COMBINED TRANSMISSION SHAFT
    Publication number: 20160108991
    Abstract: A rotating device includes a rotating disc and a combined transmission shaft. The rotating disc includes a turret and multiple driven rollers. The combined transmission shaft includes a first roller gear cam and a second roller gear cam. The first roller gear cam includes a first shaft, a combined shaft and a first helical tooth. The combined shaft protrudes outward from a side of the first shaft. The first shaft is surrounded by the first helical tooth and has a first outer surface and a first inner surface. The second roller gear cam includes a second shaft and a second helical tooth. The second shaft has a combination hole. The second shaft is surrounded by the second helical tooth and has a second outer surface and a second inner surface. The combined shaft passes through the combination hole.
    Type: Application
    Filed: December 24, 2014
    Publication date: April 21, 2016
    Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE
    Inventors: Ching-Huei WU, Tien-Hsi TAI, Chang-Chia HSIEH, Min-Chang WU, Sheng-Feng TSAI, Ming-Ju WU