Patents by Inventor Chuan-Chin Yang

Chuan-Chin Yang 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).

  • Operating mechanism for umbrella
    Patent number: 7909049
    Abstract: An operating mechanism used in an umbrella is disclosed to include a telescopic shaft, first and second screw nuts fixedly mounted in the telescopic shaft at different elevations, a third screw nut is fixedly mounted in the runner of the umbrella, a first screw rod threaded through the first screw nut, a second screw rod threaded through the second screw nut and axially slidably connected to and rotatable with the first screw rod, a third screw rod threaded through the third screw nut and axially slidably connected to and rotatable with the second screw rod, and a transmission mechanism connected to the first screw rod and operable to rotate the first screw rod.
    Type: Grant
    Filed: December 28, 2009
    Date of Patent: March 22, 2011
    Inventors: Chuan-Chin Yang, Chi-Sheng Huang
  • Operating Mechanism for Umbrella
    Publication number: 20100170545
    Abstract: An operating mechanism used in an umbrella is disclosed to include a telescopic shaft, first and second screw nuts fixedly mounted in the telescopic shaft at different elevations, a third screw nut is fixedly mounted in the runner of the umbrella, a first screw rod threaded through the first screw nut, a second screw rod threaded through the second screw nut and axially slidably connected to and rotatable with the first screw rod, a third screw rod threaded through the third screw nut and axially slidably connected to and rotatable with the second screw rod, and a transmission mechanism connected to the first screw rod and operable to rotate the first screw rod.
    Type: Application
    Filed: December 28, 2009
    Publication date: July 8, 2010
    Inventors: Chuan-Chin Yang, Chi-Sheng Huang