Patents by Inventor Tang Yu WU

Tang Yu WU 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: 9366880
    Abstract: A replaceable arm structure for spectacles comprises a joint unit disposed between a frame and an arm. A front end of the joint unit is pivotally connected to the frame, and a rear end of the joint unit forms a horizontal spindle perpendicularly connected to a radial locating shaft. A horizontal axial hole and an axial cutout slot communicating with a radial locating slot perpendicularly are formed on a front end of the arm. The rear end of the joint unit is pivotally connected to the arm by fitting the horizontal spindle with the horizontal axial hole. The rear end of the joint unit and the arm are fixed together by fitting the radial locating shaft with the radial locating slot.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: June 14, 2016
    Assignee: CHENG YI OPTICAL (XIAMEN) CO., LTD.
    Inventor: Tang Yu Wu
  • Publication number: 20160004094
    Abstract: A replaceable arm structure for spectacles comprises a joint unit disposed between a frame and an arm. A front end of the joint unit is pivotally connected to the frame, and a rear end of the joint unit forms a horizontal spindle perpendicularly connected to a radial locating shaft. A horizontal axial hole and an axial cutout slot communicating with a radial locating slot perpendicularly are formed on a front end of the arm. The rear end of the joint unit is pivotally connected to the arm by fitting the horizontal spindle with the horizontal axial hole. The rear end of the joint unit and the arm are fixed together by fitting the radial locating shaft with the radial locating slot.
    Type: Application
    Filed: November 8, 2013
    Publication date: January 7, 2016
    Inventor: Tang Yu WU