Patents by Inventor Ching-Kai Wang

Ching-Kai Wang 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).

  • Latch assembly
    Patent number: 10060160
    Abstract: A latch assembly disposed in an anti-fire door includes a tube, a blocking pin, an elastic member and a wedging member, wherein the tube comprises a main body and an accommodating space. The main body comprises a constraining slot communicating with the accommodating space, wherein the blocking pin, the elastic member and the wedging member are disposed in the accommodating space. The elastic member is used for pushing the blocking pin and the wedging member to move and making the blocking pin protruding to the tube and lodging in a door frame. The wedging member lodged in the constraining slot is used for blocking the blocking pin protruded to the tube therefore preventing the blocking pin from retracting back into the accommodating space.
    Type: Grant
    Filed: February 26, 2015
    Date of Patent: August 28, 2018
    Assignee: TAIWAN FU HSING INDUSTRIAL CO., LTD.
    Inventors: Ching-Kai Wang, Chih-Lung Lin
  • LATCH ASSEMBLY
    Publication number: 20160145906
    Abstract: A latch assembly disposed in an anti-fire door includes a tube, a blocking pin, an elastic member and a wedging member, wherein the tube comprises a main body and an accommodating space. The main body comprises a constraining slot communicating with the accommodating space, wherein the blocking pin, the elastic member and the wedging member are disposed in the accommodating space. The elastic member is used for pushing the blocking pin and the wedging member to move and making the blocking pin protruding to the tube and lodging in a door frame. The wedging member lodged in the constraining slot is used for blocking the blocking pin protruded to the tube therefore preventing the blocking pin from retracting back into the accommodating space.
    Type: Application
    Filed: February 26, 2015
    Publication date: May 26, 2016
    Inventors: Ching-Kai Wang, Chih-Lung Lin