Patents by Inventor Yubo ZHONG

Yubo ZHONG 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: 9422758
    Abstract: The present invention provides a horizontal door closer structure, comprising an outer sleeve pipe and an inner pipe which can slide relatively, wherein an end of the outer sleeve pipe is provided with a buffer device, an adjustment component for adjusting total inlet and outlet air, and a buffer assembly are arranged on the buffer device; a spring is arranged in the inner pipe, one end of the spring is connected to the inner pipe, and the other end thereof is connected to the buffer device; and the front end of the outer sleeve pipe and an end of the inner pipe are provided with locating components which are mutually matched. In the door closer structure, the compression spring is arranged in the inner pipe, thereby saving the space of a door closer, and the adopted buffer device plays a buffering role by adjusting the total inlet and outlet air, and can control the speed of opening a door.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: August 23, 2016
    Inventor: Yubo Zhong
  • Publication number: 20160002966
    Abstract: The present invention provides a horizontal door closer structure, comprising an outer sleeve pipe and an inner pipe which can slide relatively, wherein an end of the outer sleeve pipe is provided with a buffer device, an adjustment component for adjusting total inlet and outlet air, and a buffer assembly are arranged on the buffer device; a spring is arranged in the inner pipe, one end of the spring is connected to the inner pipe, and the other end thereof is connected to the buffer device; and the front end of the outer sleeve pipe and an end of the inner pipe are provided with locating components which are mutually matched. In the door closer structure, the compression spring is arranged in the inner pipe, thereby saving the space of a door closer, and the adopted buffer device plays a buffering role by adjusting the total inlet and outlet air, and can control the speed of opening a door.
    Type: Application
    Filed: November 8, 2013
    Publication date: January 7, 2016
    Inventor: Yubo ZHONG