Patents by Inventor Dashan SI

Dashan SI 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).

  • Quick-mounting structure, adaptor ring and filter
    Patent number: 11966145
    Abstract: The present disclosure relates to the technical field of adjustment and installation of photography and video recording, in particular, to a quick-mounting structure, an adaptor ring and a filter. The quick-mounting structure includes a rotating groove body, wherein the rotating groove body is provided with a sliding groove therein, a notch is provided in the side wall of the sliding groove, and the rotating groove body is provided on the first connecting member; and a stopper, wherein the stopper is provided on the second connecting member, and can get into and out of the sliding groove through the notch.
    Type: Grant
    Filed: January 27, 2021
    Date of Patent: April 23, 2024
    Assignee: PGYTECH CO., LTD.
    Inventors: Dashan Si, Guangshan Wang, Xiuzhi Yu
  • Quick-Mounting Structure, Adaptor Ring and Filter
    Publication number: 20220206240
    Abstract: The present disclosure relates to the technical field of adjustment and installation of photography and video recording, in particular, to a quick-mounting structure, an adaptor ring and a filter. The quick-mounting structure includes a rotating groove body, wherein the rotating groove body is provided with a sliding groove therein, a notch is provided in the side wall of the sliding groove, and the rotating groove body is provided on the first connecting member; and a stopper, wherein the stopper is provided on the second connecting member, and can get into and out of the sliding groove through the notch.
    Type: Application
    Filed: January 27, 2021
    Publication date: June 30, 2022
    Inventors: Dashan SI, Guangshan WANG, Xiuzhi YU