Patents by Inventor Youjun FENG

Youjun FENG 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).

  • Helmet with transformable jaw protecting structure based on gear constraint
    Patent number: 10143259
    Abstract: The invention belongs to the technical field of helmets and relates to a helmet with a transformable jaw protecting structure, wherein a jaw protector is reliably transformed between a full-face helmet position and a half-face helmet position in a gear constraint structure and mode, and the uniqueness and reversibility of a kinematical and geometrical locus of the jaw protector can be kept everywhere during a round trip.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 4, 2018
    Assignee: JIANGMEN PENGCHENG HELMETS LTD.
    Inventors: Haotian Liao, Youjun Feng
  • HELMET WITH TRANSFORMABLE JAW PROTECTING STRUCTURE BASED ON GEAR CONSTRAINT
    Publication number: 20180213877
    Abstract: The invention belongs to the technical field of helmets and relates to a helmet with a transformable jaw protecting structure, wherein a jaw protector is reliably transformed between a full-face helmet position and a half-face helmet position in a gear constraint structure and mode, and the uniqueness and reversibility of a kinematical and geometrical locus of the jaw protector can be kept everywhere during a round trip.
    Type: Application
    Filed: July 6, 2016
    Publication date: August 2, 2018
    Inventors: Haotian LIAO, Youjun FENG