Patents by Inventor Honglei Qu

Honglei Qu 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).

  • Interlock assembly for elevator door and elevator system
    Patent number: 11724916
    Abstract: An elevator door interlock assembly and an elevator system. The elevator door interlock assembly includes: a first base plate on which a common rotating shaft is arranged; a first hanging wheel, which is pivotally connected to the first base plate through the common rotating shaft and guides the first base plate to reciprocate in an opening and closing direction of an elevator door; and a first lock arm, a middle part of which is pivotally connected to the first base plate through the common rotating shaft, so as to rotate between a locked position and a released position when the elevator door is closed.
    Type: Grant
    Filed: May 26, 2022
    Date of Patent: August 15, 2023
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Meihong Mao, Honglei Qu, Fei Long, Yaxin Zhang
  • INTERLOCK ASSEMBLY FOR ELEVATOR DOOR AND ELEVATOR SYSTEM
    Publication number: 20230033794
    Abstract: An elevator door interlock assembly and an elevator system. The elevator door interlock assembly includes: a first base plate on which a common rotating shaft is arranged; a first hanging wheel, which is pivotally connected to the first base plate through the common rotating shaft and guides the first base plate to reciprocate in an opening and closing direction of an elevator door; and a first lock arm, a middle part of which is pivotally connected to the first base plate through the common rotating shaft, so as to rotate between a locked position and a released position when the elevator door is closed.
    Type: Application
    Filed: May 26, 2022
    Publication date: February 2, 2023
    Inventors: Meihong Mao, Honglei Qu, Fei Long, Yaxin Zhang