Patents by Inventor Senyuan Qiao

Senyuan Qiao 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).

  • Asynchronous door knife of elevator integrated car door lock
    Patent number: 10040669
    Abstract: An asynchronous door knife comprises a track rack and a base plate; a dynamic blade and an unlocking blade which are connected on the front of the base plate in a swinging manner; a knife lifting ball which is arranged on the dynamic blade; a lock hook which is arranged on the back of the base plate and correspondingly buckled with a latch, wherein the unlocking blade is connected on the base plate through a lifting plate; the lifting plate is hinged on the base plate and comprises a first swing arm and a second swing arm; the first swing arm is hinged with the unlocking blade; the second swing arm is connected with an unlocking connecting rod; a lifting hole is additionally formed on the base plate; the middle of the lock hook is hinged with the unlocking connecting rod through the lifting hole.
    Type: Grant
    Filed: August 12, 2014
    Date of Patent: August 7, 2018
    Assignee: OTIS ELEVATOR COMPANY
    Inventors: Xiaobo Zhang, Qingxi Cai, Xiaoxiao Dong, Minchao Chen, Senyuan Qiao
  • ASYNCHRONOUS DOOR KNIFE OF ELEVATOR INTEGRATED CAR DOOR LOCK
    Publication number: 20160236907
    Abstract: An asynchronous door knife comprises a track rack and a base plate; a dynamic blade and an unlocking blade which are connected on the front of the base plate in a swinging manner; a knife lifting ball which is arranged on the dynamic blade; a lock hook which is arranged on the back of the base plate and correspondingly buckled with a latch, wherein the unlocking blade is connected on the base plate through a lifting plate; the lifting plate is hinged on the base plate and comprises a first swing arm and a second swing arm; the first swing arm is hinged with the unlocking blade; the second swing arm is connected with an unlocking connecting rod; a lifting hole is additionally formed on the base plate; the middle of the lock hook is hinged with the unlocking connecting rod through the lifting hole.
    Type: Application
    Filed: August 12, 2014
    Publication date: August 18, 2016
    Inventors: Xiaobo Zhang, Qingxi Cai, Xiaoxiao Dong, Minchao Chen, Senyuan Qiao