Patents by Inventor Qiquan He

Qiquan He 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).

  • Operation mechanism of circuit breaker
    Patent number: 10256066
    Abstract: An operation mechanism of a circuit breaker includes: a tripping component; a left side plate; a right side plate; a latch; a half shaft; a lever; and a main shaft. The tripping component, the latch, the half shaft and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The lever includes a sheet metal bending piece. The sheet metal bending piece is bent to form a top wall and two side walls. The tripping component, the latch, the half shaft, the lever and the main shaft move in linkage. The tripping and the latch form a two-level latch. The operation mechanism of the circuit breaker is manual operation.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: April 9, 2019
    Assignees: SEARI ELECTRIC TECHNOLOGY CO., LTD., ZHEJIANG CHINT ELECTRICS CO., LTD.
    Inventors: Jisheng Sun, Yong Li, Qiquan He
  • OPERATION MECHANISM OF CIRCUIT BREAKER
    Publication number: 20180122610
    Abstract: An operation mechanism of a circuit breaker includes: a tripping component; a left side plate; a right side plate; a latch; a half shaft; a lever; and a main shaft. The tripping component, the latch, the half shaft and the lever are mounted between the left side plate and the right side plate. The half shaft and the main shaft penetrate through the left side plate and the right side plate, and extend out of the left side plate and the right side plate. The lever includes a sheet metal bending piece. The sheet metal bending piece is bent to form a top wall and two side walls. The tripping component, the latch, the half shaft, the lever and the main shaft move in linkage. The tripping and the latch form a two-level latch. The operation mechanism of the circuit breaker is manual operation.
    Type: Application
    Filed: April 22, 2016
    Publication date: May 3, 2018
    Applicants: SEARI ELECTRIC TECHNOLOGY CO., LTD., ZHEJIANG CHINT ELECTRICS CO., LTD.
    Inventors: Jisheng Sun, Yong Li, Qiquan He