The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 30, 2025

Filed:

Mar. 31, 2022
Applicant:

Chint Low Voltage Electrical Technology Co., Ltd., Shanghai, CN;

Inventors:

Denggui Ao, Shanghai, CN;

Lijun Yan, Shanghai, CN;

Hao Fu, Shanghai, CN;

Yongfu Xu, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 69/00 (2006.01); H01H 71/50 (2006.01); H01H 71/54 (2006.01);
U.S. Cl.
CPC ...
H01H 69/00 (2013.01); H01H 71/505 (2013.01); H01H 71/54 (2013.01); H01H 2071/507 (2013.01);
Abstract

An operating mechanism of a circuit breaker, wherein two ends of a first spring are rotationally connected to a rocker arm assembly and a first crank through a first spring shaft and a second spring shaft respectively, and one end of a jump buckle is rotationally connected to a bracket and is a jump buckle pivoting end; a jump buckle hole of the jump buckle is aligned with a bracket hole of the bracket; the first spring shaft is in limiting fit with the jump buckle; and one end of the first crank swings in a direction away from the jump buckle pivoting end, such that a spacing between the first spring shaft and the second spring shaft is smaller than or equal to the length of the first spring, and a first assembly state is formed.


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