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:
Apr. 14, 2026

Filed:

Aug. 16, 2022
Applicant:

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

Inventors:

Denggui Ao, Shanghai, CN;

Dengyu Lu, Shanghai, CN;

Lijun Yan, Shanghai, CN;

Yongfu Xu, Shanghai, CN;

Xiaoqin Yuan, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 71/52 (2006.01); H01H 73/04 (2006.01);
U.S. Cl.
CPC ...
H01H 71/521 (2013.01); H01H 73/04 (2013.01);
Abstract

An operating mechanism with a second connecting rod assembly that includes a second crank pivotally disposed around a tenth axis, a third connecting rod, and a third crank pivotally disposed around an eleventh axis. The second crank is rotatably connected to the third connecting rod through an eighth shaft, the third connecting rod is rotatably connected to the third crank through a ninth shaft, a first connecting rod assembly is rotatably connected to the second crank through a seventh shaft, and all the shafts and the axes are spaced in parallel. The tenth axis or the eleventh axis coincides with a rotation axis of a moving contact mechanism, and the eighth shaft or the ninth shaft rotates the moving contact mechanism. The operating mechanism provides a plurality of modes of connection with the moving contact mechanism, thereby facilitating the design of a contact system of the circuit breaker.


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