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:
Jun. 25, 2019

Filed:

Apr. 22, 2016
Applicants:

Seari Electric Technology Co., Ltd., Shanghai, CN;

Zhejiang Chint Electrics Co., Ltd., Yueqing, CN;

Inventors:

Jisheng Sun, Shanghai, CN;

Yong Li, Shanghai, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 71/64 (2006.01); H01H 71/62 (2006.01); H01H 71/10 (2006.01); H01H 71/50 (2006.01); H01H 71/52 (2006.01);
U.S. Cl.
CPC ...
H01H 71/62 (2013.01); H01H 71/10 (2013.01); H01H 71/501 (2013.01); H01H 71/521 (2013.01); H01H 71/525 (2013.01); H01H 71/64 (2013.01); H01H 2071/502 (2013.01);
Abstract

A fusion welding isolation mechanism for an operating mechanism of a circuit breaker is provided. The operating mechanism of circuit breaker includes: a tripping component, a left side, a right side plate, a latch, a half shaft, a lever, and a main shaft. The tripping component, the latch, 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 tripping component, the latch, the half shaft, the lever, and the main shaft move in linkage. The lever and the main shaft are provided with isolation devices for preventing an operation handle from an opening operation when a moving contact is subject to fusion welding.


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