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:
Mar. 10, 2015

Filed:

Dec. 26, 2012
Applicant:

Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;

Inventors:

Jong Doo Kim, Cheongju, KR;

Hong Ik Yang, Cheongju, KR;

Kil Young Ahn, Daejeon, KR;

Assignee:

LSIS Co., Ltd., Anyang-Si, Gyeonggi-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 1/52 (2006.01); H01H 3/04 (2006.01); H01H 3/30 (2006.01); H01H 71/58 (2006.01); H01H 3/12 (2006.01); H01H 71/50 (2006.01);
U.S. Cl.
CPC ...
H01H 3/04 (2013.01); H01H 3/3015 (2013.01); H01H 71/58 (2013.01); H01H 3/12 (2013.01); H01H 71/505 (2013.01); H01H 2003/3089 (2013.01);
Abstract

A circuit breaker having a mechanical trip mechanism enabling a circuit breaker to perform an emergency manual trip operation is provided. The circuit breaker includes: a fixed contactor connected to a circuit; a movable contactor movable to a closed state in which the movable contactor is in contact with the fixed contactor and a broken state in which the movable contactor is separated from the fixed contactor, an opening and closing mechanism configured to convert a rotational motion of a plurality of links and a rotational shaft to enable the movable contactor to be brought into contact with the fixed contactor or separated therefrom; a trip latch locked to or unlocked from a main link provided in the opening and closing mechanism; and an OFF button configured to rotate the trip latch to unlock the trip latch from the main link when manually pressed.


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