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.
Patent No.:
Date of Patent:
Dec. 10, 2013
Filed:
Feb. 16, 2012
IN Kyum Kim, Cheongju-Si, KR;
Seung Pil Yang, Cheongju-Si, KR;
Hong Ik Yang, Cheongju-Si, KR;
Kil Young Ahn, Daejeon, KR;
In Kyum Kim, Cheongju-Si, KR;
Seung Pil Yang, Cheongju-Si, KR;
Hong Ik Yang, Cheongju-Si, KR;
Kil Young Ahn, Daejeon, KR;
LSIS Co., Ltd., Anyang-Si, Gyeonggi-Do, KR;
Abstract
A circuit breaker having a cradle, the circuit breaker comprises: an upper shutter and a lower shutter configured to open and close terminals of the cradle; an upper shutter operation link having one end connected to the upper shutter and another end rotatably coupled to a pivot; a lower shutter operation link having one end connected to the lower shutter and another end rotatably coupled to the pivot; and a shutter safety device comprising a coupling unit fixedly-coupled to the pivot, a rotation unit rotatably coupled to the coupling unit, and a link fixing unit provided at one end of the rotation unit, wherein the link fixing unit is to restrict rotation of the upper shutter operation link and the lower shutter operation link in a contacting manner.