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:
Jul. 07, 2015
Filed:
Nov. 12, 2013
Applicant:
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Inventor:
Sang Jin Lee, Daegu, KR;
Assignee:
LSIS Co., Ltd., Anyang-Si, Gyeonggi-Do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 67/02 (2006.01); H01H 50/16 (2006.01); H01H 50/30 (2006.01); H01H 50/34 (2006.01);
U.S. Cl.
CPC ...
H01H 50/163 (2013.01); H01H 50/305 (2013.01); H01H 50/34 (2013.01);
Abstract
Disclosed is an electromagnetic device. The electromagnetic switching device includes: a shaft coupled with a movable contact point to reciprocate up and down; and an elastic member coupled with a bottom end of the shaft, wherein a vertical volume of the elastic member expands as a temperature is increased.