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:
Aug. 15, 2017
Filed:
Sep. 04, 2014
Applicant:
Lsis Co., Ltd., Anyang-si, Gyeonggi-do, KR;
Inventors:
Assignee:
LSIS CO., LTD., Anyang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E05C 1/06 (2006.01); E05B 65/00 (2006.01); H01H 9/22 (2006.01); H01H 31/06 (2006.01); H02B 11/133 (2006.01); H02B 11/28 (2006.01);
U.S. Cl.
CPC ...
E05B 65/00 (2013.01); H01H 9/22 (2013.01); H01H 31/06 (2013.01); H02B 11/133 (2013.01); H02B 11/28 (2013.01); Y10T 292/1016 (2015.04);
Abstract
A door interlock device for a power transformer room in a vacuum circuit breaker includes a cam disposed on a shaft of a ground switch, a supporter disposed on a side plate of a power transformer room, a shaft disposed at the supporter to be slidable and having one end contacting the cam to be upward and downward movable, a spring disposed within the supporter to provide an upward elastic force to the shaft, and an interlock plate disposed at one side of the power transformer room door and configured to be in contact with the shaft.