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. 17, 2018
Filed:
Aug. 24, 2016
Hyundai Heavy Industries Co., Ltd., Ulsan, KR;
Il Chul Ahn, Ulsan, KR;
Kyu Bok Choi, Ulsan, KR;
Young Sung Kim, Ulsan, KR;
Zoltán Bajnay, Ulsan, KR;
Balázs Lévai, Ulsan, KR;
Csanád Bakos, Ulsan, KR;
Hyundai Electric & Energy Systems Co., Ltd., Seoul, KR;
Abstract
A spring operation device includes a closing shaft rotating to apply closing driving force to a movable contactor of a circuit breaker; a breaking shaft connected to the closing shaft in an axial direction and rotating to apply breaking driving force to the movable contactor of a circuit breaker; a plurality of springs having one ends connected to the closing shaft and the breaking shaft and the other ends fixed in position and provided along circumferences of the closing shaft and the breaking shaft in order to transmit elastic restoring force to the closing shaft and the breaking shaft to rotate the closing shaft and the breaking shaft; and a power transmission unit connecting the closing shaft and the breaking shaft when a closing operation is performed and releasing a connection between the closing shaft and the breaking shaft when a breaking operation is performed.