Title:
WITHDRAWAL/INSERTION PREVENTION MECHANISM FOR VACUUM CIRCUIT BREAKER AND VACUUM CIRCUIT BREAKER COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2021/125457
Kind Code:
A1
Abstract:
The present invention relates to a withdrawal/insertion prevention mechanism for a vacuum circuit breaker and a vacuum circuit breaker comprising same, and specifically, to a withdrawal/insertion prevention mechanism for a vacuum circuit breaker that prevents twisting during vertical reciprocating motion of an interlock shaft with a double bracket support structure and a vacuum circuit breaker comprising same. The present invention applies the double bracket support structure in which an interlock lever and an interlock shaft are connected with auxiliary pin bolts and a guide pin is formed on the interlock shaft, thereby preventing twisting of the interlock shaft. In addition, the present invention can prevent twisting of the interlock lever by rotatably fixing the interlock lever to two bracket fixing plates.
Inventors:
KIM BYOUNG-CHUL (KR)
JO JUN-YOUN (KR)
YANG HONG-IK (KR)
JO JUN-YOUN (KR)
YANG HONG-IK (KR)
Application Number:
PCT/KR2020/005755
Publication Date:
June 24, 2021
Filing Date:
April 29, 2020
Export Citation:
Assignee:
LS ELECTRIC CO LTD (KR)
International Classes:
H01H33/666; H01H33/46
Foreign References:
| KR20180076191A | 2018-07-05 | |||
| KR101667258B1 | 2016-10-19 | |||
| KR20120001458U | 2012-03-05 | |||
| KR19990087611A | 1999-12-27 | |||
| JP2018050408A | 2018-03-29 |
Attorney, Agent or Firm:
DAE-A INTELLECTUAL PROPERTY CONSULTING (KR)
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