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Patent Searching and Data


Title:
OPERATING MECHANISM FOR CIRCUIT BREAKER
Document Type and Number:
WIPO Patent Application WO/2021/062921
Kind Code:
A1
Abstract:
An operating mechanism for a circuit breaker, comprising a pair of side plates (1), a rotating shaft assembly (2), a connecting rod assembly (3) disposed between the pair of side plates (1), an energy storage lever assembly (4), a locking assembly (5), a spring assembly (6), a camshaft (7), a closing half shaft (8), an opening half shaft (9), and a pair of reset springs (10). The rotating shaft assembly (2) comprises a rotating shaft (201) and a cantilever (202) fixed on the rotating shaft (201); both ends of the rotating shaft (201) are respectively rotatably connected to the pair of side plates (1), so that the rotating shaft assembly (2) rotates on the pair of side plates (1). The solution achieves the reliability of the operating mechanism for a circuit breaker, and improves the product service life.

Inventors:
LU JIAYU (CN)
XUAN JITAO (CN)
HE CHUN (CN)
ZHAO PENG (CN)
Application Number:
PCT/CN2019/118731
Publication Date:
April 08, 2021
Filing Date:
November 15, 2019
Export Citation:
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Assignee:
SHANGHAI LIANGXIN ELECTRICAL (CN)
International Classes:
H01H71/10
Foreign References:
CN107749383A2018-03-02
CN207852595U2018-09-11
CN101656167A2010-02-24
CN103646827A2014-03-19
JPH07245046A1995-09-19
Attorney, Agent or Firm:
SHANGHAI L&W INTELLECTUAL PROPERTY LAW OFFICE, LLC (CN)
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