Title:
回路遮断器の電磁引き外し装置
Document Type and Number:
Japanese Patent JP7337569
Kind Code:
B2
Abstract:
To provide an electromagnetic trip device for a circuit breaker that can be assembled more easily as compared with a prior art.SOLUTION: A movable electromagnetic piece 22 is assembled to a joint iron 21 in a state where the movable electromagnetic piece 22 penetrates through an opening 27 formed in the joint iron 21 in a front-and-rear direction, and a first fitting projection 28 which projects downward is provided at an upper edge of the opening 27 of the joint iron 21. A second fitting protrusion 29 which projects upward is provided at a position facing the first fitting protrusion 28 in the movable electromagnetic piece 22. As urging means for urging the movable electromagnetic piece 22 to a normal posture side, a compression spring 23 formed in a coil-spring-like shape is provided while the first fitting projection 28 is fitted on one end side and the second fitting projection 29 is fitted on the other end side.SELECTED DRAWING: Figure 3
Inventors:
Hiroaki Kato
Yuta Yamanaka
Yuki Furukawa
Yuta Yamanaka
Yuki Furukawa
Application Number:
JP2019124683A
Publication Date:
September 04, 2023
Filing Date:
July 03, 2019
Export Citation:
Assignee:
Kawamura Electric Co., Ltd.
International Classes:
H01H71/24; H01H73/36
Domestic Patent References:
| JP1107846U | ||||
| JP2095210U | ||||
| JP1083243U |
Attorney, Agent or Firm:
Yoshiki Ishida
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