Title:
CIRCUIT BREAKER
Document Type and Number:
Japanese Patent JP2019008927
Kind Code:
A
Abstract:
To provide a circuit breaker in which a projection is suppressed from being broken without performing special curved surface processing around a pore for the caulking of an arc runner.SOLUTION: A circuit breaker includes a fixed contactor 2 including a projection 21 and an arc runner 3 guiding an arc generated in separation of a fixed contact and a movable contact to an arc extinguishing device, the fixed contactor 2 and the arc runner 3 being fixed by the projection 21 inserted into a pore 31 provided to the arc runner 3. The circuit breaker is provided with a groove 22 around the projection 21 of the fixed contactor 2.SELECTED DRAWING: Figure 8
Inventors:
OKAMURA HIROYUKI
Application Number:
JP2017121897A
Publication Date:
January 17, 2019
Filing Date:
June 22, 2017
Export Citation:
Assignee:
NITTO KOGYO KK
International Classes:
H01H73/18; H01H33/20
Domestic Patent References:
| JPS629341U | 1987-01-20 | |||
| JPH11162276A | 1999-06-18 |
Attorney, Agent or Firm:
Patent Business Corporation Najima Patent Office