Title:
回路遮断器
Document Type and Number:
Japanese Patent JP7085896
Kind Code:
B2
Abstract:
To provide a circuit breaker in which a coil spring for pressing a movable contact can be easily arranged on a movable body.SOLUTION: A circuit breaker 10 includes a handle 70, a separator 60, and a coil spring 80. The separator 60 operates in conjunction with the operation of the handle 70, and a cylindrical insertion portion 63 into which a movable contact 50 is inserted is formed. The coil spring 80 presses the movable contact 50 against an upper inner wall surface 631 of the insertion portion 63. The insertion portion 63 is formed with an insertion opening 636 into which the coil spring 80 can be inserted. A protrusion 55 into which the coil spring 80 is inserted is formed on the pressing surface 54 of the movable contact 50 pressed by one end of the coil spring 80. An inclined surface 550 is formed on the protrusion 55.SELECTED DRAWING: Figure 1
Inventors:
Hiroaki Kato
Yuta Yamanaka
Yuta Yamanaka
Application Number:
JP2018099536A
Publication Date:
June 17, 2022
Filing Date:
May 24, 2018
Export Citation:
Assignee:
Kawamura Electric Co., Ltd.
International Classes:
H01H73/02
Domestic Patent References:
| JP47031499Y1 | ||||
| JP62008445U |
Attorney, Agent or Firm:
Ishida Kiki
Previous Patent: Methods and devices for controlling the thickness of strips
Next Patent: Ammonia concentration detector
Next Patent: Ammonia concentration detector