JPS59170356U

JPS59170356U - circuit breaker

Info

Publication number: JPS59170356U
Application number: JP6487383U
Authority: JP
Inventors: 明竹内; 市村　安男
Original assignee: 松下電工株式会社
Priority date: 1983-04-28
Filing date: 1983-04-28
Publication date: 1984-11-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は先行技術の斜視図、第２図は他の先行技術の斜
視図、第３図は本考案の一実施徊の一部の断面図、第４
図は固定接点１１に関連する構成を示す分解斜視図であ
る。８・・・固定接触子、９・・・端子、１０・・・折返し
部分、１１・・・固定接点、１２・・・可動接触子、１
３・・・可動接点、１４・・・消弧装置、２４．２５・
・・スリット、２６．２７・・・放熱部。FIG. 1 is a perspective view of the prior art, FIG. 2 is a perspective view of another prior art, FIG. 3 is a cross-sectional view of a part of one embodiment of the present invention, and FIG.
The figure is an exploded perspective view showing the configuration related to the fixed contact 11. 8... Fixed contact, 9... Terminal, 10... Folded portion, 11... Fixed contact, 12... Movable contact, 1
3... Movable contact, 14... Arc extinguishing device, 24.25.
...Slit, 26.27... Heat dissipation part.

Claims

[Scope of Claim for Utility Model Registration] A U-shaped fixed contact having a fixed contact, and a movable contact having one movable point and extending in line with the folded part of the fixed contact to which the fixed contact is fixed. In the circuit breaker which drives the movable contact with an excessive current and separates the movable contact from the fixed contact, the folded part has a slit with one end open along the extending direction. A circuit breaker featuring: