JPS5844746U

JPS5844746U - circuit break

Info

Publication number: JPS5844746U
Application number: JP14127881U
Authority: JP
Inventors: 博藤井
Original assignee: 三菱電機株式会社
Priority date: 1981-09-21
Filing date: 1981-09-21
Publication date: 1983-03-25
Also published as: JPH0220747Y2

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図はこの考案に係る回路しゃ断器の閉路状態の一実
施例を示す側断面図、第２図は第１図の開閉機構部の組
立展開図、第３図ａはレバーの平面図、第３図すは第３
図ａの側面図、第３図Ｃは第３図ａの背面図、第４図は
ベースの要部を示す斜視図、第５図は引外し杆の組立状
態を示す部分側断面図、第６図はこの考案に係る回路し
ゃ断器の開路状態を示す側断面図、第７図はこの考案の
効果説明図、第８図は可動子の他の実施例を示す斜視図
である。図において、各図中同一部分には同一符号を付しており
、１はベース、２はカバー、３はフレーム、３ａは立板
、３Ｃは丸穴、３ｄは細長穴、５はハンドル、５ａは内
溝、５ｂは穴、６は軸、７はコ字状ピン１．７ａは上腕
、７ｂは下腕、８はレバー、８ｂは丸穴、８Ｃは細角穴
、８ｄは後端部、１２は引外し杆、１２ｂは保合部、１
６はバイメタルである。FIG. 1 is a side sectional view showing an embodiment of the circuit breaker according to the invention in a closed state, FIG. 2 is an exploded assembled view of the opening/closing mechanism shown in FIG. 1, and FIG. 3a is a plan view of the lever. Figure 3
Figure 3C is a rear view of Figure 3a, Figure 4 is a perspective view showing the main parts of the base, Figure 5 is a partial side sectional view showing the assembled state of the trip lever, and Figure 3C is a rear view of Figure 3a. FIG. 6 is a side sectional view showing the circuit breaker according to this invention in an open state, FIG. 7 is a diagram illustrating the effect of this invention, and FIG. 8 is a perspective view showing another embodiment of the movable element. In the figures, the same parts in each figure are given the same reference numerals, 1 is the base, 2 is the cover, 3 is the frame, 3a is the standing board, 3C is the round hole, 3d is the elongated hole, 5 is the handle, 5a is an inner groove, 5b is a hole, 6 is a shaft, 7 is a U-shaped pin 1.7a is an upper arm, 7b is a lower arm, 8 is a lever, 8b is a round hole, 8C is a narrow square hole, 8d is a rear end, 12 is a tripping rod, 12b is a retaining part, 1
6 is bimetallic.

Claims

[Scope of utility model registration request]

a terminal plate fixed to a base and having a fixed contact at one end; a movable element having a movable contact at one end opposite to the fixed contact; A presser plate that opens and closes the contact relative to the fixed contact; a lever that presses the upper end of the presser plate against the spring force of a push spring when operating the handle; and a lever that engages with the rear end of the lever. 1. A Sonoji breaker, comprising tripping levers each having an engaging portion, wherein the longitudinal end surface of the rear end of the lever is substantially arcuate with a radius extending in the longitudinal direction of the lever.