JPS58130337U

JPS58130337U - circuit break

Info

Publication number: JPS58130337U
Application number: JP2571082U
Authority: JP
Inventors: 覚岡田; 畑中　清正
Original assignee: 株式会社日立製作所
Priority date: 1982-02-26
Filing date: 1982-02-26
Publication date: 1983-09-03

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図は従来例の機構部の側面図、第２図はその正面図
、第３図は本考案実施例の回路しゃ断器の機構部の側面
図、第４図はＯＦＦ操作時の機構　　　′部側面図、第
５図はトリップ時の機構部側面図、第６図は同じく第４
図、第５図の詳細断面図、第７図は本考案部分の正面図
である。１・・・引きはずし金具、２・・・フック、３・・・引
掛部、４・・・爪、５・・・フック軸、６・・・軸、７
・・・偏寄バネ、８・・・可動フレーム、９・・・リン
ク、１０・・・可動接触子、１１・・・ビン、１２・・
・固定フレーム。Figure 1 is a side view of the mechanism of the conventional example, Figure 2 is its front view, Figure 3 is a side view of the mechanism of the circuit breaker according to the embodiment of the present invention, and Figure 4 is the mechanism during OFF operation. Fig. 5 is a side view of the mechanism during tripping, and Fig. 6 is a side view of the mechanism during tripping.
FIG. 5 is a detailed sectional view, and FIG. 7 is a front view of the part of the present invention. DESCRIPTION OF SYMBOLS 1... Tripping metal fitting, 2... Hook, 3... Hook part, 4... Claw, 5... Hook shaft, 6... Shaft, 7
... Unbalanced spring, 8... Movable frame, 9... Link, 10... Movable contact, 11... Bin, 12...
・Fixed frame.

Claims

[Scope of utility model registration request]

a hook axis that is the center of rotation of the hook provided with a notch; a hook part that is biased to one side with a spring or that engages with the hook axis;
A circuit breaker comprising a movable frame having a pin that engages with the hook portion and also serves to support the movable contact, thereby preventing the movable contact from bouncing back.