JPS6119954U

JPS6119954U - arc extinguisher

Info

Publication number: JPS6119954U
Application number: JP10601384U
Authority: JP
Inventors: 博寿大石
Original assignee: 三菱電機株式会社
Priority date: 1984-07-11
Filing date: 1984-07-11
Publication date: 1986-02-05

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

【図面の簡単な説明】第１図は従来の゜消弧装置を示す正面図イと側面図口、
第２客はそのグリッドのみを示す斜視図、第３図はこの
考案の一実施例による消弧装置を示す正面図イと側面図
口、第４図はそのグリッドのみを示す斜視図、第５図、
第６図はこの考案の他の実施例を示すもので、第５図は
グリッドを示す斜視図、第６図は第３図のＶＩ−Ｖｌ線
に相当する部分の断面図である。図中、１はグリッド、ｌａ，ｌｂはカシメ用突起、１Ｃ
は溝、ｌｄ，Ｉｆは脚部、２，３は側板である。尚、図中同一符号は同一または相当部分を示す。[Brief explanation of the drawings] Figure 1 shows a front view A and a side view of a conventional arc extinguishing device.
2 is a perspective view showing only the grid, FIG. 3 is a front view and side view showing an arc extinguishing device according to an embodiment of this invention, FIG. figure,
6 shows another embodiment of this invention, FIG. 5 is a perspective view showing the grid, and FIG. 6 is a sectional view of a portion corresponding to the line VI--Vl in FIG. 3. In the figure, 1 is a grid, la and lb are protrusions for caulking, and 1C
is a groove, ld and If are leg portions, and 2 and 3 are side plates. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

(1) A plurality of horseshoe-shaped grids having asymmetrical caulking protrusions on both sides, opening grooves on the arching side, and legs on the left and right sides of the grooves are installed radially between the side plates. The arc extinguishing device is characterized in that the left and right legs of the grid are long and short, and the long and short legs are alternately arranged so that they are adjacent to each other.

(2) The arc extinguishing device according to claim 1, wherein the long and short legs have different widths.