JPS58115042U - Aerial disconnection - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

Fig. 1 is an example of an air breaker according to this invention, a side sectional view showing -, Fig. 2 is an explanatory diagram of the nozzle shaft, Fig. 3 is a schematic configuration diagram of the ON and OFF operation parts, Fig. 4 is an explanatory diagram of the contact closed standby maintenance mechanism, Fig. 5 is an explanatory diagram of the contact open maintenance mechanism, Fig. 6 is a diagram of the operating state during ON operation, Fig. 7
The figure shows the operating state during OFF operation, Figure 8 is an exploded perspective view of the arc extinguishing device, Figure 9 is a perspective view of the plate, Figure 10 is a perspective view of the arc extinguishing plate, and Figure 11 is the arc extinguishing plate. Developed view, Figure 12 A~
C is an explanatory diagram of the operation of the charge lever. 51.56... Contact, 501... Arc extinguishing plate, 529... Extension piece. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] In an air breaker that has a pair of contacts that move toward and away from each other, and a plurality of arc extinguishing plates that are arranged in parallel in the direction of contact and separation, corresponding to the first pair of contacts, the most on the movable contact side A feature is that an extending piece is provided extending from the outer end arc extinguishing plate to the closing side of the movable contact, and an extending piece is provided extending from the outermost arc extinguishing plate on the fixed contact side to the vicinity of the fixed contact. Air breaker.