JPS6212241U - - Google Patents

Description

[Brief explanation of the drawing]

Fig. 1 is a sectional view showing an embodiment of this invention, Fig. 2 is a perspective view of the fixed frame, Fig. 3 is a perspective view of the trip bar, Fig. 4 is a sectional view of - in Fig. 3, and Fig. 5 is a sectional view of the trip bar.
The figure is a sectional view showing the conventional one, and FIG. 6 is a diagram showing the main part of FIG. 5. In the figure, 1 is a housing, 1a is a base, 6 is a trip bar, 9 is a bimetal, 10 is a fixed frame, 1
0a and 10a are both side plates, 11 and 11 are both bar support holes, 12 and 12 are both openings, and 13 and 13 are both cut grooves. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

[Claims for Utility Model Registration] (1) In a circuit switch or disconnector having a trip bar operated by a bimetal or the like, a fixed frame having opposing side plates and fixed to a housing;
Bar support holes are provided in opposite sides of the both side plates of the fixed frame, and bar support holes are provided in opposite sides of the both side plates so that the trip bars can be inserted into the bar support holes from their respective non-supported sides. an opening having an opening width smaller than the outer diameter of the trip bar, and a cut groove for passing through the opening provided on the outer peripheral surface of the trip bar so that the trip bar can be inserted into the bar support holes through both openings. A circuit disconnector characterized by comprising: (2) The circuit breaker according to claim 1, wherein the cut grooves are opposed cut grooves cut into the outer peripheral surface of the trip bar from both sides toward the center.