JPS58148833U - Multi-stage push button switch - Google Patents

Abstract

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

Description

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view showing one embodiment of this invention, Fig. 2 is a perspective view showing the assembled state of Fig. 1, Fig. 3 is a sectional view taken along ■-IV sectional view of Figure 2, No. 5
This figure is a plan view of the insulating case portion shown in FIG. 1, and FIG. 6 is a wiring diagram illustrating the conduction state of the contacts. 1... Insulating case, 2... First fixed contact, 3...
first terminal, 4... second fixed contact, 5... second terminal,
6...Third fixed contact, 7...Third terminal, 8...Common contact, 9..., common terminal, 10...First
Movable contact piece, 13...Second movable contact piece, first movable contact, 1
4... Second movable contact, 15... Third movable contact, 16
... Stem (pressing member), 1a... Bottom surface of recess, 13
a...notch. 5 5 Figure 2 Figure 3

Claims (2)

[Scope of utility model registration request] (1) A first terminal connected to a first fixed contact provided at the center of a bottom surface of a recess formed in an insulating case is extended outside the insulating case, and the first terminal is located at a distance from the first fixed contact. A second terminal connected to a second fixed contact provided in the case is connected to the first terminal.
A third terminal that extends outside the insulating case apart from the terminal and is connected to a third fixed contact provided in the insulating case at a position separated from the first and second fixed contacts is attached to the first and second terminals. A common terminal extends outside the insulating case and is connected to a common contact provided in the insulating case at a position apart from the first, second, and third fixed contacts. A first movable contact is provided which extends outside the insulating case and is spaced apart from the third terminal, and which can freely connect and detach from the first fixed contact and is spaced apart from the first fixed contact when not in use. , a first movable contact piece made of a flexible conductive material is disposed in constant contact with the second fixed contact, and the first movable contact piece and the third fixed contact can be freely connected to and separated from each other, and when not in use, the first movable contact piece is made of a flexible conductive material. A first fixed contact, a third fixed contact, and second and third movable contacts are provided at the middle part and the tip of the free end, respectively, and are spaced apart from the first movable contact piece, and are fixed to the common contact. a second movable contact piece made of a flexible conductive material and having a fixed end portion that
A pressing member that presses the movable contact piece during use is provided, and conduction is established between the third movable contact and the third fixed contact at the first pressing position of the pressing member, and a second stage following the first pressing position is provided. Constructed to establish electrical conduction between the second movable contact and the second fixed contact at the pushed-in position, and to establish electrical continuity between the first movable contact and the first fixed contact at the third pushed-in position following the second pushed-in position. A multi-stage push button switch. (2) Claims for registration of a utility model characterized in that the intermediate portion of the free end of the second movable contact piece is formed between a pair of substantially flat notches provided at a position between the skewers of the free end. The multi-stage push button switch described in item 1.