JPH03106633U

JPH03106633U -

Info

Publication number: JPH03106633U
Application number: JP1545190U
Authority: JP
Priority date: 1990-02-19
Filing date: 1990-02-19
Publication date: 1991-11-05

Description

[Brief explanation of drawings]

第１図Ａはこの考案の実施例に用いるキートツ
プ３の平面図、第１図Ｂはこの考案の実施例を示
す縦断面図、第２図はこの考案の他の実施例を示
す縦断面図、第３図Ａは従来の押釦スイツチの縦
断面図、第３図Ｂは第３図ＡのＡ−Ａ断面図であ
る。 Fig. 1A is a plan view of a key top 3 used in an embodiment of this invention, Fig. 1B is a longitudinal sectional view showing an embodiment of this invention, and Fig. 2 is a longitudinal sectional view showing another embodiment of this invention. , FIG. 3A is a longitudinal sectional view of a conventional push button switch, and FIG. 3B is a sectional view taken along line AA in FIG. 3A.

Claims

[Claims for Utility Model Registration] (1) An illuminated push button switch consisting of a housing, a key top, a membrane switch, a bottom plate, and a surface light emitter, wherein the key top is made of transparent rubber and the membrane switch A plate-shaped base, a top integrally formed from the center of the upper surface of the base, and a thin wall integrally protruded from the side surface of the base in a diagonally downward direction and spread outward. Department and
A frame body is integrally formed to be connected to the outer peripheral edge of the thin part, and is formed below the outer peripheral edge so as to surround the outer peripheral edge; and a plurality of actuating protrusions located a predetermined distance above the bottom surface of the frame, and the membrane switch has two transparent flexible printed boards laminated together via a transparent spacer. The housing is made of synthetic resin and has a thin box shape with an opening at the bottom. The top plate is formed with a window hole through which the top of the key top projects, the bottom plate is made of metal, and the membrane switch and key top are mounted on the top surface of the bottom plate.
It is attached to the housing so as to close the opening thereof, and has an illumination window hole at a position opposite to the window hole of the hanging, and the surface light emitter is formed in a thin plate shape and is attached to the lower surface of the bottom plate. An illuminated push button switch, characterized in that the key tops are illuminated through the illumination window hole and the membrane switch. (2) An illuminated push button switch consisting of a housing, a key top, a bottom plate, and a surface light emitter, the key top being made of transparent rubber, placed on the bottom plate, and having a plate shape. a base, a top integrally formed to protrude from the center of the upper surface of the base, a thin wall part integrally formed to protrude obliquely downward from the side surface of the base, and a peripheral part of the bottom of the base. The housing is made of synthetic resin and is formed in the shape of a thin box with an opening at the bottom. A window hole is formed in the top plate of the housing to allow the top of the key top to protrude, and the bottom plate is composed of a printed circuit board, the above-mentioned key top is mounted at a predetermined position on the upper surface thereof, and the above-mentioned key top is mounted to the above-mentioned housing so as to close the opening, and an illumination window hole is formed at a position facing the window hole of the above-mentioned housing. , a fixed contact is formed at a position facing the movable contact formed on the base, and the surface light emitting body is formed in a thin plate shape and is attached to the lower surface of the bottom plate, and the plurality of light emitting bodies pass through the illumination window hole. An illuminated push button switch characterized by illuminating the key top.