PUSH SWITCH

Japanese Patent JP2017157382

A

PROBLEM TO BE SOLVED: To provide a push switch which increases the quantity of light illuminating a central part of a surface that is pressed by a user, by improving light utilization efficiency, is small-sized and improves yield.SOLUTION: A push switch comprises: a substrate with which multiple stationary contacts are formed on an upper surface; a movable member which is mounted on the substrate, has a protrusively curved shape, is deformed by being pressed and generates a conduction between the multiple stationary contacts; a first pressing member which has a pressing surface for pressing the movable member at a lower surface side and has a partially notched substantially annular upper protrusion at an upper surface side; a frame body which surrounds a central part while leaving a connection part with a peripheral edge part, has a substantially annular through-hole into which the upper protrusion is inserted, is disposed at an upper side of the movable member, is fixed to the substrate so as to be prevented from moving during pressing and of which the connection part is projected upwards; a light-emitting element which is packaged on the central part of the frame body; and a light-transmissive second pressing member which presses the first pressing member while receiving a pressure by a user.SELECTED DRAWING: Figure 7

ISODA HIROTO

JP2016039054A

September 07, 2017

March 01, 2016

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CITIZEN ELECTRONICS
CITIZEN WATCH CO LTD

H01H13/02; H01H9/16; H01H9/18; H01H13/52

Atsushi Aoki
Jun Tsuruta
Tomohiro Minamiyama
Koichi Itsubo
Ryoichi Hagiwara

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