Patent ID: 7105760

Claim:
An operation button attachment structure comprising: a button member having an operation button portion operated by a user, at least a part of the operation button portion having translucency; a light emitting device for emitting light to prompt the operation of the operation button portion, the light emitting device being arranged behind the operation button portion of the button member; and a switch which is arranged behind the button member and turned on or off by the operation of the operation button portion, wherein a button support member which rotatably supports the button member at its one end remote from the operation button portion is further provided; the button support member has a shaft portion for pivotally supporting an end portion of the button member and a plate spring portion which contacts with a rear face of the button member between one end of the button member pivotally supported by the shaft portion and the operation button portion and presses the button member; the plate spring portion has a button contact portion which contacts with the button member at its front end; the switch is arranged behind the button contact portion; and when the operation button portion is operated against a pressing force of the plate spring portion, the switch is turned on or off through the button contact portion and the shaft portion, the plate spring portion, the button contact portion, the switch and the light emitting device are arranged so as to overlap the button member.