MOVABLE CONTACT UNIT FOR SWITCH, AND SWITCH DEVICE USING THE SAME

摘要

PROBLEM TO BE SOLVED: To provide a movable contact unit for a switch capable of having suitable assembling operability and hardly leading lighting fluctuation and lighting on a non-desired location and preventing a malfunction of a switching element even though edge push of an operation key is carried out, and to provide a switch device using the such movable contact unit for a switch.;SOLUTION: Upon mounting an LED 2 as a light source on a substrate 1, a light-emitting section 2a of the LED 2 is faced to a part (incident section 6c) of a side end face 6a of a flexible light guide plate 6, and the light introduced from the LED 2 into the flexible light guide plate 6 is projected on the bottom surface of the operation key 3. The flexible light guide plate 6 is laminated on a flexible sheet 10 through an adhesion prevention sheet 12. Movable contacts 9 are maintained at a plurality of locations on a lower face of the flexible sheet 10, and each movable contact 9 is faced to a fixed contact 7 on the substrate 1 in a contact and separating state. A plurality of projections 10a capable of individually pushing the center of each movable contact 9 are arranged at a smooth upper face of the flexible sheet 10, and the operation key 3 pushes the corresponding movable contact 9 through the projection 10a located below.;COPYRIGHT: (C)2009,JPO&INPIT