| 摘要 |
PROBLEM TO BE SOLVED: To provide seesaw switch device having a center-push function with an excellent space factor and easy to miniaturize while keeping the reliability with less motion errors. SOLUTION: Fixed ends of plural elastic arms 2 are connected to the center of an operation body 1, and a clearance C is secured between a press projection 2a of each elastic arm 2 and the back surface of the operation body 1. Therefore, a switch element beneath the clearance C does not contact by error even if the peripheral part of the operation unit 1 is lowered as much as the clearance C during the center-push operation when the center of the operation body 1 is pushed down. In addition, as the peripheral part of the operation body 1 is supported over a support member 4 by way of an attaching part 1d and the press projection 2a of each elastic arm 2 can be put on the corresponding switch element, the support member have not to be separately disposed outside the operation body 1 or the elastic arm 2 for supporting them.
|
