| 摘要 |
PURPOSE: To manufacture the whole of a push-button switch device for time recorder from a less number of components than before at a low cost, to constitut the whole device so that it can be assembled to be one body, and to provide a function for securely returning the pressed push button to its original position and prevent the push button from coming out during the portage. CONSTITUTION: On one side of the push button 2 which is fitted in the fitting hole of a holder 1T, a shaft-shaped fulcrum part 2d is provided and this fulcrum part 2d is supported rotatably on a support part formed on both sides of the fitting hole, and when the push button 2 is pressed, the whole push button rotates around the fulcrum part 2d, an LED 4 illuminates by turning on a switch 3 mounted on a printed circuit board 1P with the lower end depression part 2b to lighten the head of the push button 2, and when the push button 2 is released from being pressed, an elastic plate 9 pushes the push button 2 back to its original position. |
