To provide an operation switch with reduction of the number of parts and thickness and lead-freeing realized.
The operation panel switch is composed of three kinds of components of a base plate 20, operation buttons 30, and a front panel 40. A circuit pattern is printed on the surface of the base plate 20. The operation button 30 is composed of a base resin, transparent letter/figure parts 33 indicated on an operating surface of the base resin, and an elastic body for restoration set at a rear face of the base resin. The front panel 40 having operation button windows 42 in which the operation buttons 30 are fitted, is put on the base plate 20 in a state that the operation buttons 30 are fitted in the operation button windows 42. Accordingly, the operation buttons 30 are to be held by cooperation of the base plate 20 and the front panel 40.
| JPH05166437 | KEYBOARD |
| JP2009206021 | OPERATION BUTTON AND PRESSING OPERATION DEVICE HAVING THE SAME |
ANDO YASUYUKI
NAKAJIMA KAZUHIKO
TOYOTA MOTOR CORP
Jun Ishida