| 摘要 |
PROBLEM TO BE SOLVED: To provide a switch device with a miniaturizable operation knob, and excelling in attachment workability of the operation knob. SOLUTION: This switch device is provided with: a front panel 1; a circuit board 2; a pushing type switch 3; the operation knob 4 made of a synthetic resin; and a case body 5; and includes a reception part 55 integrally having a spring part 45 restoring the operation knob 4 to a position before the operation by termination of the pushing operation of the operation knob 4, and receiving the spring part 45 when the case body 5 pushingly operates the operation knob 4. In the switch device, the spring part 45 includes a flange part having a pressing part 451 pressing the reception part 55 when the spring part 45 pushingly operates the operation knob 4, and an elastic deformation part 452 permitting movement of the operation knob 4 in a pushing direction A in a pressed state of the reception part 55 by the pressing part 451, and radially expanding based on the center axis C of the operation knob 3. COPYRIGHT: (C)2009,JPO&INPIT
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