| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a waterproof switch which reduces a force required during rotary operation and achieves good waterproofness.SOLUTION: A waterproof switch 1 includes: a knob 3; a switch unit 4 connected with the knob 3; a case 5 incorporating the switch unit 4; and a packing 6 provided between the knob 3 and the case 5. The packing 6 includes: an annular base part 61; and two tongue pieces 62, 63 which are formed protruding from a side surface of the base part 61. The base part 61 is fixed to the case 5, and the two tongue pieces 62, 63 contact with the knob 3. The first tongue piece 62 of the two tongue pieces 62, 63 faces to the upper side and the second tongue piece 63 faces to the lower side.</p> |
