| 摘要 |
A switch assembly having a switch contact section positioned with high precision by forming positioning portions for the switch contact section on a lower case 28. The lower case 28 is coupled with an upper case 2. Knobs 3, 4, 5, 6, 7 and 8 are pivotally supported on the upper case 2, respectively, and have operation rods 3b, 4c, 5c, 6c, 7c, 8a projected downwardly. The switch contact sections 11, 16, 19, 22, 25 and 26 have operation shafts 11a, 16a, 19a, 22a, 25a and 26a to be contacted with operation rods 3b, 4c, 6c, 7c and 8a, respectively. The lower case 28 is provided with positioning portions 28b, 28c, 28d, 28e, 28f, 28g and 28i for positioning the switch contact sections 11, 16, 19, 22, 25 and 26 at predetermined positions, respectively.
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