| 摘要 |
An electronic device according to the present invention includes a casing, a containing portion that is depressed in the casing to contain an electronic component, a lid body detachably mounted on the containing portion to water-tightly close the containing portion, and a lock operation piece that locks the lid body in the casing by rotation. The lock operation piece has a shaft portion projected toward the casing, and in an outer surface of the casing, a bottomed receiving portion into which the shaft portion is fitted is depressed. |
