| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a notification device which allows only a user who recognizes a specific detachment method to easily detach a cover from a housing.SOLUTION: When an engagement pawl (13) is fitted to an engagement hole (23), and even when a side wall (11) is elastically deformed and an engagement state between a first pawl (13a) and a first pawl engagement part (24) is released, at that time, a second pawl (13b) of the engagement pawl (13) and a second pawl engagement part (25) are engaged, so that at the stage, a cover (1) is not detached from a housing (2). When the cover (1) is rotated in the state, the engagement state between the second pawl (13b) and the second pawl engagement part (25) is released and the cover is allowed to be detached from the housing. Therefore, detachment of the cover (1) from the housing (2) by a user who does not recognize a constant detachment procedure, can be prevented.</p> |
