| 摘要 |
<p>A device body (2) is provided with a cam block (10). The cam block (10) is provided with a first sloped surface (12) sloped in the left and right directions, and also with a first plate member (31) consisting of a metallic plate material. The first plate member (31) is disposed so that the first plate section (31a) thereof is in contact with the first sloped surface (12). A third plate section (31c) is interconnected with the right lower end of the first plate member (31) with a circular arc section (31e) located therebetween. The third plate section (31c) can be elastically deformed in the vertical direction. An opening/closing member (6) is provided with a first contact section (51). The first contact section (51) is pressed downward by the third plate section (31c), and as a result, the opening/closing member (6) is pressed downward. The downwardly pressed opening/closing member (6) is pressed against the bottom wall (2d) of the device body (2) with a seal member (61) therebetween.</p> |
