| 摘要 |
A screen (38) is mounted on a supporting seat portion of a screen stay (50). A clip member (63) is mounted on the supporting seat portion. The clip member (63) includes a front plate portion, a rear plate portion, and a collar member (80) that is mounted so as to penetrate through the front plate portion and the rear plate portion. The collar member (80) includes a flange portion, a collar main unit, a bolt hole through which a bolt passes in the collar main unit and the flange portion, and a nut buried in the collar main unit at an end portion of the bolt hole. When the bolt is screwed into the nut, the screen (38) is clamped onto the supporting seat portion. However, this clamping can be overcome by application of the predetermined load, allowing the screen to be moved downwardly.
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