| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide the subject support structure in which a suction grill is rotatably supported and easily demounted. SOLUTION: A hinge 9 is positioned with a positioning part and is mounted on a surface 1a with a mount part, while upon a suction hole being closed with a suction grill 7 one side of the suction grill 7 is supported on a rotary part 9b by engaging a rotary piece 7a with a rotary part 9b and engaging demount piece 7b with a demount part 9c. Upon the suction hole being opened the disengage piece 7b is disengaged from the disengage part 9c and is rotated, and upon the suction grill being removed the hinge is separated from a spaced part d.</p> |
