| 摘要 |
A sheet fixing device in a vinyl house as a greenhouse is disclosed which not only can prevent wrinkling and rupture of a sheet but also can remarkably improve the efficiency of the work for installing and removing a pressing frame. The sheet fixing device comprises an elongated support frame 1 having a narrow opening portion, a pressing frame 3 fitted in the elongated support frame 1 to hold a sheet 2 grippingly in cooperation with the elongated support frame, and an urging member 6 fitted in the pressing frame 3 to urge the pressing frame against an inner wall of the elongated support frame 1. The pressing frame 3 is prevented from being bent or warped. |
