| 摘要 |
<p>The present invention discloses a frame member (11) especially the profile of the frame member comprising of at least one trapezoidal cross sectional shape forming the top of the frame member (11); plurality of folds (1,2,3,4 and 7,8,9,10) at intermediate point on one or both webs of said trapezoidal cross section of the frame member (11); at least one longitudinal stiffener (3,4 or 7,8) provided at intermediate point on one or both webs of said trapezoidal cross section of the frame member (11) wherein said longitudinal stiffener (3,4 or 7,8) forms a seat for the panels (14); longitudinal base (1, 2 and 9, 10) of said folds are provided with plurality of recess for fastening said frame member (11) to main frame (13) and; clamps (15) optionally clamped at top portion (5,6) of the frame member (11).</p> |
