| 摘要 |
<p>GREENHOUSE STRUCTURE ELEMENT by JOHN A. POUND A device (10,11) for holding flexible sheet material (40,41) to a structure ~50) including a fixed element (10) that is attachable to the structure (50) and has at one end an elongated cavity (12) and at the other end an intrinsic lock mechanism (20) and a locking device (11) having at one end an arm (26) for holding sheet material (40,41) against the interior portion (42) of the cavity and for bearing against the open edge (43) of the cavity, the locking element (11) also having the second half (32) of an intrinsic lock device (11) that is adapted (33) to snap (21~ into the intrinsic lock device half (20) on the fixed element (10).</p> |
