| 摘要 |
A screen enclosure apparatus, for use in screened windows, porches, doors and other screened-in builiding structures, capable of controllably breaking away upon excessive impact of resultant wind pressures on the frame of the apparatus. A frame structure having a channel running along the frame's length, serves to releasably or frangibly receive spline material which displaces or fractures at a predetermined resultant pressure. The spline serves to releasably secure a screen sheet, within the channel of the frame itself, so as to preclude damage which would otherwise occur not only to the screen sheet, but also to the supporting frame structures, when such high wind pressures are exerted thereon-to reduce the structural rigidity requirements for such frames. Venting members are also utilized to minimize contact between the spline and potentially corrosive elements which may be prevalent in the channel of the frame, and are further used to reduce the likelihood of certain kinds of corrosion from actually occurring within the channel, as well as adhesion of the spline to areas of corrosion.
|
