structural Design 



The structural design of the Saran screen cage is well adapted to any cage dimen- 

 sion required. The cage has withstood wind velocities as high as 60 miles per hour 

 during its use for three seasons. 



The framework supporting the cage is constructed of f-inch steel pipe attached 

 with slip-on fittings (fig. 4). These fittings connect the pipe to form a 10-foot gridwork 

 7 feet high. The framework is stabilized with internal guy wires (fig. 5) anchored with 

 f-inch steel pipes 28 to 30 inches long that have 3/8-inch steel hooks welded on the side 

 of one end to hold the ground rail firm. The stakes are driven at a slight angle to 

 anchor the ground rail adjacent to each supporting post, and two are used at each corner: 

 A completely stabilized frame eliminates the need for guys being. attached to the screen, 

 a common practice that adds objectionable stress on the fabric. 



C 



E 



Figure 4. — Slip- on fittings for 3/4- inch steel pipe for erection of large-cage frame: 

 (A) No. 5 tees for posts to outside ground rail; (B) No. 9 side outlet elbows for top and 

 bottom corners; (C) No. 11 side outlet tees for top of outside posts; (D)_No. 13 side 

 outlet crosses for top of inside posts; (E) No. 47 rectangular base flanges for bottom 

 of all inside posts. 



