Patent ID: 6225965
Filing Date: 2001-05-01
Classification: H01Q

Abstract:
In a deployable perimeter truss reflector having a deployed condition and a stowed condition and containing a collapsible perimeter truss, a reflective surface of pliable reflective material and a catenary system for supporting said reflective surface on said perimeter truss, in which said catenary system includes:a hub;a first plurality of catenary lines connected to and radially extending from said hub to said perimeter truss, said catenary lines of said first plurality being angularly spaced from one another about said hub;a second plurality of catenary lines connected to and radially extending from said hub to said perimeter truss, said catenary lines of said second plurality being angularly spaced from one another about said hub;said second plurality of catenary lines being positioned underlying said first plurality of catenary lines;and each of said catenary lines in said second plurality of catenary lines being angularly aligned with a respective catenary line of said first plurality of catenary lines, the improvement wherein said hub comprises:a cylindrical surface for wrapping up spirally said first plurality of catenary lines, said second plurality of catenary lines and said pliable reflective material responsive to placing said perimeter truss reflector in the stowed condition.