Folded rib truss structure for reflector antenna with zero over stretch

An antenna reflector system comprising:

• a reflector;
• a support structure comprising:
• a multi-component hub assembly configured to provide a force to the support structure;
• a hub tower extending from the hub assembly and including a pivot ring;
• a plurality of drive strut assemblies, each drive strut assembly comprising an inner drive strut, a drive strut hinge assembly, and an outer drive strut, wherein the inner drive strut is pivotably connected to the outer drive strut by the drive strut hinge assembly, and each inner drive strut is connected to the hub assembly;
• and
• a plurality of rib assemblies, each rib assembly including an inner rib, an outer rib, and a rib hinge assembly, wherein the inner rib of each rib assembly is pivotably connected to the pivot ring and each rib hinge assembly comprises multiple pieces and the rib hinge assembly has seven articulating connections;
• wherein the hub assembly rotates the inner drive strut which in response rotates the outer drive strut which in response applies a force to the rib hinge assembly which in response rotates the outer rib with respect to the inner rib which expands or collapses the support structure and the reflector.

An antenna reflector system comprising:

• a mesh reflector;
• a support structure comprising:
• a hub assembly comprising a rotatable screw, a carrier mounted on and translatable with respect to the screw, a plurality of pull rods pivotably connected to the carrier, each pull rod pivotably connected to a pivot link;
• a hub tower extending from the hub assembly and including a pivot ring;
• a plurality of drive strut assemblies, each drive strut assembly comprising an inner drive strut, a drive strut hinge assembly, and an outer drive strut, wherein the inner drive strut is pivotably connected to the outer drive strut by the drive strut hinge assembly, and each inner drive strut is connected to the pivot link of the hub assembly;
• and
• a plurality of rib assemblies, each rib assembly including an inner rib, an outer rib, and a rib hinge assembly, wherein the each rib hinge assembly comprises multiple pieces and the rib hinge assembly has seven articulating connections,
• wherein the inner rib of each rib assembly is pivotably connected to the pivot ring and the rib hinge assembly includes an outer drive strut fitting connected to the outer drive strut, with the outer drive strut fitting having two of the articulating connections, and
• wherein the pivot link of the hub assembly rotates the inner drive strut which in response rotates the outer drive strut which in response applies a force to the rib hinge assembly which in response rotates the outer rib with respect to the inner rib which expands or collapses the antenna reflector.