US Patent 11450941 Inflatable support structures and related systems

Inflatable support structures and related systems are disclosed. An example antenna system includes a mast configured to support an antenna member. The mast includes a strength member including an inner space that extends along an axis. The strength member is changeable between a first state in which the strength member is rollable along the axis and a second state in which the strength member is rigid along the axis. The mast also includes a sleeve arranged along an outer portion of the strength member. The mast also includes a bladder disposed in the inner space of the strength member and configured to receive a fluid. The first state and the second state of the strength member are based on a fluid pressure in the bladder.