Static structures (e.g. – buildings) – Mechanism operated relatively movable shaft assembly
Patent
1982-04-30
1984-10-09
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Mechanism operated relatively movable shaft assembly
52646, 52645, 343881, 343915, E04H 1234
Patent
active
044753233
ABSTRACT:
A box truss hoop which is defined by circumferentially adjacent collapsible boxes. The hoop is expandable radially from a compact, folded configuration to a deployed hoop configuration. Each of the boxes includes collapsible inner and outer frames, connecting side members extending between the inner and outer frames and diagonal braces. When employed as an antenna, the box truss hoop includes a shaped reflective surface extending across the hoop and a feed located at the focus of the reflective surface.
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Aviation Week, vol. 111, No. 19, Nov. 5, 1979, p. 57.
Martin Marietta Report No. 78-52411-01, Dec. 1978, "Deployable Box Truss Space Structure", Copies Submitted to USAF in 1979, Further Distribution by USAF Undetermined.
Schwartzberg Fred R.
Tobey William H.
Chin Gay
DeArment Phillip L.
Hogan Patrick M.
Martin Marietta Corporation
Ridgill, Jr. James L.
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