Aeronautics and astronautics – Spacecraft – Spacecraft formation – orbit – or interplanetary path
Patent
1997-07-07
1999-12-07
Barefoot, Galen L.
Aeronautics and astronautics
Spacecraft
Spacecraft formation, orbit, or interplanetary path
244172, B64G 110
Patent
active
059969407
ABSTRACT:
An apparatus for deploying a satellite appendage such as an umbrella-like antenna reflector structure is provided. The umbrella-like antenna reflector structure includes a plurality of rib members movable from a stowed configuration to a deployed configuration. The deployment apparatus comprises a deployment tube and a central hub pivotally attached to the plurality of rib members and slidably attached to the deployment tube. The deployment tube is adapted to move along its major axis with respect to the central hub. The deployment apparatus further includes a flexible member connecting the central hub to the deployment tube and a mechanism for tensioning the flexible member. The flexible member can be used to lock the deployment tube, which in turn can be used to lock the umbrella-like structure, in a stowed configuration. Alternatively or additionally, a second flexible member can be used to deploy the deployment tube, which in turn can be used to deploy the umbrella-like structure.
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Bassily Samir F.
McVey Ray E.
Barefoot Galen L.
Grunebach Georgann S.
Hughes Electronics Corporation
Sales M. W.
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