Foldable reflector

Details Foldable reflector Foldable reflector

1983-04-26

1985-07-16

Henry, Jon W.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

343915, 350626, G01B 510, H01Q 1520

Patent

active

045292779

ABSTRACT:
A solid surface reflector for being stowed in a constrained volume on a spacecraft comprises a central portion 10 with a series of peripheral elements 11 and 11' hingedly attached around the periphery thereof for folding movement about axes 14, 14' tangential to a circle centered on the center X of the reflector. Those elements referenced 11 have axes 14 spaced radially further from the center of the reflector than the axes 14' of elements 11' so that from a stowed condition with all the elements 11, 11' overlying central portion 10, firstly elements 11 may be unfolded and then elements 11' may be unfolded, without fouling, to define a rigid, generally smooth reflector surface wherein the gaps between adjacent elements are not significant.

REFERENCES:
patent: 3699576 (1972-10-01), Hoyer
patent: 3715760 (1973-02-01), Palmer
patent: 4130106 (1978-12-01), Clevett et al.
patent: 4257404 (1981-03-01), Steinberg
patent: 4315265 (1982-02-01), Palmer et al.

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