Communications: radio wave antennas – Antennas – With housing or protective covering
Patent
1975-10-15
1976-09-21
Dixon, Harold A.
Communications: radio wave antennas
Antennas
With housing or protective covering
H01Q 142
Patent
active
039822508
ABSTRACT:
A retractable radome assembly is comprised of a number of hollow casings having successively smaller transverse dimensions, disposed to permit nesting of a smaller dimension casing within a next adjacent larger dimension casing in a vacuum sealing relationship and in such a manner as to permit relative mobility of adjacent casings in a coaxial telescoping manner from a fully retracted to a fully extended coaxial position. The casing sections are maintained in the fully extended position through forces created by a differential pressure between the outside atmosphere and a vacuum atmosphere provided within the casing wall structure, the radome being maintained in the fully retracted position through the use of mechanical retracting assembly applied in the absence of a vacuum atmosphere within the wall structure.
Giannatto Carl J.
Watkin Theodore
Chiantera Dominic J.
Dixon Harold A.
United Technologies Corporation
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