Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1985-04-26
1987-02-24
Lieberman, Eli
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343882, 74816, H01Q 102, H01Q 112
Patent
active
046461000
ABSTRACT:
An improved latch assembly which operates with a phased array radar antenna to fixedly retain the radar antenna in any one of several predetermined positions. The latch assembly comprises an elongated body member having a leading end section tapered to interfit into the detent means without jamming, a wedging member having a tapered wedge-like configuration which slidably interfits with the gradually tapered ledge of the body member, and a controllable spring-loaded actuating means operable to move the elongated body member and the wedge member into locking engagement with a predetermined detent and then to move the wedging member an additional small distance toward the predetermined detent, this causes the wedging member to be forced laterally an amount sufficient to contact the sides of the housing to effect a controlled wedging of the latch assembly in the housing to prevent any rotation of the radar antenna because of undesired clearances between the elongated body member and the housing.
REFERENCES:
patent: 390190 (1888-09-01), Richards
patent: 3908484 (1975-09-01), Degen
patent: 4050337 (1977-09-01), Allemand
patent: 4109552 (1978-08-01), Imoberdorf
Lieberman Eli
Sutcliff W. G.
Westinghouse Electric Corp.
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