Communications: radio wave antennas – Antennas – With means for moving directive antenna for scanning,...
Patent
1986-02-18
1988-11-08
Sikes, William L.
Communications: radio wave antennas
Antennas
With means for moving directive antenna for scanning,...
343882, H01Q 112
Patent
active
047836628
ABSTRACT:
A polar mount for a satellite dish antenna has the flattened ends of three metal tubes bolted together to form a triangular base having three corners. Three tubular leg members have their corresponding lower flattened ends joined to the respective corners of the base. One leg member constitutes the polar axis shaft. The other two leg members are telescopic and adjustable in length. The upper ends of the two telescopic leg members and the upper end of the polar axis shaft are connected at a common point to create a pyramid-shaped structure. Brackets having bearings mounted to the outside back of the dish and the polar axis shaft extends through these bearings along an axis aligned with a diameter of the dish. The polar axis shaft is at an angle with respect to horizontal corresponding to the degrees of latitude at the antenna location. A tangent to the dish axis is at a declination offset angle relative to the polar axis shaft. The dish rotates on the polar axis shaft through a look angle. The latitude angle is obtainable by bending the polar axis tubular shaft at its flattened end while the other two legs extend or contract. The shaft is directable exactly to true north by shifting said common connection laterally which is accommodated by one of said leg members extending and the other contracting.
REFERENCES:
patent: 3179211 (1965-04-01), Dunlavy
patent: 3945015 (1976-03-01), Gueguen
patent: 4086599 (1978-04-01), Vander Linden
patent: 4232320 (1980-11-01), Savalle
patent: 4379297 (1983-04-01), Chevallier
Dubiel Jerome
Rowland Robert G.
Szabo Michael
Wirth, Jr. Gustav W.
Delta Satellite Corportion
Sikes William L.
Wimer Michael C.
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