Mechanism for extending and contracting antenna

Details Mechanism for extending and contracting antenna Mechanism for extending and contracting antenna

1985-05-15

1987-05-12

Frankfort, Charles

Communications: radio wave antennas

Antennas

Rod type

343714, H01Q 110

Patent

active

046654062

ABSTRACT:
An antenna system is provided with a plurality of telescoped antenna sections which are extended and contracted by an operating wire connected to the uppermost antenna section. The wire is made of a relatively rigid material and has a width of 1.5.about.2.2 times its thickness. There is also provided a clutch for selectively operating the antenna by a motor or the human hand.

REFERENCES:
patent: 2420772 (1947-05-01), Dalton
patent: 2617933 (1952-11-01), Noel
patent: 2623175 (1952-12-01), Finke
patent: 2695957 (1954-11-01), Cone
patent: 2797413 (1957-06-01), Cone
patent: 2834012 (1958-05-01), Allen
patent: 3146450 (1964-08-01), Dooner
patent: 3273813 (1966-09-01), George
patent: 3728906 (1973-04-01), Takaki et al.
patent: 4181268 (1980-01-01), Carolus et al.
patent: 4190841 (1980-02-01), Harada
patent: 4190842 (1980-02-01), Carolus et al.
patent: 4426650 (1984-01-01), Korsen
patent: 4542383 (1985-09-01), Cusey et al.

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