Communications: radio wave antennas – Antennas – Rod type
Patent
1979-05-04
1984-01-17
Moore, David K.
Communications: radio wave antennas
Antennas
Rod type
343889, 343883, H01Q 110
Patent
active
044266502
ABSTRACT:
Telescoping tubes capable of being extended for use as a mast are extendable or retractable by way of a tape having one end connected to the smallest tube and its other end contained in a spool. A tape guide is provided in the tube having the largest diameter. The tape guide is rectangular in section. A pair of guide rollers are provided adjacent the tape guide. Each guide roller is in rolling contact with a side edge of the tape at a location between the tape guide and means for winding or unwinding the tape.
REFERENCES:
patent: 2781668 (1957-02-01), Berta
patent: 3893125 (1975-07-01), De Bellomayre
American Electronic Laboratories, Inc.
Moore David K.
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