Arrangement for holding a plurality of vertically superimposed a

Details Arrangement for holding a plurality of vertically superimposed a Arrangement for holding a plurality of vertically superimposed a

1982-02-12

1985-01-01

Lieberman, Eli

Communications: radio wave antennas

Antennas

With means for moving directive antenna for scanning,...

343882, H01Q 302, H01Q 112

Patent

active

044918461

ABSTRACT:
An arrangement for holding a plurality of superimposed independently turnable devices on the upper end of a vertical mast, especially antennas on an antenna mast, in which a separate rotary drive is coordinated with each of the devices, in which all the rotary drives are arranged coaxial with the mast and each including a hollow drive shaft and a stationary part, wherein the stationary part of a first rotary drive adjacent the upper end of the mast is releasably connected to one end to the latter and at the other end to a coaxial connecting tube, whereas the drive shaft of this first rotary drive is releasably connected to a tubular carrier turnably and coaxially mounted on the connecting tube and carrying one of the devices, and in which the stationary part of each following rotary drive is releasably connected at one end to the preceding connecting tube and at the other end to a further connecting tube and the drive shaft of each following rotary drive is releasably connected to a tubular carrier turnable and coaxially mounted on the further connecting tube and carrying a further device.

REFERENCES:
patent: 2981834 (1961-04-01), Holloway et al.
patent: 3146452 (1964-08-01), Rose
patent: 3742358 (1973-06-01), Cesaro

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