Collapsible rooftop microwave antenna with wind loading feature

Details Collapsible rooftop microwave antenna with wind loading feature Collapsible rooftop microwave antenna with wind loading feature

1982-06-03

1984-12-25

Lieberman, Eli

Communications: radio wave antennas

Antennas

Antenna with parasitic reflector

343DIG1, H01Q 112

Patent

active

044907265

ABSTRACT:
A parabolic, collapsible rooftop microwave antenna for direct satellite-to-consumer TV transmission pivots in the direction of the aperture axis about a horizontal pivot axis in response to excessive wind forces. The antenna has a cross-head theodolite-type mount adjustable for azimuth and elevation, with a horizontal pivot that provides axial displacement if the axial wind force exceeds a predetermined threshold force. This limits the torque transmitted to the roof on which the antenna is mounted to a reasonably low level. Various torque sensitive horizontal pivots are described including a torqued pivot bolt, torqued slide bolts disposed in arcuate slots for limit-stop action, shear pins for quick release action, and biased springs for collapse and self-restoration to the initial vertical position in response to transient wind force exceeding a threshold force set by the spring bias.

REFERENCES:
patent: 2126030 (1938-08-01), Peterson
patent: 2329200 (1943-09-01), Hefele
patent: 2683011 (1954-07-01), Haggerty
patent: 3090960 (1963-05-01), Ingledew
patent: 3229295 (1966-01-01), Watkin et al.
patent: 3286266 (1966-11-01), Barnes
patent: 3304037 (1967-02-01), Candela
patent: 3510877 (1970-05-01), Turriere
patent: 3521285 (1970-07-01), Mautner
patent: 4146897 (1979-03-01), Wilson et al.

Affiliated with

Also associated with

Rating

Collapsible rooftop microwave antenna with wind loading feature does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Collapsible rooftop microwave antenna with wind loading feature, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Collapsible rooftop microwave antenna with wind loading feature will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1155465