Differential drive pedestal gimbal

Details Differential drive pedestal gimbal Differential drive pedestal gimbal

1981-04-06

1983-08-02

Lieberman, Eli

Communications: radio wave antennas

Antennas

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

343766, 74 1R, H01Q 308

Patent

active

043969194

ABSTRACT:
A pedestal gimbal drive assembly includes a yoke and a cross shaft mounted for movement about separate orthogonal axes for affording a sensing platform for being driven by differential drive mechanism for sweeping a hemispherical segment. One embodiment of the drive means includes an endless cable drivingly connected by means of two separate reversible motors to a pair of fixed pulleys on the platform and trailed over a plurality of idler pulleys and operative to move the platform in the desired motion. An alternate embodiment includes a driven gear connected to the ring and a pair of bevelled gears connected to the driven gear and connected by link members to the two independent reversible motors.

REFERENCES:
patent: 1694477 (1928-12-01), Long
patent: 1733531 (1929-10-01), Dugan
patent: 2512636 (1950-06-01), Flynt
patent: 2530890 (1950-11-01), Mattke
patent: 2654031 (1953-09-01), Mullins, Jr. et al.
patent: 3987453 (1976-10-01), Godet
patent: 4014026 (1977-03-01), Comstock

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