Actuator for TVRO parabolic antenna

Electricity: motive power systems – Positional servo systems – Limit or end-stop control

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Details

318254, 318475, 318266, 310 83, 74813L, 343765, 343766, 343882, H02H 500, H01Q 308

Patent

active

049183630

ABSTRACT:
Power transmission and actuator apparatus especially advantageous in application to outdoor antennas, particularly TVRO parabolic antennas, to be operated by remote control, comprises a tub-shaped receptacle including a base having a peripherally encompassing relatively projected wall structure defining therewith a cavity, the major extent of the opening to the cavity being bridged by a releasably attached plate mounting a terminal strip adapted for connection thereto of a remote source of electrical energy, the base mounting a first integrated adapter for mounting a drive motor and a second for mounting an actuator assembly in a manner to provide for an inherent evacuation of water from each thereof during its use. The plate commonly mounts a perpendicularly related shaft and a multiplicity of control elements and the shaft has thereon a slip fit output gear in mesh with further gear means intermediate said plate and the base of the receptacle.

REFERENCES:
patent: 2438545 (1948-03-01), Davidson
patent: 2479019 (1949-08-01), Ochtman
patent: 2480212 (1949-08-01), Baines
patent: 2769430 (1956-11-01), Geyer
patent: 3038352 (1962-06-01), Murphy
patent: 4128361 (1978-12-01), Golwas et al.
patent: 4607180 (1986-08-01), Stoody
patent: 4617572 (1986-10-01), Hugo
patent: 4663635 (1987-05-01), Wu
patent: 4672385 (1987-06-01), Prindle
patent: 4691207 (1987-09-01), Timineri
patent: 4763219 (1988-08-01), Nakamura
patent: 4821043 (1989-04-01), Leavitt
patent: 4841309 (1989-06-01), Burr

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