Device for supporting and rotating a payload relative to a struc

Details Device for supporting and rotating a payload relative to a struc Device for supporting and rotating a payload relative to a struc

1992-02-04

1993-05-25

Ro, Bentsu

Electricity: motive power systems

Positional servo systems

901 15, 343758, 343766, H01Q 302

Patent

active

052143619

ABSTRACT:
A device for supporting and rotating a payload relative to a structure comprises a first coupling ring joined to the payload and a second coupling ring joined to the structure. A pair of annular bearings guide rotation of the first coupling ring relative to the second coupling ring. An annular motor has a stator fixed to one of the coupling rings and a rotor rotating the other coupling ring through a differential epicyclic train disposed inside the annular bearings.

REFERENCES:
patent: 3861243 (1975-01-01), Fleischer
patent: 4920349 (1990-04-01), Le Gall
patent: 5064340 (1991-11-01), Genov et al.
patent: 5091733 (1992-02-01), Labruyere
Patent Abstracts of Japan, vol. 7, No. 94 (E-171) (1239) Apr. 20, 1983; & JP-A-58019005 (Nippon Denki K.K.) Mar. 2, 1983.

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