Authority limiter

Details Authority limiter Authority limiter

1985-04-02

1987-07-28

Shoop, Jr., William M.

Electricity: motive power systems

Torquing motors

318 45, 318434, 318640, 318584, 318585, 244 76A, G05B 1700, B64C 318

Patent

active

046834079

ABSTRACT:
An authority limiter includes an input shaft clutched to an output shaft. The output shaft is geared to a motor. Opto-sensors provide control signals to a current source supplying power to the motor. Different amounts of opposing torque are applied by the motor dependent upon the positioning of a disc, mechanically attached to the output shaft, effecting the optical path in the opto-sensors. In another embodiment, the opto-sensor control is replaced by an electro-mechanical mechanism which senses various thresholds corresponding to angular positions of the coupled input and output shafts.

REFERENCES:
patent: 2511846 (1950-06-01), Halpert
patent: 3111028 (1963-11-01), Lebow
patent: 3182244 (1965-05-01), Fitzroy
patent: 3329012 (1967-07-01), Demuth
patent: 3496436 (1970-02-01), Gronner
patent: 3587420 (1971-06-01), Llop
patent: 3593093 (1971-07-01), Bettcher
patent: 3673977 (1972-07-01), Hendley
patent: 3848833 (1974-11-01), Rauschelbach
patent: 3886562 (1975-05-01), Atzinger
patent: 4006395 (1977-02-01), Reesen
patent: 4182979 (1980-01-01), Douglas
patent: 4184107 (1980-01-01), Turini
patent: 4446746 (1984-05-01), Aoshima et al.

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