Coded actuator

Details Coded actuator Coded actuator

1977-01-03

1979-04-10

Braun, Leslie

192 clutches and power-stop control

Vortex-flow drive and clutch

With brake

74113, 74813L, F16D 2300

Patent

active

041483812

ABSTRACT:
An electromechanical coded actuator, upon receipt of the proper combination f electrical pulses, will unlock and cause angular displacement of an output shaft. The device comprises a rotatable notched flange integral with the output shaft, the former being keyed to the housing by a series of flat blades axially movable against a bias. A first solenoid sequentially positions a rotatable index arm over each blade, whereupon a second solenoid actuates the index arm to displace and lock selected blades in a manner to align a notch in each blade with the flange. The latter is then free to be rotated via a clutch-type coupling with the first solenoid. Additional actuation of the rotary solenoid releases the clutch allowing the flange and shaft to be returned to its original position by a spring bias, and also releases the displaced blades to lock the flange. An electrical switch actuated by the index arm defines the zero position.

REFERENCES:
patent: 2491595 (1949-12-01), Williams
patent: 2881621 (1959-04-01), Prendergast et al.
patent: 2910876 (1959-11-01), Jackson
patent: 2959969 (1960-11-01), Leland et al.
patent: 3013248 (1961-12-01), Carbonara et al.
patent: 3073995 (1963-01-01), Phinizy et al.
patent: 3161070 (1964-12-01), Venables
patent: 3258980 (1966-07-01), Swanson
patent: 3308410 (1967-03-01), Biser
patent: 3827308 (1974-08-01), Brown
patent: 4038846 (1977-08-01), Klann

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