Stepping motor with one-way clutch

Details Stepping motor with one-way clutch Stepping motor with one-way clutch

1989-01-23

1991-03-05

Stephan, Steven L.

Electrical generator or motor structure

Dynamoelectric

Oscillating

310 36, 310 49R, 310 80, H02K 706, H02K 3302, H02K 3304, H02K 710

Patent

active

049980319

ABSTRACT:
A high torque AC stepping motor is provided. The motor includes a stator with six radially spaced coils. Spaced radially extending arms on an armature core are positioned adjacent the coils. The armature is mounted by a torsional shaft assembly including two concentric torque tubes. the torsional action of the tubes serves to return the armature to a home position after each current pulse. A one way sprag clutch is driven by the output shaft connected to the armature to turn an output gear or the like. A timer controls the AC power source to provide the precise rotary output. A system for precisely feeding webs of material for processing utilizing the stepping motor is also disclosed.

REFERENCES:
patent: 1725203 (1929-08-01), McNerney
patent: 1782242 (1930-11-01), McNerney
patent: 1851543 (1932-03-01), Bossard
patent: 2364656 (1944-12-01), Price
patent: 2449901 (1948-09-01), Kaiser
patent: 2845920 (1958-08-01), Bruce
patent: 3001092 (1961-09-01), Nemeth
patent: 3097278 (1963-07-01), Alderman
patent: 3097316 (1963-07-01), Barden et al.
patent: 3139546 (1964-06-01), Parr
patent: 3302045 (1967-01-01), Dotto
patent: 3517236 (1970-06-01), Touchman
patent: 3599022 (1971-08-01), Adair
patent: 3693124 (1972-09-01), Ganowsky
patent: 4164722 (1979-08-01), Garvey
patent: 4187452 (1980-02-01), Knappe et al.

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