Rotary solenoid for intermittent ink ribbon feeding

Details Rotary solenoid for intermittent ink ribbon feeding Rotary solenoid for intermittent ink ribbon feeding

1982-11-19

1986-12-02

Duggan, Donovan F.

Electrical generator or motor structure

Dynamoelectric

Oscillating

400225, H02K 3300

Patent

active

046267182

ABSTRACT:
A rotary solenoid includes a rotating shaft on which a rotor is fixedly mounted, a pair of stators arranged on both sides of the rotor and a driving coil disposed around the stators. The opposed arrangement of the pair of stators allows to rotate the rotating shaft at high speed. When the rotary solenoid is combined with a one-way clutch, there is provided an apparatus for converting an oscillating rotary motion into an incremental and intermittent rotary motion, which may be advantageously applied to a system for advancing an ink ribbon in a printer and the like.

REFERENCES:
patent: 2741712 (1956-04-01), Lonnqvist
patent: 3143674 (1964-08-01), Bond
patent: 3202849 (1965-08-01), Neal
patent: 3349262 (1967-10-01), Gibbons
patent: 3351789 (1967-11-01), Berthing
patent: 3803431 (1974-04-01), Inabo
patent: 3954167 (1976-05-01), Kranz
patent: 4350907 (1982-09-01), Shindo et al.
patent: 4436192 (1984-03-01), Longrod
patent: 4538931 (1985-09-01), Nagashima

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