Print wire actuator mechanism

Details Print wire actuator mechanism Print wire actuator mechanism

1978-01-19

1979-09-11

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

041673433

ABSTRACT:
This invention relates to a wire matrix printer system using a plurality of unique print wire actuator mechanisms operable to print dots on a printing medium. The novelty is in each print wire actuator mechanism using an electro-mechanical combination including (1) a print wire actuator; (2) a permanent magnet collector; (3) a solenoid collector; and (4) a connector assembly holding the aforementioned together as a unit. The print wire actuator includes a print wire assembly having a wire member moved through a printing stroke under the unique combined force of (1) a torsion rod, and (2) a solenoid member. Additionally, the wire member is returned to the rest or starting position under the force of the torsion rod and a permanent magnet collector member.

REFERENCES:
patent: 3672482 (1972-06-01), Brumbaugh et al.
patent: 3745495 (1973-07-01), Chai et al.
patent: 3748613 (1973-07-01), Venker
patent: 3878778 (1975-04-01), Gomi
patent: 3906854 (1975-09-01), Gomi
patent: 3973661 (1976-08-01), De Boo et al.
patent: 3982622 (1976-09-01), Bellino et al.

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