Wire printer with step formation armature and method of assembly

Details Wire printer with step formation armature and method of assembly Wire printer with step formation armature and method of assembly

1988-12-27

1991-02-26

Eickholt, Eugene H.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, 296021, B41J 312

Patent

active

049957430

ABSTRACT:
Each needle of the printer has an associated electromagnet with a generally elongate movable armature having a first end and a second end which can selectively push the needle during printing as a result of a pivoting movement within a step formation facing the electromagnet. The step formation divides the armature into first and second portions facing the first and second ends respectively, and faces the respective electromagnet in such a position that the second portion of the armature at least partially faces the electromagnet.

REFERENCES:
patent: 3893220 (1975-07-01), Bittner
patent: 4230038 (1980-10-01), Herbert
patent: 4389127 (1983-06-01), Bellinger
patent: 4407591 (1983-10-01), Adamoli
patent: 4420266 (1983-12-01), Kolm
patent: 4583871 (1986-04-01), Ochiai
patent: 4626115 (1986-12-01), Norigoe
patent: 4629343 (1986-12-01), Bernardis

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