Print head for a dot-printer

Details Print head for a dot-printer Print head for a dot-printer

1987-10-09

1989-01-03

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

047952830

ABSTRACT:
A print head for a dot-type printer has a nose having a wire point guide thereon and a plurality of print wires slidably guided in the wire point guide, and a nose base contacting surface thereon, a solenoid base having a magnetic system for moving the respective print wires selectively for causing the point ends of the wires to move outwardly from the wire point guide for printing on a platen, and a nose base having a nose contacting surface in opposed relation to the nose base contacting surface on the nose, and having a solenoid base contacting surface in opposed relation to the solenoid base and having a mounting device for mounting the print head on a carriage. A spacer is engaged between the nose base contacting surface and the nose contacting surface for adjusting the distance the wire ends extend from the front of the wire point guide, a further spacer is engaged between the solenoid base and the solenoid base contacting surface for adjusting the distance of the wire ends from the carriage, and a leaf spring is removably engaged between the nose and the nose base for holding the nose and the nose base together.

REFERENCES:
patent: 4407591 (1983-10-01), Adamoli et al.
patent: 4447166 (1984-05-01), Ochiai
patent: 4555192 (1985-11-01), Ochiai
patent: 4561790 (1985-12-01), Evans et al.
patent: 4569605 (1986-02-01), Meier et al.
patent: 4613246 (1986-09-01), Sugiura

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