Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1989-12-13
1991-02-19
Burr, Edgar S.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, B41J 227, B41J 2235
Patent
active
049938541
ABSTRACT:
A wire dot printer includes a print head which is more reliable and better controls a gap between a magnetic pole and a print lever. The print head includes a core block and nose block. The core block includes a projection for regulating oscillations of a print lever at its inner central portion. A print lever drive coil for each print lever is formed on the core block about the projection. The nose block includes a disk member which is mounted opposed to the core block. A print lever is movably supported between the nose block and core block.
REFERENCES:
patent: 4453840 (1984-06-01), Hodne
Bennett C. A.
Burr Edgar S.
Kaplan Blum
Seiko Epson Corporation
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