Printing mechanism for an impact matrix printer

Details Printing mechanism for an impact matrix printer Printing mechanism for an impact matrix printer

1985-06-11

1987-06-23

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

046748962

ABSTRACT:
A printing mechanism has a cantilevered leaf spring of magnetic material and an electromagnet. A cantilevered first thin plate of magnetic material is disposed between the leaf spring and a core of the electromagnet. A second thin plate of nonmagnetic material is secured to the first thin plate adjacent to the leaf spring. A permanent magnet is provided to attract the leaf spring and the first thin plate to the core and to attract the first thin plate by residual magnetism upon energization of the electromagnet.

REFERENCES:
patent: 4244658 (1981-01-01), Mori
patent: 4498791 (1985-02-01), Gilbert

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