Mosaic printing head

Details Mosaic printing head Mosaic printing head

1979-09-11

1981-04-07

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

042602700

ABSTRACT:
An impact matrix printing head for use in a computer printer. The printing head utilizes a unique design to provide an unitary needle guiding assembly and an unitary electromagnet assembly which can each be independently removed from the printer head without the need to disassemble. The printer head includes adjustments for the air gap of the electromagnet assembly and adjustments for the needle position, both initially and after needle wear has occurred.

REFERENCES:
patent: 3893220 (1975-07-01), Bittner
patent: 4049107 (1977-09-01), Murat
patent: 4140406 (1979-02-01), Wolf et al.

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