Line printer hammerbank cover with spaced apart thickened sectio

Details Line printer hammerbank cover with spaced apart thickened sectio Line printer hammerbank cover with spaced apart thickened sectio

1999-02-05

2000-07-18

Hilten, John S.

Typewriting machines

Including interposed inking device for record-medium

Means auxiliary to ribbon mechanism

400247, 400693, B41J 3506, B41J 2912, B41J 2913

Patent

active

060897694

ABSTRACT:
A line printer having a hammerbank for printing on media with print hammers to impact a ribbon to form a dot matrix array having printing tips and permanent magnets for magnetically retaining the hammers. Coils release the hammers by overcoming the magnetism to impact a platen against which the hammer printing tips can strike a ribbon and the underlying media. A cover overlies the hammers having an elongated ridge, and is secured to the hammerbank by threaded members. A print ribbon mask is threadably secured to the cover with openings indexed to openings of the cover to allow the passage of the printing tips.

REFERENCES:
patent: 3556002 (1971-01-01), Bragg
patent: 4553864 (1985-11-01), Hayashi
patent: 4616943 (1986-10-01), Matsumoto et al.
patent: 4879947 (1989-11-01), Kurosawa et al.
patent: 5743665 (1998-04-01), Ryan et al.
patent: 6000330 (1999-12-01), Farb et al.

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