Impact printer head capable of printing a dot at a distance narr

Details Impact printer head capable of printing a dot at a distance narr Impact printer head capable of printing a dot at a distance narr

1983-08-05

1986-05-20

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 312

Patent

active

045897867

ABSTRACT:
In an impact printer head intermittently movable along a printing line and comprising a plurality of printer units (25) each of which has a thickness and a printing wire (30) having a printing end operable between rest and actuated positions along a line of displacement (R), a support member (45) supports the printing wires so that a distance between two adjacent ones of the printing ends becomes smaller than each thickness at the actuated positions. To this end, the printer units are radially disposed by the supporting member to make the lines of displacement form an acute angle for two adjacent printer units and to position the printing ends in a predetermined configuration at the actuated positions. The predetermined configuration may be a single straight line perpendicular or oblique to the printing line. Alternatively, the configuration may be a pair of straight lines orthogonal or inclined to the printing line. The printing ends may be parallel to one another when supported by the support member along a straight line inclined to the printing line.

REFERENCES:
patent: 3217640 (1965-11-01), Bradshaw
patent: 3900094 (1975-08-01), Larsen et al.
patent: 4134691 (1979-01-01), Matschke
patent: 4193703 (1980-03-01), Sakmann
patent: 4408907 (1983-10-01), Bernardis
patent: 4435666 (1984-03-01), Fukui et al.
patent: 4449836 (1984-05-01), Yamada

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