Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1977-06-13
1979-05-15
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, B41J 312
Patent
active
041545419
ABSTRACT:
A printer head assembly for use in high speed printers of the dot-matrix type. The assembly includes a plurality of solenoids affixed to a bevelled rear wall of a bracket and arranged in such a manner that they are located equidistantly from one another on the circumference of the rear wall of the bracket and arranged at different heights in a vertical plane, and print wires of the same number as the solenoids extending diagonally inwardly from the associated solenoids at the same angle therewith and ultimately introduced into guide apertures formed in a lip guide so as to lie along an imaginary straight line in very closely spaced relationship. The print wires are each inserted in a conduit formed of material of a low coefficient of friction in the region between the bracket having a conduit support and a place slightly posterior to the entrance to the lip guide. A conduit holder is mounted in the vicinity of the forward ends of the conduits so as to enable the print wires to be introduced substantially in straight lines into the guide apertures in the lip guide.
REFERENCES:
patent: 3835975 (1974-09-01), Howard
patent: 3907092 (1975-09-01), Kwan et al.
patent: 3991871 (1976-11-01), McIntosh
patent: 4047606 (1977-09-01), Ott
Ricoh & Company, Ltd.
Sewell Paul T.
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