Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1979-12-11
1981-12-29
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, B41J 312
Patent
active
043079660
ABSTRACT:
Printer wire assemblies for dot matrix printers are characterized by a copper layer on the tungsten wire extending beyond the base portion inside the pin socket, to protect the wire from the embrittling effects of brazing, by braze-forming layers on the copper layer and by a blind-hole pin socket, to enable ease of assembly and braze-bonds of uniformly adequate mechanical strength.
REFERENCES:
patent: 3296693 (1967-01-01), Carter
patent: 4011981 (1977-03-01), Danna et al.
patent: 4223826 (1980-09-01), Usui
Martin, Jr. Harry D.
Spencer James R.
GTE Products Corporation
Sewell Paul T.
Walter Robert E.
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