Typewriting machines – Typing by other than type-face or type-die – Character formation by impact
Patent
1985-03-25
1986-12-30
Sewell, Paul T.
Typewriting machines
Typing by other than type-face or type-die
Character formation by impact
101 9305, B41J 312
Patent
active
046325808
ABSTRACT:
A mechanical damper system for use in a multiple wire, dot matrix print head to dampen the motion of each print wire actuator when such actuator returns from the printing position to the non-printing or home position. A single injection-molded plastic piece includes a plurality of plunger backstops arranged in a circle and spring-hinged for impact against a rubber damper by the respective print wire actuators.
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Hanna Kenneth W.
Wilson Hillis L.
Wirth Robert L.
Hawk Jr. Wilbert
Muckenthaler George J.
NCR Corporation
Sessler Jr. Albert L.
Sewell Paul T.
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