Dot printer

Details Dot printer Dot printer

1982-04-12

1983-12-20

Sewell, Paul T.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9304, 101 9309, 400320, 400352, B41J 310

Patent

active

044214308

ABSTRACT:
A printing mechanism is provided with a counter-balanced hammer bank such that the hammer bank and a counterweight are oppositely reciprocated by a pair of coaxial, identical, orthogonally oriented cams. Vibration of the printer even at high speed can be eliminated by completely dynamically balancing the system.

REFERENCES:
patent: 3941051 (1976-03-01), Barrus et al.
patent: 4218149 (1980-08-01), Okada
patent: 4278019 (1981-07-01), Meier
patent: 4306497 (1981-12-01), Hamada

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