High speed printing mechanism

Details High speed printing mechanism High speed printing mechanism

1974-03-11

1976-06-22

Burr, Edgar S.

Printing

Selective or progressive

Bed and platen machines

101 9329, 101 9302, B41J 902

Patent

active

039643840

ABSTRACT:
A plurality of small pin-shaped low-mass print hammers are slideably mounted in a row opposite moving type. The low-mass print hammers are individually moved a short distance from a ready position to impact the moving type by individual highspeed actuators when a selected character is juxtaposed each of the hammers. The print hammers and actuators are returned to the ready position by spring means cooperating with damper means.

REFERENCES:
patent: 3385211 (1968-05-01), Shepard
patent: 3426675 (1969-02-01), Dalton
patent: 3490366 (1970-01-01), Benson et al.
patent: 3507213 (1970-04-01), Derc
patent: 3635156 (1972-01-01), Krebs et al.
patent: 3726213 (1973-04-01), Herbert
patent: 3745917 (1973-07-01), Cavella
patent: 3795187 (1974-03-01), Babler

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