Dot printer

Details Dot printer Dot printer

1983-04-19

1984-11-13

Sewell, Paul T.

Printing

Selective or progressive

Bed and platen machines

101 9305, 400121, 400352, B41J 312

Patent

active

044818807

ABSTRACT:
A dot printer in which vibration is eliminated without the use of a separate counterweight. The printer includes first and second hammer banks each holding a plurality of dot printing elements. The first and second hammer banks are spaced apart from each other a predetermined distance in the direction in which a printing sheet passes. A motor and oppositely-phased drive cams reciprocate the two hammer banks in opposite directions parallel to a dot printing direction.

REFERENCES:
patent: 3874492 (1975-04-01), Hurst
patent: 3941051 (1976-03-01), Barrus et al.
IBM Technical Disclosure Bulletin, vol. 17, No. 12, May 1975, p. 3550.

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