Printing head in wire-dot printer

Details Printing head in wire-dot printer Printing head in wire-dot printer

1992-12-04

1994-09-27

Wiecking, David A.

Printing

Selective or progressive

Bed and platen machines

40012412, B41J 2245

Patent

active

053499034

ABSTRACT:
A printing head provided in a wire-dot printer includes a plurality of first wire pins arranged in accordance with a predetermined rule, ends of the first wire pins facing a printing plane, a first driving mechanism for reciprocating the first wire pins in directions approximately perpendicular to the printing plane, a plurality of second wire pins longer than the first wire pins, ends of the second wire pins facing the printing plane, and a second driving mechanism for reciprocating the second wire pins in the same directions as the first wire pins, wherein the first and second driving mechanisms are arranged along a direction approximately perpendicular to the printing plane under a condition in which the first driving mechanism is positioned nearer the printing plane than the second driving mechanism.

REFERENCES:
patent: 4268180 (1981-05-01), Honma
patent: 4351235 (1982-09-01), Bringhurst
patent: 4373440 (1983-02-01), Jezbera
patent: 4532862 (1985-08-01), Moss
patent: 4572070 (1986-02-01), Moulin
patent: 4675568 (1987-06-01), Uchikawa et al.
patent: 4700625 (1987-10-01), Bauer
patent: 4867583 (1989-09-01), Caulier et al.
patent: 5046871 (1991-09-01), Saitou et al.
patent: 5048985 (1991-09-01), Mitsuishi et al.
patent: 5169246 (1992-12-01), Bernardis et al.
patent: 5237918 (1993-08-01), Kobayashi et al.
patent: 5241904 (1993-09-01), Kobayashi et al.

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