Printer head for printer

Details Printer head for printer Printer head for printer

1991-12-19

1993-11-02

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 227

Patent

active

052578682

ABSTRACT:
In a printing head for a printer, forward end surfaces of respective outer and inner peripheral walls of a solenoid base and forward end faces of a plurality of respective core sections arranged between the inner and outer peripheral walls along a peripheral direction are formed coextensive with each other. Outer-peripheral-wall abutment surfaces and inner-peripheral-wall abutment surfaces of armatures having respective sections disposed to be drawn opposite to the core sections are formed to be coextensive with each other. Core-section opposed surfaces of the sections to be drawn are formed coextensive with the outer-peripheral-wall abutment surfaces and the inner-peripheral-wall abutment surfaces. In another aspect of the invention, the core-section opposed surfaces are so formed as to be depressed toward a side opposite to the core sections.

REFERENCES:
patent: 4728205 (1988-03-01), Hasumi et al.
patent: 4895464 (1990-01-01), Rubinshtein
patent: 4988223 (1991-01-01), Hilkenmeier et al.
patent: 5054942 (1991-10-01), Bernardis et al.
patent: 5083876 (1992-01-01), Mitsuishi et al.

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