Print head

Details Print head Print head

1990-08-27

1992-04-07

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 225

Patent

active

051022451

ABSTRACT:
A print head for a dot printer having a plurality of needles for printing by projecting the needles selectively from the print head. The print head has a solenoid base having a plurality of solenoids arranged in a circle thereon for driving the needles, a heat conductor having one side fixed in heat conducting relationship to one surface of the solenoid base and having a heat radiating portion extending in one direction from the solenoid base for radiating heat conducted thereto from the solenoid base, and a connecting portion extending in another direction from the solenoid base, a printed circuit board mounted on the side of the heat conductor opposite the one side, and an electrical connector for receiving a cable for supplying signals to a circuit on the printed circuit board and mounted on the connecting portion and electrically connected to the circuit on the printed circuit board.

REFERENCES:
patent: 4433927 (1984-02-01), Cavallari
patent: 4661002 (1987-04-01), Ara
patent: 4695174 (1987-09-01), Gugel et al.
patent: 4697939 (1987-10-01), Ara
patent: 4778293 (1988-10-01), Teshima et al.
patent: 4795283 (1989-01-01), Moriya et al.
patent: 4988222 (1991-01-01), Yamamoto et al.

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