Arranging structure of print wire driving units utilized in a do

Details Arranging structure of print wire driving units utilized in a do Arranging structure of print wire driving units utilized in a do

1992-09-16

1994-07-05

Burr, Edgar S.

Typewriting machines

Typing by other than type-face or type-die

Character formation by impact

101 9305, B41J 2295

Patent

active

053261801

ABSTRACT:
An arranging structure of print wire driving units in print head utilized in a shuttle printer is disclosed. In such structure, a plurality of head units U each of which comprises the row R1 and the row R2 of the print wire driving units 10a, 10b, are arranged in the print head H1. The rows 10a, 10b are positioned at both sides (left and right sides) in the print head H1 with reference to a line passing through the wire guide plate 22. Here, the first driving unit 10a has a construction in which the arm 12a is supported by the plate springs S in a direction vertical to a longitudinal direction of the frame F in the unit 10a and the print wire 14a is fixed to the top portion of the arm 12a so that it is extended to the longitudinal direction of the frame F in the unit 10a. And the second print wire driving unit 10 b has s construction in which the arm 12b is supported by the plate springs S in the same direction as the longitudinal direction of the frame F in the unit 10b and the print wire 14b is fixed to the top portion of the arm 12b so that it is extended to a direction vertical to the longitudinal direction of the frame F in the unit 10b. In both rows R1, R2, the first driving units 10a and the second driving units 10b are alternately arranged each other with right angle, thus, the arms 12a, 12b are arranged with parallel relationship therebetween and the print wires 14a, 14b are arrayed in a straight line on the wire guide plate 22.

REFERENCES:
patent: 3941051 (1976-03-01), Barrus et al.
patent: 4589786 (1986-05-01), Fukio et al.
patent: 4700025 (1987-10-01), Bauer
patent: 5165809 (1992-11-01), Takahashi et al.

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