Patent ID: 6543944
Filing Date: 2003-04-08
Classification: B41J

Abstract:
A wire dot printer head, comprising:a yoke; a plurality of cores arranged in an annular form on the yoke; a plurality of coils combined with the cores so as to fit the cores; a plurality of armatures supported so as to be raised or lowered in respect to the cores; a plurality of wires supported at the free ends of the armatures in such a way that they may be driven and displaced; and an extremity end guide having a plurality of guide holes for independently and slidably supporting the extremity ends of the wires to arrange them; wherein when the moving direction of the wire dot printer head is as a main scanning direction, the guide holes of the extremity end guide are arranged along an arc curved only in direction of the sub-scanning direction so as to cause the arrangement positions in the main scanning direction to be made different.