Patent ID: 6805503
Filing Date: 2004-10-19
Classification: B41J

Abstract:
A wire dot printer head comprising:a plurality of armatures each supporting a printing wire, and each having a support shaft on the center of which the armature rotates; a yoke having a plurality of cores each wound with a coil, and supporting each support shaft of the armatures in such a manner that the armatures may face to a plurality of cores respectively; an armature spacer mounted on the yoke, having a plurality of cutouts in which the plurality of support shafts are held in such a manner that the armatures can rock therein, and holding, together with the yoke, the armature support shafts; a holding member mounted on the armature spacer, and so formed as not to interfere with the rocking motion of the armatures, for holding the armature support shafts; and an abrasion preventive member enclosing the outer periphery of the armature support shafts.