| 摘要 |
A print head for a dot matrix printer has a plurality of print needles slidably mounted in the head, a plurality of armatures operatively connected to the print needles, a plurality of electromagnets for respectively operating the armatures, a center ring for stopping the armature attracted by the electromagnet, and a residual sheet mounted on a core of each of the electromagnets for preventing the armature from sticking to the core.
|
