| 摘要 |
A wire matrix print head assembly in which armatures are mounted between pairs of magnetic pole members and wire printing members with coplanar radially spaced pole member end surfaces facing the direction of movement of the armatures and the wire printing members during printing movement from a non-print position to a print position and the pole member end surfaces providing a first radially innermost pivotal support means engageable with the armature members only during an initial portion of the armature movement and also providing a second radially outermost pivoted support means engageable with the armature members only during a terminal portion of the armature movement.
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