Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yasunobu Terao0
Keishi Tsuchiya0
Takahiro Kawaguchi0
Date of Patent
December 9, 2008
0Patent Application Number
114340940
Date Filed
May 15, 2006
0Patent Primary Examiner
Patent abstract
In order to realize a stable rocking operation of the armature for performing high-speed printing, between the armature spacer for accommodating and holding the support shaft of the armature which supports the printing wires, and the yoke for holding the support shafts of the plurality of armatures together with this armature spacer, there is provided the abrasion preventing member formed of material having higher magnetic permeability than that of the yoke, and hardened by surface hardening processing.
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