Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
September 8, 2009
Patent Application Number
11369153
Date Filed
March 6, 2006
Patent Primary Examiner
Patent abstract
An armature structure according to the present invention is arranged in a manner that two armature members, in each of which a shear plane and a broken-out section are formed by a punching processing on an inner periphery of a through hole into which a fulcrum shaft fits, are joined integrally in a state of sandwiching an arm therebetween so as to position the broken-out sections of the armature members at the outer side. Thus, even by the rotation of the armature structure during a printing operation, there does not arise a problem that the armature structure inclines due to eccentric wear, so that a stable printing state can be obtained for a long term.
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