| 摘要 |
In order to assemble a Dot Matrix Head quickly and easily, several guide pins(25) are newly installed between the vent(11d) and the permanent magnet inserting holes(20). An armature holder has several grooves(11e). By assembling a plate spring, guide pins, a leaf spring, permanent magnets and an armature holder, each armature can be put into a fixed position without assembling a (1) and a (7), a fast, easy, stable, and correct assembling can be obtained.
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