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发明授权
US5188467A Print head with energizing and return leaf springs 失效
打印头与能量和返回叶子弹簧

Print head with energizing and return leaf springs
摘要：
A print head is provided with armatures, each having a stylus section and a plunger in an opposite position, the armatures each having the middle section that serves as a fulcrum for rotation. A plurality of first flat springs act on the armatures to that the armatures are biased in direction bias the armatures in a direction returning the armatures against the bias forces by the first flat springs.
摘要（中）：

打印头设置有电枢，每个电枢具有触针部分和处于相反位置的柱塞，每个电枢具有用作旋转支点的中间部分。 多个第一平板弹簧作用在电枢上，使得电枢沿着方向偏置电枢，使电枢沿着使电枢抵抗第一平板弹簧的偏压力使电枢返回。

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