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1. 发明授权

EP0372162B1 DOT matrix printer having an impact DOT printing head 失效
标题翻译：针式打印机与冲击头。
公开(公告)号：EP0372162B1
公开(公告)日：1993-12-08
申请号：EP89113689.7
申请日：1989-07-25
申请人： SEIKO EPSON CORPORATION
发明人： Mitsuishi, Akio , Takeuchi, Takashi , Kuriyama, Toshio
IPC分类号： B41J2/28
CPC分类号： B41J2/28

2. 发明公开

EP0365267A3 A printing head for an impact dot printer 失效
标题翻译：打印头打印头
公开(公告)号：EP0365267A3
公开(公告)日：1990-09-19
申请号：EP89310635.1
申请日：1989-10-17
申请人： SEIKO EPSON CORPORATION
发明人： Takeuchi, Takashi , Mitsuishi, Akio
IPC分类号： B41J2/275
CPC分类号： B41J2/275
摘要： A printing head for an impact dot printer has a print wire (3) which is mounted on a lever (14) and which is selectively driven by means of an electro-magnetic arrangement. The electro-magnetic arrangement comprises a respective magnetic circuit (1, 10, 16; 2, 11, 17) arranged to apply a force on each side of the axis of rotation of the lever. The distance between the axis of the lever and the print wire is greater than the distance between the axis and the point of application of the force applied by the magnetic circuit on the opposite side of the axis.

3. 发明公开

EP0372162A2 DOT matrix printer having an impact DOT printing head 失效
标题翻译： Punktmatrixdrucker mit Anschlagdruckkopf。
公开(公告)号：EP0372162A2
公开(公告)日：1990-06-13
申请号：EP89113689.7
申请日：1989-07-25
申请人： SEIKO EPSON CORPORATION
发明人： Mitsuishi, Akio , Takeuchi, Takashi , Kuriyama, Toshio
IPC分类号： B41J2/28
CPC分类号： B41J2/28
摘要： A dot matrix printer having an impact dot printing head is provided with a plurality of printing levers radially disposed with respect to guide holes arrayed at the end of a nose portion of the printing head. Printing wires (12) equal in number to the printing levers (10, 10F, 10R) are connected to the radially inner ends of the printing levers and guided by said guide holes (8, 8A). The printing levers are arranged such that their radially inner ends define a zigzag line. The printing head further includes plate springs for imparting biasing forces to the printing levers (10, 10F, 10R) and a spacer for pressing the plate springs to equalize the effective lengths thereof. The lever axial lines (10a) deviate from projected centers of the guide holes (8, 8A). Gaps (δ) are formed between adjacent levers to avoid a mutual interference between the printing wires.
摘要翻译：具有冲击点打印头的点阵式打印机设置有多个相对于排列在打印头的鼻部的端部处的引导孔布置的打印杆。与打印杆（10,10F，10R）相等数量的打印线（12）连接到打印杆的径向内端，并被所述引导孔（8,8A）引导。打印杆布置成使得其径向内端限定锯齿形线。打印头还包括用于向打印杆（10,10F，10R）施加偏压力的板簧和用于按压板簧的间隔件以使其有效长度相等。杠杆轴线（10a）偏离引导孔（8,8A）的突出中心。在相邻的杠杆之间形成间隙（delta），以避免印刷线之间的相互干扰。

4. 发明公开

EP0365267A2 A printing head for an impact dot printer 失效
标题翻译： DruckkopffürAnschlagpunktdrucker。
公开(公告)号：EP0365267A2
公开(公告)日：1990-04-25
申请号：EP89310635.1
申请日：1989-10-17
申请人： SEIKO EPSON CORPORATION
发明人： Takeuchi, Takashi , Mitsuishi, Akio
IPC分类号： B41J2/275
CPC分类号： B41J2/275
摘要： A printing head for an impact dot printer has a print wire (3) which is mounted on a lever (14) and which is selectively driven by means of an electro-magnetic arrangement. The electro-magnetic arrangement comprises a respective magnetic circuit (1, 10, 16; 2, 11, 17) arranged to apply a force on each side of the axis of rotation of the lever. The distance between the axis of the lever and the print wire is greater than the distance between the axis and the point of application of the force applied by the magnetic circuit on the opposite side of the axis.
摘要翻译：冲击点打印机的打印头具有安装在杠杆（14）上并通过电磁装置有选择地驱动的打印线（3）。电磁装置包括布置成在杠杆的旋转轴线的每一侧施加力的相应的磁路（1,10,16; 2，11，17）。杠杆的轴线和打印线之间的距离大于轴与轴之间的磁路施加力的施加点之间的距离。

5. 发明授权

EP0365267B1 A printing head for an impact dot printer 失效
标题翻译：打印头撞击针式打印机。
公开(公告)号：EP0365267B1
公开(公告)日：1994-08-10
申请号：EP89310635.1
申请日：1989-10-17
申请人： SEIKO EPSON CORPORATION
发明人： Takeuchi, Takashi , Mitsuishi, Akio
IPC分类号： B41J2/275
CPC分类号： B41J2/275

6. 发明公开

EP0372162A3 DOT matrix printer having an impact DOT printing head 失效
标题翻译： DOT MATRIX打印机有一个冲击头印刷头
公开(公告)号：EP0372162A3
公开(公告)日：1990-09-12
申请号：EP89113689.7
申请日：1989-07-25
申请人： SEIKO EPSON CORPORATION
发明人： Mitsuishi, Akio , Takeuchi, Takashi , Kuriyama, Toshio
IPC分类号： B41J2/28
CPC分类号： B41J2/28
摘要： A dot matrix printer having an impact dot printing head is provided with a plurality of printing levers radially disposed with respect to guide holes arrayed at the end of a nose portion of the printing head. Printing wires (12) equal in number to the printing levers (10, 10F, 10R) are connected to the radially inner ends of the printing levers and guided by said guide holes (8, 8A). The printing levers are arranged such that their radially inner ends define a zigzag line. The printing head further includes plate springs for imparting biasing forces to the printing levers (10, 10F, 10R) and a spacer for pressing the plate springs to equalize the effective lengths thereof. The lever axial lines (10a) deviate from projected centers of the guide holes (8, 8A). Gaps (δ) are formed between adjacent levers to avoid a mutual interference between the printing wires.

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