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公开(公告)号：US4327856A
公开(公告)日：1982-05-04
申请号：US148396
申请日：1980-05-09
申请人： Minoru Isobe , Etumi Ishii , Shuichi Imai , Tadasi Kodama , Wataru Ohara
发明人： Minoru Isobe , Etumi Ishii , Shuichi Imai , Tadasi Kodama , Wataru Ohara
CPC分类号： B41J15/08
摘要： A small printer is provided which comprises a housing, a rolled printing paper mounted in the housing, a platen along which a paper runs, a motor, and a carriage having a printing head for mosaic printing on a paper on the platen. The carriage travels along the whole width of the paper and is driven by the motor, and a paper transfer mechanism transfers the paper by one line for every traverse of the carriage. The paper transfer mechanism comprises an idler positioned beneath the path of the paper, the idler being swingable in the moving direction of the paper, and the idler having a first projection parallel to the path of the carriage at the left half of the idler and a second projection inclined to the path of the carriage at the right half thereof. The projections are engaged with the corresponding slots provided at the bottom of the carriage to ensure the swing movement of the idler is synchronized with the movement of the carriage. The idler has a substantially V-shaped friction member providing a large frictional force to the paper in the normal moving direction of the paper and a small frictional force to the paper in the opposite moving direction of the paper.
摘要翻译： 提供了一种小型打印机，其包括壳体，安装在壳体中的卷绕的打印纸，纸张沿其移动的台板，马达和具有印刷头的托架，该印刷头用于在台板上的纸上进行马赛克印刷。 滑架沿着纸张的整个宽度行进并由电机驱动，并且纸张传送机构将纸张每转一遍地移动到纸架上。 纸张传送机构包括位于纸的路径下方的惰轮，惰轮可沿纸张的移动方向摆动，并且惰轮具有平行于惰轮左半部处的托架的路径的第一突起和 第二突起在其右半部倾斜于滑架的路径。 突起与设置在滑架底部的相应的槽接合，以确保惰轮的摆动运动与滑架的运动同步。 惰轮具有基本上V形的摩擦构件，其在纸张的正常移动方向上向纸张提供大的摩擦力，并且在纸张的相反移动方向上对纸张产生小的摩擦力。
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公开(公告)号：US4348120A
公开(公告)日：1982-09-07
申请号：US147106
申请日：1980-05-06
申请人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama , Wataru Ohara
发明人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama , Wataru Ohara
摘要： A printer head for mosaic printing having a plurality of needles positioned on a straight line each being selectively driven towards a paper through an ink ribbon has been found. The printer head comprises of a cylindrical permanent magnet, a first yoke covering the bottom of the permanent magnet, a plurality of electromagnets each positioned on a circle on the first yoke with the predetermined angle intervals, a disk shaped spring having an outer ring and a plurality of projections towards the center of the disk, a plurality of armatures each attached to the related projection of the disk spring, a plurality of print needles each attached to the related projection of the disk spring so that each of the needles has the perpendicular component to the disk spring plane. A ring shaped spacer is positioned between the disk spring and the cylindrical permanent magnet, a second yoke for providing a magnetic flux path is positioned between the permanent magnet and each of the electromagnets, and a guideframe having a thin linear slit for arranging the top of said needles and covering the needles is provided.
摘要翻译： 已经发现一种用于马赛克印刷的打印头，其具有位于直线上的多个针，每个针被选择性地通过墨带朝纸张驱动。 打印机头包括圆柱形永磁体，覆盖永磁体底部的第一磁轭，以预定角度间隔分别位于第一磁轭上的圆上的多个电磁体，具有外环和 朝向盘中心的多个突起，多个衔铁，每个电枢均连接到盘簧的相关突起;多个打印针，每个连接到盘弹簧的相关突起上，使得每个针具有垂直分量 到盘弹簧平面。 环形间隔件位于盘簧和圆柱形永磁体之间，用于提供磁通路径的第二磁轭位于永磁体和每个电磁体之间，并且具有用于布置 提供针和覆盖针。
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公开(公告)号：US4688955A
公开(公告)日：1987-08-25
申请号：US418033
申请日：1982-09-14
申请人： Minoru Isobe , Shuichi Imai , Toru Hiroki , Tadasi Kodama , Waturu Ohara
发明人： Minoru Isobe , Shuichi Imai , Toru Hiroki , Tadasi Kodama , Waturu Ohara
摘要： A serial printer having a platen (5) and a carriage (4) having a printer head (6) with a plurality of aligned print needles close to the platen (5) for mosaic printing is disclosed. According to the present invention, an ink ribbon is in a detachable ribbon cartridge (3) under tension, and the printer head (6) has a smooth slope at the top of the head (5) that slopes towards the platen, thus, when the ribbon cartridge is put on the printer, the ink ribbon is temporarily twisted at the top of the slope on the head (6), and by swinging the printer head (5) a few times along the platen (6), the ink ribbon (1) at the top of the slope slides down along the slope into the narrow gap between the head (6) and the platen (6), and thus, the ink ribbon (1) is positioned in front of the print needles.
摘要翻译： 公开了一种具有压板（5）和具有打印头（6）的滑架（4）的串行打印机，所述打印头具有靠近所述压板（5）以用于马赛克印刷的多个对准的打印针。 根据本发明，墨带在张力下处于可拆卸的色带盒（3）中，并且打印头（6）在头部（5）的顶部具有平滑的斜面，其朝向压板倾斜，因此当 色带盒被放在打印机上，墨带在头部（6）的斜面的顶部暂时扭曲，并且沿着压板（6）使打印头（5）几次摆动，墨带 （1）在斜坡的顶部沿斜坡向下滑动到头部（6）和压板（6）之间的窄间隙中，因此，墨带（1）位于打印针的前面。
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公开(公告)号：US4377348A
公开(公告)日：1983-03-22
申请号：US244077
申请日：1981-03-16
申请人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama
发明人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama
摘要： A serial printer head is provided which comprises a sandwich structure (1,3,5) of a first circular yoke plate (1), a cylindrical magnet (3) and a ring shaped second yoke plate (5); a plurality of electromagnets (2,4) positioned on the first yoke plate (1) at predetermined angle intervals; an armature-print-needle assembly (7,8,9,10) having a circular resilient spring (7), a plurality of armatures (8) and a plurality of print needles (9) placed on the sandwich structure (1,3,5) so that the sandwich structure (1,3,5), electromagnets (2,4) and the armatures (8) provide first a substantially closed magnetic path; and an adjusting yoke (12) attached to the sandwich structure (1,3,5). The adjusting yoke (12) has the magnetic characteristics that the magnetic reluctance increases as the temperature increases. Although the flux generated by the permanent magnet (3) is changed due to the change of the temperature, that flux change is compensated for by the presence of the adjusting yoke (12).
摘要翻译： 提供一种串行打印机头，其包括第一圆形磁轭板（1），圆柱形磁体（3）和环形第二磁轭板（5）的夹层结构（1,3,5）。 多个电磁体（2,4），其以预定的角度间隔定位在所述第一磁轭板（1）上; 具有圆形弹性弹簧（7）的电枢印刷针组件（7,8,9,10），放置在夹层结构（1,3）上的多个电枢（8）和多个印刷针（9） ，5），使得夹层结构（1,3,5），电磁体（2,4）和电枢（8）首先提供基本封闭的磁路; 以及安装在所述夹层结构（1,3,5）上的调节轭（12）。 调节磁轭（12）具有随着温度升高磁阻增加的磁特性。 尽管永磁体（3）产生的磁通量由于温度的变化而改变，但通过调节磁轭（12）的存在来补偿磁通变化。
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公开(公告)号：US4433926A
公开(公告)日：1984-02-28
申请号：US404035
申请日：1982-08-02
申请人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama , Mitsuo Iwama
发明人： Minoru Isobe , Hiroshi Kikuchi , Minoru Teshima , Tadasi Kodama , Mitsuo Iwama
摘要： A printer head having a circular first yoke, a cylindrical permanent magnet fixed on the circular first yoke, a (n) number of electromagnets (n is an integer) positioned on a circle on the first yoke within the permanent magnet having predetermined angle intervals, a ring shaped second yoke fixed on the permanent magnet so that the upper surface of the second yoke is on the same plane as that of the upper surface of the electromagnets, a ring shaped spacer positioned on the second yoke, a disk shaped spring fixed on the spacer having a common outer ring and a (n) number of projections projected in the internal direction from the common outer ring, (n) number of armatures each fixed on each projection of the spring, (n) number of print needles each fixed to each armature so that a print needle is perpendicular to the plane of the spring, a circular yoke plate fixed on the spring having (n) number of radial slits for accepting the armatures and the width of each slit being narrower than the width of projection of the spring, a guide frame fixed on the yoke plate having a ring and a hollow cylindrical post positioned at the center of the ring, the post having a guide slit at the top of the guide frame for accepting the tops of the aligned print needles, a side hole at the side of the post at the extension of the guide slit being provided. And an oil felt being provided on the inner wall of the permanent magnet.
摘要翻译： 一种具有圆形第一磁轭，固定在圆形第一磁轭上的圆柱形永久磁铁，位于永磁体内具有预定角度间隔的第一磁轭上的圆周上的（n为整数）的（n）整数）的打印头， 固定在永磁体上的环形第二磁轭，使得第二磁轭的上表面位于与电磁体的上表面相同的平面上，位于第二磁轭上的环形间隔件，固定在第二磁轭上的盘形弹簧 所述间隔件具有共同的外环和从公共外圈在内部方向上突出的（n）个突起，（n）个固定在弹簧的每个突起上的电枢数量，（n）每个固定的打印针数量 到每个电枢，使得打印针垂直于弹簧的平面，固定在弹簧上的圆形轭板，其具有用于接纳电枢的（n）个数量的径向狭缝，并且每个狭缝的宽度比 弹簧的突出宽度，固定在具有环的轭板上的引导框架和位于环的中心的中空圆柱形柱，该柱在引导框架的顶部具有引导狭缝，用于接收 对准的打印针，提供在引导狭缝的延伸部处的柱的侧面处的侧孔。 并且在该永磁体的内壁上设置有油感。
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