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公开(公告)号：US07077511B2
公开(公告)日：2006-07-18
申请号：US10647797
申请日：2003-08-26
申请人： Osamu Machida , Tomohiko Koda , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
发明人： Osamu Machida , Tomohiko Koda , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
CPC分类号： B41J2/1623 , B41J2/14274 , B41J2/1612 , B41J2/1632 , B41J2002/14403 , Y10T29/49401
摘要： A chamber support plate of an inkjet head is formed as a member different from a housing. The chamber support plate is formed with a plurality of grooves at high density by a dicing saw or the like. Piezoelectric elements are inserted into the grooves and adhered to a chamber plate. The plurality of grooves define comb teeth portions, which support the chamber plate at positions between adjacent piezoelectric elements.
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公开(公告)号：US20060187274A1
公开(公告)日：2006-08-24
申请号：US11376291
申请日：2006-03-16
申请人： Osamu Machida , Tomohiko Koda , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
发明人： Osamu Machida , Tomohiko Koda , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
IPC分类号： B41J2/045
CPC分类号： B41J2/1623 , B41J2/14274 , B41J2/1612 , B41J2/1632 , B41J2002/14403 , Y10T29/49401
摘要： A chamber support plate of an inkjet head is formed as a member different from a housing. The chamber support plate is formed with a plurality of grooves at high density by a dicing saw or the like. Piezoelectric elements are inserted into the grooves and adhered to a chamber plate. The plurality of grooves define comb teeth portions, which support the chamber plate at positions between adjacent piezoelectric elements.
摘要翻译： 喷墨头的室支撑板形成为与壳体不同的构件。 腔室支撑板通过切割锯等以高密度形成多个凹槽。 将压电元件插入槽中并粘附到室板上。 多个槽限定梳齿部分，其将室板支撑在相邻的压电元件之间的位置。
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公开(公告)号：US07131718B2
公开(公告)日：2006-11-07
申请号：US10867714
申请日：2004-06-16
IPC分类号： B41J2/045
CPC分类号： B41J2/14274
摘要： A housing of inkjet head has a projection that is formed with a plurality of opening grooves defined between adjacent two of projecting parts, and tip ends of the projecting parts are fixed to a diaphragm plate. Piezoelectric elements are inserted in respective opening grooves and fixed to a diaphragm of the diaphragm plate at positions opposite respective pressure chambers.
摘要翻译： 喷墨头的壳体具有形成有在相邻的两个突出部分之间限定的多个开口槽的突起，并且突出部分的尖端固定到隔膜板。 将压电元件插入相应的开口槽中并且在相应的压力室相对的位置处固定到隔膜板的隔膜。
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公开(公告)号：US07090340B2
公开(公告)日：2006-08-15
申请号：US10725379
申请日：2003-12-03
CPC分类号： B41J2/045 , B41J2/14274 , B41J2202/11 , B41J2202/20
摘要： An inkjet recording head includes: a nozzle plate having nozzles arranged in a row; a plurality of pressure generating chambers communicating to the nozzles, the plurality of pressure generating chambers including a first pressure generating chamber and a second pressure generating chamber; a diaphragm formed on one face of the pressure generating chamber; a common ink chamber for supplying the ink to the plurality of pressure generating chambers; and a piezoelectric element for displacing the diaphragm. The first pressure generating chamber is disposed on one side of the nozzles and a second pressure generating chamber is disposed on the other side. The first and second pressure generating chambers are opposed to each other across the nozzles so that the central lines of the first and second pressure generating chambers are almost coincident.
摘要翻译： 喷墨记录头包括：喷嘴板，其具有排列成一排的喷嘴; 多个与喷嘴连通的压力产生室，多个压力发生室包括第一压力发生室和第二压力发生室; 形成在所述压力发生室的一个面上的隔膜; 用于将油墨供应到多个压力发生室的常用油墨室; 以及用于移动隔膜的压电元件。 第一压力发生室设置在喷嘴的一侧，另一侧设置第二压力发生室。 第一和第二压力产生室在喷嘴之间彼此相对，使得第一和第二压力发生室的中心线几乎重合。
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公开(公告)号：US07413294B2
公开(公告)日：2008-08-19
申请号：US10788349
申请日：2004-03-01
CPC分类号： B41J2/14274 , B41J2/14233 , B41J2/145 , B41J2002/14362 , B41J2002/14491 , B41J2202/20
摘要： An inkjet head includes a common ink puddle section, a nozzle plate having a plurality of nozzle orifices, an ink flow channel substrate having grooves communicating from the common ink puddle section to the nozzle orifices, and being formed alternatively in front and back surfaces of the ink flow channel substrate, to end sections of the grooves the nozzle plate being fixed, a chamber plate being stacked on the ink flow channel substrate, and having pressure generation chambers corresponding to the nozzle orifices, a diaphragm stacking on the chamber plate opposite from the ink flow channel substrate, a pressure generator provided on the diaphragm for the respective pressure generation chambers to generate a change in an internal pressure. Preferably, a volumetric capacity of the pressure generation chambers is changed in accordance with a change in the pressure, to eject an ink droplet from the nozzle orifice.
摘要翻译： 喷墨头包括公用墨水池区段，具有多个喷嘴孔口的喷嘴板，具有从公共墨水池区段连接到喷嘴孔口的槽的墨水流道基板，并且在该喷嘴孔的前表面和后表面中交替形成 墨水流路基板，固定有喷嘴板的凹槽的端部，在油墨流路基板上堆叠的室板，具有与喷嘴孔对应的压力产生室，在与该喷嘴孔相对的室板上堆叠的膜片 墨水流路基板，设置在各个压力发生室的隔膜上的压力发生器，以产生内部压力的变化。 优选地，压力产生室的体积容量根据压力的变化而改变，以从喷嘴孔排出墨滴。
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公开(公告)号：US07494210B2
公开(公告)日：2009-02-24
申请号：US11179807
申请日：2005-07-13
CPC分类号： B41J2/14233 , B41J2/055
摘要： An inkjet recording head includes a base member, an ink channel unit, a plurality of piezoelectric elements, and a dynamic vibration absorber. The ink channel unit is formed with a plurality of nozzle holes and a plurality of ink pressure chambers. The ink channel unit includes a diaphragm that defines part of each ink pressure chamber. Each piezoelectric element has one end fixed to the base member and another end attached to the diaphragm. Each piezoelectric element generates displacement in a displacement direction for deforming the diaphragm to eject ink droplets through a corresponding one of the plurality of nozzle holes. The dynamic vibration absorber is mounted on the base member for damping vibrations of the base member due to a resonance, the resonance occurring in a frequency range less than or equal to a predetermined frequency.
摘要翻译： 喷墨记录头包括基底构件，墨水通道单元，多个压电元件和动态吸振体。 墨水通道单元形成有多个喷嘴孔和多个墨水压力室。 油墨通道单元包括限定每个墨压力室的一部分的隔膜。 每个压电元件的一端固定在基座件上，另一端固定在隔膜上。 每个压电元件在位移方向上产生位移，以使膜片变形以通过多个喷嘴孔中的相应一个喷射墨滴。 动态吸振器安装在基座构件上，用于由于共振而阻尼基座构件的振动，在小于或等于预定频率的频率范围内发生共振。
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公开(公告)号：US20060012647A1
公开(公告)日：2006-01-19
申请号：US11179807
申请日：2005-07-13
CPC分类号： B41J2/14233 , B41J2/055
摘要： An inkjet recording head includes a base member, an ink channel unit, a plurality of piezoelectric elements, and a dynamic vibration absorber. The ink channel unit is formed with a plurality of nozzle holes and a plurality of ink pressure chambers. The ink channel unit includes a diaphragm that defines part of each ink pressure chamber. Each piezoelectric element has one end fixed to the base member and another end attached to the diaphragm. Each piezoelectric element generates displacement in a displacement direction for deforming the diaphragm to eject ink droplets through a corresponding one of the plurality of nozzle holes. The dynamic vibration absorber is mounted on the base member for damping vibrations of the base member due to a resonance, the resonance occurring in a frequency range less than or equal to a predetermined frequency.
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8.发明授权Liquid ejection head, liquid-droplet ejection device, and image forming apparatus 有权液体喷射头，液滴喷射装置和图像形成装置公开(公告)号：US08348407B2
公开(公告)日：2013-01-08
申请号：US12822522
申请日：2010-06-24
IPC分类号： B41J2/175
CPC分类号： B41J2/14233 , B41J2002/14362 , B41J2002/14403 , B41J2002/14419
摘要： A liquid ejection head includes nozzles, separate chambers, a common chamber, inlet portions, a filter unit, and ribs. Droplets of liquid are ejected from the nozzles. The separate chambers are communicated with the nozzles. The inlet portions are communicated with the corresponding separate chambers. Liquid is supplied from the common chamber to the separate chambers through the inlet portions. The filter unit is disposed between the inlet portions and the common chamber to filter liquid in an area across the separate chambers in a first direction in which the nozzles are arrayed. The ribs are disposed in the filter unit at intervals corresponding in size to at least two of the separate chambers in the first direction to partition the filter unit. The inlet portions are communicated in the first direction with each other in at least one portion of each of the inlet portions facing the filter unit.
摘要翻译： 液体喷射头包括喷嘴，分离的室，公共室，入口部分，过滤器单元和肋。 液体的液滴从喷嘴喷出。 分开的室与喷嘴连通。 入口部分与相应的分开的室连通。 液体通过入口部分从公共室供应到分开的室。 过滤器单元设置在入口部分和公共室之间，以在喷嘴排列的第一方向上跨过分离的室的区域中的液体进行过滤。 这些肋沿着第一方向以与尺寸相对应的至少两个分离室的间隔设置在过滤器单元中，以分隔过滤器单元。 每个入口部分的至少一部分面向过滤器单元，入口部分在第一方向上彼此连通。
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公开(公告)号：US20060197809A1
公开(公告)日：2006-09-07
申请号：US11364159
申请日：2006-03-01
申请人： Satoru Tobita , Ryouta Matsufuji , Tomohiko Koda
发明人： Satoru Tobita , Ryouta Matsufuji , Tomohiko Koda
IPC分类号： B41J2/045
CPC分类号： B41J2/1612 , B41J2/14274 , B41J2/1623 , B41J2/1628 , B41J2/1629 , B41J2/1631 , B41J2/1632 , B41J2002/14403 , B41J2002/14491
摘要： An inkjet recording head includes a nozzle plate, chamber plate, and a diaphragm plate. The nozzle plate includes a plurality of nozzles for ejecting ink droplets, a plurality of connecting channels in communication with the nozzles and pressure chambers. The nozzles are formed in a row at a uniform pitch. The connecting channels extend from the nozzles alternately in opposite directions in a staggered formation and are offset a prescribed angle to a direction orthogonal to the row of nozzles. The chamber plate includes the pressure chambers, restrictors, and common ink chambers formed therein. Each pressure chamber has an elongated shape extending in a direction orthogonal to the row of nozzles. The pressure chambers are formed in rows, one on either side of the row of nozzles, so that the pressure chambers in one row oppose the corresponding pressure chambers in the other row. The diaphragm plate has a vibration plate that seals the pressure chambers.
摘要翻译： 喷墨记录头包括喷嘴板，室板和隔膜板。 喷嘴板包括用于喷射墨滴的多个喷嘴，与喷嘴和压力室连通的多个连接通道。 这些喷嘴以均匀的间距一行地形成。 连接通道以交错的形式在相反的方向上从喷嘴交替地延伸，并且与垂直于喷嘴列的方向偏移规定的角度。 室板包括形成在其中的压力室，限流器和常见的油墨室。 每个压力室具有在与该排喷嘴正交的方向上延伸的细长形状。 压力室形成为排，排在一排喷嘴的两侧，使得一列中的压力室与另一排中的相应的压力室相对。 隔膜板具有密封压力室的振动板。
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公开(公告)号：US20060044364A1
公开(公告)日：2006-03-02
申请号：US11214822
申请日：2005-08-31
IPC分类号： B41J2/045
CPC分类号： B41J2/14274 , B41J2/1612 , B41J2/1623
摘要： An ink jet head comprising: a common ink chamber for storing an ink supplied from an ink supply part; an ink supply path for supplying the ink stored in the common ink chamber; a pressure chamber to which the ink is supplied via the ink supply path; and a nozzle for discharging the ink in the pressure chamber in accordance with a pressure change in the pressure chamber. The components being constructed by stacking a plurality of thin plate members, wherein a plurality of the ink supply paths are arranged in parallel.
摘要翻译： 一种喷墨头，包括：用于存储从供墨部分供应的油墨的公共油墨室; 用于供应存储在公共墨水室中的墨水的墨水供应路径; 经由供墨路径供给墨水的压力室; 以及用于根据压力室中的压力变化排出压力室中的墨的喷嘴。 所述部件通过堆叠多个薄板构件而构成，其中多个供墨路径平行配置。
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