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1. 发明授权

US07494210B2 Inkjet recording head having dynamic vibration absorber 有权
标题翻译：具有动态吸振器的喷墨记录头
公开(公告)号：US07494210B2
公开(公告)日：2009-02-24
申请号：US11179807
申请日：2005-07-13
申请人： Takahiro Yamada , Toshiharu Sumiya , Tomohiko Koda , Shinya Kobayashi , Satoru Tobita
发明人： Takahiro Yamada , Toshiharu Sumiya , Tomohiko Koda , Shinya Kobayashi , Satoru Tobita
IPC分类号： B41J2/045 , B41J2/17
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。

2. 发明申请

US20060012647A1 Inkjet recording head having dynamic vibration absorber 有权
公开(公告)号：US20060012647A1
公开(公告)日：2006-01-19
申请号：US11179807
申请日：2005-07-13
申请人： Takahiro Yamada , Toshiharu Sumiya , Tomohiko Koda , Shinya Kobayashi , Satoru Tobita
发明人： Takahiro Yamada , Toshiharu Sumiya , Tomohiko Koda , Shinya Kobayashi , Satoru Tobita
IPC分类号： B41J2/04 , B41J2/045
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.

3. 发明授权

US07077511B2 Housing used in inkjet head 失效
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
IPC分类号： B41J2/045 , B21D53/76
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.

4. 发明申请

US20060187274A1 Housing used in inkjet head 审中-公开
标题翻译：用于喷墨头的外壳
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。

5. 发明授权

US07478898B2 Recording head for inkjet recording device 有权
标题翻译：喷墨记录装置的记录头
公开(公告)号：US07478898B2
公开(公告)日：2009-01-20
申请号：US11303912
申请日：2005-12-19
申请人： Takahiro Yamada , Shinya Kobayashi , Satoru Tobita , Katsuya Kawai , Hitoshi Kida
发明人： Takahiro Yamada , Shinya Kobayashi , Satoru Tobita , Katsuya Kawai , Hitoshi Kida
IPC分类号： B41J2/045 , B41J29/38
CPC分类号： B41J2/14274
摘要： An ink jet recording head unit includes a plurality of nozzle elements, a plurality of piezoelectric elements and a driving unit. The plurality of piezoelectric elements is provided in one-to-one correspondence with the plurality of nozzle elements. Each piezoelectric element has a positive pole and a negative pole. Each piezoelectric element expands and contracts when a voltage potential difference between the positive pole and the negative pole is varied. The plurality of nozzle elements includes a first nozzle element and a second nozzle element adjacent to the first nozzle element. A first piezoelectric element and a second piezoelectric element correspond to the first nozzle element and the second nozzle element respectively. The driving unit controls the first piezoelectric element and the second piezoelectric element to expand and contract in a complementary manner.
摘要翻译：喷墨记录头单元包括多个喷嘴元件，多个压电元件和驱动单元。多个压电元件与多个喷嘴元件一一对应地设置。每个压电元件都有一个正极和一个负极。当正极和负极之间的电压电位差变化时，每个压电元件膨胀和收缩。多个喷嘴元件包括与第一喷嘴元件相邻的第一喷嘴元件和第二喷嘴元件。第一压电元件和第二压电元件分别对应于第一喷嘴元件和第二喷嘴元件。驱动单元控制第一压电元件和第二压电元件以互补的方式膨胀和收缩。

6. 发明申请

US20060132548A1 Recording head for inkjet recording device 有权
公开(公告)号：US20060132548A1
公开(公告)日：2006-06-22
申请号：US11303912
申请日：2005-12-19
申请人： Takahiro Yamada , Shinya Kobayashi , Satoru Tobita , Katsuya Kawai , Hitoshi Kida
发明人： Takahiro Yamada , Shinya Kobayashi , Satoru Tobita , Katsuya Kawai , Hitoshi Kida
IPC分类号： B41J2/045
CPC分类号： B41J2/14274
摘要： An ink jet recording head unit includes a plurality of nozzle elements, a plurality of piezoelectric elements and a driving unit. The plurality of piezoelectric elements is provided in one-to-one correspondence with the plurality of nozzle elements. Each piezoelectric element has a positive pole and a negative pole. Each piezoelectric element expands and contracts when a voltage potential difference between the positive pole and the negative pole is varied. The plurality of nozzle elements includes a first nozzle element and a second nozzle element adjacent to the first nozzle element. A first piezoelectric element and a second piezoelectric element correspond to the first nozzle element and the second nozzle element respectively. The driving unit controls the first piezoelectric element and the second piezoelectric element to expand and contract in a complementary manner.

7. 发明授权

US08348407B2 Liquid ejection head, liquid-droplet ejection device, and image forming apparatus 有权
标题翻译：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
申请人： Ryouta Matsufuji , Hideyuki Makita , Tadashi Mimura , Satoru Tobita , Tomohiko Koda
发明人： Ryouta Matsufuji , Hideyuki Makita , Tadashi Mimura , Satoru Tobita , Tomohiko Koda
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。

8. 发明申请

US20060197809A1 Inkjet recording head 失效
标题翻译：喷墨记录头
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。

9. 发明授权

US07090340B2 Inkjet recording head and inkjet recording apparatus using the same 有权
标题翻译：喷墨记录头和使用其的喷墨记录装置
公开(公告)号：US07090340B2
公开(公告)日：2006-08-15
申请号：US10725379
申请日：2003-12-03
申请人： Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
发明人： Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
IPC分类号： B41J2/045 , B41J2/05
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。

10. 发明授权

US07131718B2 Inkjet head and ejection device 有权
标题翻译：喷墨头和喷射装置
公开(公告)号：US07131718B2
公开(公告)日：2006-11-07
申请号：US10867714
申请日：2004-06-16
申请人： Ryouta Matsufuji , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
发明人： Ryouta Matsufuji , Satoru Tobita , Yoshitaka Akiyama , Toshiharu Sumiya , Yoshikane Matsumoto
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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