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    Ink jet recording head
    5.
    发明授权
    Ink jet recording head 失效
    喷墨记录头

    公开(公告)号：US5548314A

    公开(公告)日：1996-08-20

    申请号：US241974

    申请日：1994-05-12

    申请人： Noriaki Okazawa ,  Takahiro Naka ,  Shinji Yasukawa

    发明人： Noriaki Okazawa ,  Takahiro Naka ,  Shinji Yasukawa

    IPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/16 ,  B41J20/45

    CPC分类号： B41J2/14274 ,  B41J2002/14387

    摘要： An ink jet recording head for ejecting ink drops by expanding or shrinking a pressure generation chamber of an ink flow route forming member consisting of nozzle openings, the pressure generation chamber, an ink supply port, and a reservoir. Piezoelectric vibrators are disposed and fixed in a row with a predetermined pitch, to a piezoelectric vibrator support plate having excellent cutting properties and the piezoelectric vibrator support plate is fixed to a base made of material having a larger rigidity than the support plate. If the piezoelectric vibrator support plate receives reaction forces when ink is ejected, the base having a larger rigidity than the support plate resists the reaction force and suppresses undesired displacement of the contiguous piezoelectric vibrators.

    摘要翻译： 一种喷墨记录头，用于通过扩展或收缩由喷嘴开口，压力产生室，供墨口和储存器组成的墨流路形成构件的压力产生室来喷射墨滴。 将压电振动器以预定的间距排成一行固定在具有优良切割性能的压电振动器支撑板上，并且将压电振动器支撑板固定在由比支撑板更大刚性的材料制成的基座上。 如果压电振动器支撑板在喷射墨时受到反作用力，则具有比支撑板更大的刚性的基座抵抗反作用力并且抑制相邻的压电振动器的不期望的位移。

    Ink jet recording head utilizing a vibration plate having diaphragm portions and thick wall portions
    7.
    发明授权
    Ink jet recording head utilizing a vibration plate having diaphragm portions and thick wall portions 失效
    喷墨记录头利用具有隔膜部分和厚壁部分的振动板

    公开(公告)号：US5710584A

    公开(公告)日：1998-01-20

    申请号：US349992

    申请日：1994-11-29

    申请人： Kazunaga Suzuki ,  Minoru Usui ,  Noriaki Okazawa ,  Kazuhiko Miura ,  Takahiro Naka

    发明人： Kazunaga Suzuki ,  Minoru Usui ,  Noriaki Okazawa ,  Kazuhiko Miura ,  Takahiro Naka

    IPC分类号： B41J2/045 ,  B41J2/055 ,  B41J2/14 ,  B41J2/16

    CPC分类号： B41J2/14274 ,  B41J2002/14387

    摘要： An ink jet recording head formed by laminating and fixing: a flow path forming plate having through holes for defining pressure producing chambers, ink supply inlets, and a common ink chamber, a nozzle plate having nozzle openings communicating with the pressure producing chambers, and a vibration plate having diaphragm portions that are resiliently deformed in response to displacement of piezoelectric vibration elements one upon another with an adhesive so as to be watertight. The vibration plate has frame-like thick wall portions that extend as far as to the ink supply inlet side of the pressure producing chamber as well as to the inner side of the nozzle opening, and portions closer to a piezoelectric vibration element than to both ends of the pressure producing chamber are made to be supported by a base. As a result of this construction, a nonsupported region of the pressure producing chamber can be shortened, which in turn improves the rigidity of a substrate unit as a whole.

    摘要翻译： 一种通过层压和固定形成的喷墨记录头：具有用于限定压力产生室，供墨入口和公共墨水室的通孔的流路形成板，具有与压力产生室连通的喷嘴开口的喷嘴板，以及 振动板具有响应于压电振动元件彼此以粘合剂的位移而弹性变形以便防水的隔膜部分。 振动板具有框状的厚壁部分，其延伸到压力产生室的供墨入口侧以及喷嘴开口的内侧，并且比两端更靠近压电振动元件的部分 的压力产生室由基座支撑。 作为这种结构的结果，可以缩短压力产生室的非支撑区域，从而提高基板单元整体的刚性。