公开(公告)号：US5072240A

公开(公告)日：1991-12-10

申请号：US446734

申请日：1989-12-06

申请人： Yoshinori Miyazawa ,  Hidenori Omae ,  Masanao Matsuzawa ,  Hisashi Miyazawa ,  Takahiro Katakura ,  Osamu Nakamura ,  Norihiko Kurashima

发明人： Yoshinori Miyazawa ,  Hidenori Omae ,  Masanao Matsuzawa ,  Hisashi Miyazawa ,  Takahiro Katakura ,  Osamu Nakamura ,  Norihiko Kurashima

IPC分类号： B41J2/14

CPC分类号： B41J2/14201 ,  B41J2/14282 ,  B41J2/1433 ,  B41J2002/14387 ,  Y10T29/42

摘要： An on-demand type ink jet print head including a drive assembly formed from a vibrating plate formed of a piezoelectric layer with an electrode layer on one surface and an electrically conductive, physically resilient layer on the opposite surface of the piezoelectric layer. The vibrating plate is secured to a base and has two opposing edges defining a free space therebetween. The vibrating plate is slit into a plurality of strips and these strips are cross-slit in the widthwise direction to form a row of reed pieces secured to each opposing edge of the base in a cantilever configuration and extending into the free space from each edge toward the reed pieces extending from the opposite edge with a space therebetween. The reed pieces are electrically and mechanically independent of each other and have negligible electrical and mechanical interference with each other. Selective application of an electric field to the piezoelectric layer causes the reed pieces to deflect and jet ink from the print head onto a recording medium.

公开(公告)号：US5113204A

公开(公告)日：1992-05-12

申请号：US511259

申请日：1990-04-19

申请人： Yoshinori Miyazawa ,  Hidenori Omae ,  Takayuki Ishii ,  Haruhiko Koto ,  Fujio Akahane

发明人： Yoshinori Miyazawa ,  Hidenori Omae ,  Takayuki Ishii ,  Haruhiko Koto ,  Fujio Akahane

IPC分类号： B41J2/14 ,  B41J2/155

CPC分类号： B41J2/155 ,  B41J2/14282 ,  B41J2002/14387

摘要： An ink jet head for a recording apparatus comprises: a nozzle-formed member having a plurality of nozzle orifices; a heating member for heating ink which is solid at ambient temperature to liquefy the ink; a piezoelectric converter spaced apart from the nozzle-formed member for causing the liquefied ink to be loaded between the piezoelectric converter and the nozzle-formed member and for jetting the liquefied ink loaded therebetween through the nozzle-formed member; and a member for relatively displaceably positioning the nozzle-formed member.