B - Operations – Transporting – 41 – J
Patent
B - Operations, Transporting
41
J
B41J 2/05 (2006.01) B41J 2/14 (2006.01) B41J 2/16 (2006.01)
Patent
CA 2207240
A liquid discharge head comprises a grooved member including plural discharge ports for discharging liquid, plural grooves for respectively constituting first liquid paths directly communicating with the discharge ports, and a recess for constituting a first common liquid chamber communicating with the plural grooves and serving to supply the first liquid paths with liquid, plural element substrates, each including plural heat generating members for generating bubble in the liquid by giving heat thereto and walls of second liquid paths corresponding to each the heat generating members, and arranged along the direction of array of the discharge ports of the grooved member, and a partition wall positioned between the element substrates and the grooved member, and including, in positions respectively opposed to the heat generating members, plural movable members adapted to respectively displace toward the first liquid paths by the pressure of generation of the bubble.
Cette invention concerne une tête d'éjection de liquide comprenant un élément rainuré à orifices d'éjection multiples, la pluralité de rainures matérialisant un premier ensemble de canaux d'écoulement communiquant directement avec les orifices d'éjection, un évidement formant un premier réservoir commun de liquide alimentant les rainures susmentionnées et plusieurs supports d'éléments chauffants conçus pour générer une bulle dans le liquide par chauffage, ainsi que des parois définissant un deuxième ensemble de canaux d'écoulement, un par élément chauffant, orientés vers les orifices d'éjection, et un séparateurs disposé entre les supports d'éléments chauffants et l'élément rainuré et comportant, vis-à-vis chacun des éléments chauffants, des éléments mobiles montés de façon à se déplacer en direction du premier ensemble de canaux d'écoulement sous la pression engendrée par la formation d'une bulle.
Aono Kiyomi
Asakawa Yoshie
Ishinaga Hiroyuki
Kashino Toshio
Kudo Kiyomitsu
Canon Kabushiki Kaisha
Ridout & Maybee Llp
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