Printhead support structure and assembly

Details Printhead support structure and assembly Printhead support structure and assembly

B - Operations, Transporting

41

J

B41J 2/01 (2006.01) B41J 2/14 (2006.01) B41J 2/155 (2006.01) B41J 2/175 (2006.01)

Patent

CA 2414702

An inkjet printhead assembly (1) includes a hollow elongate member (10) having at least one ink supply channel (14) formed therein, the or each ink supply channel (14) being in fluid communication with an elongate slot (21) in and extending at least partly along the elongate member (10). A plurality of printhead segment carriers (8) is received and secured in neighbouring arrangement within the slot (21), and at least one printhead segment (4) is mounted to each printhead segment carrier (8). Each printhead segment carrier (8) includes at least one ink gallery (92) arranged so as to connect the or an associated one of said ink supply channels (14) with an ink inlet (41) of the at least one printhead segment (4) mounted to that printhead segment carrier (8). The inkjet printhead segments (4) are both conveniently supported in the elongate member (10) and supplied with ink, and their printing ranges may overlap longitudinally.

La présente invention concerne un ensemble tête d'impression à jet d'encre (1) qui comprend un élément effilé creux (10) possédant au moins un canal (14) d'alimentation d'encre formé à l'intérieur de celui-ci, ce canal (14) (ou chaque canal) d'alimentation d'encre étant en communication fluidique avec une fente effilée (21) située dans l'élément effilé (10) et se prolongeant au moins en partie dans cet élément. Une pluralité de porteurs (8) de segments de tête d'impression sont reçus et fixés dans un agencement avoisinant dans cette fente (21), et au moins un segment (4) de tête d'impression est monté sur chaque porteur (8) de segment de tête d'impression. Chaque porteur (8) de segment de tête d'impression comprend au moins une galerie à encre (92) agencée de façon à raccorder le canal d'alimentation d'encre (14) (ou un canal associé aux canaux) à un orifice d'entrée d'encre (41) du (des) segment(s) monté sur ce porteur de segment de tête d'impression (8). Ces segments de tête d'impression à jet d'encre (4) sont convenablement supportés dans l'élément effilé (10) et convenablement alimentés en encre, et leurs portées d'impression peuvent de chevaucher longitudinalement.

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