Liquid cartridge and print head for an ink-jet printer

B - Operations – Transporting – 41 – J

Patent

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Details

B41J 2/175 (2006.01)

Patent

CA 2193333

The liquid cartridge 1 of the invention has a housing 25 containing a liquid. A wall 27 of the cartridge has an opening 31 for placement on a stub 11 of a print head 2. The opening 31 also has a sealing ridge 32 protruding in the direction of an axis of the opening 31 which exerts a sealing effect against a frontal surface 21 of a packing ring 17 of the print head 2. A locking shoulder 33 approximately parallel to the wall 27 in which the opening is formed is engaged with a counter shoulder 34 of the print head 2. The liquid cartridge formed according to the present invention is manufactured economically and is easily positioned in a proper position in the print head.

artouche à liquide 1 munie d'un bâti 25 contenant un liquide. Une paroi 27 de la cartouche a une ouverture 31 pour l'installer sur un ergot 11 de la tête d'impression 2. L'ouverture 31 a aussi une arête d'étanchéité 32 en saillie dans le sens de l'axe de l'ouverture 31 exerçant une action d'étanchéité sur une surface frontale 21 d'une bague d'étanchéité 17 de la tête d'impression 2. Un épaulement de verrouillage 33 à peu près parallèle à la paroi 27 dans laquelle se trouve l'ouverture est engagé dans un épaulement opposé de la tête d'impression 2. La cartouche à liquide formée selon la présente invention est fabriquée de façon économique et est facilement insérée dans la bonne position dans la tête d'impression.

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