Constant flow ink delivery system

Details Constant flow ink delivery system Constant flow ink delivery system

B - Operations, Transporting

41

J

B41J 2/16 (2006.01) B41J 2/145 (2006.01) B41J 2/175 (2006.01)

Patent

CA 2219993

An ink delivery system for an ink jet printer having a print carriage (16) that traverses across a print medium having an ink source (48), a print head (28), and a coupler for coupling the ink source to the print head. The coupler includes a pair of flexible tubes (40, 42) for carrying the ink and a Y- coupler (44), coupled for coupling to the pair of flexible tubes and the ink source, the Y-coupler causing the pair of flexible tubes to initially diverge. A check valve (36) is provided to prevent back siphoning.

Ce système d'apport d'encre est destiné à une imprimante à jet d'encre présentant un chariot d'impression (16) se déplaçant transversalement par rapport au support d'impression, lequel chariot comprend une source d'encre (48), une tête d'impression (28), ainsi qu'un dispositif d'accouplement servant à relier la source d'encre à la tête d'impression, ce dispositif comportant une paire de tubes flexibles (40, 42) destinés au transport de l'encre, ainsi qu'un raccord en Y couplé à cette paire de tubes flexibles et à la source d'encre, ledit raccord en y forçant la paire de tubes à diverger. On a monté un clapet de non-retour (36) afin d'empêcher le siphonnement en sens inverse de l'encre.

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