Patent ID: 9682565
Date: 2017-06-20
CPC Classifications: B41J

Claim:
1. A liquid supply unit mountable to and demountable from an attachment structure, the attachment structure including a bottom wall, an end wall arranged to intersect with the bottom wall, a side wall arranged to intersect with the bottom wall and the end wall, the side wall having a groove indented in a Z-direction, which is perpendicular to the bottom wall, the groove including a wider top, a narrower bottom, and an inclined wall surface, and the side wall having an inclined surface including a gradually decreasing height from the bottom wall on a side of the end wall; and an electrode assembly provided at a position opposed to the end wall; the liquid supply unit comprising: a first surface member facing the bottom wall, when in an attachment state in which the liquid supply unit is attached to the attachment structure; a second surface member facing the side wall, in the attachment state; a third surface member facing the end wall, in the attachment state; a fourth surface member intersecting the first surface member and the second surface member, the fourth surface member opposed to the third surface member; and inclined surface member on the fourth surface member, extending upward in the Z-direction perpendicular to the first surface member and away from the fourth surface member: and a contact portion electrically connectable with the electrode assembly, the contact portion provided on the inclined surface member, wherein the second surface member has a first convex rib elongated in the Z-direction and the first convex rib is configured and located to be received into the groove, in the attachment state, wherein the liquid supply unit is mounted in the attachment structure.