Patent ID: 8894184

Claim:
A cover that is removably attachable to a liquid container, the liquid container attachable to a liquid discharge apparatus, the liquid container including: a first surface having a wall and a liquid communication portion, the wall surrounding the liquid communication portion, a liquid accommodation portion, the communication portion communicating with the liquid accommodation portion and supplying liquid to the liquid discharge apparatus; a second surface, which intersects with the first surface; a third surface, which intersects with the first surface and is opposite to the second surface; a fourth surface, which intersects the first surface, the second surface, and the third surface; a fifth surface, which intersects the first surface, the second surface, the third surface and is opposite to the fourth surface, the fourth surface having a rib protruding in a direction from the fifth surface toward the fourth surface; and a sixth surface, which intersects the second surface, the third surface, the fourth surface, and the fifth surface, and is opposite to the first surface, the wall protruding from the first surface in a direction from the sixth surface toward the first surface, the cover comprising: a bottom portion having a protrusion protruding in a direction from the sixth surface toward the first surface when the cover is attached to the liquid container, the protrusion being configured to receive an insertion of the wall into the protrusion; a first side wall portion intersecting the bottom portion, the first side wall portion facing the second surface of the liquid container when the cover is attached to the liquid container; a second side wall portion intersecting the bottom portion and opposite to the first side wall portion, the second side wall portion facing the third surface of the liquid container when the cover is attached to the liquid container; a third side wall portion intersecting the bottom portion, the first side wall portion, and the second side wall portion, the third side wall portion facing the fourth surface of the liquid container when the cover is attached to the liquid container, the third side wall portion having an engagement hole configured to receive an insertion of the rib into the engagement hole, when the cover is attached to the liquid container; and a top pawl portion intersecting the first side wall portion and opposite to the bottom portion, the top pawl portion being configured to be contacted with the sixth surface of the liquid container when the cover is attached to the liquid container.