Patent ID: 8876268
Filing Date: 2014-11-04
Classification: B41J

Abstract:
1. An ink cartridge comprising: a substantially box-shaped case and that includes at least a first wall portion and a second wall portion that are a pair of plate-shaped wall portions arranged to oppose each other; a bag-shaped ink bag that stores ink inside and that includes a spout through which the ink can be drawn out, the ink bag being housed in the case such that the spout is disposed in the vicinity of a first end of the first wall portion and an axial line of the spout extends substantially in parallel to a longitudinal direction of the first wall portion, the first end being one of ends positioned in the longitudinal direction of the first wall portion; a first protruding portion that protrudes from an outer surface of the first wall portion and protrudes away from the second wall portion in a first direction, the first direction being a direction in which the first wall portion and second wall portion are opposed to each other, the first protruding portion being disposed along the first end of the first wall portion, and being separated from both ends positioned in a second direction of the first wall portion, the second direction being orthogonal to the longitudinal direction of the first wall portion; and a second protruding portion that protrudes from the outer surface of the first wall portion and protrudes away from the second wall portion in the first direction, the second protruding portion being disposed along the first end of the first wall portion, being separated from the first protruding portion, and also being separated from the both ends positioned in the second direction, wherein at least the first protruding portion is formed by indenting an area of the first wall portion along the first end away from the second wall portion in the first direction, the spout is fixed to the first protruding portion and housed in a housing space that is formed by the first protruding portion, and a maximum dimension of the spout in the first direction is larger than a distance between a largest area portion of the first wall portion and a largest area portion of the second wall portion in the first direction.