Patent ID: 9199476
Filing Date: 2015-12-01
Classification: B41J

Abstract:
1. A cartridge having a liquid receiving chamber configured to receive a liquid therein, the cartridge being configured to be mounted to a holder of a printer and to be detached from the holder by rotation, the holder having a hole portion, a regulating unit, a plurality of electric contact members, and a liquid supply tube covered with a filter, the cartridge comprising: a first wall surface portion having a liquid supply hole configured to flow the liquid toward the liquid supply tube via the filter; a second wall surface portion having a concave portion configured to be inserted into by the regulating unit; a third wall surface portion opposite to the second wall surface portion and having a protrusion portion configured to insert into the hole portion, the liquid supply hole being located at a portion closer to the third wall surface portion than the second wall surface portion; a fourth wall surface portion opposite to the first wall surface portion; and a terminal group located at the second wall surface portion and configured to be electrically connected the plurality of electric contact members, the concave portion being located at a position closer to the first wall surface portion than the terminal group, wherein, in a condition that a first direction is defined as a direction from the first wall surface portion toward the fourth wall surface portion, a second direction is defined as a direction from the third wall surface portion toward the second wall surface portion and is perpendicular to the first direction, and a third direction is defined as a direction perpendicular to the first and second directions, the first wall surface portion is located, with respect to the liquid receiving chamber, at the first direction, the second wall surface portion is located, with respect to the liquid receiving chamber, at the second direction, the third wall surface portion is located, with respect to the liquid receiving chamber, at a direction that is oppose to the second direction, the fourth wall surface portion is located, with respect to the liquid receiving chamber, at a direction that is opposite to the first direction, the concave portion is opened to the first and second directions, and the movement of the cartridge with respect to the holder in a direction parallel to the third direction is configured to be regulated when the concave portion is inserted into by the regulating unit in a state that the cartridge is mounted to the holder.