Patent ID: 7789487
Filing Date: 2010-09-07
Classification: B41J

Abstract:
1. An ink cartridge holding device for holding an ink cartridge, comprising: a holder holding the ink cartridge and having an opening so as to allow the ink cartridge to be inserted thereinto and withdrawn therefrom through the opening; a door which is attached to the holder and is pivotable between (a) an open position at which the opening is uncovered for permitting insertion and withdrawal of the ink cartridge through the opening into and from the holder and (b) a closed position at which the opening is covered for inhibiting the insertion and withdrawal of the ink cartridge through the opening; a locking member which is attached to the door and is displaceable relative to the door, and which has an exposed portion exposed in a front face of the door that is opposite to a rear face facing an interior of the holder, the locking member being arranged to lock the door at the closed position in a state in which the locking member is placed in a predetermined position, and to permit the door to be pivoted toward the open position in a state in which the locking member is displaced from the predetermined position; and a protruding portion which is provided in a vicinity of the exposed portion so as to allow the locking member to be displaced and which protrudes by a greater amount than the exposed portion in a direction away from the front face of the door, wherein the locking member has an engaging portion located at a position in which the engaging portion engages with an engaged portion provided on the holder so as to lock the door at the closed position, while being released from the engaged portion due to displacement of the locking member so as to permit the door to be pivoted toward the open position.