Patent ID: 9022539
Filing Date: 2015-05-05
Classification: B41J

Abstract:
1. An ink cartridge comprising: a cartridge body defining an ink chamber therein for storing ink; an ink supply portion provided at the cartridge body and configured to supply the ink stored in the ink chamber to an outside; an air communication portion provided at the cartridge body, the air communication portion having an inner peripheral wall that defines an air passage and a communication port configured to allow communication between the ink chamber and the air passage, the air communication portion having an aperture exposed to the outside and in communication with the air passage for introducing air into the air passage; a block member configured to move from a first position to a second position, the block member at the first position being disposed in the air passage and configured to block the air passage, the block member at the second position being configured to open the air passage; and a slider configured to contact the block member and slide in a sliding direction along the air passage, wherein the block member is configured to be moved from the first position to the second position by the slider sliding in the sliding direction while contacting the block member, the slider comprising: