Patent ID: 8646890
Filing Date: 2014-02-11
Classification: B41J

Abstract:
1. An opening and closing structure of ink cartridge, the ink cartridge having a cartridge body and a lid, engaged to form a container to house a replaceable ink bag, characterized in that: each of two corresponding sides of the lid where the lid and cartridge body engage being disposed with at least a protruding hook element; each of two corresponding long side walls of the cartridge body being disposed with at least a latch unit; the latch unit comprising a trench and a resilient latch element; when assembled, the protruding hook element being inserted into the trench of the cartridge body; the resilient latch element pressing against the edge of the protruding hook element to fix the respective position of the two elements; to disengage the lid form the cartridge body, moving the lid laterally so that the protruding hook element moving along the trench to disengage from the resilient latch element; the lid being lifted to disengage from the cartridge body.