Patent ID: 7922281

Claim:
A protection device for an ink cartridge storage unit comprising a storage main body with one side having an opening, and an ink inducing member arranged on a surface of the storage main body facing the side having the opening, in a manner that the ink inducing member vertically protrudes inside the storage main body with respect to the surface, the protection device comprising: a main body; a supporting beam including one end and another end opposite to the one end, the one end of the supporting beam being connected to the main body of the protection device; a funnel member having a narrow conical end and a wide conical end, the narrow conical end being connected to the another end of the supporting beam; and an elastic cap arranged inside the funnel member, wherein the elastic cap seals the ink inducing member in an engaged state; wherein when the protection device is angled toward a direction, a part of the wide conical end corresponding to the direction makes contact with the surface where the ink inducing member is arranged and slides thereon.