Patent ID: 8555767

Claim:
An apparatus for collecting an empty cartridge, the apparatus comprising: a bracket disposed to be spacing from one or more surfaces of a breech ring for accommodating a cannon barrel therein; an operation pin mounted to the breech ring adjacent to the bracket; an upper link rotatably mounted to one surface of the bracket, and configured to slidingy contact the operation pin; a lower link concentric with the upper link, rotatably mounted to one surface of the bracket, and rotating together with the upper link by being engaged with the upper link at a specific angle; and a collecting unit having one end connected to the lower link, and configured to be unfolded such that an empty cartridge extracted from the cannon barrel is collected in the collecting unit, wherein when the cannon barrel forward moves, the lower link rotates by being engaged with the upper link as the operation pin slides on the upper link, and the collecting unit is unfolded such that the empty cartridge is collected in the collecting unit.