Patent ID: 8322171

Claim:
A drum washing machine, comprising: a housing provided with a rectangular front surface at which an opening through which laundry is put into the washing machine is formed; a door connected to the housing to open and close the door, the door having a rectangular shape corresponding to the rectangular front surface of the housing to cover the front surface of the housing; a first hinge unit connecting an upper end of the rectangular door to the housing to enable the housing to rotatably support the upper end of the rectangular door; and a second hinge unit provided between a lower end of the rectangular door and the housing to enable the housing to rotatably support the lower end of the rectangular door, wherein the rectangular door includes a first side adjacent to the first hinge unit, a second side opposite to the first side, an upper surface connecting an upper end of the first side and an upper end of the second side, and a lower surface connecting a lower end of the first side and a lower end of the second side, wherein the housing includes a supporting surface disposed to face the lower surface of the door, and wherein the second hinge unit includes a hinge protrusion extending downwardly from the lower surface of the rectangular door, and a hinge hole provided at the supporting surface of the housing such that the hinge protrusion is inserted into the hinge hole and a load of the door is supported on the supporting surface of the housing.