Patent ID: 8459754

Claim:
A washing machine, comprising: a casing; a top cover installed on an upper surface of the casing; a door installed at the top cover, through which inside of the casing is opened and closed; and a hinge assembly configured to provide a damping force when the door is opened and closed, the hinge assembly comprising: a first hinge portion insertion-fixed to the top cover; and a second hinge portion extending from the first hinge portion, the second hinge portion being formed in a cylindrical shape and having a cavity therein, the second hinge portion provided with slots extending along a circumferential direction so as to have a length corresponding to an open state and a closed state of the door, respectively, to determine a range of motion of the door, and provided with spring fixing holes spaced from the slots, the second hinge portion being rotatably inserted into the door so that the door pivots on the second hinge portion between the open and closed states; and a torsion spring inserted into the cavity of the second hinge portion; wherein one end of the torsion spring is fixedly coupled to the door through one of the slots, and another end thereof is insertion-fixed to one of the spring fixing holes.