US Patent 11997223 Mobile terminal

In a mobile terminal of the present disclosure, the open portion of an extended part is covered when a state is changed to a second state so that the inside of the mobile terminal can be protected, the mobile terminal comprising: a first frame; a second frame moved in a first direction from the first frame so as to change from a first state to the second state a central bracket rotatably coupled to one side of the first frame or the second frame; and a spiral spring having an inner end portion fixed to the central bracket, and an outer end portion fixed to the other side of the first frame or the second frame, wherein the spiral spring is spirally wound in the first state and unwound in the second state.