Patent attributes
A mobile terminal comprises a first frame, a second frame slidably moves with respect to the first frame in a first direction to switch from a first state to a second state and in a second direction, to switch the second state to the first state, and a driving unit configured to control a slide movement of the second frame, wherein the driving unit includes a motor coupled to the first frame, a pinion gear rotated by a rotational force transferred from the motor, a first rack gear extended in the first direction, moving in the first direction or the second direction in accordance with rotation of the pinion gear, and a second rack gear disposed to be overlapped with the first rack gear in a thickness direction at the first state and disposed to release an overlap state with the first rack gear at the second state.