Folding electric device having perpendicular and horizontal shafts

摘要

A folding electric has an upper unit and lower unit. A hinge connects the upper unit to the lower unit. The hinge includes at least a perpendicular opening and closing shaft to open and close the upper unit with respect to the lower unit and a horizontal rotation shaft, fixed vertically to the surface of the lower unit, to rotate the upper unit with respect to the lower unit coming in contact with each other.