Patent ID: 8472173

Claim:
An electric apparatus comprising a plurality of key panels with operation surfaces on which keys are arranged facing in one direction, wherein one end of each of said plurality of key panels is connected to a terminal main body via both a first hinge which has a rotatable connection and a second hinge which is in parallel with the first hinge and which has rotatable connection, said plurality of key panels have constitution in which the second hinges are arranged in a line along a direction of a rotation central axis thereof, and a signal line, which transmits operation information form the terminal main body to each of said plurality of key panels, pierces the rotation central axis which is hollow of the second hinges, is divided at a point corresponding to the first hinge of each of said plurality of key panels, and is connected to both the first hinge and inside of a chassis of each of said plurality of key panels via a notch portion on a rotation central axis cylindrical portion of the second hinge that is arranged at a point corresponding to the first hinge.