Foldable electronic apparatus having a hollow hinge assembly through which a flexible cable is routed

Claim 1

An electronic apparatus comprising: a main body unit including a lower body and an upper body which are connected together; a keyboard unit; hinge means mechanically connecting said main body unit with said keyboard unit; and a flexible cable electrically connecting said main body unit with said keyboard unit; said hinge means including (a) a first hinge portion including a first hinge connected to a longitudinal edge of said lower body, a second hinge connected to said longitudinal edge, a firs semicircular member connected to said longitudinal edge and disposed between and coaxial with said first hinge and said second hinge, and a second semicircular member connected to a longitudinal edge of said upper body to form a first tubular member with said first semicircular member, (b) a second hinge portion including a third hinge, a fourth hinge and a second tubular member each connected to a longitudinal edge of said keyboard unit, said second tubular member being disposed between and coaxial with said third hinge and said fourth hinge, said cable passing through said first and second tubular members, and (c) a holding member provided between said main body unit and said keyboard unit and rotatably holding said first, second, third and fourth hinges so as to enable said keyboard unit to rotate relative to said main body unit about said first, second, third and fourth hinges.