Patent ID: 8891244

Claim:
A hinge assembly, for a signal cable to pass through, two ends of the signal cable are connected with an electrical connector, respectively, and the hinge assembly comprises: a first bearing block, having a first fixing plate and a first sleeve, wherein the first sleeve is hollow and has a first sectioned groove axially extending and linked to a hollow space therein; a second bearing block; and a spindle, wherein one end is joined with the first sleeve in a rotatable manner, and the other end is fixed on the second bearing block; wherein at least the one end of the spindle adjacent to the first sleeve is hollow and has an axially extending second groove, such that when the spindle is joined with the first sleeve and rotated relative to the first sleeve to a proper position, the first sectioned groove and the second sectioned groove are linked to form a link channel in which the wire of the signal cable is placed to be accommodated in the hollow space of the first sleeve and the spindle.