Patent ID: 7505255

Claim:
A console KVM module comprising: a main base; a flat panel display module; and a hinge linking the flat panel display module with the main base such that the flat panel display module can fold against or unfold away from the main base, the hinge comprising: a fixed part, secured to the main base; a shaft; a swiveled part, secured to the flat panel display module, the swiveled part pivotally connected with the fixed part by the shaft; a torsion part, disposed around the shaft and engaged in the fixed part and the swiveled part at two ends, wherein the torsion part comprises a spring disposed around the shaft, one end of the spring extending beyond a diameter of the spring and engaging with a hole formed in the swiveled part, wherein the torsion part provides an assisting torsion while folding and unfolding the flat panel display module, wherein the fixed part comprises a U-shaped metal and the torsion part is accommodated by a concave portion of the U-shaped metal; wherein the hinge further comprises a hollow cylinder, positioned between the shaft and the torsion part, to prevent thereof from interfering with each other.