US Patent 7277275 Portable computer having adjustable display

A portable computer having a display connected to a main body, the display rotating to be adjusted to a closed position and to a tablet operation position. Arm links between the main body and the display connect the display with the main body. Display hinges are between the display and a first end of each of the arm links and by which the display rotates about the arm links centering on a first rotation axis. Main body hinges are between the main body and a second end each of the arm links and by which the arm links rotates about the main body centering on a second rotation axis parallel with and spaced from the first rotation axis. A connecting link connected to each of the main body hinges to rotate about the main body centering on the second rotation axis together with the arm links.