Patent ID: 8289686

Claim:
A portable computing device comprising: a base; a display rotatably connected to the base; and a display positioning mechanism comprising: a first sleeve fixed to the display and comprising a first end wall defining a first through bore and a plurality of first positioning holes extending therethrough; a second sleeve fixed to the base and comprising a second end wall defining a second through bore and a second positioning hole; and a button slidably received in the first sleeve and the second sleeve and comprising a rod, a first annular plate, and a second annular plate, wherein, the rod extends through the first through bore and the second through bore, the first annular plate and the second annular plate are spaced from each other and extend radially outward from the rod, the first annular plate comprises a first post, the second annular plate comprises a second post; upon the condition that the button stays in a first position, the first post is received in one of the plurality of first positioning holes and the second post is received in the second positioning hole; upon the condition that the button is slid to a second position, the first post disengages from the one of the plurality of first positioning holes and part of the second post remains in the second positioning hole.