US Patent 7173816 Portable computer

A portable computer having a computer main body, a display connected to the computer main body, a hooking part provided in one of the computer main body and the display, and a latch part provided in the other of the computer main body and the display. The latch part is movable between a hooking position hooked to the hooking part and an unhooking position unhooked to the hooking part. A rotating operator is rotatably coupled to the latch part, and selectively moves the latch part to the hooking position and the unhooking position according to a rotating direction thereof.