Patent ID: 7333347

Claim:
A screwing control device of a computer chassis, comprising: a chassis, a panel of which is pre-built with a plurality of positioning holes in a circular shape, the panel having a lower surface and an upper surface; a screw element, which is a cylinder, a center of which is provided with a screw-hole, a side of which is integrally formed with at least one projected block and is integrally formed with at least one slant projected block that is displaced elastically, and which is locked and positioned into one of the positioning holes, with a rim of the positioning hole being provided with at least one extended notch, allowing the projected block to be transfixed from the notch, the slant projected block being deformed elastically to pass through a circumference of the positioning hole, and a bottom end of the slant projected block being locked and positioned on a surface of the panel at an outer circumference of the positioning hole, such that the entire screw element is positioned on the panel; and a bolt, which is transfixed into a through-hole of a board element, and is then screwed into the screw-hole of the screw element, wherein the screw element is configured to be removed from the upper surface of the panel.