Patent ID: 7252351

Claim:
A computer enclosure comprising: a cage comprising a rear panel, a first flange extending from the rear panel; a side panel attached to the cage and comprising a second flange; and a fastening device attached to the side panel and comprising a holder, a slider movably attached to the holder, an operator rotatably attached to the holder, and a spring disposed between the holder and the slider, the holder comprising pairs of hooks movably holding the slider, the slider comprising a pair of cutouts and a fastening portion, and the operator comprising a pair of protruding bars; wherein the operator is rotated so that the protruding bars engage in the pair of cutouts to drive the slider forward wherein the spring is compressed and the fastening portion disengages from an inner surface of the first flange whereby the side panel is removed from the cage; and wherein the operator is released so that the spring rebounds and the slider is driven backward wherein the fastening portion engages the first flange together with the second flange abutting the rear panel whereby the side panel is secured to the cage.