Patent ID: 8456810

Claim:
A power supply assembly, comprising: an enclosure body comprising a bottom panel, a rear panel substantially perpendicular to the bottom panel, and a side panel substantially perpendicular to the bottom panel and the rear panel; a cover panel mounted to the enclosure body and substantially parallel to the bottom panel; a power supply mounted in the enclosure body to be prevented from moving along a first direction, that is substantially perpendicular to the rear panel, and a second direction, that is substantially perpendicular to the side panel, the power supply disposed between the bottom panel and the cover panel; and a positioning element mounted to the cover panel, the positioning element comprising a first step ladder-shaped positioning tab, the first step ladder-shaped positioning tab abuts two adjacent surfaces of the power supply to prevent the power supply from moving along a third direction, that is substantially perpendicular to the cover panel and the second direction.