Patent ID: 6639151
Filing Date: 2003-10-28
Classification: H05K

Abstract:
A fixing structure for extension cards comprising a metal plate that has a bent portion at its top and a fixing portion at its bottom, and the bent portion further has a notch, the fixing structure comprising:a set of extension slots, formed on a computer casing for fixing at least one extension card, wherein a fin outwardly extends from a rear side of the computer casing at a location above the extension slots, and an opening formed on the fin for receiving the bent portion of the metal plate of the extension card; a positioning element, comprising a pressing portion for pressing against the fin, and a mounting portion vertically connected to the pressing portion, wherein the mounting portion has an engagement hook for engaging an engaging hole of the set of extension slots, and the mounting portion has a first mounting slot; a resilient plate, centrally having a contact portion, wherein a stem extends from a back surface of the contact portion, a first folded edge is formed at a bottom of a front surface of the contact portion, the resilient plate further has a first fixing hole through which the resilient plate is fastened onto an inner wall of the computer casing by inserting a fastening element in a manner that the first folded portion of the resilient plate is inserted through the first mounting slot; wherein the engagement hook of the positioning element respectively engages with the engaging hole of the set of extension slots, the folded edge of the resilient plate inserting through the first mounting slot of the positioning element to firmly secure the positioning element on the computer casing, the stem of the resilient plate being pulled toward an inside of the computer casing to release the folded edge of the contact portion from the first mounting slot of the positioning element so that the positioning element is pushed upward to disengage the engagement hook from the engaging hole of the set of extension slots.