Patent ID: 7359189

Claim:
An electronic device having a removable module installed inside, the removable module including two interval-spaced first surfaces and a second surface, the first surfaces being adjacent and perpendicular to the second surface, at least one first fastener being disposed on each of the first surfaces, at least one second fastener being disposed on the second surface, the electronic device comprising: a housing; a printed circuit board, installed in the housing; at least one track, disposed in the housing; and two rails, each having at least one third fastener on a first portion and fourth fastener on a second portion, the third fastener being inserted into the first fastener, the fourth fastener being inserted into the second fastener, the second portion of the two rails being in contact with the second surface but apart from each other, the first portion of each rail being in contact with each first surface, wherein the first portion of each rail is disposed between the track and the removable module.