Patent ID: 7848110

Claim:
A slide rail structure, disposed between a computer case and a rack, comprising: a first slide rail, fastened to the rack; a second slide rail, having a first end, a second end, and a carrier, wherein the second slide rail is fastened to the rack through the first end and is connected to the first slide rail through the second end, and the carrier is in contact with a bottom panel of the computer case to allow the computer case to slide on the carrier, wherein the carrier is not locking with the computer case; a third slide rail, slidingly disposed to the second slide rail without carrying the computer case, and having a locking portion; a locking component, fastened to the computer case, and locked with the locking portion, wherein when the computer case is pulled out of the rack, the third slide rail moves along with the computer; and a holder, fastened to the rack and the first end of the second slide rail so that the second slide rail is fastened to the rack through the holder, wherein the holder has a fourth blocking portion, and the third slide rail further has a fifth blocking portion corresponding to the fourth blocking portion for restricting a displacement of the third slide rail toward an outside of the rack.