Patent ID: 8371667

Claim:
A slide rail comprising: a first rail comprising a main wall and two sidewalls symmetrically extending from two sides of the main wall; a second rail slidably attached to the first rail and comprising a main body and two side parts symmetrically disposed on opposite sides of the main body, each of the side parts comprises a first deformed portion connected to the main body, a second deformed portion, a third deformed portion, and a fourth deformed portion connected end to end in that order, a first sliding portion formed on an outer surface of a corner between the first deformed portion and the second deformed portion, a second sliding portion formed on an outer surface of a corner between the third deformed portion and the fourth deformed portion; and a third rail slidably attached to the second rail; wherein the first sliding portions of the second rail slidably engage with the third rail, the second sliding portions of the second rail slidably engage with the sidewalls of the first rail respectively.