Patent ID: 8317463

Claim:
A fan apparatus, comprising: a centrifugal blower defining an air outlet at a lateral side thereof; a guiding rail defining an annular groove therein; at least one fastener with one end received in the annular groove of the guiding rail and slidable along the annular groove and another end connected with the centrifugal blower whereby the centrifugal blower is rotatable with respect to the guiding rail when the fastener slides in the annular groove of the guiding rail, the one end of the at least one fastener extending downwardly from the another end of the at least one fastener into the annular groove; and a mounting frame comprising a pair of ribs and a plurality of fixing members, each of the ribs defining an elongated groove therein, and each of the fixing members comprising a first end extending downwardly from and fixed to a bottom of the guiding rail and an opposite second end extending downwardly away from the first end into a corresponding elongated groove.