Patent ID: 7845903

Claim:
A fan holder for installing a plurality of fans, the fan holder comprising: a chassis; a fan bracket installed in the chassis; and an expansion bracket secured on the fan bracket, for receiving an additional fan; wherein the fan bracket comprises a plurality of receiving rooms for receiving the fans, and the expansion bracket is aligned with one of the receiving rooms; the fan bracket has a plurality of airflow openings at opposite sides of each of the receiving rooms, and the expansion bracket has a plurality of airflow openings defined therein, the airflow openings of the expansion bracket being aligned with the corresponding airflow openings of the receiving room; the fan bracket includes a first plate, a second plate parallel to the first plate, and a plurality of partitions interconnected between the first plate and the second plate, the first and second plates and the partitions cooperatively forming the receiving rooms, the airflow openings being defined in the first plate and the second plate at the opposite sides of the receiving rooms; the expansion bracket includes a front plate, the front plate defines a plurality of airflow openings therein, the expansion bracket includes two side plates extending perpendicularly from opposite sides of the front plate of the expansion bracket, at least one hook is formed on the side plates, and the first plate of the fan bracket defines at least one insert slot with the at least one hook engaged therein.