Pole assembly

A pole assembly, comprising:

• four supporting poles spaced from one another, wherein a plurality of fasteners is fixed on each of the four supporting poles;
• and each of the plurality of fasteners comprises a head, a neck portion extending down from a bottom of the head, and a fixing portion extending down from a bottom of the neck portion opposite to the head and fixed to one of the four supporting poles;
• two rails each supported on two adjacent ones of the four supporting poles, wherein the two rails are in a row and positioned at a same height of the four supporting poles, each of the two rails defines two locking slots adjacent to opposite ends of the corresponding one of the two rails, each of the two locking slots comprises an opening and a locking hole communicating with the opening;
• and
• a mounting apparatus located between the rails;
• wherein each of the two rails is set on two adjacent ones of the four supporting poles, with the locking slots aligning with the plurality of fasteners respectively;
• the heads of the plurality of fasteners are inserted in the corresponding openings, the two rails are then slid toward the mounting apparatus, to make the neck portions engage in the corresponding locking holes, the heads block top surfaces of the two rails surrounding the locking holes, and the adjacent ends of the two rails are fixed to the mounting apparatus.