Patent ID: 7296699

Claim:
A structure of a display rack comprising: a plurality of main beams each having a lower end provided with a fastening bolt and an upper end provided with a threaded insert; a plurality of diagonal support beams each being a set of two beams pivotally fastened at a center thereof hence enabling said two beams to be in either an open or a close configuration; a plurality of connecting sockets each having a central insertion hole adapted to engage with a respective end of said main beams, each of said connecting sockets having a fastening hole through which a blind rivet is inserted to fasten said sockets on said main beams, each of said connecting sockets being formed at one side with three fins which form into two first slots and at an adjacent side with three fins which form into two second slots, one of said first slots of said connecting sockets being pivotally connected with a respective end of said diagonal support beams, one of said second slots of said connecting sockets being pivotally connected with a respective end of said diagonal support beams; and a plurality of face plates each fitted between another end of said first slots and second slots of said connecting sockets.