Patent ID: 11896122
Assignee: nan
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 8:
9. The multi-layer storage rack according to claim 7, wherein said lower tube end is provided with a counterweight block with a screw; an internal locking tube is arranged between said post located at a bottom of said post assembly and said lower tube end, a bottom of said internal locking tube is provided with a threaded hole, said screw is inserted into said threaded hole, thereby fixing said internal locking tube; an upper end of said internal locking tube is provided with a plastic lock, said internal locking tube is inserted into said large end of said post located at a bottom of said post assembly, said large end of said post squeezes said plastic lock and said top end of said internal locking tube so that said post can not rotate.