Patent ID: 7644720

Claim:
A retractable rod, comprising: a multitude of rigid skeleton joints having two axial end surfaces and side surfaces; each of the joints having a convex at one axial end surface and a concave at the other axial end surface which meshes with the convex; each of the joints having two holes through the axial end surfaces; all of the joints being connected through the convex-concave connection by two flexible ropes passing through the holes of the joints to form a rod; the rod being characterized by: a storage compartment locating at one end of the rod and winding and storing the rod therein; the storage compartment comprising a shaft, a rod storage sleeve which is in an intermittent drive mode fixed to the shaft; one end of the two flexible ropes passing through the rod storage sleeve and being fixed to the shaft; the rod storage sleeve being supported and rotating between two rope-protecting boards; a tension part locating at the other end of the rod; and the other end of the two flexible ropes being fixed to the tension part.