Patent ID: 7344346

Claim:
A bolt and nut structure comprising: a bolt nail having a thread and at least one planar surface extending alone a length thereof; a nut nail having an open, interior space; and an elastic tube having a plurality with outward plates, a plurality of convex blocks, a plurality of inward plates and a ring hook, at least one gap being provided in the elastic tube, the ring hook being at a front open end of the elastic tube and the at least one gap extending along a portion of a length of the elastic tube from the ring hook, the elastic tube being insertable into the open, interior space of the nut nail, the bolt nail being rotatable relative to the nut nail to be readily attachable to and detachable from one another, the elastic tube being between the bolt nail and the nut nail and the thread meshing with the ring hook when the bolt nail is attached to the nut nail.