US Patent 11634925 Folding canopy with layered roof

A folding canopy with a layered roof includes canopy leg tubes, a beam assembly connected between the canopy leg tubes, and a roof assembly for supporting a tarpaulin. The roof assembly includes a first roof unit in a middle portion of the roof assembly and a second roof unit surrounding the first roof unit. The first roof unit includes a first tarpaulin, a tarpaulin stay for supporting the first tarpaulin, and a linkage rod for linkage of the tarpaulin stay. A middle portion of the tarpaulin stay is hinged with a first strut, one end of the tarpaulin stay is hinged with an end of the linkage rod and the other end of the tarpaulin stay is a free end, and the other end of the linkage rod is hinged with a second strut.