Patent ID: 8186479

Claim:
An adjustable scaffolding system, consisting of: a. a first rail assembly that includes a first rail member having a rectangular cross section, a second rail member having a rectangular cross section, and a first union member having a rectangular cross section that receives the first and second rail members therein; b. a first non-pivoting L-shaped bracket that includes a hollow sleeve portion having a rectangular cross section which receives an end of the first rail member of the first rail assembly, c. a first platform support member that includes a sleeve portion having a rectangular cross section which receives one of the first and second rail members and is movably mounted on the first rail assembly; d. a second rail assembly is spaced relation relative to the first rail assembly, the second rail assembly including a third rail member having a rectangular cross section, a fourth rail member having a rectangular cross section, and a second union member having a rectangular cross section that receives the third and fourth rail members therein; e. a second non-pivoting L-shaped bracket that includes a hollow sleeve portion having a rectangular cross section which receives an end of the third rail member of the second rail assembly, f. a second platform support member that includes a sleeve portion having a rectangular cross section which receives one of the third and fourth rail members and is movably mounted on the second rail assembly; g. a platform that extends between and is supported by the first platform support member and the second platform support member; wherein the first union member, the sleeve portion of the first platform support member and the hollow sleeve portion of the first non-pivoting L-shaped bracket rest against a roof surface to which the first rail assembly is mounted and function to space the first rail assembly away from such roof surface; and wherein the second union member, the sleeve portion of the second platform support member and the hollow sleeve portion of the second non-assembly pivoting L-shaped bracket rest against a roof surface to which the second rail assembly is mounted and function to space the second rail assembly away from such roof surface.