US Patent 9192867 Versatile frame assembly for fixed and mobile obstacle courses

A versatile frame assembly includes a lower frame assembly and an upper frame assembly. The lower frame assembly includes a base assembly having primary rails and cross rails that are coupled together, an intermediate assembly having primary rails and cross rails that are coupled together and lower support risers coupled between the base assembly primary rails and the intermediate assembly primary rails. The upper frame assembly includes the intermediate frame assembly, an upper assembly having primary rails and cross rails that are coupled together and upper support risers coupled between the intermediate assembly primary rails and the upper assembly primary rails. A platform assembly including a launch platform, a landing platform and a safety pit positioned therebetween is disposed generally within the lower frame assembly. At least one obstacle assembly is disposed generally within the upper frame assembly over the safety pit.