Movable scaffold

Claim 1

A movable scaffold comprising a pair of hanger rails attached to an underside of construction, first hanger units movably mounted on the hanger rails, beams being disposed below the first hanger units, a floor deck mounted on the beams and located below the construction, each of the beams being provided with a guide rail, second hanger units suspending the beams from the first hanger units, said second hanger units having wheels mounted thereon, each of the beams being movably supported on each second hanger unit by engagement of said wheels with the guide rail, said second hanger units being suspended from the first hanger units respectively so as to be rotatable about a vertical axis, whereby the beams and the floor deck thereon may be obliquely positioned with respect to the hanger rails, said beams comprising a pair of unit beams separatable in the middle, and connecting means for connecting each of said unit beams to each other, each of said pair of unit beams is a trussed beam, said trussed beam comprises a pipe disposed in parallel to said guide rail, said pipes of adjacent of said trussed beams are telescopically and pivotally connected to each other and comprise said connecting means, and said connecting means further comprises two connecting plates connecting said guide rail and said pipe, and means for fastening said two connecting plates to each other.