Abstract: For use in a scaffold structure having upright support members provided with spaced support elements and cross members for attachment to said support elements of said upright members, a puncheon unit comprising an outer member for attachment to one of said upright members and an inner member telescopically received in said outer member, said outer member having support elements for said cross members and said inner member having support elements for said cross members and transverse holes co-acting with locking means to lock said inner member relative to said outer member. A slidably mounted support collar having support elements for said cross members is provided on said inner member.

Abstract: A supporting collar for attachment to a tubular scaffold member having four radially disposed channel-shaped support brackets, said brackets being interconnected so that the open ends thereof are disposed about a circle. Said collar is formed in two hingedly connected parts, the free ends of said two parts being connectible by a nut and bolt device.

Abstract: A decking beam assembly for use with builders scaffolding which is arranged and constructed to enable different shapes and sizes of filler element to be fixed thereto in order to permit the use of different standard types of decking panels in constructing shuttering for concrete floors.

Abstract: A standard for builders scaffolding having a head fitting for use in coupling two standards together in end-to-end relationship, said head fitting comprising a male adapter element, and a bracket member which is formed at its ends to engage and be fixed to the standard, said bracket also being formed with a projecting slot in which is received a wedge element which, in use, engages and retains in position the adjacent end of said two standards.