| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a ledger frame with floor capable of incorporating stairs in any place, when adjacently incorporating a stairs member into the ledger frame with floor, by reducing a clearance on both ends of the ledger frame with floor; and a prefabricated scaffold formed by incorporating this ledger frame with floor. <P>SOLUTION: This ledger frame with floor is composed of two long size main materials arranged in parallel in the horizontal direction, two beam materials installed in its both end parts, and four gripping metal fittings fixed to the four corners of its both end parts. The ledger frame with floor and the prefabricated scaffold formed by incorporating this ledger frame with floor, are characterized in that a projection member is joined in parallel to the beam materials on the outside in the width direction of the beam materials formed of an upper side flange, a lower side flange and a web, and a cutout part or a recessed part is arranged in a central part on the outside in the width direction of the projection member. <P>COPYRIGHT: (C)2009,JPO&INPIT |
