| 摘要 |
An elongate structural member primarily to form a support for, for example, the floor and/or the rafters of a converted loft comprises an extensible lattice frame (12) the ends of which are secured to a pair of opposed support means (36) themselves secured to the defining end walls of the loft, and upper and lower locking bars or rails (12, 14) secured to the upper and lower edges of the extended frame (12) to extend the length of the frame (12).
|
