Extendable seating and/or reclining furniture item, in particular chair, armchair, sofa or couch

Some existing seats comprise a structure that allows users to stretch out their legs; however, these types of seats are not provided with stowable telescopic sliding extension systems upholstered with substantially isometric fabric. The invention concerns a seating and/or reclining furniture item that comprises a telescopic sliding extension system (5) upholstered with resilient and substantially isometric composite fabric (12), said system being capable of being moved between a non-use position in which it is stowed inside the seat (2) and a use position in which it projects towards the front of the seat. With the seat back (3) lowered and the extension (5) extended, the device is capable of forming an item of relaxation furniture. The device according to the invention is intended for improving the comfort of seating and/or reclining furniture. 些现有座椅包括允许用户使其双腿伸展的结构；然而，这些类型的座椅不具有装有大致上等距织物的可收起伸缩滑动延伸系统。本发明涉及就座和/或斜躺家具物品，所述就座和/或斜躺家具物品包括装有弹性和大致上等距合成织物(12)的伸缩滑动延伸系统(5)，所述系统能够在所述系统收在所述座椅(2)内部的不使用位置与所述系统朝向所述座椅的前面突出的使用