Spring mattresses with rigid frame or forming part of the bedstead Divan bases; Slatted bed bases

AHUMAN NECESSITIES A47Furniture A47CCHAIRS SOFAS BEDS

A47C23/00Spring mattresses with rigid frame or forming part of the bedstead Divan bases; Slatted bed bases

A47C23/002with separate support elements A47C23/005foldable or dismountable A47C23/007Edge stiffeners A47C23/02using leaf springs A47C23/04using springs in compression A47C23/043using wound springs A47C23/0431supporting a flat board or strip A47C23/0433of different resilience A47C23/0435of adjustable resilience A47C23/0436made from a single wire A47C23/0438of special shape A47C23/047incorporating inflatable elements A47C23/05Frames therefor Connecting the springs to the frame; Interconnection of springs A47C23/0507using tensioned spiral springs A47C23/0515using clamps or similar connecting means A47C23/0522using metal wires A47C23/055using cords using textile or rubber bands A47C23/057Hangers or supports for fastening spring units to frame A47C23/06using wooden springs A47C23/061Slat structures A47C23/062Slat supports A47C23/063by elastic means A47C23/064by elastomeric springs A47C23/065by fluid means A47C23/066by chains, ropes or belts A47C23/067adjustable A47C23/068with additional supports between the ends of the slats A47C23/12using tensioned springs A47C23/125using vertically mounted tension springs A47C23/14forming nets combined with nets A47C23/145with horizontal interlocking wound springs Attachment thereof to the frame A47C23/15with braided or crossed flat springs or cords with horizontal wound springs A47C23/155with combinations of flat springs or link chains with wound spring A47C23/16of plane meandering type A47C23/18of resilient webbing A47C23/20of resilient sheet form A47C23/22of tensioned rubber cords or like cords A47C23/24using tensioned textile or other non-resilient strips A47C23/26Frames therefor Connecting the springs to the frame A47C23/28Tensioning devices therefor A47C23/30using combinations of springs covered by more than one of the groups A47C23/04, A47C23/06 and A47C23/12 Frames therefor A47C23/32Combinations of nets with springs in compression Frames therefor A47C23/34with provisions for giving extra support for the head or the legs