FIELD: personal demand items.
SUBSTANCE: invention refers to spring mattresses and designed for comfortable arrangement of user on mattress at reducing the possibility of his falling off mattress. Spring mattress for beds includes many rows attached back to back. Rows include continuous finishing material with many individual pockets with cylindrical springs enclosed in them. Pockets are made from air non-permeable finishing material. Each pocket includes a hole.
EFFECT: pockets provide resistance to squeezed air when mattress springs are under load, which leads at uniform load during transient period to gradually increasing compression of spring to its compressed state.
16 cl, 5 dwg
Authors
Dates
2011-08-27—Published
2007-03-08—Filed