TRANSFORMABLE FURNITURE FOR SITTING AND LYING Russian patent published in 2015 - IPC A47C17/17 

FIELD: personal use articles.

SUBSTANCE: transformable furniture for sitting and lying comprises sidewalls connected by a rear wall, a backrest has two support surfaces located on opposite sides, at that the backrest support surface that is used in the position for lying is made solid, the backrest support surface used in the position for sitting is solid or elastic, and the seat support surface is made elastic.

EFFECT: simplification of design, increased durability and reliability, ease of use, increase in service life, strengthening of family relationships, the ability to use for the prevention and treatment of the spine diseases.

3 dwg