A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
A47C—CHAIRS; SOFAS; BEDS
A47C17/00—Sofas; Couches; Beds
A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
A47C17/20—Seating furniture changeable to beds by tilting or pivoting the back-rest thereby uncovering one or more auxiliary parts previously hidden
A47C17/207—Seating furniture changeable to beds by tilting or pivoting the back-rest thereby uncovering one or more auxiliary parts previously hidden with seat cushion consisting of multiple superposed parts, at least one lower hidden part being used to form part of the bed surface
A47C17/2076—Seating furniture changeable to beds by tilting or pivoting the back-rest thereby uncovering one or more auxiliary parts previously hidden with seat cushion consisting of multiple superposed parts, at least one lower hidden part being used to form part of the bed surface by lifting or tilting