Patent ID: 9723929
Date: 2017-08-08
CPC Classifications: A47C

Claim:
1. A system with variable shapes for defining backs, sides or armrests of sofas and armchairs, comprising: a cushion unit including an upholstery made of soft material and covered by a flexible covering; a fixed frame located inside the cushion unit and operably associated with, at a lower end thereof, to a supporting structure of the sofa or armchair, the fixed frame extending vertically inside a lower section of the cushion unit and having substantially half a height of the cushion unit; at least two movable frames, both of the movable frames being located inside the cushion unit in an upper section thereof, and standing above the lower section, each one of the movable frames being independently hinged at a top of the fixed frame about at least one pivot axis and being adapted to independently pivot in a forward direction and a backward direction relative to the fixed frame to reach different positions, each one of the movable frames being operable to obtain a predetermined configuration of at least one portion of the upper section of the cushion unit with respect to the lower section; and a movement control device operably associated with the pivot axis, the device being adapted to allow or to prevent rotation of the movable frames, so as to enable the movable frames to reach the different positions with respect to the fixed frame, or to lock the movable frames in the reached position, respectively.