Patent ID: 7270374

Claim:
A structure for anatomical support in a back, headrest and seat components of seating, comprising a frame; a convex cushioned plate provided with means that slide in relation to said frame; a push-pull cable having first and second ends with said first end fixed to an end of said cushion plate; a sheath in which said cable freely slides and which has first and second ends with said first end of said sheath fixed to said frame and to one end of said cushioned plate; a control device to which said second end of said push-pull cable and of said sheath is fixed, said control device being configured to determine, by moving said push-pull cable in one direction and in another direction, adjustment of a position of said cushioned plate of said frame, or adjustment of convexity of said cushion plate if said first end of said sheath is fixed to said plate, wherein the movement of said push-pull cable in both directions inside said sheath is obtained by a cylindrical slider sliding in a tubular body which is rotatable by said control device to cause the movement of said push-pull cable in said directions.