Two-fold, sofa bed mechanism with rapid opening system, which operates though traction from the backrest. The Otello model features an important new innovative design for a moulded sheet front foot which guarantees greater stability. High-resistance 30 mm diameter tube structure. Extra thick belt leverage. It is produced with belts in the seat or in a version complete electrowelded. The Otello model features bayonet coupling for rapid backrest and arm fastening. Mechanism operates at a height of 8 cm from the ground. Two versions of back rests are available, namely Semplice (simple version) and Portacuscini (cushion holder version). Fired epoxy powder painting system. This mechanism can be matched with a mattress. Maximum 194 cm in length and 13/14 cm in height.