Mechanism RU 901-5
The mechanism enables user to unfold easily the sofa to sleep on - you just have to pull the backrest and put it down backward. The same way you may change just the angle of the backrest to receive an adequate seat ergonomy. The solution consists of metal frame,net and the lifting mechanism. The function is very practical. Furniture manufacturer has just to add a materass and some fabric and the sofa is finished. We recommend that solution to cheap, functional youths furniture.