On based lock "click-Clack" has been developed another new product – the mechanism of "Tango". The peculiarity of this variety of lock "Click-Clack" is that it is installed on the arms of the couch, allowing them to easily transformed into part of the bed. The mechanism of "Tango", as well as "click-Clack" has from 3 to 5 intermediate positions and can be used in combination with other mechanisms, such as "", "accordion" "Couch", and of course, with his fellow "Click-Clack." All of the above mechanisms are arranged along the wall, but in the "routine" and folding mechanisms are ahead. And the most convenient among them an "accordion". Sofas with such a breakout is small (compared with the folding along the wall) sizes and the largest selection of the width of the bed, from 70 to 190 cm To expand a sofa, quite a bit to lift the seat sofa and pull over – sofa decomposed almost myself! The most comfortable sofas with this mechanism in conjunction with a metal frame and orthopedic grating, because This design makes it easier to fold, and also allows him to put on one-piece mattress, making it look like a sofa bed to sleep quality. On the background of "accordion", Sofa wooden frame, and consisting of three units mattresses rent out their positions and gradually pushed into a "guest" sofas. Symbiosis immediately 3 mechanisms: "withdrawable", "" and "Dolphin" was given yet another mechanism-a "domino". He also expanded forward, but much inferior in terms of convenience "accordion." Sleeper, as opposed to "draw-out" mechanism, remains high.

Due to the technical features of the mechanism, a box of laundry available. Separately from the above mechanisms is "dolphin." This mechanism is used mainly in the couch, because to direct it heavy enough to unfold due to the length of the blocks. From the trajectory of the block when unfolded reminds dolphin jump out of the water, which served as the title of this mechanism. In order to expand it, you need to pull the withdrawable part and the movement up and over to lift the mattress. "Couch" – a small sofa for up to 1 berth place. Minimum dimensions of such furniture suitable for small or narrow rooms. Perhaps as neraskladnoy, and with minimal transformation "Tango" or "roll-out." Most often equipped with compartment for clothes.