The sleeping surface is made of welded mesh in the places of the greatest load, the diameter of the mesh's rods is 4 mm.
Traction mechanism is made of 5 mm steel strip. This solution allows you to achieve the greatest reliability and durability of this connection.
The head part is made as a single power element consisting of a U-shaped arc and a transverse pipe with a diameter of 30 mm and thickness of 1.5mm, connected by a welded mesh.
Modification with the use of 6 wooden slats instead of a central welded mesh allows you to get a softer sleeping place.
A grid or 6 slats can be installed in the central part.
In the foot part a welded mesh can be installed instead of straps. The straps also allow you to get a more comfortable sitting place in the sofa position.
The load is held not only by the sofa cushion, but also by the mattress of the mechanism
The mechanism can be equipped with a spring mattress with a height of 120 mm and a length of 1880 mm or a foam mattress with a height of 100 mm and a length of 1880 mm. In the case of using a FOAM mattress, it is necessary to install an additional option — the mattress stop.