Choosing among the many types of transformation of sofas, you need to consider whether you will lay out the bed every day, or only occasionally, when guests come to the house.
Book ("click-gag")
Mechanism: to unfold the sofa, raise the seat and pull it towards you. It is reliable, time-tested sofa folding mechanism.
pros
- Three positions of the back: sitting, lying, "relax" (intermediate position with a half-reclined back).
- Compactness. Doesn't require a lot of space to spread out.
- As a rule, it is possible to provide a linen drawer.
- The berth is flat, without "kinks".
Eurobook
Mechanism: The seat is pushed forward, after which the back of the sofa is lowered. In fact, similar sofa layouts and it is difficult to name mechanisms: the seat slides out due to sliding along the guides, the back is lowered in manual mode.
pros
- Durability: simplicity folding sofa mechanism eliminates breakdowns.
- Large selection of standard sizes.
- Large linen drawer due to the lack of internal parts of the mechanism.
- Smooth sleeping surface.
Eurobook "Tick-Tock"
Mechanism: among others types of transformation of sofas this one is characterized by a particularly gentle attitude to the floor covering: the wheels do not move on the floor, the seat moves in a trajectory that resembles a semicircle.
pros
- Scratches on parquet, linoleum and other floor coverings are excluded.
- Doesn't require a lot of layout space.
Accordion
Mechanism: such a "musical" name given sofa folding mechanism received for the similarity with the principle of stretching the bellows of this musical instrument. The seat rises until it clicks and then slides out until it stops.
pros
- Minimum assembled size.
- Large berth size.
- The reliability of the mechanism.
Roll-out
Mechanism: the seat pulls all other parts with it. To lay out the sofa, you need to pull on the seat strap hidden at the bottom.
pros
- Of all mechanisms for the layout of sofas this one is the most reliable.
- Takes up little space when folded
- Large size of a berth with a small size of the folded structure.
Cot
Includes the following types of sofas transformation: American and French. They have some differences, but they are similar in that the assembled berth is located under the seat.
French view
Mechanism: the seat must be pulled towards you and then upward, after that "unfold" the folded sofa. Before that, you need to remove the pillows.
Pros:
- When folded it takes up little space.
- When unfolded, it has a fairly large berth.
American view ("sedaflex")
Mechanism: it unfolds similarly to the French mechanism, while the headrest does not need to be removed, it will move to the desired position by itself.
pros
- More durable mechanism than its French counterpart.
- There is no need to dismantle structural elements.
Dolphin
Mechanism: movement of the berth at a given sofa folding mechanism resembles a dolphin dive. Pull on the strap attached to the seat and extend it fully.
pros
- The most durable of all types of transformation of sofas... Suitable for daily unfolding.
- The sleeping place is large and flat.
- Easily unfolds and folds.
Conrad
Of all types of transformation of sofas this option is the most convenient for sleeping, as it allows the use of spring blocks in the design, which is most beneficial for health and creates comfortable conditions for sleeping.
Mechanism: the part located under the seat extends and extends further, dragging the seat with it, and then part of the backrest, after which the first part rises up, one level with the seat, and part of the backrest drops to the same level.
pros
- A sleeping place close in quality to an orthopedic mattress.
- Significant space savings when folded with a relatively large berth.