The mechanisms for laying out sofas differ in ease of use and mechanical strength. Of course, they differ both in appearance and in the free space that they require in order to unfold and assemble a sleeping place without interference. There are models that can easily be turned into a bed and a child, and there are those that require skill and strength..
Choosing among the many types of transformation of sofas, you need to take into account whether you will lay out the sleeping place 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 a reliable, time-tested sofa folding mechanism.
pros
- Three back positions: sitting, lying, «relaxation» (intermediate position with the back half reclined).
- 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, it is difficult to name such mechanisms for laying out sofas and mechanisms: the seat slides out due to sliding along the guides, the back is lowered in manual mode.
pros
- Durable: the simple folding mechanism of the sofa prevents breakages.
- 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 other types of transformation of sofas, this one is distinguished by a particularly careful attitude to the flooring: the wheels do not move along the floor, the seat moves along a trajectory resembling a semicircle.
pros
- Excludes scratches on parquet, linoleum and other floor coverings.
- Doesn’t require a lot of layout space.
Accordion
Mechanism: such «musical» This mechanism for folding the sofa was named for its similarity to 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.
- Mechanism reliability.
Withdrawable
Mechanism: the seat pulls all other parts with it. To lay out the sofa, you need to pull the seat strap hidden at the bottom.
pros
- Of all the mechanisms for laying out sofas, this one is the most reliable..
- Takes up little space when folded
- Large berth with small folded structure.
Cot
Includes the following types of sofas transformation: American and French. They have some differences, but are similar in that the assembled berth is under the seat.
French view
Mechanism: the seat must be pulled towards you and then up, after that «expand» folded sofa. Before that, you need to remove the pillows..
Pros:
- Takes up little space when folded.
- When unfolded it has a fairly large berth.
American view («sedaflex»)
Mechanism: 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
- Stronger mechanism than its French counterpart.
- There is no need to dismantle structural elements.
Dolphin
Mechanism: the movement of the bed with this folding mechanism of the sofa resembles a dolphin dive. Pull on the strap attached to the seat and extend it fully.
pros
- The most durable of all sofa transformations. Suitable for daily unfolding.
- Large berth, flat.
- Easy to unfold and fold.
Conrad
Of all types of sofa transformations, 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, 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
- Sleeping place close in quality to an orthopedic mattress.
- Significant space savings when folded with a relatively large berth.
