A box-spring (or divan in some countries) is a basic type of bed that usually consists of a sturdy wooden frame that is covered in fabric and contains springs. Usually the spring-box is placed over a wooden or metal bed frame that sits on the floor and acts as a clamp, except in England where the cot is more often mounted with a small caster. Box springs usually have the same size with a much softer mattress placed on top of it. Working together, spring-box and mattress (with optional bed frame) make the bed. It is common to find spring-mats and mattresses that are shared without the support of the frames underneath, a box spring fixed directly on the caster standing on the floor.
The purpose of the box spring is threefold:
- to raise the height of the mattress, making it easier to get in and out of bed;
- to absorb shock and reduce wear on the mattress; and
- to create a flat and sturdy structure for the mattress to lie down.
The rectangular rectangular rectangular rectangular wire frame to support the mattress has no rim or cloth cover. This is called bedsprings . More box-spring is made of wood, then covered with cloth. Wood makes a better support system for memory foams and newer latex mattresses. The newest design in the box-spring is a spring or metal spring folding box, then covered in a folded fabric into two and can be shipped by delivery and courier companies.
With increasing mattress height, manufacturers are now making box springs in different heights so mattress and spouse springs keep up the standard height. The "high profile" box spring is 9 inches (23 cm), while the "low profile" box spring is between 5 and 5.5 inches (13 and 14 cm). Changing the thickness of the spring and mattress box requires the revision of the mattress and the stiffness of the coil spring coil. This is often why spring and mattress cases are matched and sold in pairs.
Video Box-spring
Alternative
Box-spring beds are very popular in North America and Western Europe.
In addition, in Japan, futon mattresses are usually placed on the bed frame or on the floor, without using springs.
In Europe, a wooden frame with a central part consists of a spring held by a wire (to be inserted into a wooden bed frame as a unit) used as a standard for most of the 20th century.
Springs have largely been replaced with pre-crooked wooden slats (usually glulam made of beech or birch) that join the outer wooden frame by some form of flexible rubber bolt, shoe or socket. These batten floors provide suspension, allowing the mattress to be ventilated, and can be designed to be adjusted vertically for lifting the legs and/or torso.
A simpler approach is to join sticking straight with a textile rope so that it can be rolled up to carry and placed right on the bed frame.
Maps Box-spring
References
Source of the article : Wikipedia
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