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What Is The Function Of The Sofa
Aug 08, 2017

Functional sofa, fixed back sofa, infinity automatic sofa, pneumatic sofa (ie: manual sofa), electric sofa and TV sofa and so on.

The sofa is a necessary furniture for many families. The sofa in the market generally has low back sofa, high back sofa and between the two common sofa three kinds. The following three features are presented for consumers to choose to buy.

Low back sofa: A light chair that belongs to the rest type. It supports the user's waist (lumbar vertebrae) with a support point, this kind of sofa backrest height is lower, the general distance seat surface is about 370 millimeters, the angle of the backrest is also small, not only is advantageous for the rest, but also causes the entire sofa periphery size to shrink accordingly. This kind of sofa is easy to move, lightweight, small footprint.

High back sofa: Also known as an air seat. It is characterized by three fulcrum, so that the waist, shoulder, and the back of the brain at the same time on the surface of the backrest. These three support points in space does not constitute a straight line, so the production of this kind of sofa technology requirements are higher, the purchase difficulty is also relatively large. Make the wooden frame of high back sofa, must make clear on the shelf to make three points of the transition surface that compose, otherwise carry on the sofa to be masked and so on the process difficult to ensure the position of support point, give the user uncomfortable feeling. When choosing a high back sofa, pay attention to the three supporting points on the back of the composition is reasonable and appropriate, can be judged by the test seat. High-back sofas evolved from couch chairs. In order to improve the rest performance, can also be equipped with a footstool, placed before the sofa, its height can be the same as the front of the sofa seat height.

Ordinary sofa: It is a common kind of home sofa. The market sells more for this kind of sofa. It has two supporting points to support the user's lumbar spine, the thoracic spine, can be associated with the body's back surface with the effect. This kind of sofa backrest and seat surface angle is very important, the angle too big or too small will cause the user's abdomen muscle to be strong, produces the fatigue. Similarly, the width of the sofa seat should not be too large, usually according to the standard requirements within 540 mm, so that the user's calf can be adjusted to sit at will, rest more comfortable.