What is a chair: main types, materials for manufacturing

An armchair is a kind of soft chair with a back that fixes the spine in any position of the body.

What is a chair?

What is a chair? The main difference from the chair is the height of the back, which is much higher and softer.

The main types of seats

1. Chair bed. Has the ability to fold out to take a horizontal position of the body, which allows you to replace a berth.
2. Chairs, photos of which are above, can be used for children. Prerequisite: Must correctly form the child’s posture and adjust the armrests, seat and back. Make provisions higher and lower.
3. The classic version. Convenience and comfort should be present in any position: sitting and half-sitting, with the ability to bend your legs under you. This species is preferred by older adults.
4. Transformer. Accepts any position, has the property of folding to the required standards.
5. Surgical chair. Equipped with special devices for operations. Usually, it can be found in qualified clinics where operations are performed for patients.
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6. Hanging. Reminds a hammock with soft pillows inside. It has a rattan rigid body.
7. For offices and offices. The only difference: this view should not relax the body, otherwise, otherwise, the work will turn into rest. They have a spinning leg with twisting higher or lower. There is a pedal up and down.
8. For the living room. It has soft armrests, comfortable large-sized seats and soft backs. They differ in overall shape.
9. Chair ball. It is used as a summer residence option for the convenience of picnics in nature. It takes the form of a body when pressed. Convenient during pregnancy and feeding the baby.
10. Rocking chair. The body is connected by two legs rounded in the shape of a half month, which can swing back and forth. The skin can be made of leather and any durable material that is firmly stretched over the body. Folds out and unfolds, which allows you to remove any room or room to expand the space.
11. Wheelchair. Has a sitting position. Equipped with large spinning wheels. Behind the body are attached handles for convenience. Reminds a baby stroller.

What materials are used to create chairs

1. Natural tree: pine, spruce, ash, rarely oak and cedar. The most expensive species from bamboo.
2. Upholstery material: fabric base, leather, suede, velor, synthetic fabrics with impregnation.
3. Fastening iron frames on a metal base.
4. Foam for the first lining.
5. Plastic for inserts.
6. Pressed sawdust boards of various shapes and sizes.
7. Fasteners and clamps: handles, mechanical parts.
8. Wheels