Car seat construction.

Sitting in a car is a fundamental factor in driving comfort and safety. The seat was the first complete modular element of the vehicle interior. Since the dawn of automobilism, it has been the object of activity of constructors and technologists. Its design is based on specialist knowledge from many fields, above all – construction of spatial structures, precision mechanics (control mechanisms), Chemistry (filling plastics), Anatomy (Profiles) and tailoring (Slicing, sewing and upholstery). A separate topic is how to fix and adjust the seat position in the car, usually using guides.
One of the essential conditions, which must meet a modern seat is to guarantee safe driving. Both during minor collisions and dangerous collisions, a seat equipped with belts must effectively "immobilize" the transported persons. Because what good will fancy belt constructions do, tensioners, gas cushions located centrally and on the sides, Head restraints, if the seat design is incorrect. A good seat is the basis for ensuring the safety of vehicle occupants. The most important element of any seat is the skeleton. Made of pipes or stampings, made of high strength materials, must carry different loads, and above all the weight of the person sitting on the chair, sometimes exceeding 100 kg. Usually in the upper part of the frame there are attachment points for the headrests. The skeletons of the seat and backrest are connected by the device, allowing you to adjust the backrest at the right angle, without-gradually or by locking in specific positions. Seat fittings are based on the base, which is a wire mesh. The elements determining the shape of the chair are usually cold-formed and made as bi-hard. It is therefore possible to make the middle part of the seat of the chair made of soft plastic, while its edges are made of harder, which promotes better immobilization of the person driving, e.g.. on bends. The whole is sheathed with fabric upholstery covering, imitation leather or, in luxury models, made of genuine leather. An extremely important part of attaching the seats to the body are the guides, binding the frame of the seat to the floor of the car. Must ensure easy installation of the chair, Quiet operation when moving and consist of as few parts as possible. In many cars, bearing bearing guides are used to facilitate the movement of seats.