| 摘要 |
The invention relates to a flexible protective chair, the shape, position and consistence of which match, together with the ratios between its components, the anatomical features of the human body and facilitate the motion of the seated person while providing passengers' and driver's protection in case of passenger transport, the chair eliminating the health hazard caused by the seated position, which is induced by the currently used ones. According to the invention, the chair comprises an upholstered or rigid seat (1, 41, 43, 46, 47, 48, 49, 50, 51, 52, 53) which, due to its special shape, allows contact and transmits seating-, side resting- and fixing-pressure of the user's body only in the optimal seating zones (2 and 3) which are symmetrical in relation with the medial plane of the chair, having spatial shape and the size in accordance with the antropometric dimensions of the human body, their shape in projection on two planes inclined by 45° in relation with the medial plane of the body, on either side, being similar to the human palms with the thumb oriented towards the exterior, the positions of the zones (2 and 3), seen from behind, being confined at the upper side by the hip joints and the lateral edges of the two hip bones and downwards on two third of the femoral bone length whose axis projected along a direction at 45°in relation with the medial plane divides the zones (2 and 3) into two approximately equal parts, the surface of which corresponds with the surface occupied by the gluteus maximus muscles, hemiaponeurotic muscles and biceps femoris muscles, and, depending on the topographical map, with the anatomic regions of the human behind, where the said zones (2 and 3) comprise completely the buttock zones (4), two third of the upper rear femoral zones (5) and the top half of the lateral femoral zone (6), and one adjacent part (a, k, l) which does not allow the contact with the user's body, being wider and deeper in the rear part and gradually diminishing its cross-section towards the front part. |
