| 摘要 |
FIELD: items for personal and household use. ^ SUBSTANCE: household armchair has a base, spine, arm-rest, upholstery and a seat. On the spine of the seat there is a pressure relieving indentation, whose form provides a means for optimal vertical relieving of pressure of the spinal column. ^ EFFECT: simplification of the design; possibility of prophylactic relieving of pressure from the spinal column; improving reliability; decrease in the cost price and increase in the comfort of the product. ^ 13 cl, 11 dwg |
