Supplementary elastic cushion, with metallic spring applicable to any type of domestic, office, vehicles and sports seat (Machine-translation by Google Translate, not legally binding)

摘要

A new elastic cushion, complementary, with metallic spring, applicable to any type of domestic, office, vehicle and sports seats, characterized by its general structure consisting of two equal parts, without continuity solution, backrest and platform, mechanized independently and congruenced with each other by means of a sewn or glued in a band of plastic, leather, fabric or interwoven or similar, and another as a hinge that reinforces the union of the two trays. (Machine-translation by Google Translate, not legally binding)