Furniture blocks perfected for seats, backrests and armrests of automobile seats mattresses somier and for all kinds of upholstery in general (Machine-translation by Google Translate, not legally binding)

摘要

Improved spring blocks for seats, backrests and armrests for seats, automobiles, mattresses, mattresses and for all kinds of upholstery in general, characterized in that they consist essentially of a continuous wire that is bent, with a certain number of turns, in spiral, to the right, for example, and then to the left, interlacing each of these second turns in the first, and then the continuous wire is bent with turns to the right, interlacing each of these turns with their corresponding contiguous ones, and thus successively. (Machine-translation by Google Translate, not legally binding)