Device to prevent friction of the coinciding parts in the foldable meters. (Machine-translation by Google Translate, not legally binding)

摘要

"A DEVICE TO PREVENT THE ROCE OF THE COINCIDING PARTS IN THE FOLDING METERS BETWEEN YES", characterized by the fact that they are fixed, nailed, embedded or reinforced, at the ends of the strips that have to coincide by superposition when folding, some inserts or metal plates so that the one fixed at one end coincides with the other touching. (Machine-translation by Google Translate, not legally binding)