Retain provided with double language. (Machine-translation by Google Translate, not legally binding)

摘要

A retainer provided with a double tongue, characterized in that it is made up of two elements intimately joined, being a metal washer with a "L" section preferably, which fits the central part or axis of rotation and an elastic part surrounding the metal washer, ending in two lips directed in the opposite direction. (Machine-translation by Google Translate, not legally binding)