Pending interchangeable parts. (Machine-translation by Google Translate, not legally binding)

摘要

Pending of interchangeable pieces, characterized because it constitutes at least two pieces, a piece (1) of subjection to the user's ear and a pendant (2), which have a mechanism of separation-union between themselves, the exchange and the combination of different pieces (1) and pendants (2) is fauced. (Machine-translation by Google Translate, not legally binding)