Retractable charging writer instrument (Machine-translation by Google Translate, not legally binding)

摘要

A retractable load writer instrument, of the type comprising a spring that tends to axially displace the load tube, essentially characterized by the roof comprising at the end of the load opposite the writing tip a ring provided with a radial protruding protrusion through a longitudinal groove of the housing, provided to latch on the terminal of the clip press, determining the output of the writer tip. (Machine-translation by Google Translate, not legally binding)