Ring of the din-don type, perfected (Machine-translation by Google Translate, not legally binding)

摘要

An improved "din-don" type bell, characterized in that the sheet mounted inside the lower bell intended to support the movable mechanism, is bent in such a way that in the center it has a horizontal section, then two upward arms outwards and finally two horizontal sections on which are mounted the two pivots around which turn the handle and hammer of two effects. (Machine-translation by Google Translate, not legally binding)