Simple or applicable double spring security closure for perfected bracelet. (Machine-translation by Google Translate, not legally binding)

摘要

Simple or stackable double-spring security clasp for an improved bracelet, essentially characterized in that the interlocking piece can be assembled alone, has a smaller surface than those used up to now and on its side faces, has two groups of two holes not aligned nor positioned according to their curve of symmetry, which serve as axes of rotation and positioning of the set. (Machine-translation by Google Translate, not legally binding)