Bracelet clasp of the unfolding buckle type

Year	Description
1995	Invention patented by Luigi Ferrario on February 1st, 1995. Abstract: A clasp of the unfolding buckle type comprises a branch and an arm hinged at one of its ends to a first end of the branch. The branch has a lateral side face arranged opposite a lateral side face of the arm in a closed position of the clasp, and the clasp includes an elastically deformable element for jamming the clasp in the closed position. The elastically deformable element in the closed position of the clasp extends into a housing formed by a longitudinal hollow provided in the lateral side face of the branch and by a longitudinal hollow provided in the lateral side face of the arm.
Source: selected by the editor from original sources.

Invention: Bracelet clasp of the unfolding buckle type