Deployable safety clasp for strap of e.g. watch, has safety lock comprising mobile hooking notches displaceable from locking position of fixation elements of closing cams in locking devices toward unlocking position of fixation elements

摘要

The clasp (100) has mobile strips (110, 120) whose first ends are attached to an end of a base support (170) by a pair of articulation axles (112, 125). Locking devices (130, 150) are housed at second ends of the strips and provided with closing cams (132, 152) that are mobile in rotation around another pair of articulation axles (135, 155). A safety lock has mobile hooking notches (192, 196) that are displaceable from a locking position of fixation elements (138, 139) of the cams toward an unlocking position of the fixation elements.