Patent ID: 7234859

Claim:
A shock-absorbing bearing for a timepiece, comprising a bearing block, a pierced bearing jewel, a seat for positioning this bearing jewel in this bearing block, an endstone, a seat for positioning this endstone in this bearing block, and a shock-absorbing spring for retaining said endstone against said positioning seat, this shock-absorbing spring being connected to said bearing block by four linking arms parallel to a plane containing the pivot axis of said bearing and forming, on each side of this plane, a suspension element having two of said linking arms connected to each other by a branch in the form of an arc centered on said pivot axis and having a radius greater than that of said endstone, these suspension elements being connected to each other by two diametric arms located on either side of a central support element, wherein the outer ends of said diametric arms are connected to two of said linking arms belonging to the respective said suspension elements.