A shock absorber device for an arbour of a timepiece element including a support including a base cup surmounted by a peripheral rim delimited, opposite the cup, by an upper surface and including an outer wall, the cup and the rim defining together a recess. The device further includes at least one pivot module extending along an axis, the at least one pivot module being arranged in the recess and configured to cooperate with the arbour and a cap formed by a hollow part fixed to the support on the peripheral rim, the cap including an inner wall on which at least one groove is arranged so that an elastic mechanism can be placed therein.

A shock absorber device for an arbor of a timepiece element including: a support including a base cup surmounted by a peripheral rim, which is delimited, opposite the cup, by an upper surface, the cup and the rim together defining a housing; a pivot system extending along an arbor, the pivot system being arranged in the housing and including a base including an elastic return mechanism at the periphery thereof, formed by at least one curved arm, including an opening in which is inserted a pivot element configured to cooperate with the arbor. The at least one curved arm is used for locking the pivot system in a bayonet fitting.

A shock absorber device for an arbor of a timepiece element including: a support including a base cup surmounted by a peripheral rim, which is delimited, opposite the cup, by an upper surface, the cup and the rim together defining a housing; a pivot system extending along an arbor, the pivot system being arranged in the housing and including a base including an elastic return mechanism at the periphery thereof, formed by at least one curved arm, including an opening in which is inserted a pivot element configured to cooperate with the arbor. The at least one curved arm is used for locking the pivot system in a bayonet fitting.

Watch or movement including a timepiece resonator movement including two RCC flexural pivots mounted in series about an intermediate rotary support and having the same virtual pivot axis, each comprising two straight flexible strips of the same length, whose clamping points opposite to this pivot axis are at the same distance with respect to this axis, and which define linear directions, forming angles, in pairs, with this virtual pivot axis, whose value expressed in degrees is comprised between:

109.5+5/[(D/L)−(2/3)] and 114.5+5/[(D/L)−(213)],

or more particularly between 107+5/((D/L)−(2/3)) and 112+5/((D/L)−(2/3)), this timepiece resonator mechanism is in an advantageous variant a one-piece temperature-compensated silicon resonator.

Watch or movement including a timepiece resonator movement including two RCC flexural pivots mounted in series about an intermediate rotary support and having the same virtual pivot axis, each comprising two straight flexible strips of the same length, whose clamping points opposite to this pivot axis are at the same distance with respect to this axis, and which define linear directions, forming angles, in pairs, with this virtual pivot axis, whose value expressed in degrees is comprised between:

109.5+5/[(D/L)−(2/3)] and 114.5+5/[(D/L)−(213)],

or more particularly between 107+5/((D/L)−(2/3)) and 112+5/((D/L)−(2/3)), this timepiece resonator mechanism is in an advantageous variant a one-piece temperature-compensated silicon resonator.

A timepiece resonator mechanism including a structure and an inertia element oscillating about an axis, subjected to return forces exerted by a RCC flexure pivot with elastic resonator strips, which are each fixed to the structure and to the inertia element and essentially deformable in a plane perpendicular to the axis, straight and extending in parallel or coincident planes, the crossing, in projection onto a plane perpendicular to the axis, of their directions defining this axis, these strips are fixed on the inertia element side to a stiff element, comprised in an anti-shock element and on which are fixed the strips and which is integral with anti-shock flexible elements arranged to keep suspended the inertia element, the anti-shock element providing shock protection for the strips of the flexure pivot.

A method for making a flexure bearing for an oscillator with an inertial element oscillating in a plane supported by flexible strips fixed to a stationary support returning it to a rest position includes: forming the bearing with basic strips in superposed levels, each having an aspect ratio of less than 10; breaking down the number of basic levels into a plurality of sub-units, each including one or two strips joining a basic support and a basic inertial element, which are made by etching substrates; assembling the sub-units by joining their basic inertial elements; and fixing the basic supports to the support, directly or via translational tables along one or two in-plane translational degrees of freedom, of lower translational stiffness than that of the sub-unit.

A method for manufacturing a stone for a timepiece from a mineral body of a monocrystalline type, the stone including a hole, includes ablating the body by scanning at least one face of the body with ultra-short pulse laser radiation from a laser for a duration less than one hundred picoseconds, and guiding a beam of the laser radiation using a precession system of at least three axes configured to at least partially cancel a conical focusing angle of the laser. The ablating includes digging of a cone of entrance to the hole. A mineral stone of monocrystalline type for a timepiece includes a face provided with a hole formed in a body of the stone, and a functional element at an entrance to the hole. The functional element has a shape of a cone.

A method for manufacturing a stone for a timepiece from a mineral body of a monocrystalline type, the stone including a hole, includes ablating the body by scanning at least one face of the body with ultra-short pulse laser radiation from a laser for a duration less than one hundred picoseconds, and guiding a beam of the laser radiation using a precession system of at least three axes configured to at least partially cancel a conical focusing angle of the laser. The ablating includes digging of a cone of entrance to the hole. A mineral stone of monocrystalline type for a timepiece includes a face provided with a hole formed in a body of the stone, and a functional element at an entrance to the hole. The functional element has a shape of a cone.

A rotary wheel set system of a horological movement with a rotary wheel set, a first and a second bearing, for a first and a second pivot of the arbor of the rotary wheel set, the wheel set including a mass center in a position of its arbor, the first bearing including an endstone including a main body equipped with a pyramidal cavity configured to receive the first pivot of the arbor of the rotary wheel set, the cavity having at least three faces giving its pyramidal shape, the first pivot being capable of cooperating with the cavity of the endstone to rotate in the cavity, at least one contact zone between the first pivot and a face being generated, the normal at the contact zone or zones forming a contact angle (α.sub.h) relating to the plane perpendicular to the arbor of the pivot, wherein the contact angle (α.sub.h) is less than 45°.