Rolex Sa

Raoul Behrend

Jean-Louis Bertrand

Olivier Hunziker

Julien Cattaneo

Fabiano Colpo

Ludovic Zbylut

Blaise Fracheboud

Benoit Boulenguiez

Antonio M Meleddu

Thomas Cimprich

Olivier Kuffer

Antonio Meleddu

A transmission coupling (), especially a timepiece transmission coupling, for the mechanical linkage of at least one first part (A) of a first shaft at least movable in rotation about a first axis (A) to at least one second part (A) of a second shaft at least movable in rotation about a second axis (A), the first and second axes being parallel or substantially parallel, the transmission coupling including the at least one first part (A), the at least one second part (A), and at least a first elastic return system ('-) arranged so as to limit or cancel out the play between the at least one first part (A) and the at least one second part (A), and connecting the at least one first part (A) and the at least one second part (A).

Timepiece transmission coupling

An oscillator () includes a spiral spring () made from a paramagnetic or diamagnetic material and an assembled balance wheel () having a shaft () on which the following elements are fitted: a balance wheel (), a plate () and a collet () rigidly connected with the spiral spring (). The maximum diameter (Dmax) of the shaft is less than 3.5, or even 2.5, or even 2 times the minimum diameter (D) of the shaft on which one of the elements is fitted, or the maximum diameter (Dmax) of the shaft is less than 1.6, or even 1.3 times the maximum diameter (D) of the shaft on which one of the elements is fitted.

Oscillator for a clock movement

A regulating system () for a horology movement () comprising a first sub-system () including:

Regulating system for a horology movement

A watch case includes a middle (), one opening of which is closed by a bezel () and/or a crystal (), or by a back (). An element for closing the opening is connected to the middle by a resilient metal member () having a recessed cross-section defined by the profile of a non-rectilinear wall having a constant thickness, whose ends () are connected to the periphery of the closing element (), respectively. The profile of the non-rectilinear wall defines at least one annular fold having an orientation parallel to the plane of the opening, the fold being formed by a curvature whose arc defines an angle of between &#x3e;90&#xb0; and 180&#xb0;, so as to impart to the closing member () a freedom of movement relative to the plane of the opening.

Watch case

Growing community of inventors

Nyon, Switzerland

Raoul Behrend