Eta Sa Manufacture Horlogere Suisse

Eta Sa Fabriques D'ebauches

Swatch Ltd.

Other

Nivarox-far S.a.

Comadur Sa

Laurent Kaelin

Ivan Villar

Arthur Queval

Xavier Tinguely

Baptist Wyssbrod

Christophe Cattin

Thierry Conus

Jean-Bernard Peters

Julien Christan

Giuseppe Cappadona

Martin Vautherot

Julien Moulin

Alphonse Arellano

Antonio Fazio

Gaël Feusier

Raphael Balmer

Jean-Philippe Rebeaud

Yannick Hunziker

Florent Strahm

Marco Rochat

Bruno Besutti

Yves-Alain Cosandier

Raphaël Balmer

Fabien Henriet

Pascal Chopard-Lallier

Stéphane Bachmann

Anne Philipps

Andr&eacute; Nussbaum

Fabien Schlup

Thomas Wyss

Christian Salzmann

Yassine Rachdi

Dominique Boizard

J&uuml;rg Schneiter

Chrystal Gressly

Chrystel Gressly

Paolo Pesenti

Cédric Decorsterd

A device () for fastening an external or display element () onto a horological structure (), including a retaining key () including a post () fastened to the structure () and a head () with a truncated flange () having a first lip () cooperating by bearing, in a blocking manner, with a face () of a fastening element () integral with this display element (), which first lip () is delimited by non-coplanar edges (), this retaining key () includes, joined to each edge () and radially retracted relative to the periphery () of the first lip (), a second lip () having an upper surface () which is, at each edge (), tapered relative to the upper surface () of the first lip ().

Device for fastening a horological external element or display element

A twisted arbour barrel (), including a barrel drum () provided with a housing, a spring arranged in the housing of the barrel drum (), an arbour () at least partially passing through the housing, the spring being compressed by rotation of the arbour in a first direction of rotation (), the arbour () being provided with a protruding end () of the drum (), a ratchet () arranged on the drum (), the ratchet () being configured to allow the rotation of the arbour () in the first direction of rotation (), the protruding end () passing through the ratchet () through an opening () cooperating by interlocking with the protruding end (), the protruding end () of the arbour () having a twisted shape around its axis.

Timepiece barrel with a twisted arbour

A mechanism for adjusting a timepiece bridge fixed to a structure, including, coaxial and able to move one with respect to the other by sliding and/or rotation on a common axis, and returned one towards the other by an elastic return or clamping means, a first component fixed to the structure and a second component fixed to the bridge, the first component including a first relief facing a second relief that the second component includes, the first relief and the second relief having variable cooperation depending on the relative angular position between the first component and the second component, each the particular relative angular position defining a particular distance between reference surfaces of the first component and the second component.

Mechanism for adjusting a timepiece bridge

A self-winding mechanical horological movement including a pivotally oscillating weight, wherein the oscillating weight is provided with a decorative disc mounted on the oscillating weight and pivotally driven by the weight. The disc is fastened to a support that includes a stem inserted into a hole provided in the rotational shaft of the weight. The stem and the hole include non-circular section cylindrical portions corresponding with one another, so that the support and the disc are pivotally driven by the shaft. The disc forms a decoration that covers the entire surface of the movement, without requiring technical complexities. The disc can be free to undergo an axial movement in relation to the weight, so that the disc may be removed from the weight when the horological movement is dismantled from a watch case.

Self-winding watch

A horological mobile component, including around an axis, a first element including a first shoulder and a second element including a second shoulder which cooperates by friction with a third shoulder that is included by a third element interposed between the first element and the second element, this third element includes a fourth shoulder cooperating by friction with the first shoulder or being driven onto this first shoulder, and the diameter of the third shoulder is at least double the diameter of the fourth shoulder, and the second element includes a main hollow defining at least two bearing surfaces each including one or two bearing sectors belonging to the second shoulder.

Horological mobile component with element maintained by friction

A horological movement with automatic winding, including a plate, a barrel, a cannon-pinion including a minute pipe which supports a minute hand, an hour wheel set including an hour pipe which supports an hour hand, an oscillating weight, arranged on the same side of the plate as the cannon-pinion and the hour wheel set, which includes a central hub, a rim, a heavy sector, a lifting arbor rigidly connected to the central hub and about which the minute pipe and the hour pipe are mounted coaxially, the minute hand and the hour hand being located between the plate and the rim of the rotor.

Horological movement with automatic winding having time-displaying hands located on the same side as the rotor

A regulator key whose arms ensure clearance of a balance spring even in event of shocks.

Regulator key

A bearing includes a shaft which pivots in the bearing. The shaft includes, at at least one end thereof, a shoulder via which the shaft is in contact with an opposite surface of the bearing. The shoulder is extended by a pivot engaged in a hole provided in the bearing. The opposite surface of contact of the bearing includes at least one hollow in order to reduce the surface of contact between the shoulder of the shaft and the bearing. Application is made to the production of a bearing for a shaft of a horology movement.

Reduced-friction shaft support bearing

A mechanical timepiece movement in the form of a modular unit. The movement includes at least one modular unit for performing a particular timepiece function, which is irremovably pre-adjusted by irremovably securing adjustment and/or assembling components included in the functional module after the particular horological function has been adjusted and function checked on the test bench. The pre-adjusted functional module is irremovably secured to a plate included in the movement or included in another pre-adjusted functional module of the movement, or irremovably secured to another pre-adjusted functional module included in the movement.

Modular timepiece movement with functional modules

The present invention concerns an assembly for holding or supporting a timepiece balance spring, comprising a balance spring stud and a balance cock on which is fixed a balance spring stud-holder, wherein said stud-holder comprises a holding means provided with a housing for housing the balance spring stud therein and a gripping means, at least said gripping means being movable with respect to the holding means in order to lock the balance spring stud inside its housing.

Balance spring stud-holder with secure assembly

A method for making an oscillating weight for an automatic winding mechanism of a self-winding watch including a central part made from a first composite material and a heavy sector made from a second composite material charged with heavy metal particles, the method including: forming the central part with a lateral rib and a rebate by injecting the first composite material into a mold; overmolding the heavy sector onto the central part by injecting the second composite material into a mold containing the central part, so that the second composite material fills the rebate and a gap underneath the lateral rib, so that the lateral rib is embedded in the second composite material and the central part and the heavy sector are interlocked.

Method for making an oscillating weight made from composite materials

The present invention concerns an assembly for holding or supporting a timepiece balance spring including a balance spring stud and a stud-holder, wherein said stud-holder includes:

Balance spring stud-holder

An assembly for holding or supporting a timepiece balance spring including a base provided with an upper surface and a lower surface on which a balance spring stud and a stud-holder are arranged. The stud-holder secures the stud to an escapement mechanism.

A timepiece sub-assembly includes, irreversibly fixed to a main plate and each irreversibly pre-adjusted by the irreversible securing of adjustment and/or assembly components, after the particular timepiece function thereof has been adjusted and function checked on the test bench, functional modules including a gear train module, a display module, and a time-setting module. Other mechanical sub-assemblies, each irreversibly fixed to the preceding lower order mechanical sub-assembly, include various modules including motor module, frame-mounted self-winding device module, escapement holder regulating module, motion work train, date module, and self-winding module. A mechanical movement including at least one mechanical sub-assembly of this type and a watch including a mechanical movement of this type are also disclosed. A method of assembling mechanical sub-assemblies of this type by the irreversible securing of mechanical sub-assemblies and irreversibly pre-adjusted modules is also disclosed.

Modular mechanical timepiece movement with functional modules

A timepiece barrel for pivotal assembly between a plate and a bar and including at least one spring housed between a pivoting drum and a cover and hooked between, at the outer end thereof, the drum and at the inner end thereof, an arbor which pivots integrally with a ratchet about a pivot axis. The barrel includes a one-piece sub-assembly coaxial to the arbor and including the arbor and a boss including a collar for limiting axial shake of the drum, the collar carrying pivotal drive mechanisms for driving pivoting of the ratchet which is axially free in a direction of the pivot axis.

Growing community of inventors

Sonvilier, Switzerland

Laurent Kaelin