The Swatch Group Management Services Ag

Other

Smh Management Services Ag

Swatch Group Mngmt Services Ag

Cl&eacute;ment Meyrat

Jacques M&uuml;ller

Olivier Silvant

Michael Bach

Laurent Pantet

Nicolas Ehrsam

Bertrand Carrard

S&eacute;bastien Bolzt

Carlo Albisetti

Rolf Widmer

Steeve Gerber

St&eacute;phane Kinkio

Daniel Donz&eacute;

Philippe Savy

The present invention concerns a device for securing a back cover ( ) to a middle part ( ) of a watchcase ( ), the back cover ( ) having a screw thread ( ) on its outer periphery, the device being characterized in that it includes an intermediate element ( ) including a resilient blocking element ( ) and a metal element ( ) concentric to the resilient blocking element ( ), this intermediate assembly being forcibly driven into the lower part of the middle part ( ) of the watch ( ), and the back cover ( ) being screwed onto the metal element ( ) so that, when the back cover ( ) is completely screwed onto the metal element ( ), the metal element ( ) can be pivoted by sliding on the resilient blocking element ( ) to a stop point from which the resilient blocking element ( ) can in turn pivot by sliding on the middle part ( ) of the watch ( ), allowing the alignment of the back cover ( ) to be adjusted with respect to the vertical 12 o'clock-6 o'clock axis of the watch ( ).

Device for adjusting the alignment of a back cover screwed onto the middle part of a watchcase with respect to a 12 o'clock&mdash;6 o'clock axis

Each wristband strand ( ) includes at least two studs ( , . . . ) extending perpendicularly to the inner surface of said strand and is each pierced in its median part by a hole ( , . . . ) of parallel axis to the strand, each side of the middle part includes recesses ( , . . . ), complementary to the studs including through passages ( , . . . ) on the back cover side and blind holes on the crystal side. The studs are fitted into recesses, and locked with U shaped parts ( ) engaged on the back side cover through the through passages, the holes of the studs and the blind hole. If one desires, this assembly enables a portion of the middle part located at 6 o'clock and/or 12 o'clock to be left entirely free of any attaching means.

Device for attaching wristband strands to a case

A timepiece is disclosed allowing a reading of a first conventional time information by means of first analogue display means including a dial ( ) and hours ( ) and minutes ( ) indicator members driven by a movement of the timepiece, this timepiece including second analogue display means allowing a simultaneous reading of second time information based on a decimal system wherein time is divided at least into thousandths of a day. The second analogue display means include the dial and the minutes indicator member in addition to complementary analogue display means ( ) indicating at least approximate decimal values ( ) of the full hours expressed in thousandths of a day. The minutes indicator member indicates on a dial, in addition to the minutes, corresponding decimal values ( to ) over a total duration of one hour, and the decimal time information is formed by adding the decimal value indicated on the dial by the minutes indicator member ( ) and the approximate decimal value indicated by the complementary analogue display means.

Timepiece with analogue display of time related information based on a decimal system

A clasp for a watch wristband includes: two male ( ) and female ( ) joining parts able to be coupled by inserting the male part ( ) into the female part ( ); and a resilient locking mechanism, provided on the male part ( ), locking with a catching mechanism provided on the female part ( ), when the male part ( ) is pushed into an engagement position in said female part ( ) so that it is then impossible to pull outwardly the male joining part ( ), the male ( ) and female ( ) joining parts being able to be uncoupled from each other by pushing the male part ( ) further into the female part ( ) so that the locking mechanism is released from the catching mechanism and the male joining part ( ) can be pulled out of the female joining part ( ).

Clasp for watch wristband

The assembly according to the invention comprises a hard plastic watch case ( ), having on its middle part one or more sealed push buttons ( ) made in an inexpensive manner. Each push button ( ) comprises a hard plastic stem ( ), for example the same material as the case, and an elastomer flexible head ( ) which is over molded onto an external surface ( ) of the case. The case and the push buttons may be manufactured by injecting two materials in a single mold. The invention applies to electronic watches and to mechanical watches.

Method for manufacturing an assembly comprising a hard plastic watch case and at least one push button

The contact clamp ( ) includes a base ( ) secured to the back cover of a case on one side of a push-button ( ) and an elastic strip ( ) extending beyond the push-button of which a first pre-stressed portion ( ) forms the key and return spring and a second portion ( ) of greater flexibility allows, at its end ( ), a contact to be closed with less force than that which has to be exerted on the push-button.

Multi-function push-button contact clamp

The invention concerns a chronograph watch made of precious metal including a case (,), closed by a crystal (,) and a back cover (,) resting on a rigid middle part-bezel (,) having a recess (,) opening towards the center of the case and wherein are provided through passages (,) for a time-setting stem (,) and for guide sleeves (,) for at least two push buttons (,), and a chronograph movement (,) with its display device (,) positioned in said case by a casing ring (,) arranged between said movement (,) and said middle part-bezel (,), characterized in that the guide sleeves (,) include a tube (,) threaded on the outside and which ends in a collar (,) and in that at least two separated segments (,) shaped substantially like the recess (,) and pierced with a threaded hole (,) are arranged facing the push button (,) sleeves (,) to assure, by screwing from the exterior, both that said segments (,) are firmly positioned and that said sleeves (,) are sealed by crushing a metal ring (,) of the middle part-bezel (,) around the through passages (,).

Precious metal chronograph watch with a hollowed middle part-bezel

An element made of elastomeric material (,) is made by overmoulding between the middle part (,) of a watch case and a support ring, in particular a casing ring (,) intended to support the watch movement. This allows the constraints of the inner form and inner machining of the middle part to be reduced, while allowing accurate positioning of the internal elements of the watch with respect to the middle part. The elastomeric element (,) can also assure sealing with the control stem and/or the crystal of the watch.

Growing community of inventors

Le Landeron, Switzerland

Clément Meyrat

Growing community of inventors

Le Landeron, Switzerland

Cl&eacute;ment Meyrat

Clément Meyrat