EP0730758B1 - Wristwatch with screwed crown - Google Patents

Wristwatch with screwed crown Download PDF

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Publication number
EP0730758B1
EP0730758B1 EP95930363A EP95930363A EP0730758B1 EP 0730758 B1 EP0730758 B1 EP 0730758B1 EP 95930363 A EP95930363 A EP 95930363A EP 95930363 A EP95930363 A EP 95930363A EP 0730758 B1 EP0730758 B1 EP 0730758B1
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EP
European Patent Office
Prior art keywords
winder
crown
slider
indicating means
wristwatch according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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EP95930363A
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German (de)
French (fr)
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EP0730758A1 (en
Inventor
Daniel Blunschi
Fredy Streuli
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UTC Service AG
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UTC Service AG
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Publication date
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    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B3/00—Normal winding of clockworks by hand or mechanically; Winding up several mainsprings or driving weights simultaneously
    • G04B3/04—Rigidly-mounted keys, knobs or crowns
    • G04B3/041—Construction of crowns for rotating movement; connection with the winding stem; winding stems
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/08—Hermetic sealing of openings, joints, passages or slits
    • G04B37/10—Hermetic sealing of openings, joints, passages or slits of winding stems
    • G04B37/103—Hermetic sealing of openings, joints, passages or slits of winding stems by screwing the crown onto the case

Definitions

  • the present invention relates to the field of Wristwatches. It concerns a wristwatch with a clockwork, which is surrounded by a housing and by means of an outside crown rotatably attached to the case via a through the Housing guided shaft is actuated, with the crown as sealing screw-in crown is formed.
  • Such a wristwatch is e.g. from the publication CH-A3-682 968 known.
  • Wristwatches wound with a crown are adjusted or can be operated in any other way Execution of the wave connected to the crown by the Watch case a weak point in terms of tightness against dust, water and other environmental influences. So you have proposed a variety of solutions in the past where the crown is screwable and in screwed-in condition ensures increased tightness. Examples of screw-in crowns can be found, among other things Swiss Patents No. 468 663, 582 908, 616 809, or German Patents No. 30 17 496 and 33 13 515, or take from the publication mentioned at the beginning.
  • the task is for a wristwatch of the type mentioned Art solved in that signal means are provided which are in active connection with the crown and signal whether the crown is screwed in, or Not.
  • the essence of the invention is thus the wristwatch train that the carrier by suitable signaling means attention is drawn to this when the screw-in crown is not in the properly screwed-in state.
  • acoustic within the scope of the invention
  • signaling means for example one electrically operated buzzer through a connected to the crown to actuate electrical contact.
  • Such training would opt for an electrical or electronic Offer a watch, but less for a watch with a mechanical one Clockwork.
  • optical display means are therefore provided as signaling means.
  • signaling means an electrical variant in the form of a Flashing light or the like is conceivable, there are optical signaling means a variety of purely mechanical implementation options.
  • One of these ways is under to arrange a crown in a signal color for the crown, which at screwed-in crown covered, with screwed-out crown but is openly visible.
  • the crown is usually on the side is arranged on the watch case, the signal effect is a limited such arrangement.
  • optical display means are arranged within the housing, and that in particular the watch has a dial and the optical display means are arranged within the dial. Since that The clock face is in a visually favorable position strong signal effect is achieved.
  • the optical Display means are designed as mechanical means and operated mechanically by the crown, the optical display means comprising a slide, which is slidably mounted below the dial is that when screwing in or unscrewing the crown between is moved two positions, and being in the dial an opening is provided which is in the displacement path of the slide and through which the respective position the slide is recognizable.
  • the slide can be made very flat and between Clockwork and dial are arranged so that one insert possible for a wide variety of movements and clocks is.
  • Can be used as an opening for the position indicator of the slide preferably use the opening of the date display, provided the watch has a separate date display.
  • Fig. 1 is a preferred embodiment in section reproduced for a wristwatch according to the invention.
  • Fig. 1a shows in the detail the part of the watch, which is the crown 20, the shaft 7 connected to the crown and its implementation covered by the case 2 of the watch.
  • 1b represents one Section in the plane A-A of Fig. 1a.
  • the wristwatch 1 of the exemplary embodiment from FIG. 1 comprises an internal movement 13 with an overlying dial 19, a housing 4 surrounding the clockwork 13 in a ring shape, a bottom 10 which closes the bottom 4, and one the housing 4 above closing bezel 2, which also the surrounds glass cover, not shown.
  • Bottom 10 and bezel 2 are in the housing 4 by means of corresponding threads screwed in, the desired tightness through seals 3 and 9 is achieved in corresponding grooves arranged in a ring between the housing 4 and the bezel 2 or base 10 are.
  • the clockwork 13 can be operated by means of a crown 20 (e.g. open or adjust), which are arranged on the outside of the housing 4 is and via a shaft 7 in not shown Way with the clockwork 13 is operatively connected.
  • shaft 7 is through a bore 8 in the housing 4 to the inside guided.
  • the crown 20, which is only partially shown in Fig. 1a is, in a manner known per se, as a screw-in crown executed, i.e. it is sealed with the housing 4 or screwed to a threaded connector attached to the housing if it is not needed and unscrewed when the clockwork to be operated.
  • the screw connection can, for example be designed as in the figures of the beginning mentioned document CH-A3-682 968 is shown.
  • the one for the The screw connection required thread goes into one Tube 5 over, which is screwed into the bore 8 in the housing 4, pressed or otherwise firmly inserted and surrounds the shaft 7 concentrically.
  • the tube 5 is screwed when shown in FIG. 1 Embodiment extended to the inside and protrudes the inner surface of the housing 4 into the interior of the Clock in.
  • a Tooth segment 11 rotatably mounted, which preferably the in Fig. 1b has the shape shown.
  • the tooth segment 11 is designed as a circular ring.
  • the inner diameter of the annulus is chosen so large that the shaft 7 without difficulty through the inner opening of the tooth segment 11 can be led to the clockwork 13.
  • a circumferential annulus segment 15 integrally formed, which has a segment angle of preferably has about 240 °.
  • the one from the circular ring segment 15 An angle of 120 ° which is not detected forms an engagement area for a driver finger 14, the function below is described in more detail.
  • On the outside of the tooth segment 11 is a plurality of teeth 16 in the circumferential direction arranged one behind the other when rotating the tooth segment around the tube axis in succession in corresponding engagement openings 18 engage in an overlying slide 17 and the slider in a plane parallel to the dial 19 move (see Fig. 2a, b).
  • the slider 17 can - as shown in Fig. 2 - the shape a circular ring segment, which when rotating the toothed segment 11 accordingly by a certain angle
  • the pointer axis of the wristwatch 1 is rotated.
  • the slide 17 is arranged directly below the dial 19.
  • the dial 19 is in the displacement path of the slide 17 an opening 21 is provided.
  • the opening 21 can in principle especially for the display of the screwing in of the Crown may be provided. However, the opening is preferred a date display 22 used, provided that this in the wristwatch is present (Fig. 2b).
  • the slider can now - depending on the screwed-in state of the crown 20 - take two extreme positions: in one extreme position, which corresponds to a screwed-out crown 20, (Fig. 2a), the slide 17 closes the opening 21. Is the top of the slider 17 in this area a striking, contrasting to the color of the dial 19 Color (e.g. red on a white dial), the closed opening 21 appears red Dot inside the white dial.
  • the carrier of the This effectively draws attention to the wristwatch made that the crown has not yet been screwed in and the Watch is at risk.
  • the crown 20 is complete screwed in, the slide 17 takes a second extreme position a (Fig. 2b), in which he releases the opening. In The opening is then shown the date in the usual way.
  • the length of the crown tube 6 is chosen so that it is inside with the crown fully screwed in at about the same height ends like the tube 5. There is 6 at this end of the crown tube the driver finger 14 already formed above. At appropriate choice of the pitch of the thread on the threaded connector the crown can now be reached when screwing in the crown 20, the crown tube 6 with the driver finger 14 can rotate freely in a screw-like movement, the driver finger 14 increasingly inside the watch wanders until it reaches the inner opening of the Tooth segment 11 dips and engages with the ring segment 15 is coming. The driver finger 14 then rotates the tooth segment 11 and the slider 17 are the opening 21 in the dial 19 free. An automatic rotation of the toothed segment 11 is thereby prevented that on the outside of the Clockwork 13 a spring 12 is attached to the toothed segment 11 presses against the tube 5 and so for the necessary friction worries.
  • the invention is not based on that embodiment explained here is limited.
  • the coupling between the crown 20 and the display means 17, 21 differently be formed and for example by special levers or joints.
  • the display means themselves can also be used in many variations. So it is under other possible to design the dial so that at unscrewed crown the digits of the hour disappear and only when the crown is fully screwed in are visible. It is also conceivable for the display to be controlled electrically by means of a contact and as a display to use electro-optical or electro-acoustic means. Overall, the invention results in an effective one Means to prevent unwanted interference with a screw-in watch due to environmental influences with a comparatively large To avoid security.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
  • Electromechanical Clocks (AREA)

Abstract

PCT No. PCT/CH95/00210 Sec. 371 Date Oct. 4, 1996 Sec. 102(e) Date Oct. 4, 1996 PCT Filed Sep. 21, 1995 PCT Pub. No. WO96/09572 PCT Pub. Date Mar. 28, 1996In the case of a wristwatch (1) with a clockwork (13), which is surrounded by a case (4) and is operable by means of a winder (20) fitted in rotary manner to the outside of the case (4) by a spindle (7) guided through said case (4) and in which the winder (20) is constructed in sealed, screw-in manner, incorrect operation is largely avoided in that signalling or indicating means are provided in operative connection with the winder (20) and indicate whether or not the winder (20) is in the screwed in state.

Description

TECHNISCHES GEBIETTECHNICAL AREA

Die vorliegende Erfindung bezieht sich auf das Gebiet der Armbanduhren. Sie betrifft eine Armbanduhr mit einem Uhrwerk, welches von einem Gehäuse umgeben ist und mittels einer aussen am Gehäuse drehbar angebrachten Krone über eine durch das Gehäuse geführte Welle betätigbar ist, wobei die Krone als dichtend einschraubbare Krone ausgebildet ist.The present invention relates to the field of Wristwatches. It concerns a wristwatch with a clockwork, which is surrounded by a housing and by means of an outside crown rotatably attached to the case via a through the Housing guided shaft is actuated, with the crown as sealing screw-in crown is formed.

Eine solche Armbanduhr ist z.B. aus der Druckschrift CH-A3-682 968 bekannt.Such a wristwatch is e.g. from the publication CH-A3-682 968 known.

STAND DER TECHNIKSTATE OF THE ART

Bei Armbanduhren, die mittels einer Krone aufgezogen, verstellt oder anderweitig betätigt werden können, bildet die Durchführung der mit der Krone verbundenen Welle durch das Uhrengehäuse eine Schwachstelle im Bezug auf die Dichtigkeit gegen Staub, Wasser und andere Umwelteinflüsse. Man hat daher in der Vergangenheit eine Vielzahl von Lösungen vorgeschlagen, bei denen die Krone einschraubbar ausgebildet ist und im eingeschraubten Zustand eine erhöhte Dichtigkeit gewährleistet. Beispiele für Einschraubkronen lassen sich unter anderem den Schweizerischen Patenten Nr. 468 663, 582 908, 616 809, oder den Deutschen Patenten Nr. 30 17 496 und 33 13 515, oder der eingangs genannten Druckschrift entnehmen.Wristwatches wound with a crown are adjusted or can be operated in any other way Execution of the wave connected to the crown by the Watch case a weak point in terms of tightness against dust, water and other environmental influences. So you have proposed a variety of solutions in the past where the crown is screwable and in screwed-in condition ensures increased tightness. Examples of screw-in crowns can be found, among other things Swiss Patents No. 468 663, 582 908, 616 809, or German Patents No. 30 17 496 and 33 13 515, or take from the publication mentioned at the beginning.

Allen diesen Lösungen ist gemeinsam, dass beim Einschrauben der Krone eine zusätzliche Dichtung zum Einsatz kommt, die auf Druck belastet wird und daher eine verbesserte Abdichtung und höhere Druckdifferenzen zwischen Innen- und Aussenraum der Uhr ermöglicht. Soll jedoch das Uhrwerk über die Krone betätigt werden, muss die Krone gleichwohl vorher herausgeschraubt werden. Durch das Herausschrauben wird die mit der eingeschraubten Krone verbundene zusätzliche Dichtfunktion solange ausser Kraft gesetzt, bis die Krone nach dem Betätigen des Uhrwerks wieder eingeschraubt wird.All these solutions have in common that when screwing in an additional seal is used for the crown is subjected to pressure and therefore an improved seal and higher pressure differences between inside and outside of the clock. However, the clockwork should over the crown the crown must be unscrewed beforehand will. By unscrewing it with the screwed crown connected additional sealing function overruled until the crown is pressed the clockwork is screwed in again.

Es ist in diesem Zusammenhang nun nicht ungewöhnlich, dass der Träger der Uhr nach dem Betätigen des Uhrwerks vergisst, die Krone wieder einzuschrauben und somit den Zustand erhöhter Dichtigkeit herzustellen. Es kann dann zu Beschädigungen der Uhr kommen, wenn die vermeintlich dichte Uhr beim Baden, Tauchen oder dgl. extremen Umwelteinflüssen ausgesetzt wird.It is not uncommon in this context that the wearer of the watch forgets after operating the movement, screw the crown back in and thus the condition is increased Establish tightness. This can cause damage the clock come when the supposedly tight clock while bathing, Diving or the like. Is exposed to extreme environmental influences.

DARSTELLUNG DER ERFINDUNGPRESENTATION OF THE INVENTION

Es ist nun Aufgabe der Erfindung, eine Armbanduhr mit einschraubbarer Krone so auszubilden, dass eine Fehlbedienung der oben beschriebenen Art weitgehend ausgeschlossen wird.It is an object of the invention to provide a wristwatch with a screw-in mechanism Form the crown so that it can be operated incorrectly of the type described above is largely excluded.

Die Aufgabe wird bei einer Armbanduhr der eingangs genannten Art dadurch gelöst, dass Signalmittel vorgesehen sind, welche mit der Krone in Wirkverbindung stehen und signalisieren, ob sich die Krone im eingeschraubten Zustand befindet, oder nicht. The task is for a wristwatch of the type mentioned Art solved in that signal means are provided which are in active connection with the crown and signal whether the crown is screwed in, or Not.

Der Kern der Erfindung besteht also darin, die Armbanduhr so auszubilden, dass der Träger durch geeignete Signalmittel darauf aufmerksam gemacht wird, wenn sich die Einschraubkrone nicht im ordnungsgemäss eingeschraubten Zustand befindet.The essence of the invention is thus the wristwatch train that the carrier by suitable signaling means attention is drawn to this when the screw-in crown is not in the properly screwed-in state.

Grundsätzlich ist es denkbar, im Rahmen der Erfindung akustische Signalmittel einzusetzen, also beispielsweise einen elektrisch betriebenen Summer durch einen mit der Krone verbundenen elektrischen Kontakt zu betätigen. Eine solche Ausbildung würde sich für eine elektrische oder elektronische Uhr anbieten, weniger jedoch für eine Uhr mit mechanischem Uhrwerk.Basically, it is conceivable to use acoustic within the scope of the invention To use signaling means, for example one electrically operated buzzer through a connected to the crown to actuate electrical contact. Such training would opt for an electrical or electronic Offer a watch, but less for a watch with a mechanical one Clockwork.

Gemäss einer ersten bevorzugten Ausführungsform der Erfindung sind daher als Signalmittel optische Anzeigemittel vorgesehen. Obwohl auch hier eine elektrische Variante in Form eines Blinklichtes oder dgl. denkbar ist, gibt es für optische Signalmittel eine Vielzahl von rein mechanischen Realisierungsmöglichkeiten. Eine dieser Möglichkeiten besteht darin, unter der Krone einen Ring in einer Signal farbe anzuordnen, der bei eingeschraubter Krone verdeckt, bei herausgeschraubter Krone aber offen sichtbar ist. Da die Krone jedoch meist seitlich am Uhrengehäuse angeordnet ist, ist die Signalwirkung einer solchen Anordnung beschränkt.According to a first preferred embodiment of the invention optical display means are therefore provided as signaling means. Although here too an electrical variant in the form of a Flashing light or the like is conceivable, there are optical signaling means a variety of purely mechanical implementation options. One of these ways is under to arrange a crown in a signal color for the crown, which at screwed-in crown covered, with screwed-out crown but is openly visible. However, since the crown is usually on the side is arranged on the watch case, the signal effect is a limited such arrangement.

Eine weitere bevorzugte Ausführungsform der Erfindung zeichnet sich daher dadurch aus, dass die optischen Anzeigemittel innerhalb des Gehäuses angeordnet sind, und dass insbesondere die Uhr ein Zifferblatt aufweist, und die optischen Anzeigemittel innerhalb des Zifferblattes angeordnet sind. Da das Zifferblatt der Uhr sich in einer optisch günstigen Position befindet, wird eine starke Signalwirkung erreicht.Another preferred embodiment of the invention is characterized is therefore characterized in that the optical display means are arranged within the housing, and that in particular the watch has a dial and the optical display means are arranged within the dial. Since that The clock face is in a visually favorable position strong signal effect is achieved.

Eine vielseitige Einsetzbarkeit bei mechanischen wie auch bei elektrischen oder elektronischen Uhren wird erreicht, wenn gemäss einer weiteren bevorzugten Ausführungsform die optischen Anzeigemittel als mechanische Mittel ausgebildet sind und durch die Krone auf mechanischem Wege betätigt werden, wobei die optischen Anzeigemittel einen Schieber umfassen, welcher unterhalb des Zifferblattes derart verschiebbar gelagert ist, dass er beim Ein- bzw. Ausschrauben der Krone zwischen zwei Positionen verschoben wird, und wobei im Zifferblatt eine Oeffnung vorgesehen ist, welche im Verschiebungsweg des Schiebers liegt und durch welche die jeweilige Position des Schiebers erkennbar ist.Versatile usability with mechanical as well as with electric or electronic clocks is achieved when according to a further preferred embodiment, the optical Display means are designed as mechanical means and operated mechanically by the crown, the optical display means comprising a slide, which is slidably mounted below the dial is that when screwing in or unscrewing the crown between is moved two positions, and being in the dial an opening is provided which is in the displacement path of the slide and through which the respective position the slide is recognizable.

Der Schieber kann dabei sehr flach ausgeführt und zwischen Uhrwerk und Zifferblatt so angeordnet werden, dass ein Einsatz bei den unterschiedlichsten Uhrwerken und Uhren möglich ist. Als Oeffnung für die Positionsanzeige des Schiebers kann bevorzugt die Oeffnung der Datumsanzeige verwendet werden, sofern die Uhr eine separate Datumsanzeige aufweist.The slide can be made very flat and between Clockwork and dial are arranged so that one insert possible for a wide variety of movements and clocks is. Can be used as an opening for the position indicator of the slide preferably use the opening of the date display, provided the watch has a separate date display.

Ein besonders kompakter Aufbau und eine unverminderte Dichtigkeit ergibt sich, wenn gemäss einer weiteren bevorzugten Ausführungsform die Welle durch eine Bohrung im Gehäuse geführt ist, und die Welle innerhalb der Bohrung konzentrisch von einem Kronenrohr umgeben ist, welches am äusseren Ende mit der Krone verbunden ist und gemeinsam mit der Krone gedreht werden kann und beim Ein- bzw. Ausschrauben der Krone die optischen Anzeigemittel bzw. den Schieber betätigt.A particularly compact structure and undiminished tightness arises if according to another preferred Embodiment guided the shaft through a hole in the housing and the shaft is concentric within the bore is surrounded by a crown tube, which at the outer end connected to the crown and rotated together with the crown and when screwing the crown in or out the optical display means or the slide actuated.

Weitere Ausführungsformen ergeben sich aus den abhängigen Ansprüchen.Further embodiments result from the dependent claims.

KURZE ERLÄUTERUNG DER FIGURENBRIEF EXPLANATION OF THE FIGURES

Die Erfindung soll nachfolgend anhand von Ausführungsbeispielen im Zusammenhang mit der Zeichnung näher erläutert werden. Es zeigen

Fig. 1
ein bevorzugtes Ausführungsbeispiel für eine Armbanduhr nach der Erfindung im Schnitt entlang der Wellenachse (Fig. la) und im Querschnitt entlang der Ebene A-A aus Fig. 1a (Fig. 1b); und
Fig. 2
das Funktionsprinzip einer Uhr gemäss Fig. 1 bei Draufsicht auf das Zifferblatt anhand der beiden Zustände mit ausgeschraubter (a) und mit eingeschraubter (b) Krone.
The invention will be explained in more detail below on the basis of exemplary embodiments in connection with the drawing. Show it
Fig. 1
a preferred embodiment of a wristwatch according to the invention in section along the shaft axis (Fig. la) and in cross section along the plane AA of Fig. 1a (Fig. 1b); and
Fig. 2
the principle of operation of a watch according to FIG. 1 in a top view of the dial based on the two states with the crown unscrewed (a) and screwed in (b).

WEGE ZUR AUSFÜHRUNG DER ERFINDUNGWAYS OF CARRYING OUT THE INVENTION

In Fig. 1 ist im Schnitt ein bevorzugtes Ausführungsbeispiel für eine Armbanduhr nach der Erfindung wiedergegeben. Fig. 1a zeigt dabei im Ausschnitt den Teil der Uhr, welcher die Krone 20, die mit der Krone verbundene Welle 7 und deren Durchführung durch das Gehäuse 2 der Uhr umfasst. Fig. 1b stellt einen Schnitt in der Ebene A-A aus Fig. 1a dar.In Fig. 1 is a preferred embodiment in section reproduced for a wristwatch according to the invention. Fig. 1a shows in the detail the part of the watch, which is the crown 20, the shaft 7 connected to the crown and its implementation covered by the case 2 of the watch. 1b represents one Section in the plane A-A of Fig. 1a.

Die Armbanduhr 1 des Ausführungsbeispiels aus Fig. 1 umfasst ein innenliegendes Uhrwerk 13 mit darüberliegendem Zifferblatt 19, ein das Uhrwerk 13 ringförmig umgebendes Gehäuse 4, einen das Gehäuse 4 unten abschliessenden Boden 10, und eine das Gehäuse 4 oben abschliessende Lünette 2, welche auch die nicht dargestellte Glasabdeckung einfasst. Boden 10 und Lünette 2 sind mittels entsprechender Gewinde in das Gehäuse 4 eingeschraubt, wobei die gewünschte Dichtigkeit durch Dichtungen 3 und 9 erreicht wird, die in entsprechenden Nuten ringförmig zwischen Gehäuse 4 und Lünette 2 bzw. Boden 10 angeordnet sind.The wristwatch 1 of the exemplary embodiment from FIG. 1 comprises an internal movement 13 with an overlying dial 19, a housing 4 surrounding the clockwork 13 in a ring shape, a bottom 10 which closes the bottom 4, and one the housing 4 above closing bezel 2, which also the surrounds glass cover, not shown. Bottom 10 and bezel 2 are in the housing 4 by means of corresponding threads screwed in, the desired tightness through seals 3 and 9 is achieved in corresponding grooves arranged in a ring between the housing 4 and the bezel 2 or base 10 are.

Das Uhrwerk 13 lässt sich mittels einer Krone 20 betätigen (z.B. aufziehen oder verstellen), die aussen am Gehäuse 4 angeordnet ist und über eine Welle 7 in nicht näher dargestellter Weise mit dem Uhrwerk 13 in Wirkverbindung steht. Die Welle 7 ist dazu durch eine Bohrung 8 im Gehäuse 4 nach innen geführt. Die Krone 20, die in Fig. 1a nur ansatzweise gezeigt ist, ist in an sich bekannter Weise als einschraubbare Krone ausgeführt, d.h., sie wird dichtend mit dem Gehäuse 4 bzw. einem am Gehäuse befestigten Gewindestutzen verschraubt, wenn sie nicht benötigt wird, und losgeschraubt, wenn das Uhrwerk betätigt werden soll. Die Verschraubung kann beispielsweise so ausgestaltet sein, wie dies in den Figuren der eingangs genannten Druckschrift CH-A3-682 968 gezeigt ist. Der für die Verschraubbarkeit benötigte Gewindestutzen geht dabei in einen Tubus 5 über, der in die Bohrung 8 im Gehäuse 4 eingeschraubt, eingepresst oder anderweitig fest eingefügt ist und die Welle 7 konzentrisch umgibt.The clockwork 13 can be operated by means of a crown 20 (e.g. open or adjust), which are arranged on the outside of the housing 4 is and via a shaft 7 in not shown Way with the clockwork 13 is operatively connected. The For this purpose, shaft 7 is through a bore 8 in the housing 4 to the inside guided. The crown 20, which is only partially shown in Fig. 1a is, in a manner known per se, as a screw-in crown executed, i.e. it is sealed with the housing 4 or screwed to a threaded connector attached to the housing if it is not needed and unscrewed when the clockwork to be operated. The screw connection can, for example be designed as in the figures of the beginning mentioned document CH-A3-682 968 is shown. The one for the The screw connection required thread goes into one Tube 5 over, which is screwed into the bore 8 in the housing 4, pressed or otherwise firmly inserted and surrounds the shaft 7 concentrically.

Gegenüber der aus der Druckschrift CH-A3-682 968 bekannten Verschraubung ist der Tubus 5 beim in Fig. 1 dargestellten Ausführungsbeispiel nach innen zu verlängert und ragt über die Innenfläche des Gehäuses 4 hinaus in den Innenraum der Uhr hinein. Auf dem überstehenden Ende des Tubus 5 ist ein Zahnsegment 11 drehbar gelagert, welches vorzugsweise die in Fig. 1b dargestellte Form aufweist. Das Zahnsegement 11 ist als Kreisring ausgebildet. Der Innendurchmesser des Kreisringes ist dabei so gross gewählt, dass die Welle 7 ohne Schwierigkeiten durch die innere Oeffnung des Zahnsegments 11 hindurch zum Uhrwerk 13 geführt werden kann.Compared to that known from the document CH-A3-682 968 The tube 5 is screwed when shown in FIG. 1 Embodiment extended to the inside and protrudes the inner surface of the housing 4 into the interior of the Clock in. On the protruding end of the tube 5 is a Tooth segment 11 rotatably mounted, which preferably the in Fig. 1b has the shape shown. The tooth segment 11 is designed as a circular ring. The inner diameter of the annulus is chosen so large that the shaft 7 without difficulty through the inner opening of the tooth segment 11 can be led to the clockwork 13.

Auf der Innenseite des Kreisringes ist ein umlaufendes Kreisringsegment 15 angeformt, welches einen Segmentwinkel von vorzugsweise etwa 240° aufweist. Der vom Kreisringsegment 15 nicht erfasste Winkel von 120° bildet einen Eingriffsbereich für einen Mitnehmerfinger 14, dessen Funktion weiter unten noch näher beschrieben wird. Auf der Aussenseite des Zahnsegments 11 ist eine Mehrzahl von Zähnen 16 in Umfangsrichtung hintereinander angeordnet, die beim Drehen des Zahnsegments um die Tubusachse nacheinander in entsprechende Eingriffsöffnungen 18 in einem darüberliegenden Schieber 17 eingreifen und den Schieber in einer zum Zifferblatt 19 parallelen Ebene verschieben (siehe Fig. 2a,b).On the inside of the annulus is a circumferential annulus segment 15 integrally formed, which has a segment angle of preferably has about 240 °. The one from the circular ring segment 15 An angle of 120 ° which is not detected forms an engagement area for a driver finger 14, the function below is described in more detail. On the outside of the tooth segment 11 is a plurality of teeth 16 in the circumferential direction arranged one behind the other when rotating the tooth segment around the tube axis in succession in corresponding engagement openings 18 engage in an overlying slide 17 and the slider in a plane parallel to the dial 19 move (see Fig. 2a, b).

Der Schieber 17 kann - wie in Fig. 2 dargestellt - die Form eines Kreisringsegmentes haben, welches beim Drehen des Zahnsegmentes 11 entsprechend um einen bestimmten Winkel um die Zeigerachse der Armbanduhr 1 gedreht wird. Der Schieber 17 ist dabei direkt unterhalb des Zifferblattes 19 angeordnet. Im Verschiebungsweg des Schiebers 17 ist im Zifferblatt 19 eine Oeffnung 21 vorgesehen. Die Oeffnung 21 kann grundsätzlich speziell für die Anzeige des Einschraubzustandes der Krone vorgesehen sein. Vorzugsweise wird jedoch die Oeffnung einer Datumsanzeige 22 verwendet, sofern diese bei der Armbanduhr vorhanden ist (Fig. 2b).The slider 17 can - as shown in Fig. 2 - the shape a circular ring segment, which when rotating the toothed segment 11 accordingly by a certain angle The pointer axis of the wristwatch 1 is rotated. The slide 17 is arranged directly below the dial 19. The dial 19 is in the displacement path of the slide 17 an opening 21 is provided. The opening 21 can in principle especially for the display of the screwing in of the Crown may be provided. However, the opening is preferred a date display 22 used, provided that this in the wristwatch is present (Fig. 2b).

Der Schieber kann nun - je nach Einschraubzustand der Krone 20 - zwei Extremalpositionen einnehmen: In der einen Extremalposition, die einer herausgeschraubten Krone 20 entspricht, (Fig. 2a) verschliesst der Schieber 17 die Oeffnung 21. Ist die Oberseite des Schiebers 17 in diesem Bereich mit einer auffälligen, zur Farbe des Zifferblattes 19 kontrastierenden Farbe versehen (z.B. rot bei einem weissen Zifferblatt), erscheint die verschlossene Oeffnung 21 als roter Punkt innerhalb des weissen Zifferblattes. Der Träger der Armbanduhr wird auf diese Weise wirkungsvoll darauf aufmerksam gemacht, dass die Krone noch nicht eingeschraubt und die Uhr damit gefährdet ist. Ist die Krone 20 dagegen vollständig eingeschraubt, nimmt der Schieber 17 eine zweite Extremalposition ein (Fig. 2b), in welcher er die Oeffnung freigibt. In der Oeffnung wird dann in üblicher Weise das Datum angezeigt.The slider can now - depending on the screwed-in state of the crown 20 - take two extreme positions: in one extreme position, which corresponds to a screwed-out crown 20, (Fig. 2a), the slide 17 closes the opening 21. Is the top of the slider 17 in this area a striking, contrasting to the color of the dial 19 Color (e.g. red on a white dial), the closed opening 21 appears red Dot inside the white dial. The carrier of the This effectively draws attention to the wristwatch made that the crown has not yet been screwed in and the Watch is at risk. However, the crown 20 is complete screwed in, the slide 17 takes a second extreme position a (Fig. 2b), in which he releases the opening. In The opening is then shown the date in the usual way.

Die Anzeige des Einschraubzustandes ist erst dann besonders aussagekräftig und sicher, wenn der in Fig. 2 dargestellte Übergang zwischen den beiden Extremalpositionen des Schiebers 17 beim Einschrauben der Krone 20 erst bei der letzten oder den letzten Umdrehungen der Krone, und dann vergleichsweise abrupt, stattfindet. Um diesen Funktionsablauf zu gewährleisten, ist die mechanische Wirkverbindung zwischen der Krone 20 und dem Zahnsegment 11 auf besondere Weise ausgestaltet (Fig. 1): In der Bohrung 8 des Gehäuses 4 ist zwischen dem Tubus 5 und der Welle 7 konzentrisch ein Kronenrohr 6 angeordnet, welches mit der Krone 20 fest verbunden ist und sich mit der Krone mitdreht. Ein solches Kronenrohr ist bei der bekannten Einschraubkrone aus der CH-A3-682 968 ebenfalls vorhanden und vermittelt dort die mechanische Ankopplung der Krone an die Welle bei herausgeschraubter Krone.Only then is the display of the screwed-in state special meaningful and safe if the one shown in Fig. 2 Transition between the two extreme positions of the slide 17 when screwing in the crown 20 only at the last or the last turns of the crown, and then comparatively abruptly, takes place. To ensure this functional sequence, is the mechanical connection between the crown 20 and the toothed segment 11 designed in a special way (Fig. 1): In the bore 8 of the housing 4 is between the Tube 5 and shaft 7, a crown tube 6 is arranged concentrically, which is firmly connected to the crown 20 and itself turns with the crown. Such a crown tube is in the known screw-in crown from CH-A3-682 968 also available and mediates the mechanical coupling of the Crown on the shaft with the crown unscrewed.

Die Länge des Kronenrohres 6 ist so gewählt, dass es innen bei vollständig eingeschraubter Krone etwa auf derselben Höhe endet wie der Tubus 5. An diesem Ende des Kronenrohres 6 ist der bereits oben erwähnte Mitnehmerfinger 14 angeformt. Bei entsprechender Wahl der Steigung des Gewindes am Gewindestutzen der Krone kann nun erreicht werden, dass sich beim Einschrauben der Krone 20 das Kronenrohr 6 mit dem Mitnehmerfinger 14 in einer schraubenartigen Bewegung frei drehen kann, wobei der Mitnehmerfinger 14 zunehmend ins Innere der Uhr wandert, bis er bei der letzten in die innere Oeffnung des Zahnsegmentes 11 eintaucht und mit dem Ringsegment 15 in Eingriff kommt. Der Mitnehmerfinger 14 dreht dann das Zahnsegment 11 und der Schieber 17 gibt die Oeffnung 21 im Zifferblatt 19 frei. Eine selbsttätige Drehung des Zahnsegmentes 11 wird dabei dadurch verhindert, dass an der Aussenseite des Uhrwerks 13 eine Feder 12 angebracht ist, die das Zahnsegment 11 gegen den Tubus 5 drückt und so für die nötige Reibung sorgt.The length of the crown tube 6 is chosen so that it is inside with the crown fully screwed in at about the same height ends like the tube 5. There is 6 at this end of the crown tube the driver finger 14 already formed above. At appropriate choice of the pitch of the thread on the threaded connector the crown can now be reached when screwing in the crown 20, the crown tube 6 with the driver finger 14 can rotate freely in a screw-like movement, the driver finger 14 increasingly inside the watch wanders until it reaches the inner opening of the Tooth segment 11 dips and engages with the ring segment 15 is coming. The driver finger 14 then rotates the tooth segment 11 and the slider 17 are the opening 21 in the dial 19 free. An automatic rotation of the toothed segment 11 is thereby prevented that on the outside of the Clockwork 13 a spring 12 is attached to the toothed segment 11 presses against the tube 5 and so for the necessary friction worries.

Es versteht sich von selbst, dass die Erfindung nicht auf das hier erläuterte Ausführungsbeispiel beschränkt ist. Insbesondere kann im Falle einer mechanischen Anzeige die Kopplung zwischen der Krone 20 und den Anzeigemitteln 17, 21 anders ausgebildet sein und beispielsweise durch spezielle Hebel oder Gelenke erfolgen. Auch die Anzeigemittel selbst können in vielerlei Abwandlungen eingesetzt werden. So ist es unter anderem möglich, das Zifferblatt so zu gestalten, dass bei herausgeschraubter Krone die Ziffern der vollen Stunden verschwinden und nur bei vollständig eingeschraubter Krone sichtbar sind. Weiterhin ist es auch denkbar, die Anzeige elektrisch mittels eines Kontaktes zu steuern und als Anzeige elektro-optische oder elektro-akustische Mittel einzusetzen. Insgesamt ergibt sich mit der Erfindung ein wirkungsvolles Mittel, um unerwünschte Störungen einer Armbanduhr mit Einschraubkrone durch Umwelteinflüsse mit vergleichsweise grosser Sicherheit zu vermeiden.It goes without saying that the invention is not based on that embodiment explained here is limited. Especially in the case of a mechanical display, the coupling between the crown 20 and the display means 17, 21 differently be formed and for example by special levers or joints. The display means themselves can also be used in many variations. So it is under other possible to design the dial so that at unscrewed crown the digits of the hour disappear and only when the crown is fully screwed in are visible. It is also conceivable for the display to be controlled electrically by means of a contact and as a display to use electro-optical or electro-acoustic means. Overall, the invention results in an effective one Means to prevent unwanted interference with a screw-in watch due to environmental influences with a comparatively large To avoid security.

BEZEICHNUNGSLISTELIST OF DESIGNATIONS

11
ArmbanduhrWrist watch
22nd
LünetteBezel
3,93.9
Dichtungpoetry
44th
Gehäusecasing
55
TubusTube
66
KronenrohrCrown tube
77
Wellewave
88th
Bohrungdrilling
1010th
Bodenground
1111
ZahnsegmentTooth segment
1212th
Federfeather
1313
Uhrwerkclockwork
1414
MitnehmerfingerDriver finger
1515
KreisringsegmentCircular ring segment
1616
Zahntooth
1717th
SchieberSlider
1818th
EingriffsöffnungIntervention opening
1919th
ZifferblattClock face
2020th
KroneCrown
2121
OeffnungOpening
2222
DatumsanzeigeDate display

Claims (10)

  1. Wristwatch (1) with a clockwork (13), which is surrounded by a case (4) and is operable by means of a winder (20) fitted in rotary manner to the outside of the case (4) by means of a spindle (7) passed through the said case (4), the winder (20) being constructed as a winder which can be screwed in in sealing manner, characterized in that indicating means are provided, which are in operative connection with the winder (20) and indicate whether the winder (20) is or is not in the screwed in state.
  2. Wristwatch according to claim 1, characterized in that the indicating means are optical indicating means.
  3. Wristwatch according to claim 2, characterized in that the optical indicating means are located within the case (4).
  4. Wristwatch according to claim 3, characterized in that the watch has a dial (19) and that the optical indicating means are located within the dial (19).
  5. Wristwatch according to claim 4, characterized in that the optical indicating means are in the form of mechanical means and are operable mechanically by means of the winder (20).
  6. Wristwatch according to claim 5, characterized in that the optical indicating means incorporate a slider (17), which is so displaceably positioned below the dial (19) that on screwing in or unscrewing the winder (20) it is moved between two positions, and that the dial has an opening (21) located in the displacement path of the slider (17) and which indicates the position of the slider (17).
  7. Wristwatch according to claim 6, characterized in that the watch has a separate date indication (22) and that the opening of the date indication (22) is used as an opening (21) for indicating the position of the slider (17).
  8. Wristwatch according to one of the claims 5 to 7, characterized in that the spindle (7) passes through a bore (8) in the case (4) and that the spindle (7) is concentrically surrounded within the bore (8) by a winder tube (6), which is connected at the outer end to the winder (20) and can be rotated together with the winder (20) and on screwing in or unscrewing the winder (20) operates the optical indicating means or slider (17).
  9. Wristwatch according to claim 8, characterized in that, at the inner end, the winder tube (6) has a driving finger (14), which on screwing in the winder (20) engages in a toothed segment (11) mounted in rotary manner about the axis of the spindle (7) and which engages with its teeth (16) in corresponding engagement openings (18) in the slider (17) and displaces the latter on rotation.
  10. Wristwatch according to one of the claims 8 or 9, characterized in that the operative connection between the winder tube (6) and the optical indicating means or slider (17) is such that it only exists at the start or end of the screwing process on screwing in or unscrewing the winder (20).
EP95930363A 1994-09-22 1995-09-21 Wristwatch with screwed crown Expired - Lifetime EP0730758B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CH2888/94 1994-09-22
CH02888/94A CH686059B5 (en) 1994-09-22 1994-09-22 Wristwatch with screw-.
PCT/CH1995/000210 WO1996009572A1 (en) 1994-09-22 1995-09-21 Wristwatch with screwed crown

Publications (2)

Publication Number Publication Date
EP0730758A1 EP0730758A1 (en) 1996-09-11
EP0730758B1 true EP0730758B1 (en) 1998-06-17

Family

ID=4243860

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95930363A Expired - Lifetime EP0730758B1 (en) 1994-09-22 1995-09-21 Wristwatch with screwed crown

Country Status (10)

Country Link
US (1) US5646914A (en)
EP (1) EP0730758B1 (en)
JP (1) JPH09505897A (en)
KR (1) KR960706112A (en)
CN (1) CN1135799A (en)
AT (1) ATE167579T1 (en)
CH (1) CH686059B5 (en)
DE (1) DE59502594D1 (en)
ES (1) ES2118619T3 (en)
WO (1) WO1996009572A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE469380T1 (en) * 2007-08-30 2010-06-15 Eta Sa Mft Horlogere Suisse WATCH EQUIPPED WITH A FUNCTION DISPLAY
US9360841B1 (en) * 2015-11-23 2016-06-07 Vishal Tolani Watch with a time-setting bezel and shaft connection

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH13675A (en) * 1896-12-01 1897-07-31 E Andre Electric mountain railway
US1114947A (en) * 1912-02-17 1914-10-27 Louis F Verberckmoes Watchcase-crown.
US1178918A (en) * 1913-02-07 1916-04-11 Samuel S Hall Jr Winding-indicator for watches.
FR455344A (en) * 1913-03-10 1913-07-28 Roger Silhol Changing advertising watch
US2892303A (en) * 1956-02-08 1959-06-30 Schwartz Albert Winding stem construction for watches
US2912818A (en) * 1957-05-27 1959-11-17 Joseph Waldman & Sons Watch crowns
JPS6042393Y2 (en) * 1980-01-24 1985-12-26 シチズン時計株式会社 Waterproof reuse device for quartz watches

Also Published As

Publication number Publication date
CN1135799A (en) 1996-11-13
WO1996009572A1 (en) 1996-03-28
KR960706112A (en) 1996-11-08
EP0730758A1 (en) 1996-09-11
ATE167579T1 (en) 1998-07-15
DE59502594D1 (en) 1998-07-23
CH686059B5 (en) 1996-06-28
ES2118619T3 (en) 1998-09-16
US5646914A (en) 1997-07-08
CH686059GA3 (en) 1995-12-29
JPH09505897A (en) 1997-06-10

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