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EP0703512B1 - Wristwatch with a button to close an electric contact - Google Patents

Wristwatch with a button to close an electric contact Download PDF

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Publication number
EP0703512B1
EP0703512B1 EP95114782A EP95114782A EP0703512B1 EP 0703512 B1 EP0703512 B1 EP 0703512B1 EP 95114782 A EP95114782 A EP 95114782A EP 95114782 A EP95114782 A EP 95114782A EP 0703512 B1 EP0703512 B1 EP 0703512B1
Authority
EP
European Patent Office
Prior art keywords
case
knobs
tappet
watch according
ring
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
Application number
EP95114782A
Other languages
German (de)
French (fr)
Other versions
EP0703512A3 (en
EP0703512A2 (en
Inventor
Inge Ganter-Kaufmann
Pieter Kuschel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Junghans Uhren GmbH
Original Assignee
Junghans Uhren GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Junghans Uhren GmbH filed Critical Junghans Uhren GmbH
Publication of EP0703512A2 publication Critical patent/EP0703512A2/en
Publication of EP0703512A3 publication Critical patent/EP0703512A3/en
Application granted granted Critical
Publication of EP0703512B1 publication Critical patent/EP0703512B1/en
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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/001—Electromechanical switches for setting or display
    • 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
    • G04B37/0008—Cases for pocket watches and wrist watches
    • 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
    • G04B37/22—Materials or processes of manufacturing pocket watch or wrist watch cases
    • G04B37/225—Non-metallic cases

Definitions

  • the invention relates to a wristwatch according to the preamble of claim 1.
  • Such a clock in which instead of an externally operated and the wall of the Watch case traversing plunger as a push button switch to influence an internal Contact section a region of the injection molded plastic that can be deformed in a flexible manner Serves watch case is known from US-PS 4,178,751.
  • a radial if necessary Plug made of stiffer material that extends over the wall thickness is used the spatial definition of the tactile area.
  • the case side wall deformed here acts directly on one of several contact spring tongues punched out on an arc for their radial deflection up to the system against one fixed on the clockwork Counter contact.
  • a disadvantage of such switch training is that the actuation the peripheral along the cylindrical wall of the watch case against each other offset push button pressure ranges due to the interconnection of the contact springs the ring arch always creates the same potential connection to the individual mating contacts is what does not open up a great freedom of movement in terms of circuitry.
  • the invention is therefore based on the technical problem of a watch of the generic type Way of creating, which is mainly due to a more reliable effect in manual Characterized switch actuation and also more versatile circuitry Functions related to push button operation opened.
  • the ring-shaped housing of a wristwatch appears when the button is pressed no longer until the contact spring tongue finally comes into contact with its mating contact deformed, but experiences a pressure and travel transmitting double plunger a housing-fixed stop to take up further external pressure after the contact path from the contact spring tongue to the mating contact has already closed has been.
  • a double pimple inside acts as the actual pestle Housing between the contact spring tongue and a membrane-shaped taper or a plug formation in the housing wall. Any locally defined deformation area in the wall can under elastic pressure against a spatially assigned Pair of plunger knobs and thus against the contact spring assigned to it be pushed in manually. For this, the plunger knobs are z. B.
  • the respective The contact spring can in turn be spring-loaded against the plunger knobs issue; however, it is permanent in order to avoid the risk of permanent breakage mechanical alternating stress, preferably at a distance from the adjacent knob and thus held free of tension.
  • the contact springs and their counter contacts are individually attached to the factory and connected to circuit parts there, which means according to the circuit Execution via the mechanically lockable Contact distance z. B. switched through a reference potential or a circuit part (like a voltage or a frequency divider) can be bridged.
  • the wristwatch 11 shown in FIG. 2 has one annular housing 12 on the z. B. in plastic injection molding is made. Its central-axial Through opening 13 is visible closed by a watch glass 14, which in the housing 12 can be blown in or welded in. It is also possible within the scope of the present invention, first to inject a watch glass 14 made of crystal-clear material, to which the housing 12 made of colored, non-transparent material is injected to hermetically sealed along the edge with the watch glass 14 connect to.
  • recesses 16 protrude into what locally to a corresponding weakening of the wall of the Housing 12 leads. As a result, this respective area 17 defined deformed, namely (e.g. radially with respect to the Housing 12) are pressed.
  • the recesses 16 can also practically traverse the wall of the housing 12 and only through a film-shaped membrane 18 or one Stopper hermetically but deformably closed.
  • a Membrane 18 can be sprayed on separately, or already as Spray skin stopped when casting the housing 12. It adapts geometrically to the outer contour of the housing 12, but is expediently like a separately molded Plug as a deformation area 17 in color compared to the surrounding housing 12 removed.
  • the movement 24 is immersed in the interior 23 of the housing 12, which is preferably a radio-controlled clockwork with integrated Antenna according to DE-GM 93 15 669.
  • the housing 12 When inserting are already at work 24 in the housing opening 13 Dial and hands mounted.
  • the housing 12 thus equipped with the movement 24 by the blown in or screwed on like a bayonet Floor 27 with built-in or inserted battery locked.
  • the way the knobs operate 19'-19 is mechanically limited to overload to avoid.
  • each a contact spring 28 is held which (with respect to the housing ring) preload-free radial to local assigned plunger knobs 19 protrudes.
  • With external pressure on it is injected here in the form of a plug 18 from this knob 19 to one also at work 24 held counter contact 29 pressed. This will make one Contact path 30 closed and in plant 24 one electrical function triggered, such as switching one Display presentation or the advancement of a display organ.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Clocks (AREA)
  • Push-Button Switches (AREA)

Abstract

The contact operating button is provided by a deformable section(17) of the hermetically-sealed injection moulded plastics watch case(12), which can be depressed for operating a spring-biased operating rod(19,19') acting on an electrical contact spring(28). The deformable section of the watch case is provided as a membrane, with the operating rod supported between it and the contact spring by a peripheral support ring(20) to which the operating rod is attached via a number of angularly spaced resilient tongues(32).

Description

Die Erfindung betrifft eine Armband-Uhr gemäß dem Oberbegriff des Anspruches 1.The invention relates to a wristwatch according to the preamble of claim 1.

Eine solche Uhr, bei welcher anstelle eines extern betätigbaren und die Wandung des Uhrgehäuses durchquerenden Stößels als Tastschalter zur Beeinflussung einer internen Kontaktstrecke ein biegeelastisch verformbarer Bereich des aus Kunststoff gespritzten Uhrengehäuses dient, ist aus der US-PS 4,178,751 bekannt. Ein gegebenenfalls radial über die Wandstärke sich erstreckend eingesetzter Stopfen aus steiferem Material dient der räumlichen Definition des Tast-Bereiches. Die hier verformte Gehäuse-Seitenwand wirkt unmittelbar auf eine von mehreren an einem Ringbogen freigestanzten Kontakt-Federzungen zu deren radialer Auslenkung bis zur Anlage gegen einen am Uhrwerk festgelegten Gegenkontakt. Nachteilig bei solcher Schalterausbildung ist, daß durch die Betätigung der peripher längs der zylindrischen Wandung des Uhrgehäuses gegeneinander versetzten Taster-Druckbereiche wegen der Zusammenschaltung der Kontaktfedern über den Ringbogen stets dieselbe Potentialverbindung zu den einzelnen Gegenkontakten hergestellt wird, was keine große schaltungstechnische Freizügigkeit eröffnet.Such a clock, in which instead of an externally operated and the wall of the Watch case traversing plunger as a push button switch to influence an internal Contact section a region of the injection molded plastic that can be deformed in a flexible manner Serves watch case is known from US-PS 4,178,751. A radial if necessary Plug made of stiffer material that extends over the wall thickness is used the spatial definition of the tactile area. The case side wall deformed here acts directly on one of several contact spring tongues punched out on an arc for their radial deflection up to the system against one fixed on the clockwork Counter contact. A disadvantage of such switch training is that the actuation the peripheral along the cylindrical wall of the watch case against each other offset push button pressure ranges due to the interconnection of the contact springs the ring arch always creates the same potential connection to the individual mating contacts is what does not open up a great freedom of movement in terms of circuitry.

Der Erfindung liegt deshalb die technische Problematik zugrunde, eine Uhr gattungsgemäßer Art zu schaffen, die sich vor allem durch eine zuverlässigere Wirkung bei der manuellen Schalterbetätigung auszeichnet und auch vielseitigere schaltungstechnische Funktionen in Zusammenhang mit der Taster-Betätigung eröffnet.The invention is therefore based on the technical problem of a watch of the generic type Way of creating, which is mainly due to a more reliable effect in manual Characterized switch actuation and also more versatile circuitry Functions related to push button operation opened.

Diese Aufgabe ist erfindungsgemäß im wesentlichen dadurch gelöst, daß die gattungsgemäße Uhr auch die Merkmale des Kennzeichnungsteils des Hauptanspruchs aufweist.This object is essentially achieved in that the generic Watch also has the features of the labeling part of the main claim.

Nach dieser Lösung wird bei der Taster-Betätigung das ringförmige Gehäuse einer Armbanduhr nicht mehr bis zur endgültigen Anlage der Kontaktfederzunge gegen ihren Gegenkontakt verformt, sondern ein druck- und wegübermittelnder Doppel-Stössel erfährt einen gehäusefesten Anschlag zur Aufnahme der weiteren externen Druckausübung nachdem die Kontaktstrecke von der Kontaktfederzunge zum Gegenkontakt bereits geschlossen wurde. Als eigentlicher Stößel wirkt somit eine doppelte Noppe im Innern des Gehäuses zwischen der Kontaktfederzunge und einer membranförmigen Verjüngung oder einer Stopfenausbildung in der Gehäusewandung. Jeder lokal definierte Verformungsbereich in der Wandung kann unter elastischem Andruck gegen ein räumlich zugeordnetes Paar von Stößel-Noppen und damit gegen die ihm zugeordnete Kontaktfeder manuell eingedrückt werden. Dafür sind die Stößel-Noppen z. B. an Biegelaschen ausgebildet, die in Wandungs-Aussparungen eingreifen und an einem gesondert eingesprengten Funktionsring am Gehäuseboden oder am Gehäuse selbst angelenkt sind. Ein besonders guter hermetisch dichter Abschluß des Verformungsbereiches ergibt sich dadurch, daß Membranen oder Betätigungsstopfen nachträglich zur innigen Materialverbindung auf den profilierten Rand von ursprünglich beim Spritzen freigesparten Durchgangsöffnungen in der Gehäusewandung aufgespritzt sind; oder Membranen entstehen bereits als Spritzhäute beim Kunststoff-Spritzguß der mit den inneren Ausparungen profilierten Gehäusewand. Die Stößel-Noppen sind. von den Biegelaschen federeleastisch gegen die zugeordnete Membran oder dergleichen Betätigungselement angedrückt. Die jeweilige Kontaktfeder ihrerseits kann unter federelastischer Vorspannung gegen die Stößel-Noppen anliegen; sie ist aber, zur Vermeidung einer Dauerbruchgefahr infolge ständiger mechanischer Wechselbeanspruchung, vorzugsweise distanziert zum benachbarten Noppen und somit vorspannungsfrei gehaltert. Die Kontaktfedern und ihre Gegenkontakte sind individuell am Werk befestigt und dort an Schaltungsteile angeschlossen, wodurch je nach der schal-tungsmäßigen Ausführung über die mechanisch schließbare Kontaktstrecke z. B. ein Referenzpotential durchgeschaltet oder ein Schaltungsteil (wie ein Spannungs- oder ein Frequenzteiler) überbrückt werden kann.According to this solution, the ring-shaped housing of a wristwatch appears when the button is pressed no longer until the contact spring tongue finally comes into contact with its mating contact deformed, but experiences a pressure and travel transmitting double plunger a housing-fixed stop to take up further external pressure after the contact path from the contact spring tongue to the mating contact has already closed has been. A double pimple inside acts as the actual pestle Housing between the contact spring tongue and a membrane-shaped taper or a plug formation in the housing wall. Any locally defined deformation area in the wall can under elastic pressure against a spatially assigned Pair of plunger knobs and thus against the contact spring assigned to it be pushed in manually. For this, the plunger knobs are z. B. formed on bending tabs, which engage in wall recesses and on a separately blown-in Function ring are hinged to the housing base or on the housing itself. A special one good hermetic sealing of the deformation area results from that diaphragms or actuating plugs subsequently for an intimate material connection on the profiled edge of through openings originally left free during spraying are sprayed on the housing wall; or membranes are already created as Spray skins in plastic injection molding of those profiled with the internal recesses Housing wall. The plunger knobs are. of the flexible tabs against the elastic assigned membrane or the like actuating element pressed. The respective The contact spring can in turn be spring-loaded against the plunger knobs issue; however, it is permanent in order to avoid the risk of permanent breakage mechanical alternating stress, preferably at a distance from the adjacent knob and thus held free of tension. The contact springs and their counter contacts are individually attached to the factory and connected to circuit parts there, which means according to the circuit Execution via the mechanically lockable Contact distance z. B. switched through a reference potential or a circuit part (like a voltage or a frequency divider) can be bridged.

Zusätzliche Alternativen und Weiterbildungen sowie weitere Merkmale und Vorteile der Erfindung ergeben sich aus den weiteren Ansprüchen und aus nachstehender Beschreibung von in der Zeichnung unter Beschränkung auf das Wesentliche stark abstrahiert skizzierten bevorzugten Realisierungsbeispielen zur erfindungsgemäßen Lösung. In der Zeichnung zeigt:

Fig. 1
in abgebrochener senkrechter Schnittdarstellung Stössel-Noppen zwischen Taster-Stopfen und elektromechanischen Schaltkontakten sowie
Fig. 2
in Explosionsdarstellung eine in den Gehäuse-Boden integrierte Noppenhalterung mit Bewegungsbegrenzung im Gehäusering.
Additional alternatives and further developments as well as further features and advantages of the invention result from the further claims and from the following description of preferred implementation examples for the solution according to the invention, which are sketched in a highly abstracted manner and limited to the essentials. The drawing shows:
Fig. 1
in a broken vertical sectional view, plunger knobs between the push button plug and electromechanical switching contacts as well
Fig. 2
exploded view of a knob holder integrated in the housing base with movement limitation in the housing ring.

Die Armband-Uhr 11 gemäß Fig. 2 weist ein im wesentlichen ringförmiges Gehäuse 12 auf, das z. B. im Kunststoff-Spritzguß hergestellt ist. Seine zentral-axiale Durchgangs-Öffnung 13 ist sichtseitig von einem Uhrglas 14 verschlossen, das in das Gehäuse 12 eingesprengt oder eingeschweißt werden kann. Es ist im Rahmen vorliegender Erfindung aber auch möglich, zunächst ein Uhrglas 14 aus glasklarem Material zu spritzen, auf das dann unmittelbar das Gehäuse 12 aus eingefärbtem, nicht-durchsichtigem Material angespritzt wird, um sich längs des Randes hermetisch dicht mit dem Uhrglas 14 zu verbinden.The wristwatch 11 shown in FIG. 2 has one annular housing 12 on the z. B. in plastic injection molding is made. Its central-axial Through opening 13 is visible closed by a watch glass 14, which in the housing 12 can be blown in or welded in. It is also possible within the scope of the present invention, first to inject a watch glass 14 made of crystal-clear material, to which the housing 12 made of colored, non-transparent material is injected to hermetically sealed along the edge with the watch glass 14 connect to.

In die im wesentlichen hohlzylindrische Innenmantelfläche 15 der Gehäuse-Öffnung 13 ragen Aussparungen 16 hinein, was lokal zu einer entsprechenden Schwächung der Wandung des Gehäuses 12 führt. Dadurch kann dieser jeweilige Bereich 17 definiert verformt, nämlich (z. B. radial bezüglich des Gehäuses 12) eingedrückt werden. Die Aussparungen 16 können auch die Wandung des Gehäuses 12 praktisch durchqueren und nur durch jeweils eine folienförmige Membran 18 oder einen Stopfen hermetisch aber verformbar verschlossen sein. Eine Membran 18 kann gesondert aufgespritzt, oder aber schon als Spritzhaut beim Guß des Gehäuses 12 stehengeblieben sein. Sie paßt sich der Außenkontur des Gehäuses 12 geometrisch an, ist aber zweckmäßigerweise wie ein gesondert angespritzter Stopfen als Verformungsbereich 17 farblich gegenüber dem umgebenden Gehäuse 12 abgesetzt.In the essentially hollow cylindrical inner surface 15 of the housing opening 13, recesses 16 protrude into what locally to a corresponding weakening of the wall of the Housing 12 leads. As a result, this respective area 17 defined deformed, namely (e.g. radially with respect to the Housing 12) are pressed. The recesses 16 can also practically traverse the wall of the housing 12 and only through a film-shaped membrane 18 or one Stopper hermetically but deformably closed. A Membrane 18 can be sprayed on separately, or already as Spray skin stopped when casting the housing 12. It adapts geometrically to the outer contour of the housing 12, but is expediently like a separately molded Plug as a deformation area 17 in color compared to the surrounding housing 12 removed.

In den Innenraum 23 des Gehäuses 12 taucht das Werk 24 ein, bei dem es sich bevorzugt um ein Funkuhrenwerk mit integrierter Antenne gemäß DE-GM 93 15 669 handelt. Beim Einsetzen in die Gehäuse-Öffnung 13 sind am Werk 24 bereits Zifferblatt und Zeiger montiert. Schließlich wird das so mit dem Werk 24 bestückte Gehäuse 12 durch den eingesprengten oder bajonettähnlich aufgeschraubten Boden 27 mit eingebauter oder eingelegter Batterie verschlossen. Der Betätigungsweg der Noppen 19'-19 wird mechanisch begrenzt, um Überlastungen zu vermeiden. Dafür stehen Anschläge 34 etwa vom Boden 27 oder gemäß Fig. 1 vom Gehäuse 12 her in Richtung auf den Boden 27 zu achsparallel vor, um zwischen Noppen-Biegelaschen 32 und Federzungen 28 einzugreifen (vgl. Fig.1).The movement 24 is immersed in the interior 23 of the housing 12, which is preferably a radio-controlled clockwork with integrated Antenna according to DE-GM 93 15 669. When inserting are already at work 24 in the housing opening 13 Dial and hands mounted. Eventually the housing 12 thus equipped with the movement 24 by the blown in or screwed on like a bayonet Floor 27 with built-in or inserted battery locked. The way the knobs operate 19'-19 is mechanically limited to overload to avoid. There are stops 34 from about Bottom 27 or as shown in FIG. 1 from the housing 12 in the direction on the floor 27 to axially parallel to between Knob-bending tabs 32 and spring tongues 28 engage (see Fig. 1).

Wie aus der Prinzipdarstellung der Fig. 1 im übrigen ersichtlich, ist am Werk 24, dem jeweiligen Gehäuse-Verformungsbereich 17 örtlich zugeordnet, jeweils eine Kontaktfeder 28 gehaltert, die (bezüglich des Gehäuseringes) vorspannungsfrei radial bis vor den örtlich zugeordneten Stössel-Noppen 19 ragt. Bei äußerem Druck auf die hier stopfenförmig eingespritzte Membran 18 wird sie von dieser Noppe 19 an einen ebenfalls am Werk 24 gehalterten Gegenkontakt 29 gedrückt. Dadurch wird eine Kontaktstrecke 30 geschlossen und im Werk 24 eine elektrische Funktion ausgelöst, wie etwa das Umschalten einer Anzeigedarstellung oder das Fortschalten eines Anzeigeorgans.As can be seen from the basic illustration in FIG. 1, is at work 24, the respective housing deformation area 17 assigned locally, each a contact spring 28 is held which (with respect to the housing ring) preload-free radial to local assigned plunger knobs 19 protrudes. With external pressure on it is injected here in the form of a plug 18 from this knob 19 to one also at work 24 held counter contact 29 pressed. This will make one Contact path 30 closed and in plant 24 one electrical function triggered, such as switching one Display presentation or the advancement of a display organ.

Auch bei der Weiterbildung gemäß Fig. 2 ist die Funktion des Halte-Ringes für die Stössel-Noppen 19-19' an den Boden 27 verlegt, um ein gesondert zu montierendes Bauteil (nämlich den Ring 21 gemäß Fig. 1) einzusparen. Dafür sind wieder im wesentlichen parallel zur Uhren-Achse 31 und damit quer zur Bodenfläche vorstehenden Biegelaschen 32 vorgesehen, die an einen Kunststoff-Boden 27 (oder an das Gehäuse 12) angespritzt sind. Kurz vor den freien Enden der Biegelaschen 32 ragen Noppen 19-19' gegensinnig radial vor, also etwa parallel zum Boden 27 radial nach innen und außen bezüglich des Gehäuses 12. Beim Aufsetzen des Bodens 27 auf das Gehäuse 12 tauchen die Biegelaschen 32 in Schlitze 33 ein, die etwa parallel zur Achse 31 in das Gehäuse 12 hinein verlaufen. Diese Schlitze 33 sind durch mittige Aussparungen 16, 16' erweitert und zum Innern des Gehäuses 12 hin geöffnet, so daß sich eine kurze kreuzförmige Querschnittsgeometrie der Schlitze 33 insgesamt ergibt. Beim Eintauchen der Biegelaschen 32 vom Boden 27 in die Schlitze 33 werden die Noppen 19-19' in den ebenfalls achsparallelen Aussparungen 16, 16' geführt. Radial zur zentralen Gehäuse-Öffnung 13 hindurchragend liegen gegen die inneren Noppen 19 wieder (gemäß Fig.1) die ihnen örtlich zugeordneten Biegefedern 28 druckfrei an. Bei äußerem lokalem Druck auf eine der Membranen 18 im Verformungsbereich 17 des Gehäuses 12 wird über die äußere Noppe 19' die Biegelasche 32 verschwenkt und dadurch die innere Noppe 19 gegen die Kontaktfeder 28 zur Überbrückung der Kontaktstrecke 30 gedrückt. Dabei wird der Betätigungsweg, also die federelastische Verbiegung der Noppen-Lasche 32, durch die Radialabmessung des Schlitzes 33 begrenzt, die dafür etwas größer als die Stärke der Biegelasche 32 ist und so als Anschlag 34 dient.The function is also in the development according to FIG. 2 of the retaining ring for the plunger knobs 19-19 'on the floor 27 relocated to a component to be assembled separately (namely to save the ring 21 according to FIG. 1). Are for again essentially parallel to the clock axis 31 and bending tabs 32 projecting transversely to the bottom surface provided to a plastic floor 27 (or to the Housing 12) are molded. Just before the free ends of the Bending tabs 32 protrude nubs 19-19 'radially in opposite directions, So roughly parallel to the bottom 27 radially inwards and outwards with respect to the housing 12. When putting the bottom 27 on the housing 12 immerses the bending tabs 32 in slots 33 a, which is approximately parallel to the axis 31 in the housing 12 run into it. These slots 33 are through the center Recesses 16, 16 'expanded and for the interior of the housing 12 open so that there is a short cruciform Cross-sectional geometry of the slots 33 results in total. When immersing the bending tabs 32 from the bottom 27 in the Slots 33 are the knobs 19-19 'in the likewise axially parallel recesses 16, 16 'out. Radial to central housing opening 13 projecting through the inner knobs 19 again (according to Fig.1) them locally assigned spiral springs 28 without pressure. At external local pressure on one of the membranes 18 in the deformation area 17 of the housing 12 is on the outer Knob 19 'pivoted the bending tab 32 and thereby the inner knob 19 against the contact spring 28 for bridging the contact path 30 pressed. The actuation path, So the spring-elastic bending of the knob tab 32, by the radial dimension of the slot 33 limited, which is slightly larger than the strength of the bending tab 32 and thus serves as a stop 34.

Die Orientierung der mechanisch, über Druckausübung auf die Membran 18, verschiebbaren Stössel-Noppen 19-19' muß nicht quer zur Uhrgehäuse-Achse 31 sein; statt wie in den Ausführungsbeispielen dargelegt an der Seitenwand kann der Verformungsbereich 17 nämlich auch stattdessen oder zusätzlich auf einer Stirnwand, vorzugsweise auf der sichtseitigen Stirnwand des Gehäuses 12 neben dem Uhrglas 14, ausgebildet sein.The orientation of the mechanical, via pressure on the Diaphragm 18, sliding plunger knobs 19-19 'does not have to be transverse to the watch case axis 31; instead of as in the exemplary embodiments set out on the side wall Deformation area 17 namely instead or additionally on an end wall, preferably on the visible side End wall of the housing 12 formed next to the watch glass 14 be.

Claims (9)

  1. Wristwatch (11) having at least one push-button which can be operated from outside its case (12) for closing a contact path (30) on the mechanism (24) inserted in the case (12), the push-button consisting of a deformation area (17) in the case (12) which is associated with the contact path (30),
    characterized in that
    the deformation area (17) acts by way of tappet knobs (19-19') on a contact spring (28) of the contact path (30)
    the tappet knobs (19-19') are formed on a holder (20) which is fixed as a bending lug (32) to the case (12),
    the bending lug (32) bears a tappet knob (19) which reaches through an opening (16) in the case (12) towards the contact spring (28),
    the bending lug (32) engages in a slot (33) made in the case (12),
    and the slot (33) made in the case (12) for the bending lug (32), in its movement towards the contact spring (28), forms a stop (34).
  2. Watch according to Claim 1,
    characterized in that
    the holder (20) takes the form of an elastic ring on which several knobs (19-19', 19-19') for the functioning of several buttons are disposed so as to be peripherally offset in relation to one another.
  3. Watch according to Claim 2,
    characterized in that
    an interrupted ring in the style of a retaining ring is inserted into an axial through opening (13) of the case (12), the ring bearing knobs on at least one peripheral front end.
  4. Watch according to one of Claims 2 or 3,
    characterized in that
    the ring has an undulating area of stretch next to a knob (19-19') provided on the ring.
  5. Watch according to one of the preceding claims,
    characterized in that
    the contact springs (28) rest against the inner tappet knobs (19) and, in the same way as their co-operating contacts (29), are fixed to the mechanism (24).
  6. Watch according to Claim 1,
    characterized in that
    the tappet knobs (19-19') are provided on bending lugs (32) which project from the back (27) of the case or from the case (12) roughly parallel to the axis (31) of the mechanism.
  7. Watch according to Claim 6,
    characterized in that
    the bending lugs (32) engage in slots (33) which are parallel to the axis, their width being somewhat greater than the thickness of the bending lugs (32), so as to serve as stops (34).
  8. Watch according to Claim 7,
    characterized in that
    the slots (33) have recesses (16,16') oriented at right angles to them for receiving the tappet knobs (19-19') of which the inner knobs (19) reach through openings (16) towards the central opening (13) of the case.
  9. Watch according to one of the preceding claims,
    characterized in that
    external tappet knobs (19') rest free of initial stress against the deformation areas (17), in which case recesses (16) are hermetically but elastically sealed, in which the knobs (19') engage.
EP95114782A 1994-09-23 1995-09-20 Wristwatch with a button to close an electric contact Expired - Lifetime EP0703512B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9415401U 1994-09-23
DE9415401U DE9415401U1 (en) 1994-09-23 1994-09-23 Clock, in particular wristwatch, with key switch for actuating an electrical contact path

Publications (3)

Publication Number Publication Date
EP0703512A2 EP0703512A2 (en) 1996-03-27
EP0703512A3 EP0703512A3 (en) 1997-01-15
EP0703512B1 true EP0703512B1 (en) 1999-12-01

Family

ID=6914047

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95114782A Expired - Lifetime EP0703512B1 (en) 1994-09-23 1995-09-20 Wristwatch with a button to close an electric contact

Country Status (3)

Country Link
EP (1) EP0703512B1 (en)
AT (1) ATE187262T1 (en)
DE (2) DE9415401U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2748828B1 (en) * 1996-05-17 1998-07-10 Smh Management Services Ag ASSEMBLY COMPRISING A HARD PLASTIC WATCH BOX AND AT LEAST ONE PUSH-BUTTON, AND METHOD FOR MANUFACTURING SUCH AN ASSEMBLY
EP0845718B1 (en) 1996-12-02 2000-05-10 Eta SA Fabriques d'Ebauches Electric switching means on a printed circuit board and watch comprising such a switch
EP3958067A1 (en) * 2020-08-17 2022-02-23 The Swatch Group Research and Development Ltd Device for attaching a bottom on a middle for a clockpiece
CH718029A1 (en) 2020-11-02 2022-05-13 Cartier Int Ag Deformable watch box.
CH718030A1 (en) 2020-11-02 2022-05-13 Cartier Int Ag Wristwatch comprising a mobile bracelet.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4053688A (en) * 1975-12-08 1977-10-11 Perkins Carroll R Battery holder
US4051665A (en) * 1976-01-14 1977-10-04 Hayden/Arn Productions Limited Operating switch and retainer for digital watch cases
CH604243B5 (en) 1976-03-25 1978-08-31 Ebauches Electroniques Sa
US4178751A (en) * 1977-03-09 1979-12-18 Liautaud James P Integrally molded watch casing and band

Also Published As

Publication number Publication date
DE9415401U1 (en) 1996-01-25
EP0703512A3 (en) 1997-01-15
ATE187262T1 (en) 1999-12-15
DE59507321D1 (en) 2000-01-05
EP0703512A2 (en) 1996-03-27

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