EP1542098B1 - Timepiece barrel device - Google Patents

Timepiece barrel device Download PDF

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Publication number
EP1542098B1
EP1542098B1 EP04025264A EP04025264A EP1542098B1 EP 1542098 B1 EP1542098 B1 EP 1542098B1 EP 04025264 A EP04025264 A EP 04025264A EP 04025264 A EP04025264 A EP 04025264A EP 1542098 B1 EP1542098 B1 EP 1542098B1
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EP
European Patent Office
Prior art keywords
barrel
spring
arrangement according
core
wheel
Prior art date
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Application number
EP04025264A
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German (de)
French (fr)
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EP1542098A2 (en
EP1542098A3 (en
Inventor
Jens Schneider
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Lange Uhren GmbH
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Lange Uhren GmbH
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Publication of EP1542098A3 publication Critical patent/EP1542098A3/en
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    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00Driving mechanisms
    • G04B1/10Driving mechanisms with mainspring
    • G04B1/12Driving mechanisms with mainspring with several mainsprings
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00Driving mechanisms
    • G04B1/10Driving mechanisms with mainspring
    • G04B1/16Barrels; Arbors; Barrel axles
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B1/00Driving mechanisms
    • G04B1/10Driving mechanisms with mainspring
    • G04B1/18Constructions for connecting the ends of the mainsprings with the barrel or the arbor
    • G04B1/20Protecting arrangements against rupture or overwinding of the mainspring located in the barrel or attached to the barrel
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B29/00Frameworks
    • G04B29/02Plates; Bridges; Cocks
    • GPHYSICS
    • G04HOROLOGY
    • G04BMECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B33/00Calibers
    • G04B33/12Calibers for extremely long running times

Definitions

  • the invention relates to a barrel device for a clock, with a fixed plate-shaped member having a circular recess in which a barrel is rotatably mounted with its corresponding circular outer contour, with a coaxially rotatably mounted to the barrel arranged Federkem, of a spiral-like Tension spring is enclosed, which is connected with its inner end to the spring core and with its outer end to the barrel, with the barrel a gear ring exhibiting elevator wheel exhibiting elevator drive and the spring core a first wheel of a train of the clock are firmly connected.
  • the bearing length is in proportion to the diameter of the barrel small, so that the barrel can tilt and clamp in the well deviating significantly from its desired axis.
  • a barrel device for a watch which has a stationary plate-like component which has a circular recess. In this recess, a barrel is arranged, which is rotatably mounted on an axis.
  • a barrel house device having a fixed plate-shaped member having a circular recess in which a barrel is arranged with radial play.
  • the barrel has a sprocket which extends radially across the diameter of the circular recess. Parallel to the sprocket has the barrel at its radially circumferential surface a radially encircling annular groove, projecting into the diametrically opposite two attached to the plate-shaped component retaining strips and rotatably support the barrel axially guided.
  • the object of the invention is therefore to provide a barrel device of the type mentioned, which is at high accuracy of the Wearable the clock characterized by a small space requirement and allows precise storage of the running spring core.
  • the circular recess is formed continuously in the plate-shaped member and the barrel has two radially beyond the diameter of the circular recess extending support portions, which is in each case at one of the opposite side surfaces of the plate-shaped component in abutment.
  • At least one support region can be detachably connected to the barrel, in particular by a screw connection.
  • a stable configuration with sufficiently large screws is thereby made possible that the barrel is pot-shaped with a bottom, with which a support area is connected by screws.
  • the floor and the support area connected to this floor can have coaxial through holes through which the spring core protrudes from the barrel.
  • the bottom can have a coaxial with the outside protruding cylindrical centering approach, on which a disc-like trained support area with a corresponding hole can be placed.
  • the bottom may have a coaxial bearing bore in which one end of the spring core is rotatably mounted or in which a bearing for rotatably supporting one end of the spring core is inserted, thereby also increasing the accuracy of the movement becomes.
  • one end of the spring core is rotatably mounted in a bearing which is arranged in a direction parallel to the plate-shaped member bridge.
  • the protruding from the barrel end of the Federkems carry a gear of an accessory device wherein the gear can be a gear of a position gear to limit the circulation number or a gear of a transmission to display a power reserve.
  • the additional device outside the barrel arranged on the top of the trained as a lift wheel support area and z. B be easily accessible for setting operations.
  • One end of the spring core can be rotatably mounted in a bearing which is arranged on a fixed work plate which is located at such a distance from the plate-shaped component, that a relatively large bearing distance of the bearing of the spring core can be achieved. This contributes to an exact storage of the first wheel of the gear train of the clock and thus also to a high accuracy of the movement.
  • one of the support areas can be designed as a lift wheel.
  • the elevator wheel can also be a ratchet wheel.
  • a few components requiring training is achieved in that the barrel is provided with the ring gear of the elevator wheel.
  • At least one of the support areas may be formed like a ring.
  • the plate-shaped component has a step-like recess surrounding the circular recess, in which one of the support regions is arranged, which is supported axially on the bottom of the step-shaped recess, a small overall height is achieved.
  • the frictional resistances during rotation of the first spring housing are low due to the small contact surface of the one support region at the bottom of the stepped recess.
  • the fixed plate-shaped component can be a double bridge wheel bridge.
  • the first wheel of the movement is a drive wheel.
  • the spring core consists of a spring shaft and a spring sleeve rotatably mounted on the spring sleeve, with which the tension spring is connected to its inner end and with another spring core enclosing spiral-like tension spring with its inner end with the spring sleeve and with its outer end with is connected to the other barrel and wherein the first wheel of the movement is firmly connected to the spring shaft and the other barrel.
  • At least one of the coaxial openings of the barrel and / or the other barrel can be closed by a barrel cover, which has a coaxial opening through which the spring core protrudes.
  • One or more bearings of the spring core may be formed as a stone bearing.
  • the illustrated spring device have a cup-like barrel 1 with a bottom 2, which has at its mouth opening a flange-like, ring-like first support region 3.
  • the barrel 1 With its cylindrical outer contour 4, the barrel 1 is inserted into a circular recess 5 in a wheel bridge 6 until the abutment of the support area 3 on the one side surface of the wheel bridge 6 and rotatably supported.
  • the bottom 2 of the barrel 1 has a coaxial to the outside protruding cylindrical spigot 8, on which a disc-like winding wheel 9 is placed with a corresponding central bore 10 and fixedly connected by screws 11 to the barrel 1.
  • the winding wheel 9 extends radially beyond the outer diameter of the barrel 1 into a step-like recess 12 of the recess 5 formed as a stepped bore and has a toothed rim 13 on its radially circumferential periphery.
  • ring gear 13 which is designed as a ratchet wheel engages an unillustrated gear of an elevator device.
  • an axially projecting annular shoulder 15 of the wheel bridge 6 is present, which has an approximately semicircular cross-section and on which the supporting wheel forming a 9 is axially in abutment.
  • the bottom 2 of the barrel 1 has a coaxial through bearing bore 16, in which a bearing 17 for rotatably supporting the journal 19 of the one end of a spring core 18, 18 'is used.
  • the spring core 18, 18 ' extends coaxially through the pot opening of the barrel 1 and is rotatably mounted with the bearing pin 20 at its other end in a second bearing 21, which is inserted into a bearing bore 16 of a parallel spaced apart from the wheel bridge 6 fixedly arranged work plate 23 ,
  • a spring core 18, 18 'surrounding spiral-like tension spring 24 is arranged, of which only the inner end is shown, which is connected to the spring core 18, 18'. Not shown outer end of the tension spring 24 is connected to the radially encircling inner wall 25 of the barrel 1.
  • the mouth of the barrel 1 is closed by a Federhausdekkel 26 which has a coaxial opening 27 through which the Federkem 18, 18 'protrudes from the interior of the barrel 1 to the outside.
  • FIG. 1 In the embodiment of the FIG. 1 is at the projecting out of the barrel 1 end portion of the spring core 18, a drive wheel 28 as the first wheel of the movement of the clock fixed.
  • FIG. 2 extends the spring core 18 'in the pot opening of another barrel 29 into it, which has a bottom 30 on the side facing away from the barrel 1 and is closed on the spring barrel 1 side facing by a barrel cover 31.
  • This spring case lid 31 has like the barrel cover 26 has a coaxial opening 32 through which the spring core 18 'protrudes into the interior of the barrel 29.
  • the quill 18 in FIG. 1 is formed in one piece, while the spring core 18 'in FIG. 2 consists of a spring shaft 33 and a spring sleeve 34 rotatably mounted on the spring shaft 34.
  • the spring shaft 33 is rotatably mounted with its bearing pins 19 and 20 in the bearings 17 and 21, wherein it is passed with its one end through a central opening 35 in the bottom 30 of the barrel 29.
  • the bottom 30 of the barrel 29 is rotatably connected to the spring shaft 33.
  • the spring core 18 'surrounding spiral-like tension spring 36 is arranged, of which only the inner end is shown, which is like the inner end of the tension spring 24 with the spring sleeve 34 of the spring core 18' is connected.
  • the outer end of the tension spring 36 is connected to the radially encircling inner wall 37 of the barrel 29.
  • the barrel 29 is integrally provided with a ring gear, which forms a drive wheel 28 ', which is the first wheel of the gear train of the clock.
  • a rotary drive the elevator wheel 9
  • the barrel is rotated and thus tensioned the tension spring 24. From the tension spring 24 is in FIG. 1 driven by the spring core 18 of the drive wheel 28.
  • FIG. 2 is also rotated in a rotary drive of the elevator gear 9, the barrel 1 and the tension spring 24 tensioned.
  • This tension spring 24 drives by its tension the spring sleeve 34 rotationally, whereby the arranged in series to the tension spring 24 tension spring 36 is also stretched, which drives the barrel 29 and with him the drive wheel 28.

Description

Die Erfindung bezieht sich auf eine Federhausvorrichtung für eine Uhr, mit einem feststehenden plattenförmigen Bauteil, das eine kreisförmige Ausnehmung aufweist, in der ein Federhaus mit seiner entsprechenden kreisförmigen Außenkontur drehbar gelagert ist, mit einem koaxial zum Federhaus drehbar gelagert angeordneten Federkem, der von einer spiralartigen Zugfeder umschlossen ist, die mit ihrem inneren Ende an dem Federkern und mit ihrem äußeren Ende mit dem Federhaus verbunden ist, wobei mit dem Federhaus ein einen Zahnkranz aufweisendes Aufzugsrad aufweisender Aufzugstrieb und mit dem Federkern ein erstes Rad eines Räderwerks der Uhr fest verbunden sind.The invention relates to a barrel device for a clock, with a fixed plate-shaped member having a circular recess in which a barrel is rotatably mounted with its corresponding circular outer contour, with a coaxially rotatably mounted to the barrel arranged Federkem, of a spiral-like Tension spring is enclosed, which is connected with its inner end to the spring core and with its outer end to the barrel, with the barrel a gear ring exhibiting elevator wheel exhibiting elevator drive and the spring core a first wheel of a train of the clock are firmly connected.

Bei einer derartigen Federhausvorrichtung ist es bekannt das ringförmige Federhaus in einer topfartigen Vertiefung des plattenförmigen Bauteils zu lagern, wobei das in die große Stufe ragende Aufzugsrad Aufzugstrieb auf der Seite der Öffnung der Vertiefung durch ein mit dem plattenförmigen Bauteil verbundenes kreisringförmiges Teil axial fixiert ist.In such a barrel device, it is known to support the annular barrel in a pot-like recess of the plate-shaped member, wherein the projecting into the large stage elevator wheel elevator drive on the side of the opening of the recess is axially fixed by an annular member connected to the plate-shaped member.

Da die Lagerung des Federhauses nur in der kleinen Stufe der Vertiefung erfolgt, ist die Lagerlänge im Verhältnis zum Durchmesser des Federhauses klein, so daß das Federhaus in der Vertiefung erheblich von seiner Sollachse abweichend kippen und verklemmen kann.Since the bearing of the barrel takes place only in the small step of the recess, the bearing length is in proportion to the diameter of the barrel small, so that the barrel can tilt and clamp in the well deviating significantly from its desired axis.

Eine von dem Federhaus unabhängige Lagerung des Federkems führt auch bei diesem zu erheblichen Abweichungen von der Sollachse, was über das mit dem Federkem verbundene erste Rad des Räderwerks die Ganggenauigkeit des Uhrwerks negativ beeinflußt.Independent of the spring suspension of the suspension spring leads also in this to significant deviations from the desired axis, which adversely affects the accuracy of the movement via the connected to the spring core first wheel of the movement.

Aus der FR 431 728 A ist eine Federhauseinrichtung für eine Uhr bekannt, die ein feststehendes plattenartiges Bauteil aufweist, das eine kreisförmige Ausnehmung aufweist. In dieser Ausnehmung ist ein Federhaus angeordnet, das auf einer Achse drehbar gelagert ist.From the FR 431 728 A For example, a barrel device for a watch is known which has a stationary plate-like component which has a circular recess. In this recess, a barrel is arranged, which is rotatably mounted on an axis.

Aus der US 861 727 A ist eine Federhausvorrichtung bekannt, die ein feststehendes plattenförmiges Bauteil mit einer kreisförmigen Ausnehmung aufweist, in der ein Federhaus mit radialem Spiel angeordnet ist. Das Federhaus weist einen Zahnkranz auf, der sich radial über den Durchmesser der kreisförmigen Ausnehmung erstreckt. Parallel zu dem Zahnkranz besitzt das Federhaus an seiner radial umlaufenden Mantelfläche eine radial umlaufende Ringnut, in die sich diametral gegenüberliegend zwei an dem plattenförmigen Bauteil befestigte Halteleisten hineinragen und das Federhaus axial geführt drehbar lagern.From the US 861 727 A is known a barrel house device having a fixed plate-shaped member having a circular recess in which a barrel is arranged with radial play. The barrel has a sprocket which extends radially across the diameter of the circular recess. Parallel to the sprocket has the barrel at its radially circumferential surface a radially encircling annular groove, projecting into the diametrically opposite two attached to the plate-shaped component retaining strips and rotatably support the barrel axially guided.

Aufgabe der Erfindung ist es daher eine Federhausvorrichtung der eingangs genannten Art zu schaffen, die sich bei hoher Ganggenauigkeit des Räderwerks der Uhr durch einen geringen Bauraumbedarf auszeichnet und eine präzise Lagerung des ablaufenden Federkerns ermöglicht.The object of the invention is therefore to provide a barrel device of the type mentioned, which is at high accuracy of the Wearable the clock characterized by a small space requirement and allows precise storage of the running spring core.

Diese Aufgabe wird erfindungsgemäß dadurch gelöst, daß die kreisförmige Ausnehmung durchgehend in dem plattenförmigen Bauteil ausgebildet ist und das Federhaus zwei sich radial über den Durchmesser der kreisförmigen Ausnehmung hinaus erstreckende Abstützbereiche aufweist, die jeweils an einer der einander gegenüberliegenden Seitenflächen des plattenförmigen Bauteils in Anlage ist.This object is achieved in that the circular recess is formed continuously in the plate-shaped member and the barrel has two radially beyond the diameter of the circular recess extending support portions, which is in each case at one of the opposite side surfaces of the plate-shaped component in abutment.

Durch diese Ausbildung wird ein großer Teil der Dicke des plattenförmigen Bauteils als Lagerlänge genutzt und zusammen mit den an den einander gegenüberliegenden Seitenflächen des plattenförmigen Bauteils anliegenden Abstützbereichen eine weitgehend spielarme und kippfreie Lagerung des Federhauses bei gleichzeitig geringer Bauhöhe erreicht.By this design, a large part of the thickness of the plate-shaped member is used as a bearing length and achieved together with the voltage applied to the opposite side surfaces of the plate-shaped component support areas a largely low-backlash and tilt-free storage of the barrel at the same time low height.

Zur einfachen Montage kann zumindest ein Abstützbereich insbesondere durch eine Schraubverbindung lösbar mit dem Federhaus verbunden sein.For ease of assembly, at least one support region can be detachably connected to the barrel, in particular by a screw connection.

Eine stabile Ausgestaltung mit ausreichend großen Schrauben wird dabei dadurch ermöglicht, daß das Federhaus topfartig mit einem Boden ausgebildet ist, mit dem der eine Abstützbereich durch Schrauben verbunden ist.A stable configuration with sufficiently large screws is thereby made possible that the barrel is pot-shaped with a bottom, with which a support area is connected by screws.

Der Boden und der mit diesem Boden verbundene Abstützbereich können koaxiale Durchgangsbohrungen aufweisen, durch die der Federkem aus dem Federhaus herausragt.The floor and the support area connected to this floor can have coaxial through holes through which the spring core protrudes from the barrel.

Zur exakt koaxialen Positionierung und zusätzlich formschlüssigen Verbindung kann der Boden einen koaxial zur Außenseite hervorstehenden zylindrischen Zentrieransatz besitzen, auf den ein scheibenartig ausgebildeter Abstützbereich mit einer entsprechenden Bohrung aufsetzbar ist.For exactly coaxial positioning and additionally positive connection, the bottom can have a coaxial with the outside protruding cylindrical centering approach, on which a disc-like trained support area with a corresponding hole can be placed.

Damit die Drehachsen von Federkem und Federhaus mit hoher Genauigkeit übereinstimmen, kann der Boden eine koaxiale Lagerbohrung aufweisen, in der ein Ende des Federkems drehbar gelagert oder in die ein Lager zur drehbaren Lagerung eines Endes des Federkems eingesetzt ist, wodurch auch die Ganggenauigkeit des Uhrwerks erhöht wird.In order that the axes of rotation of the spring core and barrel match with high accuracy, the bottom may have a coaxial bearing bore in which one end of the spring core is rotatably mounted or in which a bearing for rotatably supporting one end of the spring core is inserted, thereby also increasing the accuracy of the movement becomes.

Es ist aber auch möglich, daß ein Ende des Federkems in einem Lager drehbar gelagert ist, das in einer zum plattenförmigen Bauteil parallelen Brücke angeordnet ist.But it is also possible that one end of the spring core is rotatably mounted in a bearing which is arranged in a direction parallel to the plate-shaped member bridge.

Trägt das aus dem Federhaus herausragende Ende des Federkems ein Getrieberad einer Zusatzeinrichtung so ergeben sich vielfältige Anordnungsmöglichkeiten nicht nur von Lagerungen der des Federkems sondem auch zum Anschluß von Zusatzfunktionen.Carries the protruding from the barrel end of the Federkems a gear of an accessory so arise diverse arrangement options not only by bearings of the spring core sondem also for connecting additional functions.

Dazu kann das aus dem Federhaus herausragende Ende des Federkems ein Getrieberad einer Zusatzeinrichtung tragen wobei das Getrieberad ein Getrieberad eines Stellungsgetriebes zur Begrenzung der Umlaufzahl oder ein Getrieberad eines Getriebes zur Anzeige einer Gangreserve sein kann.For this purpose, the protruding from the barrel end of the Federkems carry a gear of an accessory device wherein the gear can be a gear of a position gear to limit the circulation number or a gear of a transmission to display a power reserve.

Damit kann die Zusatzeinrichtung außerhalb des Federhauses auf der Oberseite des als Aufzugsrad ausgebildeten Abstützbereichs angeordnet und z. B für Einstellvorgänge gut zugänglich sein.Thus, the additional device outside the barrel arranged on the top of the trained as a lift wheel support area and z. B be easily accessible for setting operations.

Ein Ende des Federkems kann in einem Lager drehbar gelagert sein, das an einer feststehenden Werkplatte angeordnet ist, die sich in einem derartigen Abstand zum plattenförmigen Bauteil befindet, daß ein relativ großer Lagerabstand der Lager des Federkems erreichbar ist. Dies trägt zu einer exakten Lagerung des ersten Rades des Räderwerks der Uhr und damit auch zu einer hohen Ganggenauigkeit des Uhrwerks bei.One end of the spring core can be rotatably mounted in a bearing which is arranged on a fixed work plate which is located at such a distance from the plate-shaped component, that a relatively large bearing distance of the bearing of the spring core can be achieved. This contributes to an exact storage of the first wheel of the gear train of the clock and thus also to a high accuracy of the movement.

In Doppelfunktion und damit bauraumsparend kann einer der Abstützbereiche als Aufzugsrad ausgebildet sein.In a double function and thus save space, one of the support areas can be designed as a lift wheel.

Dabei kann das Aufzugsrad auch ein Sperrad sein.The elevator wheel can also be a ratchet wheel.

Eine nur wenige Bauteile benötigende Ausbildung wird dadurch erreicht, daß das Federhaus mit dem Zahnkranz des Aufzugsrades versehen ist.A few components requiring training is achieved in that the barrel is provided with the ring gear of the elevator wheel.

Zumindest einer der Abstützbereiche kann ringartig ausgebildet sein.At least one of the support areas may be formed like a ring.

Ebenfalls ein nur wenige Bauteile benötigender Aufbau wird erreicht, wenn einer der Abstützbereiche einteilig mit dem Federhaus ausgebildet ist.Likewise, a structure requiring only a few components is achieved if one of the support regions is formed integrally with the barrel.

Weist das plattenförmige Bauteil eine die kreisförmige Ausnehmung umgebende stufenartige Ausnehmung auf, in der einer der Abstützbereiche angeordnet ist, der axial an dem Boden der stufenförmigen Ausnehmung abgestützt ist, so wird eine geringe Bauhöhe erreicht.If the plate-shaped component has a step-like recess surrounding the circular recess, in which one of the support regions is arranged, which is supported axially on the bottom of the step-shaped recess, a small overall height is achieved.

Weist der Boden der stufenförmigen Ausnehmung einen axial hervorstehenden Ringansatz auf, an dem der Abstützbereich abgestützt ist, so sind die Reibungswiderstände beim Drehen des ersten Federhause aufgrund der geringen Anlagefläche des einen Abstützbereichs an dem Boden der stufenförmigen Ausnehmung niedrig.If the bottom of the step-shaped recess has an axially protruding annular projection on which the support region is supported, the frictional resistances during rotation of the first spring housing are low due to the small contact surface of the one support region at the bottom of the stepped recess.

Das feststehende plattenförmige Bauteil kann in Doppelfunktion eine Räderbrücke sein.The fixed plate-shaped component can be a double bridge wheel bridge.

Vorzugsweise ist das erste Rad des Uhrwerks ein Antriebsrad.Preferably, the first wheel of the movement is a drive wheel.

Zum Erhöhen der Gangdauer der Uhr bei gleichzeitig geringem Platzbedarf für die Federhausvorrichtung ist koaxial zu dem Federhaus ein weiteres Federhaus angeordnet ist und der Federkem durchragt beide Federhäuser, wobei der Federkem aus einer Federwelle und einer auf der Federwelle drehbar gelagerten Federhülse besteht, mit der die Zugfeder mit ihrem inneren Ende verbunden ist sowie mit einer weiteren den Federkem umschließenden spiralartigen Zugfeder, die mit ihrem inneren Ende mit der Federhülse und mit ihrem äußeren Ende mit dem weiteren Federhaus verbunden ist und wobei mit der Federwelle und dem weiteren Federhaus das erste Rad des Uhrwerks fest verbunden ist.To increase the gear duration of the clock while requiring little space for the barrel device coaxial with the barrel another barrel is arranged and the spring core extends through both barrels, wherein the spring core consists of a spring shaft and a spring sleeve rotatably mounted on the spring sleeve, with which the tension spring is connected to its inner end and with another spring core enclosing spiral-like tension spring with its inner end with the spring sleeve and with its outer end with is connected to the other barrel and wherein the first wheel of the movement is firmly connected to the spring shaft and the other barrel.

Dabei tritt zwischen den die Feder verbindenden Gliedern nur wenig die Ganggenauigkeit beeinflussende Reibung auf.It occurs between the spring connecting members only slightly affecting the accuracy accuracy friction.

Nur wenige Bauteile sind erforderlich, wenn das weitere Federhaus topfartig mit einem Boden ausgebildet ist, mit dem die Federwelle fest verbunden ist.Only a few components are required if the other barrel is pot-shaped with a bottom to which the spring shaft is firmly connected.

Dabei wird eine hohe Koaxialität von weiterem Federhaus und Federwelle erreicht, wenn der Boden eine koaxiale, von der Federwelle durchragte Öffnung besitzt.In this case, a high coaxiality of further barrel and spring shaft is achieved when the bottom has a coaxial, projected by the spring shaft opening.

Zu einer weiteren Reduzierung der zu montierenden Bauteile führt es, wenn das weitere Federhaus einteilig mit dem ersten Rad des Uhrwerks ausgebildet ist.It leads to a further reduction of the components to be assembled when the further barrel is formed integrally with the first wheel of the movement.

Zur Sicherung der Zugfedern in ihren Federhäusern kann zumindest eine der koaxialen Öffnungen des Federhauses und/oder des weiteren Federhauses von einem Federhausdeckel verschlossen sein, der eine Koaxialöffnung besitzt, durch die der Federkem hindurchragt.To secure the tension springs in their barrels, at least one of the coaxial openings of the barrel and / or the other barrel can be closed by a barrel cover, which has a coaxial opening through which the spring core protrudes.

Ein oder mehrere Lager des Federkems können als Steinlager ausgebildet sein.One or more bearings of the spring core may be formed as a stone bearing.

Ausführungsbeispiele der Erfindung sind in der Zeichnung dargestellt und werden im folgenden näher beschrieben. Es zeigen

Figur 1
eine Federhausvorrichtung mit einem Einfachfederhaus im Querschnitt
Figur 2
eine Federhausvorrichtung mit einem Doppelfederhaus im Querschnitt.
Embodiments of the invention are illustrated in the drawings and will be described in more detail below. Show it
FIG. 1
a barrel device with a single spring in cross section
FIG. 2
a barrel device with a double spring house in cross section.

Die dargestellten Federhausvorrichtungen besitzen ein topfartiges Federhaus 1 mit einem Boden 2, das an seiner Mündungsöffnung einen flanschartig sich erweiternden, ringartigen ersten Abstützbereich 3 besitzt.The illustrated spring device have a cup-like barrel 1 with a bottom 2, which has at its mouth opening a flange-like, ring-like first support region 3.

Mit seiner zylindrischen Außenkontur 4 ist das Federhaus 1 in eine kreisförmige Ausnehmung 5 in einer Räderbrücke 6 bis zur Anlage des Abstützbereichs 3 an der einen Seitenfläche der Räderbrücke 6 eingesetzt und drehbar gelagert.With its cylindrical outer contour 4, the barrel 1 is inserted into a circular recess 5 in a wheel bridge 6 until the abutment of the support area 3 on the one side surface of the wheel bridge 6 and rotatably supported.

Der Boden 2 des Federhauses 1 besitzt einen koaxial zur Außenseite hin hervorstehenden zylindrischen Zentrieransatz 8, auf den ein scheibenartiges Aufzugsrad 9 mit einer entsprechenden zentrischen Bohrung 10 aufgesetzt und mittels Schrauben 11 mit dem Federhaus 1 fest verbunden ist.The bottom 2 of the barrel 1 has a coaxial to the outside protruding cylindrical spigot 8, on which a disc-like winding wheel 9 is placed with a corresponding central bore 10 and fixedly connected by screws 11 to the barrel 1.

Das Aufzugsrad 9 erstreckt sich radial über den Außendurchmesser des Federhauses 1 hinaus in eine stufenartige Ausnehmung 12 der als Stufenbohrung ausgebildeten Ausnehmung 5 hinein und besitzt an seinem radial umlaufenden Umfang einen Zahnkranz 13.The winding wheel 9 extends radially beyond the outer diameter of the barrel 1 into a step-like recess 12 of the recess 5 formed as a stepped bore and has a toothed rim 13 on its radially circumferential periphery.

In den Zahnkranz 13, der als Sperrad ausgebildet ist, greift ein nicht dargestelltes Zahnrad einer Aufzugseinrichtung ein.In the ring gear 13, which is designed as a ratchet wheel engages an unillustrated gear of an elevator device.

An dem Boden 14 der stufenartigen Ausnehmung 12 ist konzentrisch zur Ausnehmung 5 ein axial hervorstehender Ringansatz 15 der Räderbrücke 6 vorhanden, der einen etwa halbrunden Querschnitt besitzt und an dem das einen Abstützbereich bildende Aufzugsrad 9 axial in Anlage ist.At the bottom 14 of the step-like recess 12 is concentric to the recess 5, an axially projecting annular shoulder 15 of the wheel bridge 6 is present, which has an approximately semicircular cross-section and on which the supporting wheel forming a 9 is axially in abutment.

Damit ist das Federhaus 1 mit dem Aufzugsrad 9 und dem Abstützbereich 3 an den einander gegenüberliegenden Seitenflächen der Räderbrücke 6 in Anlage.Thus, the barrel 1 with the elevator gear 9 and the support portion 3 at the opposite side surfaces of the wheel bridge 6 in Appendix.

Der Boden 2 des Federhauses 1 besitzt eine koaxial durchgehende Lagerbohrung 16, in die ein Lager 17 zur drehbaren Lagerung des Lagerzapfens 19 des einen Endes eines Federkems 18, 18' eingesetzt ist. Der Federkem 18, 18' durchragt koaxial die Topföffnung des Federhauses 1 und ist mit dem Lagerzapfen 20 an seinem anderen Ende in einem zweiten Lager 21 drehbar gelagert, das in eine Lagerbohrung 16 einer parallel im Abstand zur Räderbrücke 6 fest stehend angeordneten Werkplatte 23 eingesetzt ist.The bottom 2 of the barrel 1 has a coaxial through bearing bore 16, in which a bearing 17 for rotatably supporting the journal 19 of the one end of a spring core 18, 18 'is used. The spring core 18, 18 'extends coaxially through the pot opening of the barrel 1 and is rotatably mounted with the bearing pin 20 at its other end in a second bearing 21, which is inserted into a bearing bore 16 of a parallel spaced apart from the wheel bridge 6 fixedly arranged work plate 23 ,

In dem Federhaus 1 ist eine den Federkem 18, 18' umschließende spiralartige Zugfeder 24 angeordnet, von der nur das innere Ende dargestellt ist, das mit dem Federkem 18, 18' verbunden ist. Das nicht dargestellte äußere Ende der Zugfeder 24 ist mit der radial umlaufenden Innenwand 25 des Federhauses 1 verbunden.In the barrel 1, a spring core 18, 18 'surrounding spiral-like tension spring 24 is arranged, of which only the inner end is shown, which is connected to the spring core 18, 18'. Not shown outer end of the tension spring 24 is connected to the radially encircling inner wall 25 of the barrel 1.

Die Mündungsöffnung des Federhauses 1 ist durch einen Federhausdekkel 26 verschlossen, der eine Koaxialöffnung 27 besitzt, durch die der Federkem 18, 18' aus dem Inneren des Federhauses 1 nach außen hindurchragt.The mouth of the barrel 1 is closed by a Federhausdekkel 26 which has a coaxial opening 27 through which the Federkem 18, 18 'protrudes from the interior of the barrel 1 to the outside.

Bei dem Ausführungsbeispiel der Figur 1 ist an dem aus dem Federhaus 1 ragenden Endbereich des Federkems 18 ein Antriebsrad 28 als erstes Rad des Uhrwerks der Uhr fest angeordnet.In the embodiment of the FIG. 1 is at the projecting out of the barrel 1 end portion of the spring core 18, a drive wheel 28 as the first wheel of the movement of the clock fixed.

In Figur 2 ragt der Federkem 18' in die Topföffnung eines weiteren Federhauses 29 hinein, das auf der dem Federhaus 1 abgewandten Seite einen Boden 30 besitzt und auf der dem Federhaus 1 zugewandten Seite durch einen Federhausdeckel 31 verschlossen ist. Dieser Federhausdeckel 31 besitzt wie der Federhausdeckel 26 eine Koaxialöffnung 32, durch die der Federkem 18' in das Innere des Federhauses 29 hineinragt.In FIG. 2 extends the spring core 18 'in the pot opening of another barrel 29 into it, which has a bottom 30 on the side facing away from the barrel 1 and is closed on the spring barrel 1 side facing by a barrel cover 31. This spring case lid 31 has like the barrel cover 26 has a coaxial opening 32 through which the spring core 18 'protrudes into the interior of the barrel 29.

Der Federkem 18 in Figur 1 ist einteilig ausgebildet, während der Federkem 18' in Figur 2 aus einer Federwelle 33 und einer auf der Federwelle 33 drehbar gelagerten Federhülse 34 besteht.The quill 18 in FIG. 1 is formed in one piece, while the spring core 18 'in FIG. 2 consists of a spring shaft 33 and a spring sleeve 34 rotatably mounted on the spring shaft 34.

Die Federwelle 33 ist mit ihren Lagerzapfen 19 und 20 in den Lagern 17 und 21 drehbar gelagert, wobei sie mit ihrem einen Ende durch eine zentrische Öffnung 35 im Boden 30 des Federhauses 29 hindurchgeführt ist. Dabei ist der Boden 30 des Federhauses 29 drehfest mit der Federwelle 33 verbunden.The spring shaft 33 is rotatably mounted with its bearing pins 19 and 20 in the bearings 17 and 21, wherein it is passed with its one end through a central opening 35 in the bottom 30 of the barrel 29. In this case, the bottom 30 of the barrel 29 is rotatably connected to the spring shaft 33.

Auch in dem Federhaus 29 ist eine den Federkem 18' umschließende spiralartige Zugfeder 36 angeordnet, von der nur das innere Ende dargestellt ist, das wie das innere Ende der Zugfeder 24 mit der Federhülse 34 des Federkems 18' verbunden ist.Also in the barrel 29 a the spring core 18 'surrounding spiral-like tension spring 36 is arranged, of which only the inner end is shown, which is like the inner end of the tension spring 24 with the spring sleeve 34 of the spring core 18' is connected.

Das nicht dargestellte äußere Ende der Zugfeder 36 ist mit der radial umlaufenden Innenwand 37 des Federhauses 29 verbunden.The outer end of the tension spring 36, not shown, is connected to the radially encircling inner wall 37 of the barrel 29.

An ihrer radial umlaufenden äußeren Mantelfläche ist das Federhaus 29 einteilig mit einem Zahnkranz versehen, der ein Antriebsrad 28' bildet, der das erste Rad des Räderwerks der Uhr ist. Durch einen Drehantrieb das Aufzugsrad 9 wird das Federhaus gedreht und damit die Zugfeder 24 gespannt. Von der Zugfeder 24 wird in Figur 1 über den Federkem 18 der Antriebsrad 28 angetrieben.At its radially encircling outer surface, the barrel 29 is integrally provided with a ring gear, which forms a drive wheel 28 ', which is the first wheel of the gear train of the clock. By a rotary drive the elevator wheel 9, the barrel is rotated and thus tensioned the tension spring 24. From the tension spring 24 is in FIG. 1 driven by the spring core 18 of the drive wheel 28.

In Figur 2 wird bei einem Drehantrieb des Aufzugsrades 9 ebenfalls das Federhaus 1 gedreht und die Zugfeder 24 gespannt. Diese Zugfeder 24 treibt durch ihre Spannung die Federhülse 34 drehend an, wodurch die in Reihe zur Zugfeder 24 angeordnete Zugfeder 36 auch gespannt wird, die das Federhaus 29 und mit ihm das Antriebsrad 28 antreibt.In FIG. 2 is also rotated in a rotary drive of the elevator gear 9, the barrel 1 and the tension spring 24 tensioned. This tension spring 24 drives by its tension the spring sleeve 34 rotationally, whereby the arranged in series to the tension spring 24 tension spring 36 is also stretched, which drives the barrel 29 and with him the drive wheel 28.

Durch die Reihenschaltung der Zugfedern 24 und 36 wird die Gangdauer der Uhr erhöht.By the series connection of the tension springs 24 and 36, the duration of the clock is increased.

BezugzeichenlisteLIST OF REFERENCE NUMBERS

11
Federhausbarrel
22
Bodenground
33
Abstützbereichsupport area
44
Außenkonturouter contour
55
Ausnehmungrecess
66
Räderbrückewheel bridge
77
Seitenflächeside surface
88th
ZentrieransatzSpigot
99
Aufzugsradelevator wheel
1010
Bohrungdrilling
1111
Schraubescrew
1212
stufenartige Ausnehmungstepped recess
1313
Zahnkranzsprocket
1414
Bodenground
1515
Ringansatzannular shoulder
1616
Lagerbohrungbearing bore
1717
Lagercamp
1818
Federkembarrel core
18'18 '
Federkembarrel core
1919
Lagerzapfenpivot
2020
Lagerzapfenpivot
2121
zweites Lagersecond camp
2222
Lagerbohrungbearing bore
2323
WerkplatteMain plate
2424
Zugfedermainspring
2525
Innenwandinner wall
2626
FederhausdeckelBarrel cover
2727
Koaxialöffnungcoaxial opening
2828
Antriebsraddrive wheel
28'28 '
Antriebsraddrive wheel
2929
zweites Federhaussecond barrel
3030
Bodenground
3131
FederhausdeckelBarrel cover
3232
Koaxialöffnungcoaxial opening
3333
Federwellespring shaft
3434
Federhülsespring sleeve
3535
Öffnungopening
3636
Zugfedermainspring
3737
Innenwandinner wall

Claims (27)

  1. Spring-barrel arrangement for a timepiece, having a fixed plate-like component (6) which has a circular cutout in which a spring barrel (1) is arranged, and having a barrel core (18; 18') which is mounted such that it can be rotated coaxially in relation to the spring barrel (1) and which is enclosed by a helical tension spring (24; 36) which has its inner end connected to the barrel core (18; 18') and its outer end connected to the spring barrel (1), a crown wheel (9) which has a toothed ring (13) being fixed to the spring barrel (1) and a first wheel (28; 28') of a wheel train of the timepiece being fixed to the barrel core, the circular cutout (5) being formed right through the plate-like component and the spring barrel (1) having two supporting regions (3) which extend radially beyond the diameter of the circular cutout (5) and are each in abutment against one of the mutually opposite side surfaces (7) of the plate-like component, characterized in that the spring barrel (1) is mounted in a rotatable manner in the circular cutout (5) by way of its cylindrical outer contour (4), which corresponds to the circular cutout (5).
  2. Spring-barrel arrangement according to Claim 1, characterized in that at least one supporting region is connected in a releasable manner to the spring barrel (1).
  3. Spring-barrel arrangement according to Claim 2, characterized in that the supporting region is connected to the spring barrel (1) by a screw connection.
  4. Spring-barrel arrangement according to Claim 3, characterized in that the spring barrel (1) is of cup-like design with a base (2), to which one supporting region is connected by screws (11).
  5. Spring-barrel arrangement according to Claim 4, characterized in that the base and the supporting region connected to this base have coaxial through-bores through which the barrel core projects out of the spring barrel.
  6. Spring-barrel arrangement according to either of Claims 4 and 5, characterized in that the base (2) has a cylindrical centring extension (8) which projects coaxially to the outside and on which a disc-like supporting region can be positioned by way of a corresponding bore (10).
  7. Spring-barrel arrangement according to one of Claims 4 to 6, characterized in that the base (2) has a coaxial bearing bore (16) in which one end of the barrel core is mounted in a rotatable manner or into which is inserted a bearing (17) for mounting one end of the barrel core (18, 18') in a rotatable manner.
  8. Spring-barrel arrangement according to one of Claims 1 to 6, characterized in that one end of the barrel core is mounted in a rotatable manner in a bearing which is arranged on a bridge which is parallel to the plate-like component.
  9. Spring-barrel arrangement according to either of Claims 5 and 6, characterized in that that end of the barrel core which projects out of the spring barrel bears a gearwheel of an additional device.
  10. Spring-barrel arrangement according to Claim 9, characterized in that that end of the barrel core which projects out of the spring barrel bears a gearwheel of a setting mechanism for limiting the number of revolutions.
  11. Spring-barrel arrangement according to Claim 9, characterized in that that end of barrel core which projects out of the spring barrel bears a gearwheel of a mechanism for indicating a power reserve.
  12. Spring-barrel arrangement according to one of the preceding claims, characterized in that one end of the barrel core (18, 18') is mounted in a rotatable manner in a bearing (21) which is arranged on a fixed bottom plate (23).
  13. Spring-barrel arrangement according to one of the preceding claims, characterized in that one of the supporting regions is designed as a crown wheel (9).
  14. Spring-barrel arrangement according to Claim 13, characterized in that the crown wheel (9) is a ratchet wheel.
  15. Spring-barrel arrangement according to either of Claims 13 and 14, characterized in that the spring barrel (1) is provided with the toothed ring (13) of the crown wheel (9).
  16. Spring-barrel arrangement according to one of the preceding claims, characterized in that at least one of the supporting regions (3) is of annular design.
  17. Spring-barrel arrangement according to one of the preceding claims, characterized in that one of the supporting regions (3) is formed integrally with the spring barrel (1).
  18. Spring-barrel arrangement according to one of the preceding claims, characterized in that the plate-like component has a step-like recess (12) which surrounds the circular cutout (5) and in which is arranged one of the supporting regions, which is supported axially on the base (14) of the step-like recess (12).
  19. Spring-barrel arrangement according to Claim 17, characterized in that the base (14) of the step-like recess (12) has an axially projecting annular extension (15), on which the supporting region is supported.
  20. Spring-barrel arrangement according to one of the preceding claims, characterized in that the fixed plate-like component is a wheel bridge (6).
  21. Spring-barrel arrangement according to one of the preceding claims, characterized in that the first wheel of the wheel train is a drive wheel (28, 28').
  22. Spring-barrel arrangement according to one of the preceding claims, characterized in that the spring barrel (1) has a further spring barrel (29) arranged coaxially in relation to it and the barrel core (18') projects through both spring barrels (1, 29), the barrel core (18') comprising a barrel stem (33) and a barrel sleeve (34) which is mounted in a rotatable manner on the barrel stem (33) and to which the tension spring (24) is connected by way of its inner end, and having a further helical tension spring (36) which encloses the barrel core (18') and has its inner end connected to the barrel sleeve (34) and its outer end connected to the further spring barrel (29), the first wheel of the movement or clockwork mechanism being fixed to the barrel stem (33) and the further spring barrel (29).
  23. Spring-barrel arrangement according to Claim 22, characterized in that the further spring barrel (29) is of cup-like design with a base (30), to which the barrel stem (33) is fixed.
  24. Spring-barrel arrangement according to Claim 22, characterized in that the base (30) has a coaxial opening (35) through which the barrel stem (33) projects.
  25. Spring-barrel arrangement according to Claim 22, characterized in that the further spring barrel (29) is formed integrally with the first wheel of the movement or clockwork mechanism.
  26. Spring-barrel arrangement according to one of the preceding claims, characterized in that at least one of the coaxial openings of the spring barrel (1) and/or of the further spring barrel (29) is closed by a spring-barrel cover (26, 31) which has a coaxial opening (27, 32) through which the barrel core (18, 18') projects.
  27. Spring-barrel arrangement according to one of the preceding claims, characterized in that one or more bearings of the barrel core are designed as jewel holes.
EP04025264A 2003-12-08 2004-10-23 Timepiece barrel device Active EP1542098B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10357228A DE10357228A1 (en) 2003-12-08 2003-12-08 Barrel device
DE10357228 2003-12-08

Publications (3)

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EP1542098A2 EP1542098A2 (en) 2005-06-15
EP1542098A3 EP1542098A3 (en) 2007-09-26
EP1542098B1 true EP1542098B1 (en) 2009-12-09

Family

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Family Applications (1)

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EP04025264A Active EP1542098B1 (en) 2003-12-08 2004-10-23 Timepiece barrel device

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US (1) US7318669B2 (en)
EP (1) EP1542098B1 (en)
DE (2) DE10357228A1 (en)

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EP2570863B1 (en) 2011-09-15 2017-11-08 Blancpain S.A. Clock barrel assembly with reduced core diameter
EP2570864B1 (en) * 2011-09-15 2018-11-14 Blancpain S.A. Clock barrel with reduced core diameter
EP2570861A1 (en) * 2011-09-15 2013-03-20 ETA SA Manufacture Horlogère Suisse Clock barrel assembly with reduced core diameter
CH706214B1 (en) * 2012-03-09 2016-09-30 Sowind SA Barrel timepiece.
EP2834712B1 (en) * 2012-04-04 2021-11-24 Rolex Sa Barrel including a barrel spring and a barrel arbour
WO2016016019A1 (en) * 2014-08-01 2016-02-04 Cartier International Ag Timepiece component with a surface comprising silk fibroin
US10435535B2 (en) 2015-09-17 2019-10-08 3Dbotics, Inc. Material system and method for fabricating refractory material-based 3D printed objects
CN107817670A (en) * 2016-09-13 2018-03-20 天津海鸥表业集团有限公司 Double-spring watch driving assembly
DE102016122936B4 (en) * 2016-11-28 2018-11-08 Lange Uhren Gmbh Barrel for a watch

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US978613A (en) * 1909-07-31 1910-12-13 Keystone Watch Case Company Watch-barrel.

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Also Published As

Publication number Publication date
US7318669B2 (en) 2008-01-15
EP1542098A2 (en) 2005-06-15
EP1542098A3 (en) 2007-09-26
US20050249045A1 (en) 2005-11-10
DE502004010485D1 (en) 2010-01-21
DE10357228A1 (en) 2005-07-07

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