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EP3070540A1 - Hammer with resilient adjustable stop - Google Patents

Hammer with resilient adjustable stop Download PDF

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Publication number
EP3070540A1
EP3070540A1 EP15159693.9A EP15159693A EP3070540A1 EP 3070540 A1 EP3070540 A1 EP 3070540A1 EP 15159693 A EP15159693 A EP 15159693A EP 3070540 A1 EP3070540 A1 EP 3070540A1
Authority
EP
European Patent Office
Prior art keywords
hammer
adjustable stop
resilient
eccentric
resilient adjustable
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.)
Granted
Application number
EP15159693.9A
Other languages
German (de)
French (fr)
Other versions
EP3070540B1 (en
Inventor
Christian Schmiedchen
Silko Goldmann
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.)
Glashuetter Uhrenbetrieb GmbH
Original Assignee
Glashuetter Uhrenbetrieb 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 Glashuetter Uhrenbetrieb GmbH filed Critical Glashuetter Uhrenbetrieb GmbH
Priority to EP15159693.9A priority Critical patent/EP3070540B1/en
Priority to US15/057,580 priority patent/US10067474B2/en
Priority to JP2016047885A priority patent/JP6093064B2/en
Priority to CN201610153349.8A priority patent/CN105988359B/en
Publication of EP3070540A1 publication Critical patent/EP3070540A1/en
Application granted granted Critical
Publication of EP3070540B1 publication Critical patent/EP3070540B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/06—Details of striking mechanisms, e.g. hammer, fan governor
    • 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
    • G04B23/00—Arrangements producing acoustic signals at preselected times
    • G04B23/02—Alarm clocks
    • G04B23/026—Hammer driving; hammers; devices with several hammers or sounding bodies; vibrators
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K1/00—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs
    • G10K1/06—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube
    • G10K1/07—Devices in which sound is produced by striking a resonating body, e.g. bells, chimes or gongs the resonating devices having the shape of a bell, plate, rod, or tube mechanically operated; Hand bells; Bells for animals
    • G10K1/072—Operating or striking mechanisms therefor
    • G10K1/076—Operating or striking mechanisms therefor for timed or repeated operation

Definitions

  • the present invention relates to a hammer for a striking mechanism of a clock, and a corresponding adjusting device for determining its rest position.
  • Hammers have long been known in clockworks to produce sounds in the audible range in which they are rotatably mounted about an axis and have an edge of impact at its edge which strikes a, for example, circular tone spring when the hammer is struck by a pre-stringed one Mainspring is turned. The vibration of this gong then produces a desired noise and sound.
  • levers In order to string the mainspring, and accordingly to remove the impact edges of the hammers from the gongs before impact, so-called levers are provided which cooperate with pins arranged on the hammers, and a percussion mechanism, inter alia. provided with rake, are controlled.
  • a majority of hammers can e.g. be applied to minute repetition beats to produce different tones.
  • counter spring which are usually made of a harder material than the mainspring, and on the same pin in an opposite direction in comparison to the mainspring.
  • the distance between the gong and the striking edge is then arranged by means of the adjustment of the positioning of the opposing spring such that a clearance between these two part after the Serve is always there for unwanted further surcharges to be avoided.
  • a minute repeater strike employing such an arrangement of hammers is illustrated in the book Théorie d'horlogerie by Reymondin, Monnier, Jeanneret, Pelaratti, page 219.
  • the stop of the hammer is solved as follows: the pin mounted in the rotatably mounted hammer finds an end stop on a counter spring screwed onto the work plate. This spring has at the same time an arm provided with resilient properties, and on the opposite side a stable, non-resilient arm, on.
  • a disadvantage of these known mechanisms is that the number of parts of the impact mechanism is very large, and thus the entire assembly is particularly long.
  • Another disadvantage is that the setting of the Rest position of the hammers is tricky, because on the one hand, the fixing screw of the opposing spring must be solved in advance, and on the other hand because the adjusting screw are accessible only from the dial side, which makes a subsequent correction particularly difficult.
  • the present invention has for its object to overcome this disadvantage.
  • the hammer according to the invention which has a resilient adjustable stop, makes it possible to dispense with the usual counter-spring and the associated fastening screw. Thus, the number of parts of the impact mechanism is reduced, and simplifies the assembly.
  • a striking mechanism which includes a hammer according to the invention, otherwise allows the adjustment of its rest position with the aid of an eccentric.
  • the eccentric a Schaubkopf, which is accessible from the back of the work plate.
  • the Fig. 1 shows a view of a hammer 1 of a movement of a clock according to a preferred embodiment of the invention.
  • the hammer 1 is shown in its rest position where it does not touch the gong 2.
  • the outer shape of the hammer 1 was designed so that an element with resilient properties was added.
  • the resilient element of the hammer 1 rests against an eccentric 3, which is rotatable about its axis and bears friction in a bore, which is accessible from the rear side of the work plate. Due to the eccentricity of the distance between the hammer 1 and the gong 2 can be reduced or increased by turning the eccentric 3.
  • FIG. 2 is pointed to the setting of the rest position of the hammer 1, in which the larger radius R and the smaller radius r of the screw head 30 of the eccentric are illustrated about the axis AA. If a screwdriver in the on FIG.
  • the hammer 1 shown screw groove 31 of the screw head 30 is inserted, and is rotated, the hammer 1 is pivoted about its axis of rotation 10 depending on up or down. If he is in the on FIG. 2 shown position, that is, if it supports its adjustable resilient stop 4 on the smaller radius r of the eccentric, the hammer 1 can only be pivoted upwards.
  • the eccentric 3 is preferably arranged between the axis of rotation 10 of the hammer 1 and the gong 2 in order to free as much space as possible on the work plate for other gear trains and modules other than the percussion mechanism. In this case, it is attempted to keep the distance between the axis of rotation 10 and the axis A-A of the eccentric as small as possible, so that the pivoting angle depending on the rotation of the eccentric 3, the greater, and therefore the adjustment range, the wider.
  • the hammer 1 is divided into two parts, namely a thick main piece 11, whereupon the impact member is formed, here the striking edge 11a, and a thinner binding member 12 having a bore, and which is movable about the axis of rotation 10.
  • the adjustable resilient stop 4 is preferably arranged on the binding part 12, because it is thus closer to the axis of rotation 10 of the hammer 10 and thus can offer a wide adjustment range when the eccentric 3 cooperates therewith.
  • the resilient adjustable stop 4 is formed integrally with this binding member 12, which saves a fastening step, and at the same time allows a simple production, for example with milling or erosion, thanks to the lower mass of this part compared to the main piece 11.
  • the entire hammer 1 is made of steel, and the entire hammer 1 is integrally formed.
  • the adjustable resilient stop 4 preferably has a needle-shaped form, which optimizes its damping properties. Thus, a kind of fully-integrated return spring is realized, and no separate part is needed more.
  • the needle-shaped resilient adjustable stopper 4 is preferably formed along a direction extending from the rotation axis 10 of the hammer 1 so as to maximize the torques exerted at its tip.
  • the needle-shaped resilient adjustable stop 4 is according to the preferred embodiment of Fig. 1 arranged next to an elongated opening 6; Thus, its production is simple and inexpensive, because only a small mass from the hammer 1 must be cut in order subsequently to achieve the desired needle shape for the resilient stop 4 next to the shaped recess, ie the opening 6.
  • a drive pin 5 is mounted on the binding member 12, and cooperates with a lever, not shown, of the striking mechanism.
  • the hammer 1 moves away from the gong 2, and a so-called not shown - mainspring is thus covered.
  • the resilient member of the hammer 1, ie, the resilient adjustable stopper 4 bends slightly, allowing the hammer 1 to momentarily touch the gong 2, which is hit by the striking edge 11a. As a result, the tone spring 2 is excited to vibrate.
  • one kind of articulated joint G may be punctured Fig. 1 shown - between the binding member 12 and the main piece 11 are provided, for example, in which a pivotable central member is disposed therebetween, or a thinner portion is formed before the thickening of the main piece 11, so that the deformation forces are exacerbated.
  • a more elastic material may be selected for the binding member 12 than that applied to the main member (NB: in contrast to a conventional opposing spring, which is usually made of a more rigid material compared to that of the mainspring).
  • NB in contrast to a conventional opposing spring, which is usually made of a more rigid material compared to that of the mainspring

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Percussive Tools And Related Accessories (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

Die vorliegende Erfindung betrifft einen Hammer (1) für ein Schlagwerk, der einen federnden einstellbaren Anschlag (4) aufweist.The present invention relates to a hammer (1) for a striking mechanism, which has a resilient adjustable stop (4).

Description

Die vorliegende Erfindung betrifft einen Hammer für ein Schlagwerk einer Uhr, und eine entsprechende Einstellvorrichtung für die Bestimmung dessen Ruheposition.The present invention relates to a hammer for a striking mechanism of a clock, and a corresponding adjusting device for determining its rest position.

Hämmer sind in Uhrwerken längst bekannt, um Töne im hörbaren Bereich zu erzeugen, in dem sie drehbar um eine Achse montiert sind, und eine Schlagkante an ihrem Rand aufweisen, die auf eine zum Beispiel kreisförmige Tonfeder schlägt, wenn der Hammer durch eine im Voraus bespannten Triebfeder gedreht wird. Die Schwingung dieser Tonfeder erzeugt dann einen gewünschten Lärm und Klang.Hammers have long been known in clockworks to produce sounds in the audible range in which they are rotatably mounted about an axis and have an edge of impact at its edge which strikes a, for example, circular tone spring when the hammer is struck by a pre-stringed one Mainspring is turned. The vibration of this gong then produces a desired noise and sound.

Um die Triebfeder zu bespannen, und dementsprechend die Schlagkanten der Hämmer von den Tonfedern vor dem Aufschlag zu entfernen, sind sogenannte Hebelungen vorgesehen, die mit auf den Hämmern angeordneten Stiften zusammenwirken, und von einem Schlagwerkmechanismus, der u.a. mit Rechen versehen ist, gesteuert sind. Eine Mehrheit von Hämmern können z.B. bei Minutenrepetitionsschlagwerken angewandt werden, um verschiedene Töne zu erzeugen.In order to string the mainspring, and accordingly to remove the impact edges of the hammers from the gongs before impact, so-called levers are provided which cooperate with pins arranged on the hammers, and a percussion mechanism, inter alia. provided with rake, are controlled. A majority of hammers can e.g. be applied to minute repetition beats to produce different tones.

Damit die Hämmer in ihren jeweiligen Ruhepositionen die Tonfeder jedoch nicht berühren, und diese somit nach dem Aufschlag frei schwingen lassen, sind sogenannte Gegenfeder vorgesehen, die in der Regel aus einem härteren Material als die Triebfeder bestehen, und auf dem gleichen Stift in einer entgegengesetzten Richtung im Vergleich zu der Triebfeder drücken. Der Abstand zwischen der Tonfeder und der Schlagkante ist dann mit Hilfe der Einstellung der Positionierung der Gegenfeder derart angeordnet, dass ein Freiraum zwischen diesen beiden Teil nach dem Aufschlag immer besteht, damit unerwünschte weitere Aufschläge verhütet werden.However, so that the hammers in their respective rest positions do not touch the gong, and thus let them swing freely after the impact, so-called counter spring are provided, which are usually made of a harder material than the mainspring, and on the same pin in an opposite direction in comparison to the mainspring. The distance between the gong and the striking edge is then arranged by means of the adjustment of the positioning of the opposing spring such that a clearance between these two part after the Serve is always there for unwanted further surcharges to be avoided.

Ein Minutenrepetitionsschlagwerk, das eine solche Anordnung von Hämmern anwendet, ist zum Beispiel im Buch Théorie d'horlogerie von Reymondin, Monnier, Jeanneret, Pelaratti Seite 219 veranschaulicht. Bei herkömmlichen Uhren, die ein solches Repetitionsschlagwerk umfassen, ist der Anschlag des Hammers wie folgt gelöst: der im drehbar gelagerten Hammer befestigte Stift findet einen Endanschlag an einer auf der Werkplatte verschraubten Gegenfeder. Diese Gegenfeder weist gleichzeitig einen mit federnden Eigenschaften versehenen Arm auf, und an der gegenüberliegenden Seite einen stabilen, nicht federnden Arm, auf. An diesen Arm drückt eine mit einer Spitze versehene Einstellschraube; wird nun diese Einstellschraube nach rechts gedreht, drückt die Spitze gegen den nicht federnden Arm der Gegenfeder, und gleichzeitig bewegt sich der federnde Arm und bewegt über den Stift den Hammer in eine entsprechende Richtung. Wird die Einstellschraube in die andere Richtung gedreht, das heißt, die Spitze der Schraube entfernt sich vom nicht federnden Arm, dann bleibt die Gegenfeder in ihrer Position stehen. Um die Gegenfeder in ihrer Position zu verändern, muss jedoch die Befestigungsschraube gelöst werden, was nur möglich ist, wenn Zeiger und Zifferblatt der Uhr demontiert werden.For example, a minute repeater strike employing such an arrangement of hammers is illustrated in the book Théorie d'horlogerie by Reymondin, Monnier, Jeanneret, Pelaratti, page 219. In conventional watches comprising such a repetitive striking mechanism, the stop of the hammer is solved as follows: the pin mounted in the rotatably mounted hammer finds an end stop on a counter spring screwed onto the work plate. This spring has at the same time an arm provided with resilient properties, and on the opposite side a stable, non-resilient arm, on. A pointed adjusting screw presses against this arm; Now, this adjustment screw is rotated to the right, the tip presses against the non-resilient arm of the opposing spring, and at the same time moves the resilient arm and moves over the pin, the hammer in a corresponding direction. If the adjusting screw is turned in the other direction, that is, the tip of the screw moves away from the non-resilient arm, the counter-spring will remain in its position. In order to change the counter-spring in position, however, the fixing screw must be loosened, which is only possible if the pointer and dial of the clock are dismantled.

Im Patentdokument CH 706190 wird eine ähnliche Struktur von Hämmern und Gegenfedern für ein Schlagwerk dargestellt, gemäss welcher die Gegenfeder von der Zifferblattseite geschraubt ist, und wo die Einstellung der Position der Gegenfeder mit Hilfe eines mit einem Stift versehenen Exzenters realisiert ist, der von dem Zifferblatt zugänglich ist. Der Exzenter drückt gegen eine harte hintere Flanke der Gegenfeder, um sie um ihre Schwenkachse zu bewegen.In the patent document CH 706190 a similar structure of hammers and counter-springs for a percussion mechanism is shown, according to which the counter-spring is screwed from the dial side, and where the adjustment of the position of the counter-spring is realized by means of a pin-shaped eccentric, which is accessible from the dial. The eccentric presses against a hard rear flank of the counter spring to move it about its pivot axis.

Ein Nachteil dieser bekannten Mechanismen ist, dass die Anzahl von Teilen des Schlagwerks sehr gross ist, und somit die gesamte Montage besonders lang ist. Ein weiterer Nachteil ist, dass die Einstellung der Ruheposition der Hämmer heikel ist, weil einerseits die Befestigungsschraube der Gegenfeder im Voraus gelöst werden muss, und andererseits weil die Einstellschraube nur von der Zifferblattseite zugänglich sind, was ein nachträgliches Korrigieren besonders erschwert.A disadvantage of these known mechanisms is that the number of parts of the impact mechanism is very large, and thus the entire assembly is particularly long. Another disadvantage is that the setting of the Rest position of the hammers is tricky, because on the one hand, the fixing screw of the opposing spring must be solved in advance, and on the other hand because the adjusting screw are accessible only from the dial side, which makes a subsequent correction particularly difficult.

Der vorliegenden Erfindung liegt die Aufgabe zugrunde, diesen Nachteil zu überwinden.The present invention has for its object to overcome this disadvantage.

Diese Aufgabe wird ausgehend vom Oberbegriff des Anspruchs 1 durch die kennzeichnenden Merkmale des Anspruchs 1 gelöst.This object is achieved on the basis of the preamble of claim 1 by the characterizing features of claim 1.

Der erfindungsgemässe Hammer, der einen federnden einstellbaren Anschlag aufweist, erlaubt es, auf die gewöhnliche Gegenfeder und die dazugehörige Befestigungsschraube zu verzichten. Somit ist die Anzahl der Teile des Schlagwerks reduziert, und die Montage dabei vereinfacht.The hammer according to the invention, which has a resilient adjustable stop, makes it possible to dispense with the usual counter-spring and the associated fastening screw. Thus, the number of parts of the impact mechanism is reduced, and simplifies the assembly.

Vorteilhafte Ausführungsformen der Erfindung sind in den Unteransprüchen und in der nun folgenden Beschreibung beschrieben.Advantageous embodiments of the invention are described in the subclaims and in the description which follows.

Ein Schlagwerk, das einen erfindungsgemässen Hammer beinhaltet, erlaubt es sonst nach wie vor die Einstellung dessen Ruheposition mit Hilfe eines Exzenters auszuführen. Gemäss einer besonders vorteilhaften Ausführungsform der Erfindung weist der Exzenter einen Schaubkopf, der von der Rückseite der Werkplatte zugänglich ist. Somit kann die Ruheposition des Hammers schneller und einfacher korrigiert werden, da weder die Zeiger noch das Zifferblatt dafür demontiert werden müssen.A striking mechanism, which includes a hammer according to the invention, otherwise allows the adjustment of its rest position with the aid of an eccentric. According to a particularly advantageous embodiment of the invention, the eccentric a Schaubkopf, which is accessible from the back of the work plate. Thus, the rest position of the hammer can be corrected faster and easier, since neither the hands nor the dial must be disassembled for it.

Im Folgenden wird ein bevorzugtes Ausführungsbeispiel der Erfindung unter Bezugnahme auf die beigefügten Figuren beschrieben.Hereinafter, a preferred embodiment of the invention will be described with reference to the accompanying drawings.

Dabei zeigen die Figuren im Einzelnen:

  • Fig. 1: eine Draufsicht eines Hammers mit einem federnden einstallbaren Anschlag, und eines Exzenters für dessen Einstellung;
  • Fig. 2: eine sagittalgeschnittene Ansicht der gleichen Schlagwerkteile wie auf Fig.1 abgebildet.
The figures show in detail:
  • Fig. 1 : A plan view of a hammer with a resilient einallbarenbaren stop, and an eccentric for its setting;
  • Fig. 2 : a sagittal-cut view of the same percussion parts as on Fig.1 displayed.

Die Fig. 1 zeigt eine Ansicht eines Hammers 1 eines Uhrwerks einer Uhr gemäss einer bevorzugten Ausführungsform der Erfindung. Dabei ist der Hammer 1 in seiner Ruheposition dargestellt, wo er die Tonfeder 2 nicht berührt.The Fig. 1 shows a view of a hammer 1 of a movement of a clock according to a preferred embodiment of the invention. In this case, the hammer 1 is shown in its rest position where it does not touch the gong 2.

Dafür wurde die Außenform des Hammers 1 derart gestaltet, dass ein Element mit federnden Eigenschaften hinzugefügt wurde. Das federnde Element des Hammers 1 liegt an einem um seine Achse drehbarem, mit Reibung in einer Bohrung gelagertem Exzenter 3 an, der von der Rückseite der Werkplatte zugänglich ist. Bedingt durch die Exzentrizität kann der Abstand zwischen dem Hammer 1 und der Tonfeder 2 durch Drehen des Exzenters 3 verkleinert oder vergrößert werden. Auf Figur 2 wird auf das Einstellen der Ruheposition des Hammers 1 hingewiesen, in dem der grössere Radius R und der kleinere Radius r des Schraubkopfes 30 des Exzenters um dessen Achse A-A veranschaulicht sind. Wenn ein Schrauber in der auf Figur 1 abgebildeten Schraubennut 31 des Schraubkopfes 30 eingeführt ist, und gedreht wird, wird der Hammer 1 um seine Drehachse 10 je nachdem nach oben oder nach unten verschwenkt. Wenn er sich in der auf Figur 2 abgebildeten Position befindet, d.h. wenn er seinen einstellbaren federnden Anschlag 4 auf dem kleineren Radius r des Exzenters abstützt, kann der Hammer 1 nur noch nach oben verschwenkt werden.For this, the outer shape of the hammer 1 was designed so that an element with resilient properties was added. The resilient element of the hammer 1 rests against an eccentric 3, which is rotatable about its axis and bears friction in a bore, which is accessible from the rear side of the work plate. Due to the eccentricity of the distance between the hammer 1 and the gong 2 can be reduced or increased by turning the eccentric 3. On FIG. 2 is pointed to the setting of the rest position of the hammer 1, in which the larger radius R and the smaller radius r of the screw head 30 of the eccentric are illustrated about the axis AA. If a screwdriver in the on FIG. 1 shown screw groove 31 of the screw head 30 is inserted, and is rotated, the hammer 1 is pivoted about its axis of rotation 10 depending on up or down. If he is in the on FIG. 2 shown position, that is, if it supports its adjustable resilient stop 4 on the smaller radius r of the eccentric, the hammer 1 can only be pivoted upwards.

Einerseits ist vorzugsweise der Exzenter 3 zwischen der Drehachse 10 des Hammers 1 und der Tonfeder 2 angeordnet, um möglichst viel Platz auf der Werkplatte für andere Räderwerke und Modulen ausser dem Schlagwerk zu befreien. Dabei wird versucht, den Abstand zwischen der Drehachse 10 und der Achse A-A des Exzenters so klein wie möglich zu halten, damit die Schwenkwinkel je nach Drehung des Exzenters 3 desto grösser sind, und deshalb der Einstellbereich umso breiter.On the one hand, the eccentric 3 is preferably arranged between the axis of rotation 10 of the hammer 1 and the gong 2 in order to free as much space as possible on the work plate for other gear trains and modules other than the percussion mechanism. In this case, it is attempted to keep the distance between the axis of rotation 10 and the axis A-A of the eccentric as small as possible, so that the pivoting angle depending on the rotation of the eccentric 3, the greater, and therefore the adjustment range, the wider.

Andererseits ist die Schraubennut 31 des Exzenters 3 wie im Figur 1 abgebildet von der Rückseite der Werkplatte zugänglich, und somit kann die Ruheposition des Hammers 1 schneller und einfacher korrigiert werden, in dem nur das Gehäuse der Uhr geöffnet werden muss, anstatt die Zeiger und das Zifferblatt zu demontieren, wie üblich für eine gewöhnliche Gegenfeder.On the other hand, the screw groove 31 of the eccentric 3 as in FIG. 1 shown accessible from the back of the work plate, and thus the rest position of the hammer 1 can be corrected faster and easier, in which only the case of the clock must be opened, instead of dismantle the hands and the dial, as usual for an ordinary counter spring.

Gemäss der bevorzugten Ausführungsform der Erfindung, die auf Fig. 1 & 2 gezeigt ist, gliedert sich der Hammer 1 in zwei Teilen, nämlich einem dicken Hauptstück 11, worauf der Schlagteil ausgebildet ist, hier die Schlagkante 11a, und einem dünnerem Bindungsteil 12, der eine Bohrung aufweist, und der um die Drehachse 10 beweglich ist. Der einstellbare federnde Anschlag 4 ist vorzugsweise auf dem Bindungsteil 12 angeordnet, weil es somit näher zu der Drehachse 10 des Hammers 10 liegt und somit einen breiten Einstellbereich anbieten kann, wenn der Exzenter 3 damit zusammenwirkt. Vorzugsweise ist der federnde einstellbare Anschlag 4 einstückig mit diesem Bindungsteil 12 ausgebildet, was einen Befestigungsschritt spart, und gleichzeitig eine einfache Fertigung, z.B. mit Fräsen oder Erodieren, dank der geringeren Masse dieses Teils im Vergleich zu dem Hauptstück 11 erlaubt. Vorzugsweise besteht der ganze Hammer 1 aus Stahl, und der gesamte Hammer 1 ist einstückig ausgebildet.According to the preferred embodiment of the invention, based on Fig. 1 & 2 is shown, the hammer 1 is divided into two parts, namely a thick main piece 11, whereupon the impact member is formed, here the striking edge 11a, and a thinner binding member 12 having a bore, and which is movable about the axis of rotation 10. The adjustable resilient stop 4 is preferably arranged on the binding part 12, because it is thus closer to the axis of rotation 10 of the hammer 10 and thus can offer a wide adjustment range when the eccentric 3 cooperates therewith. Preferably, the resilient adjustable stop 4 is formed integrally with this binding member 12, which saves a fastening step, and at the same time allows a simple production, for example with milling or erosion, thanks to the lower mass of this part compared to the main piece 11. Preferably, the entire hammer 1 is made of steel, and the entire hammer 1 is integrally formed.

Der einstellbare federnde Anschlag 4 weist vorzugsweise eine nadelförmige Form auf, was seine Dämpfungseigenschaften optimiert. Somit ist dazu eine Art von voll-integrierter Gegenfeder realisiert, und kein separates Teil wird mehr gebraucht. Der nadelförmige federnde einstellbare Anschlag 4 ist vorzugweise entlang einer Richtung, die sich von der Drehachse 10 des Hammers 1 ausstreckt, ausgebildet, damit die Drehmomente, die bei seiner Spitze ausgeübt sind, maximiert werden. Der nadelförmige federnde einstellbare Anschlag 4 ist gemäss der bevorzugten Ausführungsform von Fig. 1 neben einer länglichen Öffnung 6 angeordnet; somit ist seine Fertigung einfach und günstig, weil nur wenig Masse aus der Hammer 1 geschnitten sein muss, um anschliessend die gewünschte Nadelform für den federnden Anschlag 4 neben der geformten Aussparung, d.h. die Öffnung 6, zu erreichen.The adjustable resilient stop 4 preferably has a needle-shaped form, which optimizes its damping properties. Thus, a kind of fully-integrated return spring is realized, and no separate part is needed more. The needle-shaped resilient adjustable stopper 4 is preferably formed along a direction extending from the rotation axis 10 of the hammer 1 so as to maximize the torques exerted at its tip. The needle-shaped resilient adjustable stop 4 is according to the preferred embodiment of Fig. 1 arranged next to an elongated opening 6; Thus, its production is simple and inexpensive, because only a small mass from the hammer 1 must be cut in order subsequently to achieve the desired needle shape for the resilient stop 4 next to the shaped recess, ie the opening 6.

Wie auf Figur 1 abgebildet, ist ein Antriebstift 5 auf dem Bindungsteil 12 befestigt, und der mit einer nicht dargestellten Hebelung von dem Schlagwerkmechanismus zusammenwirkt. Zu Beginn des Schlagvorganges entfernt sich der Hammer 1 von der Tonfeder 2, und eine sogenannteauch nicht dargestellete - Triebfeder wird somit bespannt. Nach dem Erreichen der maximalen Hebung fällt der Hammer 1, beschleunigt durch diese Triebfeder, bis zu seiner Ruheposition. Bedingt jedoch durch die Energie des Hammers 1 biegt sich das federnde Element des Hammers 1, d.h. der federnde einstellbare Anschlag 4, geringfügig durch und ermöglicht den Hammer 1 ein kurzzeitiges Berühren der Tonfeder 2, die von der Schlagkante 11a geschlagen wird. Dadurch wird die Tonfeder 2 zum Schwingen angeregt.How on FIG. 1 shown, a drive pin 5 is mounted on the binding member 12, and cooperates with a lever, not shown, of the striking mechanism. At the beginning of the striking process, the hammer 1 moves away from the gong 2, and a so-called not shown - mainspring is thus covered. After reaching the maximum lift the hammer 1 falls, accelerated by this mainspring, to its rest position. However, due to the energy of the hammer 1, the resilient member of the hammer 1, ie, the resilient adjustable stopper 4, bends slightly, allowing the hammer 1 to momentarily touch the gong 2, which is hit by the striking edge 11a. As a result, the tone spring 2 is excited to vibrate.

Um die Beschleunigung des Hammerhauptstücks 11 zu steigern, kann eine Art von gelenkiger Verbindung G - punktiert auf Fig. 1 dargestellt - zwischen dem Bindungsteil 12 und dem Hauptstück 11 vorgesehen werden, in dem zum Beispiel einen schwenkbaren mittleren Glied dazwischen angeordnet ist, oder einen dünneren Abschnitt vor der Verdickung des Hauptstücks 11 ausgebildet ist, damit die Verformungskräfte verschärft werden. Alternativ kann dafür ein elastischeres Material für den Bindungsteil 12 gewählt werden, als dasjenige, das für den Hauptstück angewandt ist (NB: im Gegenteil zu einer gewöhnlichen Gegenfeder, die in der Regel aus einem starreren Material im Vergleich zu demjenigen der Triebfeder besteht). Das Ziel aller diesen vorgeschlagenen Variante bleibt jedoch immerhin, eine Art von Katapulteffekt zu erhalten, und die je nach Bedürfnis angepasst sein kann.In order to increase the acceleration of the hammer main body 11, one kind of articulated joint G may be punctured Fig. 1 shown - between the binding member 12 and the main piece 11 are provided, for example, in which a pivotable central member is disposed therebetween, or a thinner portion is formed before the thickening of the main piece 11, so that the deformation forces are exacerbated. Alternatively, a more elastic material may be selected for the binding member 12 than that applied to the main member (NB: in contrast to a conventional opposing spring, which is usually made of a more rigid material compared to that of the mainspring). However, the goal of all this proposed variant remains, after all, to obtain a kind of catapult effect, and which can be adapted as needed.

Der Fachmann wird aus dieser Beschreibung jedoch verstehen, dass der Gegenstand der vorliegenden Erfindung andere Varianten für den federnden einstellbaren Anschlag umfasst. Dieses neue Merkmal erlaubt es, sowohl die gewöhnliche Gegenfeder, und deren Befestigungsschraube in einem Schlagwerk zu ersetzen, ohne die gewünschte Dämpfungsfunktion für den Hammer zu stören, und dabei deren Einstellung und nachträgliches Korrigieren der schwenkbaren Position zu vereinfachen. Unter anderem sind andere Materiale, Formen, und Ausdehnungsrichtungen für diesen federnden einstellbaren Anschlag durchaus möglich, ohne aus dem Rahmen der Erfindung herauszukommen. Die erwähnte detaillierte bevorzugte Ausführungsform gilt also nur als Beispiel, und sollte nicht als Beschränkung für die Auslegung der Ansprüche gedeutet werden.However, it will be understood by those skilled in the art from this disclosure that the subject matter of the present invention encompasses other variants for the resilient adjustable stop. This new feature makes it possible to replace both the common counter-spring, and its fastening screw in a striking mechanism, without disturbing the desired damping function for the hammer, and their adjustment and subsequent Correct the pivoting position to simplify. Among other things, other materials, shapes, and expansion directions for this resilient adjustable stop are quite possible, without coming out of the scope of the invention. Thus, the mentioned detailed preferred embodiment is given by way of example only, and should not be construed as limiting the interpretation of the claims.

BEZUGSZEICHENLISTELIST OF REFERENCE NUMBERS

11
Hammerhammer
1010
HammerdrehachseHammer axis of rotation
1111
HammerhauptstückHammer head piece
11a11a
Schlagkantestriking edge
1212
Bindungsteilbinding part
22
Tonfedergong
33
Exzentereccentric
3030
Schraubkopfscrew head
3131
Schraubennuthelical
44
Federnder AnschlagFeathering stop
55
Triebstiftpressure pin
66
Öffnungopening
A-AA-A
Achse des ExzentersAxis of the eccentric
GG
Gelenkige VerbindungArticulated connection
KK
Katapultcatapult
rr
Kleiner Radius des ExzentersSmall radius of the eccentric
RR
Grosser Radius des ExzentersLarge radius of the eccentric

Claims (11)

Hammer (1) für einen Schlagwerk einer Uhr, dadurch gekennzeichnet, dass der besagte Hammer (1) einen federnden einstellbaren Anschlag (4) aufweist.Hammer (1) for a hammer mechanism of a watch, characterized in that said hammer (1) has a resilient adjustable stop (4). Hammer (1) nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der federnde einstellbare Anschlag (4) einstückig mit dem Hammer (1) ausgebildet ist.Hammer (1) according to one of the preceding claims, characterized in that the resilient adjustable stop (4) is formed integrally with the hammer (1). Hammer (1) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass der federnde einstellbare Anschlag (4) nadelförmig ist.Hammer (1) according to claim 1 or 2, characterized in that the resilient adjustable stop (4) is needle-shaped. Hammer (1) nach Anspruch 3, dadurch gekennzeichnet, dass der nadelförmige federnde einstellbare Anschlag (4) entlang einer Richtung, die sich von der Drehachse (10) des Hammers (1) ausstreckt, ausgebildet ist.Hammer (1) according to claim 3, characterized in that the needle-shaped resilient adjustable stop (4) is formed along a direction extending from the axis of rotation (10) of the hammer (1). Hammer (1) nach Anspruch 4, dadurch gekennzeichnet, dass der nadelförmige federnde einstellbare Anschlag (4) neben einer länglichen Öffnung (6) angeordnet ist.Hammer (1) according to claim 4, characterized in that the needle-shaped resilient adjustable stop (4) next to an elongated opening (6) is arranged. Hammer (1) nach einem der vorstehenden Ansprüche, wobei der besagte Hammer (1) schwenkbar um eine Drehachse (10) angeordnet ist, wobei der besagte Hammer (1) einen Hauptstück (11) beinhaltet, worauf ein Schlagteil ausgebildet ist, und einen um die besagte Drehachse (10) bewegliche Bindungsteil (12) aufweist, dadurch gekennzeichnet, dass der federnde einstellbare Anschlag (4) auf dem Bindungsteil (12) ausbildet ist.A hammer (1) according to any one of the preceding claims, wherein said hammer (1) is pivotally mounted about an axis of rotation (10), said hammer (1) including a main piece (11) upon which a striking member is formed and one characterized in that the resilient adjustable stop (4) is formed on the binding part (12). Hammer (1) nach Anspruch 6, dadurch gekennzeichnet, dass ein Triebstift (5) ferner auf dem besagten Bindungsteil (12) befestigt ist, und dass der Hammer (1) eine gelenkige Verbindung (G) zwischen dem besagten Bindungsteil (12) und dem besagten Hauptstück (11) aufweist.A hammer (1) according to claim 6, characterized in that a driving pin (5) is further fixed on said binding part (12), and in that the hammer (1) has a hinged connection (G) between said binding part (12) and the having said main piece (11). Hammer (1) nach Anspruch 6 oder 7, dadurch gekennzeichnet, dass der Bindungsteil (12) aus einem elastischeren Material besteht als dasjenige, das für den Hauptstück (11) angewandt ist.Hammer (1) according to claim 6 or 7, characterized in that the binding part (12) is made of a more elastic material than that used for the main part (11). Schlagwerk umfassend einen Hammer (1) gemäss Anspruch 1 bis 8, dadurch gekennzeichnet, dass der besagte federnde einstellbare Anschlag (4) mit einem Exzenters (3) zusammenwirkt.Impact device comprising a hammer (1) according to claim 1 to 8, characterized in that said resilient adjustable stop (4) cooperates with an eccentric (3). Schlagwerk gemäss Anspruch 9, wobei der Besagte Exzenter (3) eine Schraubkopf (30) aufweist, die von der Seite der Werkplatte zugänglich ist.Impact device according to claim 9, wherein said eccentric (3) has a screw head (30) which is accessible from the side of the work plate. Schlagwerk gemäss Anspruch 9 oder 10, wobei der besagte Exzenter (3) zwischen der Drehachse (10) des Hammers (1) und der Tonfeder (2) angeordnet ist.Impact device according to claim 9 or 10, wherein said eccentric (3) is arranged between the axis of rotation (10) of the hammer (1) and the gong spring (2).
EP15159693.9A 2015-03-18 2015-03-18 Striking mechanism for a clock with hammer with resilient adjustable stop Active EP3070540B1 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP15159693.9A EP3070540B1 (en) 2015-03-18 2015-03-18 Striking mechanism for a clock with hammer with resilient adjustable stop
US15/057,580 US10067474B2 (en) 2015-03-18 2016-03-01 Striking mechanism comprising a hammer with an elastic adjustable stop
JP2016047885A JP6093064B2 (en) 2015-03-18 2016-03-11 Hitting mechanism having a hammer with an adjustable elastic stop
CN201610153349.8A CN105988359B (en) 2015-03-18 2016-03-17 Include the time mechanism of the hammer with adjustable elastic stopping portion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15159693.9A EP3070540B1 (en) 2015-03-18 2015-03-18 Striking mechanism for a clock with hammer with resilient adjustable stop

Publications (2)

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EP3070540A1 true EP3070540A1 (en) 2016-09-21
EP3070540B1 EP3070540B1 (en) 2017-11-15

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US (1) US10067474B2 (en)
EP (1) EP3070540B1 (en)
JP (1) JP6093064B2 (en)
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EP3070540B1 (en) * 2015-03-18 2017-11-15 Glashütter Uhrenbetrieb GmbH Striking mechanism for a clock with hammer with resilient adjustable stop
EP3543801A1 (en) * 2018-03-21 2019-09-25 Montres Breguet S.A. Timepiece chiming mechanism
EP3663869B1 (en) * 2018-12-06 2021-06-16 Montres Breguet S.A. Timepiece chiming mechanism with suspended hammer

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CH703699B1 (en) * 2010-09-07 2015-03-13 Richemont Int Sa Stamp Extinghuishers for timepiece including a striking mechanism.
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EP3070540B1 (en) * 2015-03-18 2017-11-15 Glashütter Uhrenbetrieb GmbH Striking mechanism for a clock with hammer with resilient adjustable stop
EP3070543B1 (en) * 2015-03-18 2024-11-27 Glashütter Uhrenbetrieb GmbH Repetition striking mechanism with integrated trigger lock

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US1364111A (en) * 1917-07-02 1921-01-04 Herschede Hall Clock Company Tension-adjuster for the springs of chime-hammers
CH80995A (en) * 1918-12-12 1919-05-01 Zenith Montres Stopper for striking hammer
FR716629A (en) * 1931-02-27 1931-12-24 Vedette Horlogerie Chime apartment clock movement
EP1574917A2 (en) * 2004-03-09 2005-09-14 Franck Muller-Watchland SA Minute-repeater timepiece
EP2048548A2 (en) * 2007-10-10 2009-04-15 Richemont International S.A. Hammer for a timepiece mechanism, timepiece mechanism, in particular striking mechanism, equipped with it, and timepiece comprising them
CH706190B1 (en) 2008-04-02 2013-09-13 Montres Breguet Sa Hammer of striking mechanism with a gong, useful for a mechanical watch to generate sound, comprises an impact part made of a high hardness material to produce a high acoustic level when the hammer strikes the gong

Also Published As

Publication number Publication date
CN105988359A (en) 2016-10-05
EP3070540B1 (en) 2017-11-15
US20160274543A1 (en) 2016-09-22
JP2016176933A (en) 2016-10-06
US10067474B2 (en) 2018-09-04
JP6093064B2 (en) 2017-03-08
CN105988359B (en) 2018-04-20

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