EP2947522B1 - Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr - Google Patents

Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr Download PDF

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Publication number
EP2947522B1
EP2947522B1 EP14169042.0A EP14169042A EP2947522B1 EP 2947522 B1 EP2947522 B1 EP 2947522B1 EP 14169042 A EP14169042 A EP 14169042A EP 2947522 B1 EP2947522 B1 EP 2947522B1
Authority
EP
European Patent Office
Prior art keywords
pallet
arm
timepiece
downstream
arbor
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.)
Active
Application number
EP14169042.0A
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English (en)
French (fr)
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EP2947522A1 (de
Inventor
Lucas Raggi
Jean-Daniel Lüthi
Sébastien LOPEZ
Jérôme Kirchhof
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.)
Manufacture dHorlogerie Audemars Piguet SA
Original Assignee
Manufacture dHorlogerie Audemars Piguet SA
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 Manufacture dHorlogerie Audemars Piguet SA filed Critical Manufacture dHorlogerie Audemars Piguet SA
Priority to EP14169042.0A priority Critical patent/EP2947522B1/de
Priority to US14/709,516 priority patent/US9547277B2/en
Priority to JP2015101757A priority patent/JP6541427B2/ja
Priority to CN201510259481.2A priority patent/CN105093896B/zh
Publication of EP2947522A1 publication Critical patent/EP2947522A1/de
Priority to HK16105000.9A priority patent/HK1217046B/zh
Priority to US15/368,045 priority patent/US10234823B2/en
Application granted granted Critical
Publication of EP2947522B1 publication Critical patent/EP2947522B1/de
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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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • G04B15/08—Lever escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/06—Free escapements
    • 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
    • G04B15/00—Escapements
    • G04B15/14—Component parts or constructional details, e.g. construction of the lever or the escape wheel
    • 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
    • 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
    • G04B21/027—Regular striking mechanisms giving the full hour, half hour or quarter hour with locking wheel
    • 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
    • G04B21/00—Indicating the time by acoustic means
    • G04B21/02—Regular striking mechanisms giving the full hour, half hour or quarter hour
    • G04B21/10—Releasing or locking the regular stroke, e.g. for silence during the night

Definitions

  • the present invention relates to the field of watchmaking. More specifically, it relates to a clock anchor for a mechanical oscillator and a timed clock triggering mechanism.
  • Timed time triggering mechanisms are integrated with various devices to enable trigger times to be determined.
  • such mechanisms are the basis of the operation of ringtones, in which successive strikes of one or more timbres indicate the time of sound.
  • a timed timepiece trigger mechanism may comprise an escape wheel and a mechanical oscillator.
  • An oscillating anchor of the mechanical oscillator has two lifts, which are alternately engaged with the toothing of the escape wheel. In this way, the regular oscillations of the clock anchor regulate the intermittent rotation of the escape wheel.
  • Each lift receives the impact of a tooth of the escape wheel before temporarily stopping the escape wheel.
  • the successive impacts of the escape wheel teeth on the lefts produce a knock that may be undesirable.
  • this rattling parasitic sounds produced by the watch ring in the case where the timed clock triggering mechanism operates a mechanical watch ring, this rattling parasitic sounds produced by the watch ring.
  • each lift is carried by a flexible blade which connects it to an arm of the anchor.
  • the anchor described in the patent GB 574,229 is bulky.
  • a clock anchor comprises a shaft for mounting oscillatingly about a pivot axis, and first and second lifts provided to be alternately engaged with an escape wheel when the anchor timepiece oscillates around its pivot axis.
  • the at least one first lift is displaceable with respect to the shaft by absorbing energy, from an upstream waiting position to a downstream end stop position which is shifted from the upstream waiting position to downstream by considering the direction of progression of a tooth of the escape wheel before a stop of this tooth by the first lift.
  • the watch anchor comprises an arm of which an intermediate section comprises an elastic bend and whose end is fixed relative to the shaft. This arm defines the first lift.
  • the intermediate portion of the arm is located between the fixed end and the first lift and recalls the first lift to its upstream waiting position by being elastically deformable from a first configuration, in which the first lift is in its upstream position waiting until a second configuration, in which the first lift is in its downstream end-stop position.
  • the first lift is adapted to be moved by the tooth it is stopping. An energy absorption takes place when the first lift is thus displaced, which dampens the stopping of the tooth. It follows a rattling significantly less sound, even imperceptible.
  • an anchor according to the invention therefore reduces the noise that represents the rattling produced by an exhaust during its operation.
  • the elbow of this anchor allows the stretch intermediate to present the desired elasticity without being too broad nor too thin.
  • the clock anchor defined above may incorporate one or more other advantageous features, alone or in combination, in particular from those defined below.
  • the second lift is displaceable with respect to the shaft by means of energy absorption, from an upstream waiting position to a downstream end stop position which is shifted from this waiting upstream position to downstream by considering the direction of progression of a tooth of the escape wheel before a stop of this tooth by the second lift.
  • the watch anchor comprises a device for returning the second lift to its upstream waiting position.
  • the watch anchor comprises a stopping stop of the arm downstream, relative to the shaft, as soon as the first lift is in its downstream end stop position.
  • the stop is formed by said shaft.
  • a simplification of the clock anchor can be obtained.
  • the clock anchor comprises two rigidly associated parts, which are an assembly piece carrying the shaft and an insert defining the arm.
  • the watch anchor can easily have a simple and compact constitution.
  • the stop is formed by an outer portion of a pin rigidly fixed in the assembly part.
  • the watch anchor can easily have a simple and compact constitution.
  • the assembly part is a mass of inertia of a mechanical oscillator.
  • the mass of inertia also fulfills the part function now assembled all or part of the other parts of the watch anchor, which allows simplification.
  • a timed clocking trigger mechanism is more precisely the mechanism of a watch mechanical bell.
  • the invention is not limited to watch mechanical ringtones.
  • the invention may be incorporated into an automaton mechanism to control the speed of the animation.
  • the timed clocking mechanism shown in FIG. figure 1 comprises an escapement 1, in which a clock anchor 2 is associated with an escape wheel 3 so as to be able to regulate the intermittent rotation thereof.
  • a pinion 4 secured to the escape wheel 3 is part of a gear train 5 which couples this escapement wheel 3 to a barrel 6 forming a mechanical energy storage device.
  • the gear 5 comprises a wheel 7 meshing with the pinion 4, a pinion 8 integral with the wheel 7, and a wheel 9 meshing with the pinion 8.
  • the gear train 5 also comprises a pinion 10 which is integral with the wheel 9 and which meshes with the peripheral toothing of a barrel drum 15 constituting the barrel 6.
  • the barrel 6 comprises a barrel spring 16, one end of which is blocked by an adjusting ring 17.
  • the other end of this barrel spring 16 is secured to a barrel shaft 18.
  • a hook 19 retains the adjusting ring 17 in an angular position that can be chosen from several possible angular positions to adjust a preload or pre-arming of the mainspring 16.
  • a ratchet 22 is part of a partially visible latch, intended to couple the barrel drum 15 to the barrel shaft 18 only when the barrel shaft 18 delivers the energy supplied by the barrel spring 16 and turn clockwise at the figure 1 .
  • a winding that is to say an arming of the mainspring spring 16, takes place by means of a drive of the rack pinion 21 In the opposite way.
  • the rack pinion 21 and the barrel shaft 18 are driven without in turn driving the barrel drum 15, which can then remain stationary, as well as the gear 5 and the exhaust 1.
  • a pivotally mounted cocking and triggering lever is arranged to be actuable by each of the twelve teeth of the rake 20. It cooperates with an angled return lever 26, which is provided to move a rocking hammer 27 and the bring to a starting position, by arming a spring 28 for launching the hammer 27.
  • the cocking and release lever 25, the return lever 26 and the rocking hammer 27 constitute a kinematic chain, at one end of which is the launching spring 28.
  • a spring against 29 is provided to act on the other end of this kinematic chain.
  • the launch spring 28 and the counter spring 29 alternately recall, in one direction and then in the other, the cocking and release lever 25, the return lever 26 and the rocking hammer 27 in contact with each other .
  • the barrel spring 16 After being armed and released, the barrel spring 16 provides the energy driving the entire bell mechanism of the figure 1 , on which the arrows indicate the directions of the movements then present.
  • the average speeds within the gear train 5 are regulated by the escapement 1.
  • At least one tooth of the rake 20 passes in front of the cocking and release lever 25 and actuates it.
  • the tooth rotates this trigger and actuation lever 25 in the direction of an arming of the launching spring 28.
  • the release and actuating lever 25 is then detached from the tooth continuing its advance, the launching spring 28 throws the hammer 27 to a stamp 30, whose striking by the hammer 27 leads to the emission of a sound.
  • the importance of winding the barrel 6 determines the number of teeth successively actuating the cocking and release lever 25.
  • the duration between two successive strikes of the stamp 30 by the hammer 27 depends on a speed that is set by the exhaust 1, since this is the average rotation speed of the rake 20.
  • the exhaust 1, the gear 5, the barrel 6 and the rake 20 together form a mechanism which establishes a time delay between two successive strikes of the stamp 30 and which actuates the sub-mechanism operating these successive strikes.
  • Exhaust 1 is shown alone at figure 3 , where it can be seen that the clock anchor 2 results from the assembly of an insert 40, a shaft 41 and a pin 42 to an assembly part which is a mass of inertia 43.
  • the mass of inertia 43 is constitutive of the anchor 2 and this anchor 2 alone forms the mechanical oscillator. It may, however, be otherwise and, within the mechanical oscillator, the anchor and the mass of inertia may be two separate members coupled without departing from the scope of the invention.
  • the anchor 2 is mounted so as to be pivotable about a pivot axis X 1 -X 1 'parallel to the axis of rotation X 2 -X' 2 of the wheel of exhaust 3.
  • the lifts are hooking beaks, also called palettes of the anchor in the field of watchmaking.
  • the insert 40 defines the upstream lift 44 and the downstream lift 45 of the anchor 2.
  • the terms "before”, “upstream” and “downstream”, and similar terms refer to the direction of progression of a tooth of the escape wheel at the level of the lifts.
  • the insert 40 comprises a rigid body 46, which an assembly pin 47 rigidly assembles with the mass of inertia 43.
  • the pin 42 participates in the rigid assembly of the rigid body 46 to the mass of inertia 43 by preventing any possibility of pivoting thereof between them, around the assembly pin 47.
  • the insert 40 also comprises two resiliently flexible arms, namely an upstream arm 48 and a downstream arm 49, each of which has a fixed end 50 or 51 connected to the rigid body 46.
  • a section of the upstream arm 48 forms a hooking finger 52 ending in the lift 44.
  • An intermediate section 53 of the arm 48 connects the fixed end 50 and the hooking finger 52 to one another.
  • This intermediate section 53 has the shape of a blade which is elastically flexible so that the hooking finger 52 is movable to a stop constituted by an outer portion of the pin 42.
  • An elastic bend 54 reduces flexural stiffness intermediate section 53.
  • a section of the downstream arm 49 forms a hooking finger 55 ending in the lift 45.
  • An intermediate section 56 of the arm 49 connects the fixed end 51 and the hooking finger 55 to one another.
  • This intermediate section 56 has the shape of a blade which is elastically deformable so that the coupling finger 55 is movable downstream.
  • An elastic bend 57 reduces the stiffness of the intermediate section 56.
  • a return 58 of the arm 49 extends the gripping finger 55 beyond the lift 45, upstream and then in the opposite direction to the escape wheel 3.
  • the shaft 41 forms a stop for this return 58 and thus limits the possibility of displacement of the gripping finger 55 downstream.
  • the downstream arm 49 carries a downstream blocking tail 59, able to be placed between two consecutive teeth of the escape wheel 3, so as to prevent it from rotating against the direction.
  • the Figures 5 to 8 illustrate the operation of the anchor 2.
  • the escape wheel 3 driven by the gear 5 rotates clockwise and one, denoted D, of its teeth meets the upstream lift 44, without being stopped instantly by it.
  • the upstream arm 48 is elastically bent, particularly at the level of its elastic elbow 54, which translates by a gradual absorption of kinetic energy and a progressive slowdown of the wheel Exhaust 3.
  • the elastic deformation of the arm 48 ends when its gripping finger 52 encounters the pin 42 which stops it, which occurs at the figure 6 .
  • the escape wheel 3 is momentarily stopped.
  • the elastic deformation of the downstream arm 49 ends when the return 58 encounters the shaft 41 which stops it.
  • the shaft 41 then performs a stop function for the downstream arm 49, as illustrated by FIG. figure 8 .
  • the pivoting movement of the anchor 2 about its pivot axis X 1 -X ' 1 is reversed again, during the damped stop of the tooth D by the downstream lift 45.
  • the downstream arm 49 resumes its initial shape by dissipating the elastic potential energy that it has stored during its damping of the stop of the tooth D.
  • the insert 40 may be pivotally mounted on the mass of inertia 43 and biased to a waiting position by an additional spring, in which case the arms 48 and 49 can be rigid or even deleted.
  • the two hooking fingers 52 and 55 can be tilting mounted at a distance from one another.
  • each of them can carry a lever arm able to act on the lever arm of the other finger attachment.
  • These lever arms are arranged in such a way that any gripping finger moved downstream sees its lever arm actuating the lever arm of the other gripping finger in the direction of a reminder of this other gripping finger upstream.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Table Equipment (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
  • Micromachines (AREA)

Claims (8)

  1. Uhranker für einen mechanischen Oszillator, umfassend eine Welle (41), um diesen in einer oszillierenden Weise um eine Schwingachse (X1 - X'1) zu befestigen, sowie erste und zweite Anker (44, 45), welche vorgesehen sind, um abwechselnd in ein Hemmungsrad (3) einzugreifen, wenn der Uhranker um seine Schwingachse (X1 -X'1) oszilliert, wobei zumindest der erste Anker (44, 45) in Bezug auf die Welle (41) mit einer Energieabsorption von einer vorgelagerten Warteposition (Fig. 5, Fig. 7) in eine nachgelagerte Endanschlagposition (Fig. 6, Fig. 8) verlagerbar ist, welche in Bezug auf die Warteposition versetzt ist, wobei nachgelagert die Richtung der Progression eines Zahns (D) des Hemmungsrads (3) vor einer Hemmung dieses Zahns durch den ersten Anker (44, 45) berücksichtigt,
    dadurch gekennzeichnet, dass er einen Arm (48, 49) umfasst mit einem Zwischenbereich (53, 56), welcher einen elastischen Bogen (54, 57) aufweist und mit einem Ende (50, 51), welches in Bezug auf die Welle (41) befestigt ist, wobei der Arm den ersten Anker (44, 45) definiert, der Zwischenbereich (53, 56) des Arms (48, 49) zwischen dem ersten befestigten Ende (50, 51) und dem ersten Anker (44, 45) angeordnet ist und der erste Anker (44, 45) in seine vorgelagerte Warteposition durch elastische Verformbarkeit aus einer ersten Konfiguration, in der der erste Anker (44, 45) in seiner vorgelagerten Warteposition ist, in eine zweite Konfiguration, in dem der erste Anker (44, 45) seiner nachgelagerten Endanschlagposition ist, rückgestellt ist.
  2. Uhranker nach Anspruch 1, dadurch gekennzeichnet, dass der zweite Anker (44, 45) in Bezug auf die Welle (41) mit einer Energieabsorption von einer vorgelagerten Warteposition in eine nachgelagerte Endanschlagposition verlagerbar ist, welche in Bezug auf die vorgelagerte Warteposition versetzt ist, wobei nachgelagert die Richtung der Progression eines Zahns (D) des Hemmungsrads (3) vor einer Hemmung dieses Zahns durch den zweiten Anker (44, 45) berücksichtigt, wobei der Uhranker eine Rückstelleinrichtung (53, 56) zum Rückstellen des zweiten Ankers (44, 45) in seine vorgelagerte Warteposition umfasst.
  3. Uhranker nach Anspruch 2, dadurch gekennzeichnet, dass der Arm ein erster Arm ist, und der Uhranker einen zweiten Arm (48, 49) umfasst, an welchem ein Zwischenbereich (53, 56) eine elastischen Biegung (54, 57) aufweist und an welchem ein Ende (50, 51) in Bezug auf die Welle (41) befestigt ist, wobei der zweite Arm den zweiten Anker (44, 45) definiert, die Rückstelleinrichtung eine elastische Rückstellreinrichtung ist, umfassend den Zwischenbereich (53, 56) des zweiten Arms (48, 49), der Zwischenbereich (53, 56) des zweiten Arms zwischen dem befestigten Ende (50, 51) des zweiten Arms und dem zweiten Anker (44, 45) angeordnet ist und elastisch verformbar von einer ersten Konfiguration ist, in der der zweite Anker (44, 45) in seiner vorgelagerten Warteposition ist, in eine zweite Konfiguration, in der der zweite Anker (44, 45) in seiner nachgelagerten Endanschlagposition ist.
  4. Uhranker nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er einen Anschlag (41, 42) umfasst, um den Arm (48, 49) nachgelagert in Bezug auf die Welle (41) anzuhalten, sobald der erste Anker (44, 45) in seiner nachgelagerten Endanschlagposition ist.
  5. Uhranker nach Anspruch 4, dadurch gekennzeichnet, dass der Anschlag durch die Welle 41 gebildet ist.
  6. Uhranker nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass er zwei starr verbundene Elemente umfasst, welche ein Verbindungselement (43), die Welle (41) tragend und ein Befestigungselement (40), den Arm (48, 49) definierend, sind.
  7. Uhranker nach den Ansprüchen 4 und 6, dadurch gekennzeichnet, dass der Anschlag durch einen äusseren Bereich eines Stifts (42) gebildet ist, welcher starr in dem Verbindungselement (43) befestigt ist.
  8. Uhranker nach einem der Ansprüche 6 und 7, dadurch gekennzeichnet, dass das Verbindungselement eine Trägheitsmasse (43) eines mechanischen Oszillators ist.
EP14169042.0A 2014-05-20 2014-05-20 Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr Active EP2947522B1 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
EP14169042.0A EP2947522B1 (de) 2014-05-20 2014-05-20 Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr
US14/709,516 US9547277B2 (en) 2014-05-20 2015-05-12 Timepiece pallet fork for mechanical oscillator and timepiece time-delay release mechanism
JP2015101757A JP6541427B2 (ja) 2014-05-20 2015-05-19 機械的振動子用の時計アンクルおよび時計の緩動解放機構
CN201510259481.2A CN105093896B (zh) 2014-05-20 2015-05-20 用于机械振荡器的钟表棘爪叉和钟表时延释放机构
HK16105000.9A HK1217046B (zh) 2014-05-20 2016-05-03 用於机械振荡器的钟表棘爪叉和钟表时延释放机构
US15/368,045 US10234823B2 (en) 2014-05-20 2016-12-02 Timepiece pallet fork for mechanical oscillator and timepiece time-delay release mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14169042.0A EP2947522B1 (de) 2014-05-20 2014-05-20 Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr

Publications (2)

Publication Number Publication Date
EP2947522A1 EP2947522A1 (de) 2015-11-25
EP2947522B1 true EP2947522B1 (de) 2017-05-03

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EP14169042.0A Active EP2947522B1 (de) 2014-05-20 2014-05-20 Uhranker für mechanischen Oszillator, und Mechanismus zur Zeitauslösung der Uhr

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US (2) US9547277B2 (de)
EP (1) EP2947522B1 (de)
JP (1) JP6541427B2 (de)
CN (1) CN105093896B (de)

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Also Published As

Publication number Publication date
US10234823B2 (en) 2019-03-19
CN105093896B (zh) 2019-02-12
US20150338827A1 (en) 2015-11-26
HK1217046A1 (zh) 2016-12-16
JP6541427B2 (ja) 2019-07-10
US20170082977A1 (en) 2017-03-23
EP2947522A1 (de) 2015-11-25
US9547277B2 (en) 2017-01-17
JP2015219243A (ja) 2015-12-07
CN105093896A (zh) 2015-11-25

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