EP3382469A1 - Timepiece with digital time display - Google Patents

Timepiece with digital time display Download PDF

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Publication number
EP3382469A1
EP3382469A1 EP18162146.7A EP18162146A EP3382469A1 EP 3382469 A1 EP3382469 A1 EP 3382469A1 EP 18162146 A EP18162146 A EP 18162146A EP 3382469 A1 EP3382469 A1 EP 3382469A1
Authority
EP
European Patent Office
Prior art keywords
minute
disc
wheel
lever
trigger
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
EP18162146.7A
Other languages
German (de)
English (en)
Other versions
EP3382469B1 (fr
Inventor
Michael VON ALLMEN
Gudrun Kerstin LESSKE
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.)
Richemont International SA
Original Assignee
Richemont International 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 Richemont International SA filed Critical Richemont International SA
Publication of EP3382469A1 publication Critical patent/EP3382469A1/fr
Application granted granted Critical
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Active legal-status Critical Current
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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
    • G04B19/00—Indicating the time by visual means
    • G04B19/20—Indicating by numbered bands, drums, discs, or sheets
    • G04B19/202—Indicating by numbered bands, drums, discs, or sheets by means of turning discs
    • 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
    • G04B1/00—Driving mechanisms
    • G04B1/10—Driving mechanisms with mainspring
    • G04B1/16—Barrels; Arbors; Barrel axles
    • 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
    • G04B13/00—Gearwork
    • 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
    • G04B13/00—Gearwork
    • G04B13/002—Gearwork where rotation in one direction is changed into a stepping movement
    • G04B13/003—Gearwork where rotation in one direction is changed into a stepping movement with a step for each complete revolution
    • 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
    • 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
    • G04B19/00—Indicating the time by visual means
    • G04B19/02—Back-gearing arrangements between gear train and hands
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • 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
    • G04B17/00—Mechanisms for stabilising frequency
    • G04B17/04—Oscillators acting by spring tension
    • G04B17/06—Oscillators with hairsprings, e.g. balance

Definitions

  • the present invention relates to the field of mechanical watches, in particular watches, which are equipped with a digital time display by means of multiple dials.
  • the present invention relates in particular to a timepiece according to the preamble of claim 1.
  • This relates to a timepiece, in particular a wristwatch, having a digital display which has a one-minute disc, a ten-minute disc, and an hour ring, and a timepiece with a balance.
  • a spiral system and a gear train through which a one-minute wheel of the one-minute disc is rotatably indexable in cyclic steps with ten steps per revolution, and with a switching device through which the ten-minute disc is rotatably indexable with six steps per revolution, wherein the hour ring during one revolution the Zehnerminutenmount of the Zehnerminutenrace via a Maltese intermediate wheel with twelve steps per revolution rotatable fortschaltbar, and with a manually operable disc interlocking, the movement at least a first barrel, a first gear chain and a second gear chain u mfbuckt, wherein both transmission chains are connected to a trigger mechanism and the first transmission chain controls the second transmission chain by means of the trigger mechanism such that the second transmission chain every minute, clocked via the balance-spiral system of the movement, a force in the form of a rotational movement to the Einerminutenrad transfers.
  • index pocket watches appeared digitally indicating both the hours and the minutes by mechanically jumping digits, but the seconds were indicated analogously with a pointer.
  • the manufactories IWC, Cortebert Watch, Gedeon T Subscriben, Aeby & Landry, Kaiser, and many others made such index pocket watches.
  • An overview of this former production finds the expert in the book " The Jumping Number Pocket Watches "by Alex Kuhn, Verlag Simonin, 2010 ,
  • the first technical descriptions of this type of clock can be found in particular in the so-called Pallweber patents, see, for example, the German Reich Patent 25 042 from 1883.
  • the patent DE 10 2009 019 335 discloses a timepiece, particularly a wristwatch, having a drive by which a gear train of a digital dial having multiple dials is rotatably driven in cyclic increments, with a drive gear capable of rotatably indexing a single gear of a one minute disc with ten steps per revolution, with one of the one gear powered indexing device, by which a ten-minute dial is rotatably indexable with six steps per revolution, and with an hour-dial which is rotatably rotatable during one revolution of the ten-minute slice from the ten-minute slice with twelve steps per revolution, wherein a drive, which is driven by a manually driven Scheibenstellrad in the Gear train engages, can be driven, the drive is positively coupled via a control gear with the drive wheel.
  • the realized by said Stellgesperre coupling between the manually driven by the Scheibenstellrad drive and the drive wheel of the clockwork of this clock has a specific design and is mounted in particular axially slidably on the axis of coaxial with the drive wheel arranged drive, the gear train to save space and reduction the number of components is designed as a continuous gear train with consecutively driven dials.
  • the Swiss patent CH 511,471 discloses such a timepiece, wherein a one-minute disc is rotatably indexable with ten steps per revolution, with a shifting device through which a ten-minute disc with six steps per revolution is rotatably indexable, and with an hour-pulley which is rotated during one revolution of the decennial disc from the ten-minute disc with twelve steps rotatable per revolution can be switched.
  • the factory has a first transmission chain which transfers the power from a first barrel to a first escapement of a regulator of the timepiece and a second gear chain which transmits the force from a second barrel to the indicator discs, the rotation of the wheels of the second gear chain of a wheel of the first transmission chain is controlled.
  • the European patent application EP 3 032 348 also discloses a spring mechanism having a drive wheel, a time display and a bouncing member attached to said time display and coaxial with the drive wheel, and a cam configured to release a four-arm anchor once per unit time. This arrangement is especially designed for displays that make a sudden change every second, in particular using a single power source in the movement.
  • the aim of the present invention is therefore to avoid the disadvantages of the previous embodiments, the realization of the above-mentioned advantages, and the provision of a clock, which has a number of dials having digital display, the dials should be triggered instantaneously and be switched with the least possible expenditure of energy ,
  • the display discs are to stand for one minute, while at the end of each minute, as soon as the second hand has reached sixty seconds, the one-minute disc is immediately triggered and rotated by one position.
  • the ten-minute window should be additionally turned on and, at the end of one hour, the hourly disc rotated one more position.
  • Another object of the present invention is to provide a manually operable disc interlock to safely set the time in both directions.
  • Another object of the present invention is an attractive digital time display in the context of mechanical wristwatches. This is to be achieved by using a constructionally simple and robust designed clockwork, which ensures a safe operation.
  • a clock according to the invention in particular a trigger mechanism with a control disc, two release levers each having a first and a second lever arm, and a trigger wheel, wherein the first lever arms of the two trigger levers are positioned offset and with pressure on the periphery of Rest control disc such that after every minute of the first lever arm of the Trigger lever from the control wheel edge falls into a recess of the control disk and the second lever arm of this release lever releases the trigger wheel of the trigger mechanism, so that the second transmission chain rotates freely until one tooth of the trigger wheel abuts the second lever arm of the other trigger lever, wherein the Einerminutenrad and the Einerminutenfrac rotates by a step further, and the first transmission chain has a driven by the first spring brieflybodenrad, driven by the large bottom wheel Kleinêtrad, and a meshing with the Kleinêtrad intermediate drive, said cam is fixed to the axis of the intermediate
  • a timepiece comprises a manually operable disc interlocking, which has a plurality of serially meshing Zeigerstelltive which are displaceable by an elevator shaft in its pulled-out position by means of a Kupplungsstriebs in motion, the last Zeigerstellrad with the Einerminutenrace is firmly connected and which consists of the last pointer wheel and the Einerminutencase assembly loosely and freely rotatably mounted on a pregnantradtrieb, which is part of the second transmission chain, and wherein the insects horra star coaxial fixed and mounted on the Einerminutenscale a conjugate shaped detent spring , to the Aligning the Einmininutenefficiency in a dial window of the clock and in the presence of a higher force than the detent spring force to allow a gradual engagement and disengagement between the Eisenradrios and the Einerminutenrace.
  • the axes of the one minute and ten minute lenses are arranged parallel to each other and inside the hour ring, the one minute disc being at least two stages and the edge of its upper digit bearing stage facing the edge of the numerical minute disc; so that the surfaces of the two discs lie in the same plane.
  • the one-minute slot, the ten-minute slot and the hour ring of the digital display are also connected to each other via a switching device in the form of a Maltese transmission.
  • a digital display 10 with a disc rotation drive and release system is intended for integration into a wristwatch.
  • the digital display 10 comprises a Einmininutenin 11, a Zehnerminutenscale 12 and formed as an hour ring 13 hour disc.
  • the axes of the Einmininutenefficiency 11 and the Zehnerminutenscale 12 are arranged parallel to each other and in the interior of the hour ring 13, wherein these Axes are perpendicular to the plane of the digital display.
  • the Einmininutenefficiency 11 is formed at least two stages, the edge of its upper digit-bearing stage of the edge of the ten-minute disc 12 is opposite and the surfaces of the two discs 11, 12 lie in the same plane.
  • the three display discs 11, 12, 13 of the digital display 10 are connected to each other via a switching device, which is formed in this embodiment as a Maltese transmission.
  • a switching device which is formed in this embodiment as a Maltese transmission.
  • This is constructed as follows:
  • the lowest stage of Einmininutenefficiency 11 carries a roller 15 which engages in the Maltese train on the underside of the Zehnerminutenrace 12 and this in the circuit of Einerminutenscale 11 from the numeral "9" on the digit "0", wherein a rotation of the Einmininutenefficiency 11 by 36 ° causes a rotation of the Zehnerminutenchange 12 by 60 °.
  • This plant has, on the one hand, a walking mechanism which comprises a first, conventional gear chain 20 and a first barrel 21, as is also used in an ordinary movement according to the prior art.
  • the force is transmitted from the first barrel 21 via gears with each attached drives, in particular a minute wheel 22, a Kleinêtrad 23 and a second wheel 24, to an escapement 25 and a balance-spiral system 26 of the movement.
  • this transmission chain would have the task of controlling the hands or other displays in the prior art.
  • a rear derailleur which includes a second transmission chain 30 and a second barrel 31 with associated transmission gear.
  • These two transmission chains 20, 30 are interconnected by a trigger mechanism 40, wherein the first transmission chain 20 of the movement controlled by the release mechanism 40, the second transmission chain 30 of the derailleur every minute, timed via the balance-spiral system 26.
  • This second transmission chain 30 transmits the force from the second barrel 31 in the form of a rotational movement of the display discs 11, 12, 13th
  • the tripping mechanism 40 seen a control disk in the form of a stepped disk 41 with thirty each having a step and a depression or gap portions having a total angular width of 12 °, wherein the stepped disk 41 is fixed to the axis of the minute wheel 22.
  • the trigger mechanism 40 also has two in the Fig. 4 shown in a detailed view, pivotally mounted release lever 42, 43, each with two lever arms whose first lever arms are each directed by a release spring 46 against the circumference of the stepped disk 41 and rest with slight pressure on this.
  • the release levers 42, 43 are offset relative to each other so positioned around the circumference of the stepped disk 41 that the ends of said first lever arms offset by half a pitch of the step plate 41 on this or engage in this, as in Fig. 3b is apparent.
  • the triggering mechanism 40 further has a trigger wheel 44 which is released or blocked by the second lever arms of the trigger levers 42, 43, depending on their location about the circumference of the stepped pulley 41.
  • the total angular width of 12 ° of the portions of the stepped pulley 41 may preferably be divided asymmetrically in order to further increase the reliability of the triggering mechanism 40.
  • the angular width of the in Fig. 3a and 3b illustrated stage preferably in the range 6.1 ° to 10 ° and that of the gap in the range 2 ° to 5.9 °, thereby ensuring that shortly before the start of the tripping operation, that is shortly before the fall of the first lever arm of the trigger lever 42, 43 in a gap of the stepped disk 41, the first lever arm of the other release lever 42, 43 has already taken its final position on the stage.
  • the above-mentioned angular width can be chosen differently depending on the configuration of the stepped disk 41.
  • the release levers 42, 43 advantageously so be designed so that their first and second lever arms, which preferably each correspond to a short - and a long lever arm, on both tripping levers 42, 43 are each the same length.
  • each release lever 42, 43 also provided on the short lever arm an eccentric 45, which at the end of the triggering operation, that is, during the fall of the first lever arm of the release lever 42, 43 in a gap of the stepped disk 41, the opening of this first lever arm prevented at the bottom of the stepped disk 41. This makes it possible to reduce the wear on the probe tips of the release lever 42, 43.
  • the stepped pulley 41 continuously rotates with the minute wheel 22, with the first lever arms of the two release levers 42, 43 sliding over the surface of the outer periphery of the pulley 41.
  • the first lever arm of one of the release levers 42, 43 falls from the step disc edge into a gap of the stepped disc 41 and releases the trigger wheel 44 by means of its second lever arm.
  • the second transmission chain 30 of the derailleur can rotate freely until the tooth of the trigger wheel 44 abuts the second lever arm of the other trigger lever 42, 43.
  • the one minute pulley 11 which is preferably mounted directly on or in kinematical connection with a one minute wheel 36 of the second transmission chain 30 of the derailleur, rotates one step further, corresponding to a rotation of 36 ° and the next digit on the one minute pulley, respectively 11 in a window, not shown in the figures visible in the dial of the clock.
  • a second embodiment of a movement of a clock housing the digital display 10, which has a further improved triggering accuracy, will now be described below with reference to FIGS FIGS. 5 to 8b described.
  • a walking gear which includes a first gear chain 50 and a first barrel 51.
  • the force from the first barrel 51 via gears with each attached thereto shoots, in particular via a below also referred to as Neubodenrad minute wheel 52, a Kleinêtrad 53, an intermediate drive 54, a Kleinêtzusatzrad 55, and a second wheel 56, an escapement 25 and a clockwork balance-spiral system 26 transmitted.
  • the low-level gear 53 was supplemented with the Kleinêtradtrieb attached thereto by a loosely mounted on the Kleinêtradrios and therefore freely rotatable Kleinêtzusatzrad 55.
  • the wound barrel 51 is the force of its coil spring or tension spring as torque on the basicbodenrad 52 on the Kleinêtradtrieb the Kleinêtrads 53 on, so that the riveted on the axis of the Kleinêtradrioss Kleinêtrad 53 is rotated.
  • This transmits the torque to the intermediate drive 54, which carries a control disk in the form of a cam 71 and transmits the torque to the loosely mounted on the Kleinêtradtrieb Kleinteilzusatzrad 55, which is in engagement with the second wheel of 56 seconds. From this point on, the torque transmission continues in a conventional manner to the escapement 25 and the clockwork balance control system 26.
  • the tap of the triggering time is carried out in the second embodiment of a movement according to the invention from the small bottom wheel 53 by the Cam 71 is attached to the meshing with the low-level gear 53 intermediate drive 54.
  • the available torque is included in comparison to the first embodiment of a movement according to the invention slightly lower, but is sufficient and higher than the torque on the second wheel 56.
  • the speed of the cam 71 of the second embodiment of a movement according to the invention which in the stepped pulley 41 of the first embodiment in one revolution per hour, be increased significantly to one revolution per four minutes, since the change of the gear train 50 by receiving the intermediate drive 54 and the loosely mounted Kleinêtzusatzrads 55 allows a modified and depending on needs within certain limits selectable number of teeth or translation at these wheels.
  • the number of sections, each with a tooth and a recess on the cam 71 is accordingly selectable, wherein the cam 71 of the second embodiment of a movement according to the invention, as in Fig. 5 and 6 shown having two such sections.
  • the mounted on the intermediate drive 54 cam 71 can therefore be directly and without play in the power flow of the first transmission chain 50 despite the advantageously increased speed.
  • a movement according to the second embodiment of the present invention has a derailleur which, as in FIG Fig. 5 can be seen, a second transmission chain 60 and a second spring housing 61 with associated transmission gear comprises.
  • the two transmission chains 50, 60 are interconnected by a triggering mechanism 70, wherein the first transmission chain 50 of the vehicle controls by means of the triggering mechanism 70, the second transmission chain 60 of the rear derailleur.
  • This second transmission chain 60 transmits, analogously to the relevant description of the first embodiment, every minute, clocked via the balance-spiral system 26, the force from the second barrel 61 in the form of a rotational movement to the Einerminutenrad 66 and thus to the display discs 11, 12th , 13, which allows their gradual progression.
  • the release lever of the trigger mechanism 70 are designed analogous to those of the first embodiment and are designed as pivotally mounted release lever 72, 73, each with a first and a second lever arm, which preferably each correspond to a short and a long lever arm, with the difference that the axes of both levers are arranged coaxially.
  • One of the release lever 72 is fixedly connected to an associated, serving as a pivot axis shaft and the other release lever 73 is loosely and freely rotatably mounted on the pivot axis and axially secured with a bush, as in Fig. 7 shown schematically.
  • the eccentric 75 in this embodiment also have the task of sparing the stylus tips at the ends of the first lever arms of the two release levers 72, 73 and not let them strike the bottom of one of the recesses of the cam 71.
  • the pitch of the portions of the cam 71 may also be constructed asymmetrically to ensure that shortly before the start of the tripping operation, that is shortly before the fall of the first lever arm of the trigger lever 72nd , 73 of a tooth of the cam 71 in the subsequent recess, the first lever arm of the other release lever 72, 73 has reached its final position on the circumference of the cam 71 to To ensure the reliability of the trigger mechanism 70 in the same way.
  • the triggering mechanism 70 further has a trigger wheel 74 which is released or blocked by the second lever arms of the release levers 72, 73, depending on their location around the circumference of the cam 71, and thereby, analogous to the above in connection with the second transmission chain 30th
  • the first embodiment described causes, by means of the second transmission chain 60 of the derailleur, the gradual indexing of the dials 11, 12, 13 of the digital display 10.
  • the manually operable disc interlocking which allows the manual adjustment of the position of the dials 11, 12, 13 of the digital display 10, based on the Fig. 9 . 10a and 10b described.
  • the disc interlocking points as if Fig. 9 can be seen, a plurality, in each case serially meshing Zeigersteller 81, 82, 83, 84, 85, which are displaceable by an elevator shaft 77 in its pulled-out position by means of a Kupplungsstriebhebels 79 in motion on.
  • the disc interlock can be operated by pulling the elevator shaft 77, whereby an angle lever 78 is rotated. The latter pivots the clutch drive lever 79 via its outer shape.
  • the one end of the clutch drive lever 79 engages in the groove of a clutch drive 80.
  • the aforementioned parts take in Fig. 9 shown position, so that the hand wheels 81, 82, 83, 84, 85 can be rotated by manually rotating the elevator shaft 77 in rotary motion.
  • the last hand wheel 85 is fixed to the Einerminutenis 11 and this assembly sits loose and freely rotatably on the sacredradtrieb 86, which is part of the second gear chain 30, 60 of the derailleur.
  • the journal of insects 86 is as out Fig. 10a or 8b visible, formed at the end as a form fit and includes a Tapped hole, these two elements are used to attach a star 87, which limits the height clearance of Einmininutenide 11, the Eisenradtrieb 86 and index.
  • the star 87 has ten teeth.
  • a detent spring 88 is fixed, for example screwed with screws 90, wherein the detent spring is formed conjugate to the shape of the star 87 and consists of several, combined in one component functional parts.
  • This detent spring 88 can be rotated by a certain angle by means of an eccentric 89, which is pressed onto the Einerminutenchange 11.
  • the disc interlocking further comprises a blocking device, wherein a corresponding embodiment of the device now based on the Fig. 11 . 12a and 12b is described.
  • a torque acting in the direction of rotation of the second transmission chain 30, 60 of the derailleur this rotational movement, as is apparent from the above description of the movement, is blocked by one of the two release levers 72,73.
  • the clock is set counterclockwise, the torque acts against the direction of rotation of the wheels in the second transmission chain 30, 60 of the derailleur, which would rotate the entire gear backwards, which could cause damage in the trigger mechanism.
  • the disc interlocking preferably has a special device which blocks the insects 86 in a counterclockwise clock setting.
  • This locking device has a pivotable from the clutch drive lever 79 stop lever rocker 91, at its two free ends a pin 92, 96 is mounted, one of the stop lever rocker 91 acted upon the balance of the clock stop spring 93, and a movably mounted and displaceable by the stop lever rocker 91 blocking lever 94, wherein a toothing 95 of the blocking lever 94 depending on its position in the teeth of the insects fürradtriebs 86 engages and the latter, as in Fig. 12a visible, blocked or, as in Fig. 12b visible, releases.
  • the stop lever rocker 91 is additionally set in rotary motion via the clutch drive lever 79.
  • the stop lever rocker 91 is pressed by means of the at one of their free ends, in Fig. 11 visible pin 92 the stop spring 93 against the balance bent, so that the balance is stopped.
  • the stop lever rocker 91 pin 96 upon movement of the stop lever rocker 91, a linear displacement of the movably mounted and hinged to said pin 96 blocking lever 94.
  • the linear path of the blocking lever 94 is designed so that its fine teeth 95 in the Teeth of the insects 86 engages and blocks it against any further rotation, so that the second transmission chain 30, 60 of the rear derailleur at a reverse rotation of the elevator shaft 77 can rotate only minimally.
  • both the balance wheel and the intermediate wheel drive 86 are freely pivotable or rotatable.
  • the configuration of the blocking lever 94 can be adapted according to the power ratios and the blocking lever 94, for example, as in Fig. 12c represented, only a projection or, as in Fig. 12d shown, an elastic leaf spring without teeth, which in the blocking position of the blocking device rests on the teeth of the insects fürradtriebs 86 may have.
  • the barrels 21, 31, 51, 61 are preferably designed so that they, even in the case of the same length spiral or tension springs in the first - 21, 51 and the second barrel 31, 61, run at different speeds and therefore not the same speed have, in particular such that the second barrel 31, 61 has a lower speed than the first barrel 21, 51 has.
  • This can ensure that there is always enough force on the second barrel 31, 61 to switch the indicator discs 11, 12, 13 of the digital display 10 until the watch has reached its power reserve.
  • the clock respectively the barrels 21, 31, 51, 61, can always be fully wound up, it has two elevator springs with a known to those skilled Gleitbride.
  • the first barrel 21, 51 can also be provided with a spiral or tension spring with a fixed stop for a manual winding.
  • a timepiece according to the present invention has a number of advantages.
  • the trigger mechanism of a movement according to the invention consists in particular only of a control disk, two release levers, each with a first and a second lever arm, and a tripping wheel, wherein the control disk is mounted on an additionally mounted in the first transmission chain intermediate drive, resulting in a simple and space-saving design and leads to a safe functional sequence.
  • these ensure a safe transfer until the end of the power reserve of the clock, the trigger mechanism realizes a secure control of the derailleur through the movement. Any amplitude fluctuations in the balance-spiral system are thereby kept low.
  • the associated disc interlocking which has a simple coupling between the insects and the Einmininutenin, allows safe adjustment of the clock in both directions and can be optionally equipped with a blocking device of insects, which blocks when setting the clockwise counterclockwise said insects.
  • the elevator device is robust, can be implemented in a relatively simple manner, and is characterized by a safe functional sequence.
  • the arrangement of the axes of the one- and ten-minute disc parallel to each other and inside the hour ring realizes an aesthetic Attractive, digital time display for mechanical watches and grants a degree of freedom in the arrangement of the time display on the clock dial. LIST OF REFERENCE NUMBERS No.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
  • Measurement Of Unknown Time Intervals (AREA)
EP18162146.7A 2017-03-30 2018-03-15 Timepiece with digital time display Active EP3382469B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH00425/17A CH713659A1 (de) 2017-03-30 2017-03-30 Uhr mit digitaler Zeitanzeige.

Publications (2)

Publication Number Publication Date
EP3382469A1 true EP3382469A1 (fr) 2018-10-03
EP3382469B1 EP3382469B1 (fr) 2019-09-25

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EP18162146.7A Active EP3382469B1 (fr) 2017-03-30 2018-03-15 Timepiece with digital time display

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US (1) US10579018B2 (fr)
EP (1) EP3382469B1 (fr)
CN (1) CN108693762B (fr)
CH (1) CH713659A1 (fr)

Cited By (2)

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CH715722A1 (fr) * 2019-01-10 2020-07-15 Richemont Int Sa Dispositif d'affichage de l'heure pour pièce d'horlogerie.
EP3904963A1 (fr) * 2020-04-29 2021-11-03 Patek Philippe SA Genève Mouvement horloger comprenant un mecanisme auxiliaire entrainé par une source d'énergie auxiliaire

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Publication number Priority date Publication date Assignee Title
EP3612898B1 (fr) 2017-04-18 2021-03-31 Patek Philippe SA Genève Mécanisme horloger
CZ308195B6 (cs) * 2018-12-11 2020-06-17 SERYN WATCHES s.r.o. Hodinkový stroj s rotační základnou
EP3845975B1 (fr) * 2019-12-31 2024-03-13 Omega SA Dispositif de surete et mecanisme de sonnerie
USD1012749S1 (en) * 2022-03-10 2024-01-30 Richemont International Sa Micro rotor set for a watch dial

Citations (2)

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Publication number Priority date Publication date Assignee Title
CH511471A (fr) * 1966-12-21 1971-04-30 Seiko Instr & Electronics Pièce d'horlogerie à affichage digital
EP1498788A1 (fr) * 2003-07-14 2005-01-19 Eterna SA Dispositif d'affichage pour montre

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EP3904963A1 (fr) * 2020-04-29 2021-11-03 Patek Philippe SA Genève Mouvement horloger comprenant un mecanisme auxiliaire entrainé par une source d'énergie auxiliaire

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CN108693762B (zh) 2021-09-07
US20180284697A1 (en) 2018-10-04
EP3382469B1 (fr) 2019-09-25
CH713659A1 (de) 2018-10-15
US10579018B2 (en) 2020-03-03
CN108693762A (zh) 2018-10-23

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