EP3435177B1 - Montre squelette comprenant un mouvement indépendant de la carrure - Google Patents

Montre squelette comprenant un mouvement indépendant de la carrure Download PDF

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Publication number
EP3435177B1
EP3435177B1 EP17182850.2A EP17182850A EP3435177B1 EP 3435177 B1 EP3435177 B1 EP 3435177B1 EP 17182850 A EP17182850 A EP 17182850A EP 3435177 B1 EP3435177 B1 EP 3435177B1
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EP
European Patent Office
Prior art keywords
frame
watch
wheel
plate
movement
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
EP17182850.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3435177A1 (fr
Inventor
Silvano Bonadei
Damien Goyet
Vittorio ZANESCO
Laurent Mouche
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.)
Swatch Group Research and Development SA
Original Assignee
Swatch Group Research and Development 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 Swatch Group Research and Development SA filed Critical Swatch Group Research and Development SA
Priority to EP17182850.2A priority Critical patent/EP3435177B1/fr
Priority to US16/012,799 priority patent/US10859979B2/en
Priority to JP2018129681A priority patent/JP6556914B2/ja
Priority to KR1020180079269A priority patent/KR102119945B1/ko
Priority to CN201810811376.9A priority patent/CN109298619B/zh
Publication of EP3435177A1 publication Critical patent/EP3435177A1/fr
Application granted granted Critical
Publication of EP3435177B1 publication Critical patent/EP3435177B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/02—Time pieces of which the clockwork is visible partly or wholly
    • 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
    • G04B13/02—Wheels; Pinions; Spindles; Pivots
    • 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
    • G04B19/04—Hands; Discs with a single mark or the like
    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/04—Mounting the clockwork in the case; Shock absorbing mountings
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/008—Mounting, assembling of components
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/101—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means constructional details
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/10—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by electromagnetic means
    • G04C3/108—Driving circuits
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/08—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically
    • G04C3/12—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a mechanical oscillator other than a pendulum or balance, e.g. by a tuning fork, e.g. electrostatically driven by piezoelectric means; driven by magneto-strictive means
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
    • G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G17/00—Structural details; Housings
    • G04G17/02—Component assemblies
    • G04G17/04—Mounting of electronic components

Definitions

  • the invention relates to the field of watchmaking. More specifically, it relates to a quartz skeleton watch, that is to say a watch with analog display (with needles) and an electric motor, which lets its internal organs appear, at least in part.
  • This watch is powered by an electric quartz circuit.
  • This circuit includes areas and conductors directly formed on the bottom.
  • the movement comprises a plate on which the electronic circuit is integrated, this plate being mounted on the auxiliary plate by being interposed between the latter and the frame.
  • the movement may also include a wedge interposed between the plate and the auxiliary plate.
  • the reduction mechanism is preferably mounted between the frame and the auxiliary plate.
  • the reduction mechanism typically comprises an intermediate wheel, in gear engagement with the rotor pinion, and a medium wheel, in gear engagement with the intermediate wheel and the minute wheel.
  • the watch may further comprise a battery case provided with a barrel housed in an aperture formed in the frame, and lugs which project radially from the barrel and are interposed between the frame and the auxiliary plate.
  • the watch can also include a pair of contactors partially housed in the battery case, each contactor having an external tab applied against a range of current collection from the electrical circuit.
  • An epicyclic train mounted in rotation on the minute hand, and which comprises a lower planetary wheel in gear engagement with the sun wheel, and an upper planetary wheel, integral with the lower planetary wheel and in gear engagement with the hour wheel.
  • the stator is for example in the form of an insert inserted between the frame and the auxiliary plate.
  • the electromagnet comprises a coil wound on a bar interposed between the frame and the auxiliary plate, in contact with the stator.
  • FIG.1 On the FIG.1 and on the FIG.2 is shown a skeleton watch 1, so called because part of its internal organs are visible.
  • This watch 1 comprises a middle part 2, which can in particular be made of metal (for example steel), or in a synthetic material (for example in a composite material comprising a polymer matrix loaded with fibers, typically carbon).
  • a middle part 2 can in particular be made of metal (for example steel), or in a synthetic material (for example in a composite material comprising a polymer matrix loaded with fibers, typically carbon).
  • Watch 1 also includes, for wearing on the wrist, a bracelet 3 which is fixed to the middle part 2 between horns 4 formed projecting therefrom.
  • the middle part 2 has a rectangular outline, but this shape is not limiting. In particular, this outline could be rounded (for example circular or oval).
  • the middle part 2 has an anterior face 5 and an opposite posterior face 6, and defines, between them, an interior space 7.
  • Watch 1 also includes a lens 8 and a base 9, fixed to the middle part 2 on either side thereof (the lens 8 on the side of the face 5 anterior; the bottom 9 on the side of the rear face 6) to close the interior space 7.
  • the glass 8 can be made of mineral or synthetic glass (for example in ruby); the bottom 9 is advantageously metallic. As illustrated in the FIG.2 , the base 9 can be fixed to the rear face 6 of the middle part 2 by means of screws 10.
  • the watch 1 further comprises a bezel 11, affixed to the front face 5 to ensure the fixing of the crystal 8 to the middle part 2, while ensuring a finish pleasing to the eye.
  • Watch 1 finally includes a watch movement 12, hereinafter simply referred to as “movement”. As we will explain, this movement 12, when assembled, forms a unitary component independent of the middle part 2 and the back 9.
  • This movement 12 comprises, first of all, an openwork frame 13 whose function is to support certain mobile members, as we will see below.
  • This frame 13 is advantageously made of a material which is not electrically conductive, in particular in a synthetic material (for example made of polymer, or in a composite material comprising a polymer matrix loaded with fibers, typically carbon). If the frame 13 is made of polymer (for example polyoxymethylene, POM, or polytetrafluoroethylene, PTFE), or a short fiber composite, it can be manufactured by plastic injection.
  • the frame 13 has an opposite front face 14 and rear face 15.
  • the external contour of the frame 13 corresponds substantially to the internal contour of the middle part 2, in which it is intended to be fitted.
  • the frame 13 has a rectangular outline, but this shape is not limiting, and the outline could be rounded (for example circular or oval depending on the outline of the middle part 2).
  • the upper cross member 19, the upper branches 21 and the central island 20 define between them a large upper aperture 25.
  • the lateral uprights 16, the central island 20, the bridge 23, the lower platform 22 and the lower branches 24 define between them large lateral openings 26.
  • the upper branches 21, the central island 20, the bridge 23, the platform 22 and the lower branches 24 thus form a cross-supporting structure which, with the openings 25, 26, gives the watch 1 its skeletal appearance.
  • the movement 12 comprises, secondly, time display means 27 mounted on the frame 13 and whose function is to indicate the hour and the minutes.
  • time display means 27 are mounted, on the side of the front face 14 of the frame 13, on a central pin 28 integral with the latter.
  • the spindle 28 is force fitted into a bore 29 made in the central island 20, substantially at the geometrical center of the frame 13.
  • pin 28 is stepped; it extends projecting from the front face 14 of the frame 13 and comprises a first stage 30; a second stage 31, of diameter less than the first stage 30, a third stage 32, of diameter less than the second stage 31, and ends, at a front end, by a threaded stud 33.
  • the time display means 27 comprise a minute hand 34 and an hour hand 35, driven by respective synchronous rotational movements in a reduction ratio of 1 / 12th, that is to say that the hour hand 35 makes a twelfth of a turn when the minute hand 34 makes a full turn.
  • the time display means 27 comprises a minute wheel 36, integral with the minute hand 34.
  • This minute wheel 36 is of large diameter; it includes for example 120 teeth.
  • the attachment of the minute wheel 36 to the minute hand 34 is for example carried out by means of a rivet 37, force-fitted into bores 38, 39 formed respectively in the minute hand 34 and the wheel 36 minutes, as illustrated by the exploded right on the FIG.3 .
  • the minute hand 34 includes an indexing arrow 40, intended to indicate the number of minutes passed in an hour, and a plate 41 which extends diametrically opposite the indexing arrow 40.
  • the sub-assembly comprising the minute hand 34, the minute wheel 36 and the rivet 37, is mounted in free rotation on the first stage 30 of the spindle 28.
  • the time display means 27 also include a sun wheel 42 integral with the spindle 28.
  • This sun wheel 42 is mounted on top the minute hand 34 while being fixed by hunting on the second stage 31 of the spindle 28 so as to be thus in recessed connection with the frame 13.
  • the time display means 27 also comprise an hour wheel 43, integral with the hour hand 35.
  • the mutual fixing of the hour wheel 43 and the hour hand 35 is advantageously carried out by driving. More precisely, this fixing can be carried out by oriented hunting, the hour wheel 43 carrying a sleeve 44 force fitted into a bore 45 formed in the hour hand.
  • the sub-assembly comprising the hour hand 35 and the hour wheel 43 is mounted in free rotation on the third stage 32 of the spindle 28, over the sun wheel 42.
  • a curved washer 46 is preferably interposed between the hour wheel 43 and the sun wheel 42.
  • a nut 47 is fixed to the stud 33 over the hour hand 35.
  • the time display means 27 finally comprise an epicyclic train 48 rotatably mounted on the plate 41 of the minute hand 34.
  • This epicyclic gear 48 comprises a lower planetary wheel 49, in gear engagement with the sun wheel 42, and an upper planetary wheel 50, integral with the lower planetary wheel 49 and in gear engagement with the hour wheel 43.
  • the fixing of the upper planetary wheel 50 on the lower planetary wheel 49 can be carried out by riveting. More specifically, the upper planetary wheel 50 is fitted onto a rivet 51 integral with the lower planetary wheel 49, after which a crown of this rivet 51 is deformed to ensure the fixing of the upper planetary wheel 50 on the lower planetary wheel 49.
  • the planetary gear 48 is fixed in free rotation on the plate 41 of the minute hand 34, by means of a pin 52 which, passing with play through a bore 53 made in the rivet 51, comes to be fitted without play in a hole 54 made in the plate 41.
  • the movement 12 comprises, thirdly, a reduction mechanism 55 in gear engagement with the time display means 27.
  • This reduction mechanism 55 will be detailed below.
  • the energy source which rotates the needles 34, 35 is electric.
  • the electronic circuit 61 is here dissociated from the bottom 9.
  • the movement 12 comprises an auxiliary plate 65 which carries the electronic circuit 61.
  • This auxiliary plate 65 is distinct from the bottom 9; it is fixed to the frame 13 on the side of its rear face 15, as illustrated in particular on the FIG.5 .
  • the auxiliary plate 65 has a shape similar to that of the frame 13. However, the plate 65 has a thickness less than that of the frame 13.
  • the auxiliary plate 65 can be made of a metallic material (for example steel). In this case, it can be produced by cutting (typically with a laser or a water jet) a thin sheet metal element.
  • a metallic material for example steel
  • the advantage of a metallic material is the structural rigidity which it gives to the movement 12, for the benefit of the precision of the operation of the time display means 27.
  • the electronic circuit 61 is not directly formed on the auxiliary plate 65: the movement 12 for this purpose comprises a plate 73 on which the electronic circuit 61 is integrated.
  • the plate 73 is advantageously made of an insulating material, for example in a polymer or in a composite material comprising a polymer matrix loaded with fibers (typically carbon).
  • the plate 73 has a substantially complementary contour of a central part of the frame 13 and the auxiliary plate 65. More specifically, in the example illustrated, the contour of the plate 73 is complementary to the islands 20, 68, the bridges 23, 71, the lower platforms 22, 70 and the lower branches 24, 72.
  • the electronic circuit 61 comprises various components integrated on the plate 73, among which the quartz 62 (including the invisible oscillating element, is housed in a housing) and the computer 63. Electrical conductors 64, directly metallized on the plate 73, connect the various components to ensure the transmission of energy or information.
  • the plate 73 is mounted on the auxiliary plate 65 while being interposed between the latter and the frame 13.
  • the plate 73 is thinned at the level of the central island 20, of the bridge 23, of the platform 22 and of the branches 24 lower (cf. FIG.5 ).
  • the plate 73 is provided with holes 77 which are threaded on pins 78 formed projecting from the ends of the lower branches 24 of the frame 13.
  • the movement 12 comprises a wedge 79 interposed between the plate 73 and the auxiliary plate 65.
  • This wedge 79 which has a contour similar to that of the plate 73, is made of an electrically insulating material; its function electrically isolate the plate 73 from the auxiliary plate 65, to avoid any short circuit in the electronic circuit 61.
  • the positioning of the wedge 79 relative to the frame 13 is also carried out using holes 80 formed in the plate 73, which are threaded on the pins 78.
  • the computer 63 receives quartz 62 pulses at a predetermined fixed frequency, which clock an alternating electrical signal sent to the electromagnet 57.
  • the electromagnet 57 comprises a coil 81 wound on a metal bar 82 interposed between the frame 13 and the auxiliary plate 65, in (electrical) contact with the stator 58.
  • the bar 82 is pierced with positioning holes 83 which are threaded onto the pins 78.
  • the electromagnet 57 gives the stator 58 a magnetization, the polarity of which reverses over a period defined by the alternating electrical signal coming from the computer 63 and passing through the coil 81.
  • stator 58 is in the form of an insert, inserted between the frame 13 and the auxiliary plate 65, and more precisely between the frame 13 and the bar 82 of the electromagnet 57.
  • the stator 58 comprises two V-shaped arms 84 which are connected at a vertex 85. At their ends opposite the vertex 85, the arms 84 are provided with positioning holes 86 which are threaded onto the pins 78.
  • the stator 58 is provided, at its top 85, with a central bore 87 in which the rotor 59 is housed.
  • the rotor 59 is provided with a magnetized counterweight 88 which, driven by the changes in polarity of the stator 58, drives the rotor 59 of sequential rotational movements at a predetermined angle.
  • the rotor 59 is provided with an axis 89; it is mounted in free rotation between the frame 13 and the auxiliary plate 65 - and more precisely between the frame 13 and the plate 73, which include respective coaxial holes 90, 91 for guiding this axis 89.
  • the reduction mechanism 55 is also mounted between the frame 13 and the auxiliary plate 65.
  • the reducing mechanism 55 comprises an intermediate wheel 92, in gear engagement with the pinion 60 of the rotor, and a medium wheel 93, in gear engagement with the intermediate wheel 92 and with the minute wheel 36.
  • the intermediate wheel 92 and the middle wheel 93 each comprise a respective axis 94, 95 guided by holes 96, 97 made in the frame and by corresponding holes 98, 99 made in the plate 73.
  • Watch 1 comprises, in sixth place, a battery case 100 provided with a barrel 101 housed in the upper aperture 25 of the frame 13, and lugs 102 which project radially from the barrel 101 and are interposed between the frame 13 and the auxiliary plate 65.
  • the legs 102 are provided with bores 103 which fit onto pins 104 formed projecting from the frame 13, on the side of its rear face 15.
  • the legs 103 (like the pins 104) are four in number, two pins 104 are located substantially in the middle of the upper branches 21; a third pin 104 is located on the central island 20; a fourth pin 104 is located in the middle of the top rail 19.
  • At least some of the pins 104 are advantageously formed in notches 105 formed in the rear face of the frame 13, substantially complementary to the legs 103 and in which these come to fit.
  • the housing 100 is configured to accommodate a button-type battery 106, typically a lithium battery, which comprises an anode 107 (positive pole) forming the periphery of the battery 106, and a cathode 108 (negative pole) forming one side of that -this.
  • a button-type battery 106 typically a lithium battery, which comprises an anode 107 (positive pole) forming the periphery of the battery 106, and a cathode 108 (negative pole) forming one side of that -this.
  • the housing is provided with a cutout 117 which allows a glimpse of the disc 114 of the cathode contactor 113. In this way, it is possible to engrave it to write therein indications relating, for example, to the brand under which watch 1 is marketed.
  • the spindle 28 is mounted on the frame 13, by force-fitting it into its central bore 29, on the side of its rear face 15.
  • the subassembly comprising the minute hand 34 and the minute wheel 36 is formed, which is fixed together by means of the rivet 37 and which is mounted in free rotation on the first stage 30 of the spindle 28.
  • the wheel 42 sun is then mounted by hunting on the second stage 31 of the spindle 28.
  • the epicyclic train 48 is formed, by riveting the upper planetary wheel 50 on the lower planetary wheel 49. Then the planetary gear 48 is mounted on the minute hand 34 by means of the pin 52 which comes to be fitted (in free rotation) in the bore 53 of the rivet 51 and (in force) in the hole 54 made in the plate 41, making sure to mesh the lower planetary wheel 49 with the sun wheel 42.
  • the sub-assembly comprising the hour wheel 43 and the hour hand 35 is then formed, by oriented flushing of the latter on the sleeve 44. Then this sub-assembly is mounted in free rotation on the third stage 32 of the spindle 28, by interposing the washer 49 curved between the hour wheel 43 and the sun wheel 42.
  • the frame 13 should then be turned over to orient the rear face 15 upwards in anticipation of mounting the battery box 100, the motor 56, the reduction mechanism 55 and the electronic circuit 61.
  • the stator 58 is first mounted, by affixing it to the lower platform 22 by threading the positioning holes 86 on the pins 78.
  • the rotor 59 is mounted, by threading its axis 89 in the hole 90, the counterweight 88 coming to be housed in the bore 87 of the stator 58.
  • the wheel 93 is then mounted on average by threading its axis 95 in the hole 97, then the intermediate wheel 92 by threading its axle 94 in the hole 96.
  • the electromagnet 57 is mounted by threading the holes 83 for positioning the bar 82 on the pins 78.
  • the legs 102 are fitted into the notches 105; the bores 103 are threaded onto the pins 104.
  • the cathode contactor 113 is then attached by placing the disc 114 at the bottom of the battery box 100, and by threading the hole 116 on a pin 104 of one of the upper branches 21.
  • the anode contactor 109 is brought in by inserting the blade 110 into the battery case 100 and threading the hole 112 on a pin 104 of the other upper branch 21.
  • the battery 106 can then be introduced into the housing 100, and the latter can be closed by means of a cover (not shown). As a variant, the battery 106 is intended to be held in the housing 100 by the bottom 9.
  • the auxiliary plate 65 is then added to be fixed to the frame 13 by covering the plate 73 and the wedge 79.
  • the plate 65 is fixed directly to the frame 13, by means of screws 118 which, passing through holes 119 made in the platinum 65, are caught in bores 120 made in pins 78, 104.
  • the assembly of movement 12 is thus completed, as illustrated (in partial section) on the FIG.7 , and on the FIG.2 .
  • the movement 12 is functional (assuming that the electronic circuit 61 is powered by a battery 106).
  • the movement 12 is independent of the middle part 2 and the back 9 (we do not take into account, here, a possible time-setting mechanism).
  • the movement 12 can then be mounted in the middle part 2. To this end, the movement 12 is fitted into the interior space 7. To ensure proper positioning of the movement 12, the middle part 2 is advantageously provided, on its inner periphery, with a flange 121 on which the movement 12 is applied (and more specifically the auxiliary plate 65). The movement 12 is fixed to the middle part 2 by means of screws 122 which, through bores 123 formed in bulges 124 protruding from the flange 121, become caught in the auxiliary plate 64, or directly in frame 13.
  • the bottom 9 is fixed to the rear face 6 by means of the screws 10; the glass 8 is attached to the front face 5 and subjected thereto by means of the bezel 11, which is fixed to the middle part 2 by force fitting or by means of screws (not shown).
  • the computer 63 generates, on pulses received from the piezoelectric quartz 62, an alternating electrical signal sent to the electromagnet 57, whose stator 58 drives the rotor 59 with sequential rotational movements.
  • the rotation of the rotor 59 is transmitted with reduction, via the pinion 60, the intermediate wheel 92 and the average wheel 93, to the minute wheel 36.
  • the computer 63 is programmed, and the pinion 60 and the wheels 36, 92, 93 dimensioned, so that the minute wheel 36 (and the minute hand 34 with) performs one complete rotation in one hour.
  • the sun wheel 42, the planetary gear 48 and the hour wheel 43 are dimensioned so that the reduction ratio, noted r, between the sun wheel 42 and the hour wheel 43 is 1 / 12th.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromechanical Clocks (AREA)
EP17182850.2A 2017-07-24 2017-07-24 Montre squelette comprenant un mouvement indépendant de la carrure Active EP3435177B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP17182850.2A EP3435177B1 (fr) 2017-07-24 2017-07-24 Montre squelette comprenant un mouvement indépendant de la carrure
US16/012,799 US10859979B2 (en) 2017-07-24 2018-06-20 Skeleton watch including a movement independent of the case middle
JP2018129681A JP6556914B2 (ja) 2017-07-24 2018-07-09 ケースミドル部とは独立なムーブメントを有するスケルトン腕時計
KR1020180079269A KR102119945B1 (ko) 2017-07-24 2018-07-09 케이스 중간부와 독립적인 무브먼트를 포함한 스켈레톤 시계
CN201810811376.9A CN109298619B (zh) 2017-07-24 2018-07-23 包括独立于表壳中间部件的机芯的镂空表

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17182850.2A EP3435177B1 (fr) 2017-07-24 2017-07-24 Montre squelette comprenant un mouvement indépendant de la carrure

Publications (2)

Publication Number Publication Date
EP3435177A1 EP3435177A1 (fr) 2019-01-30
EP3435177B1 true EP3435177B1 (fr) 2020-02-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP17182850.2A Active EP3435177B1 (fr) 2017-07-24 2017-07-24 Montre squelette comprenant un mouvement indépendant de la carrure

Country Status (5)

Country Link
US (1) US10859979B2 (ko)
EP (1) EP3435177B1 (ko)
JP (1) JP6556914B2 (ko)
KR (1) KR102119945B1 (ko)
CN (1) CN109298619B (ko)

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USD931130S1 (en) * 2018-10-03 2021-09-21 Richemont International Sa Watch dial
USD874967S1 (en) * 2018-11-16 2020-02-11 City Time Brands S.L.U Watch band
JP1665526S (ko) * 2019-05-21 2020-08-11
TWD208141S (zh) * 2019-10-14 2020-11-11 瑞士商杜林控股股份有限公司 手錶之部分
USD986070S1 (en) * 2020-03-06 2023-05-16 Richemont International Sa Watch
CN111399363B (zh) * 2020-04-10 2021-05-11 戴亚高 一种可改变方向的时针指示两維机芯
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CN109298619B (zh) 2021-08-03
KR20190011190A (ko) 2019-02-01
KR102119945B1 (ko) 2020-06-08
EP3435177A1 (fr) 2019-01-30
CN109298619A (zh) 2019-02-01
US10859979B2 (en) 2020-12-08
JP6556914B2 (ja) 2019-08-07
JP2019023626A (ja) 2019-02-14
US20190025765A1 (en) 2019-01-24

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