EP3629102A1 - Anzeigemechanismus mit einer fensteranzeige - Google Patents

Anzeigemechanismus mit einer fensteranzeige Download PDF

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Publication number
EP3629102A1
EP3629102A1 EP18196793.6A EP18196793A EP3629102A1 EP 3629102 A1 EP3629102 A1 EP 3629102A1 EP 18196793 A EP18196793 A EP 18196793A EP 3629102 A1 EP3629102 A1 EP 3629102A1
Authority
EP
European Patent Office
Prior art keywords
disc
rotation
window
display
display mechanism
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
EP18196793.6A
Other languages
English (en)
French (fr)
Other versions
EP3629102B1 (de
Inventor
Frédéric Maier
James Hide
Nicolas BOULE
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.)
Patek Philippe SA Geneve
Original Assignee
Patek Philippe SA Geneve
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
Priority to EP18196793.6A priority Critical patent/EP3629102B1/de
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP19784144.8A priority patent/EP3857313B1/de
Priority to US17/279,992 priority patent/US20210397132A1/en
Priority to CN201980063729.4A priority patent/CN112805634B/zh
Priority to EP23207985.5A priority patent/EP4293431A3/de
Priority to JP2021516767A priority patent/JP2022502640A/ja
Priority to PCT/IB2019/058176 priority patent/WO2020065574A2/fr
Publication of EP3629102A1 publication Critical patent/EP3629102A1/de
Application granted granted Critical
Publication of EP3629102B1 publication Critical patent/EP3629102B1/de
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
    • G04B19/00—Indicating the time by visual means
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped
    • G04B19/253—Driving or releasing mechanisms
    • G04B19/25333—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement
    • G04B19/2534—Driving or releasing mechanisms wherein the date indicators are driven or released mechanically by a clockwork movement driven or released continuously by the clockwork movement
    • 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
    • G04B19/24—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars
    • G04B19/243—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator
    • G04B19/247—Clocks or watches with date or week-day indicators, i.e. calendar clocks or watches; Clockwork calendars characterised by the shape of the date indicator disc-shaped

Definitions

  • the present invention relates to a display mechanism for a timepiece, more particularly a mechanism for display in a window of a timepiece.
  • the invention also relates to a timepiece movement comprising such a display mechanism as well as a timepiece such as a wristwatch, a pocket watch, a pendulum, or a pendulum comprising such a movement.
  • An object of the invention is to provide a display mechanism which at least partially overcomes the aforementioned drawbacks.
  • the invention provides a display mechanism for a timepiece comprising a frame, a stationary window relative to the frame and a first and a second display disc each carrying indications, characterized in that it allows display the indications of the first and second discs alternately through said window.
  • the invention also provides a timepiece movement comprising such a mechanism as well as a timepiece comprising such a timepiece movement.
  • the mechanism comprises a control means which can be actuated manually by the user of said timepiece to change the disc, at least one indication of which can be read through said window.
  • said control means can typically be actuated from outside the case of said timepiece.
  • the mechanism according to the invention allows the display of information carried by different discs alternately through the same window.
  • a display mechanism 1 according to a first embodiment of the invention comprises a plate 100, a rocker 101, a date disc 1051, a day disc 1052, and a means for controlling said rocker 101.
  • Such a mechanism 1 is typically integrated into a watch movement, for example in a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the date disc 1051 typically an annular disc, has a graduation 1061 comprising thirty-one indications, corresponding to the dates of the months, uniformly distributed over a circumference of its upper surface. These indications are arranged in ascending order in the opposite direction to the direction of rotation of the date disc 1051, that is to say counterclockwise, and are intended to move opposite a window 107 typically produced in a dial of a timepiece in which the display mechanism 1 is integrated. In the Figures 1a to 1c , the dial is not shown but the position of the window 107 is materialized.
  • the date disc 1051 is typically carried by a ring 1021 with internal toothing comprising thirty-one teeth and called the date ring 1021. It is by example glued, chased, screwed or brazed on it. As a variant, the date disc 1051 could directly include the internal toothing.
  • the day disc 1052 has a graduation 1062 comprising seven indications corresponding to the names of the days of the week, these indications being uniformly distributed over a circumference of its upper surface. These indications 1062 are arranged in chronological order of days in the opposite direction to the direction of rotation of the disc of days 1052, that is to say clockwise, and are intended to be read through the window 107 previously mentioned.
  • the day disc 1052 is typically carried by a toothed wheel 1022 called the day wheel 1022. It is for example glued, driven out, screwed or brazed thereon. Alternatively, the day disc could directly include the toothing.
  • the rocker 101 is intended to pivot around an axis of rotation A1, fixed relative to the plate 100. It is rotated around this axis A1 by means of an actuating mechanism 108 comprising a pinion actuation 108a and an actuation wheel 108b, as shown in Figures 1a to 2c .
  • the actuating pinion 108a is integral with the rocker 101 and meshes with the actuating wheel 108b whose rotational movements are controlled by the user by means of an actuation means not illustrated such as a rod one end of which is accessible from the outside of the timepiece in which the mechanism 1 is integrated and the other end of which carries a rack meshing with the actuating wheel 108b.
  • the assembly comprising said actuating mechanism 108 and actuating means constitutes the "control means" of the display mechanism 1.
  • the rocker 101 carries a driving mobile 1031 comprising a first toothed wheel 1031a with sixty teeth and a second toothed wheel 1031b with six coaxial teeth, these wheels being integral in rotation with one another and free in rotation about the axis A1.
  • the first 1031a of the toothed wheels of this driving mobile 1031 is kinematically connected to the gear train of the timepiece movement to which the display mechanism 1 is integrated so that the two wheels 1031a, 1031b of this mobile typically perform a sixth of a turn every 24h.
  • the second 1031b of the toothed wheels of this driving mobile 1031 meshes with the internal toothing of the date ring 1021. It takes one step every 24 hours and rotates said ring 1021 by one step every 24 hours, thereby passing the 'date display from one indication to the next each day.
  • the first 1031a of the wheels of said mobile 1031 meshes with the day wheel 1022 which is carried by the rocker 101.
  • This day wheel 1022 is mobile in rotation around an axis of rotation A2 distinct from the axis A1 and typically parallel to this axis A1, the axis A2 being fixed relative to the rocker 101 and mobile in rotation relative to the plate 100.
  • the gear ratio between this day wheel 1022 and the second wheel 1031b of the driving mobile 1031 is such that this day wheel 1022 is rotated at a rate of one seventh of a turn per day.
  • the actuating mechanism 108 When actuated, the actuating mechanism 108 makes it possible to pivot the rocker 101 between two extreme positions, alternately from a first to a second extreme position then from said second extreme position to said first extreme position.
  • the Figures 2a to 2c illustrate the transition from the first of said extreme positions to the second of said extreme positions when the actuation mechanism 108 is actuated via the actuation means.
  • the figure 2b represents an intermediate position between said two extreme positions.
  • the end of the rocker 101 is distant from the window 107 so that the day disc 1052 is positioned outside the field visible through the window 107.
  • the day disc 1052 In this position, the day disc 1052 is intended to be almost completely or even completely under the dial.
  • the date disc 1051 always positioned at least partially opposite the window 107, is therefore at least partially visible through the window 107.
  • an indication of the graduation 1061 corresponding to the date of the day is fully legible through this window 107.
  • This first extreme position of the rocker 101 corresponds to that of the figure 2a and is also represented at Figures 1a to 1c .
  • the end of the rocker 101 is close to the window 107 so that the day disc 1052 covers at least the part of the date disc 1051 situated opposite the window 107, as illustrated in FIG. figure 2c .
  • the date disc 1051 is then no longer visible through the window 107.
  • an indication of the graduation 1062 corresponding to the name of the day is fully legible through this window 107, as at figure 2c .
  • the two extreme positions that the rocker 101 takes during the operation of the display mechanism 1 define its angular movement. In this example, it is around 30 °. These extreme positions are reached at each alternation of the direction of rotation of the rocker 101.
  • the display mechanism 1 is designed so that the relative position of the lever 101 relative to the plate 100 does not affect either the rotation of the day disc 1052 or that of the date disc 1051. Indeed, the position of the center of rotation A1 is fixed during the pivoting of the rocker 101 so that the first wheel 1031a of the driving mobile 1031 can be rotated by continuously by the gear train.
  • the second wheel 1031b of the driving mobile 1031 being integral with it, it is permanently able to drive the date disc 1051 in rotation.
  • the day wheel 1022 and its axis of rotation A2 move with the rocker 101, this wheel 1022 therefore meshes with the first toothed wheel 1031a whatever the position of the rocker 101.
  • the day disc 1052 is therefore rotated at a rhythm of one seventh of a day, regardless of the position of the rocker 101.
  • the display mechanism 1 operates in a trailing manner but it could easily be modified to operate instantaneously (by jumps), that is to say typically in a few milliseconds.
  • the driving mobile 1031 could comprise an additional six-tooth star coaxial and integral in rotation with the first 1031a and second 1031b toothed wheels of the driving mobile 1031, this star being driven in instantaneous rotation of one step every 24 h. under the effect of a finger carried by a rocker carrying a feeler, said feeler being held against a spiral kinematically connected to the gear train of the watch movement in which said display mechanism 1 is integrated and suddenly falling every 24 hours.
  • the actuating means is typically designed to allow the display of the day of the week of choice when it is held down or when it is kept pulled.
  • the actuating means may be designed to return automatically to its initial position or may, on the contrary, remain locked in the position which the user has just imposed on it until it does not activate it again.
  • actuating means could be other than a rack rod as described above.
  • this rack rod could for example be replaced by a connecting rod system.
  • a connecting rod system would typically comprise a rod, one end of which would be accessible from outside the watch case and the other end of which would pivot freely around a pin fixed eccentrically on the actuating wheel 108b of the actuating mechanism 108 so as to cause the latter to rotate in one direction and then in the other during its back-and-forth movements.
  • the rack rod could be replaced by a rod, one end of which would be accessible from outside the watch case and the other end of which would be fixed to a first end of a spring cable wrapped around the axis of rotation of the actuating wheel 108b.
  • the second end of this spring cable would be fixed to said axis of rotation so that the back and forth movements of said rod would cause the wheel 108b to rotate alternately in one direction and then in the other.
  • Such a display mechanism 1 has the advantage of allowing the display of two different pieces of information alternately in the same window, the user being able, simply by acting on an actuating means, to control the rocker 101 to choose the information (date or day of the week) that he wishes to be able to read through the window 107. This allows, while offering the user the possibility of learning about different information, not to overload the dial with multiple counters.
  • a display mechanism 2 comprises a plate 200, from the first 2011 and second 2012 rockers, first 2021 and second 2022 cogwheels, each of said cogwheels 2021, 2022 being carried by one of said rockers 2011, 2012 and friction mounted on the latter, and each of said cogwheels 2021, 2022 carrying a disc 2051 , 2052 date display.
  • the display mechanism 2 also comprises an upper locking stop 2031b, 2032b and an upper driving stop 2031a, 2032a as well as a lower locking stop 2041b, 2042b and a lower driving stop 2041a, 2042a for each of said first and second toothed wheels 2021, 2022, or eight stops, all fixed relative to the plate 200.
  • This display mechanism 2 further comprises a day display disc 2053, typically fixed on a third gear or wheel days (not shown) and a control button 208 whose operation is detailed in the following description.
  • Such a display mechanism 2 is typically integrated into a watch movement, for example of a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the first 2021 of the toothed wheels carries a first display disc 2051 which will be called “odd disc”.
  • This disc 2051 is typically an annular disc. It includes a graduation 2061 comprising indications corresponding to the odd dates of the month, ranging from 1 to 29 inclusive as well as a indication "set", these indications 2061 being uniformly distributed over a circumference of its upper surface and intended to be read through a window 207 whose position is fixed relative to the plate 200.
  • the window 207 is typically produced in a dial positioned above the display discs 2051, 2052. In the figures 3 to 5f , the dial is not shown but the position of the window 207 is materialized.
  • the second toothed wheel 2022 carries a second display disc 2052 which will be called “peer disc”.
  • This disc 2052 is typically an annular disc. It includes a 2062 graduation including indications corresponding to the even dates of the month ranging from 2 to 30 inclusive. It can also, when the latter is not carried by the odd-numbered disc 2051, also bear the date "31". These indications are uniformly distributed over a circumference of the upper surface of said disc 2052 and are intended to be read through the window 207.
  • first 2011 and second 2012 scales which respectively carry the odd wheel 2021 and the peer wheel 2022 are called respectively “rocker of the odd 2011” and “rocker of the peer 2012”.
  • the odd wheel 2021 is friction mounted on the odd lever 2011 so that it can pivot relative to the latter about an axis of rotation of the odd A4 when it is subjected to sufficient torque.
  • the peer wheel 2022 is frictionally mounted on the rocker of the peers 2012 so as to be able to pivot relative to the latter about an axis of rotation of the peers A5 when it is subjected to sufficient torque.
  • the rockers of the peers 2012 and the odd ones 2011 are intended to pivot around a common axis of rotation A3 fixed relative to the plate 200.
  • the axes of rotation of the odd numbers A4 and of the peers A5 are movable relative to the plate 200 and fixed relative to the rockers of the odd numbers 2011 and the pairs 2012, respectively. They correspond respectively to the centers of the wheels 2021, 2022 considered in plan view and are therefore distinct from the axis of rotation A3 common to the two rockers 2011, 2012.
  • each of the discs of the odd numbers 2051 and of the pairs 2052 is made integral in rotation with the toothed wheel 2021, 2022 which carries it, for example by gluing, chasing, brazing, screwing or by any other suitable assembly technique, so that the rotational movements of each of the wheels 2021, 2022 are transmitted to the disc 2051, 2052 which it carries.
  • the wheels for odd 2021 and even 2022 are identical. Each of them has sixteen identical teeth. Each of the teeth of a given wheel 2021, 2022 comprises a front flank extending radially with respect to the center of said wheel 2021, 2022 and a rear flank forming an acute angle with the front flank.
  • an abutment as an abutment for the peer or as an abutment for the odd number as a function of the wheel 2021, 2022 with which it is associated.
  • the day disc 2053 is typically an annular disc. It has a graduation 2063 comprising seven indications corresponding to the days of the week uniformly distributed over a circumference of its upper surface. These indications are also intended to be read through the window 207.
  • the scales of the odd 2011 and peer 2012 are linked by a spring 209 which tends to bring them closer to each other. This approximation is limited by protrusions 2151, 2152 of the flip-flops of the odd 2011 and of the peers 2012 respectively, which come into abutment against each other when the maximum approximation of the flip-flops is reached, as illustrated in particular in the figure 3 .
  • Each of the rockers 2011, 2012 carries a pin, respectively 2161, 2162, on which the control pusher 208 can act.
  • the control pusher 208 pushes on these pins 2161, 2162 which makes it possible to separate the rockers 2011, 2012 from one another, against the elastic return force of the spring 209.
  • the operation of the display mechanism 2 will be called “basic operation" when the control button 208 is not actuated.
  • the display mechanism 2 allows the display of the calendar of the month via one or the other of the odd discs 2051 or of the peers 2052.
  • the days disc 2053 is permanently partly opposite the window 207, and most of the time with an indication of its graduation 2063 entirely opposite the window 207. However, when the control button 208 is not actuated, the disc of days 2053 is not or not entirely visible through the window 207 because it is covered at least in part by one of the discs of odd numbers 2051 or of peers 2052.
  • a user can actuate the control button 208 so as to promptly separate the scales 2011, 2012 from one another in order to make legible an indication of the graduation 2063 of the day of the week carried by the day display disc 2053, through window 207.
  • the rockers of the odd numbers 2011 and the peers 2012 are integral in rotation with one another, their protuberances 2151, 2152 being held in abutment against one another under the effect of spring 209. They are driven simultaneously in reciprocating rotational movements, that is to say they describe rotational movements alternately clockwise and then counterclockwise, around their axis of rotation A3 , by means of a drive mechanism kinematically connected to a gear train for finishing a watch movement (not shown).
  • the drive mechanism comprises, inter alia, a toothed drive pinion 211, a toothed drive wheel 212, a link gear 213 toothed and a spiral spring 214.
  • the drive pinion 211 is integral in rotation with the rocker of the peers 2012. It meshes with the drive wheel 212 itself driven in rotation by the connecting pinion 213 to which it is connected elastically by means of the spiral spring 214.
  • the pinion of link 213 is in turn connected to the gear train for finishing the watch movement in which the display mechanism 2 is integrated so as to perform alternative rotational movements.
  • Such movements of the connecting pinion 213 can for example be obtained by means of a driving wheel making one revolution every 48 hours, this wheel belonging to the gear train or being kinematically connected to the gear train and carrying an eccentric pin, and d '' a swivel toothed rake with an oblong opening.
  • the eccentric pin crosses said oblong opening so as to drive the rake in alternating rotational movements around a specific axis of rotation, the toothing of said rake meshing with that of the connecting pinion 213 to transmit its alternative rotational movements.
  • the amplitude of the alternating rotational movements of the toothed rake is constant and identical clockwise and counterclockwise; it depends in particular on the radius separating the eccentric stud from the center of rotation of the driving wheel and on the position of the oblong opening on the rake.
  • the connecting pinion 213 and the drive wheel 212 are made to rotate with one another by the spring 214.
  • the scales of the odd 2011 and the peers are integral in rotation with one another and pivot together.
  • the drive pinion 211 is integral with the rocker of the peers 2012 and the odd rocker 2011 follows the movements of the latter thanks to the action of the spring 209.
  • the drive pinion 211 could be in rotation with the 2011 seesaw rather than the 2012 seesaw. So, in basic operation, it would be the tilt of the 2012 peers that would follow the movements of the tilt of the odd 2011.
  • the reading is done on the peer disc 2052 and in the second of said reading positions, the reading is done on the odd disc 2051.
  • the indications of the odd numbers on the odd disc 2051 are arranged in ascending order in the opposite direction to the direction of rotation of the odd wheel 2021 that is to say in the counterclockwise direction on the odd disc 2051, the indication “set” being inserted between the indications “1” and “29”.
  • the indications of the even numbers 2062 on the disc of the peers 2052 are arranged in ascending order in the opposite direction to the direction of rotation of the wheel of the 2021 peers i.e. clockwise on the 2052 peer disc.
  • the wheels of the peers 2022 and the odds 2021 of the display mechanism 2 cooperate with the driving stops 2032a, 2042a, 2031a, 2041a and locking stops 2032b, 2042b, 2031b, 2041b of the peers and the odd during the movements of v back and forth of the rockers 2012, 2011.
  • This causes the rotation of said wheels 2021, 2022 as well as discs 2051, 2052 which they carry in rotation clockwise for the odd wheel 2021 and counterclockwise for the wheel of 2022 peers, the reading of the date being done through the window 207 alternately on the odd disc 2051 and on the peer disc 2052.
  • tooth n ° X the tooth of the gear concerned (odd 2021 or even 2022) pointing towards the indication of a graduation bearing n ° X in each of the illustrated configurations.
  • the display mechanism 2 displays, through the window 207, the calendar of the month "2" located on the peer disc 2052, the indication "2" is fully readable through the window 207.
  • All the scales 2011, 2012 is in a first of the two reading positions. It has just completed its counterclockwise rotation and is about to begin its clockwise rotation.
  • the tooth n ° 21 of the odd wheel 2021 has its rear flank in contact with the lower odd drive stop 2041a and its tooth n ° 27 has its front flank in abutment against the lower odd blocking stop 2041b.
  • tooth # 31 of the peer wheel 2022 has its rear flank in contact with the upper peer drive stop 2032a and its tooth # 6 has its front flank in abutment against the upper peer blocking stop. 2032b.
  • All the scales in 2011 and 2012 begin their clockwise rotation around the axis of rotation A3.
  • the position of the lower odd blocking stop 2041b as well as the shape of the teeth of the odd wheel 2021 and in particular the shape of their front flank are such that the rotation of all the rockers 2011, 2012 clockwise , from this position, can be done with very little or no rotation of the wheel 2021 carrying the odd disc 2051 relative to all of the scales 2011, 2012.
  • the odd wheel 2021 is substantially stationary relative to the '' set of scales 2011, 2012 throughout its rotation between the state represented in the figure 4a and the state shown in the figure 4b .
  • the position of the upper peer locking stop 2032b as well as the shape of the teeth of the peer wheel 2022 and in particular the shape of their front flank, are such that the rotation of all the rockers 2011, 2012 clockwise, from the position shown in figure 4a , can be done with very little or no rotation of the wheel 2022 carrying the disc of the peers 2052 compared to all of the rockers 2011, 2012.
  • the peer wheel 2022 is substantially stationary compared to the rockers 2011, 2012 throughout their rotation between the state shown in the figure 4a and the state shown in the figure 4c .
  • each of the teeth of a given wheel 2021, 2022 comprises a front flank extending radially with respect to the center of said toothed wheel 2021, 2022 and a rear flank forming an acute angle with the front flank.
  • Such a shape for the front flank can cause a slight rotation of each of said wheels 2021, 2022 relative to the rockers 2011, 2012 during their rotation.
  • mechanism 2 displays the calendar of month "3" located on the odd display disc, the indication "3" of the graduation 2061 is fully legible through the window 207.
  • All of the scales 2011, 2012 is in the second of the two reading positions. It has just completed its clockwise rotation and is about to begin its counterclockwise rotation.
  • the set of scales 2011, 2012 begins its rotation counterclockwise.
  • the start of its rotation counter-clockwise can be done, from this position, with very little or no rotation of the cogwheels of the odd 2021 and of the peer 2022 compared to the flip-flop 2011 , 2012, the front flank of each of the teeth n ° 7 and n ° 28 respectively in contact with the upper odd blocking stop 2031b and the lower peer block stop 2042b moving along these stops.
  • the peer wheel 2022 is substantially stationary relative to the set of rockers 2011, 2012 during the rotation of this set between the state shown in the figure 4d and the state shown in the figure 4e .
  • the indication "3" of the graduation 2061 is no longer readable through the window 207.
  • the figure 4e illustrates the point at which the rear flank of tooth # 2 of the peer wheel 2022 comes into contact with the upper peer stopper 2032a.
  • the display mechanism 2 displays the calendar of the month "4" located on the peer display disc 2052, the indication "4" is fully legible through the window 207. All the scales 2011, 2012 is again in the first of the two reading positions. He comes from complete its rotation counterclockwise and is about to begin its rotation clockwise.
  • the display mechanism 2 is arranged to indicate "set” in the window 207. This makes it possible to alert the user to the fact that action on his part is required. Indeed, if the month is a month of thirty-one days, the user will be able to manually rotate the disks 2051, 2052 by means of an actuating rod driving all the rockers 2011, 2012 in movement until the indication bearing the number "31" of the graduation 2062 is fully legible through the window 207. If the month is a month of thirty days, the user can manually rotate the discs 2051 more , 2052 so that the indication bearing the number "1" of the graduation 2061 is fully legible through the window 207.
  • the arrangement of the display mechanism 2 according to the invention is such that each time that all the rockers 2011, 2012 pass from one reading position to the other, each of the wheels 2021, 2022 moves of an angle ⁇ / 2, corresponding to a half angular sector 2101, 2102 of angle ⁇ of the disc 2051, 2052 which it carries, relative to the rockers 2011, 2012. Each of the wheels 2021, 2022 therefore performs on each go return a displacement of an angle equal to ⁇ corresponding to an angular sector 2101, 2102 of the corresponding display disc 2051, 2052.
  • Each of the wheels 2021, 2022 is designed so that the angle ⁇ defined by an angular sector 2101, 2012 corresponds to a pitch of the wheel considered.
  • the wheel 2021 of the mechanism 2 typically comprises sixteen teeth separated by a bottom whose length is the same as that of the tooth at the level of the foot circle.
  • the wheel 2021 corresponds to a wheel with thirty-two identical teeth in the shape of a sawtooth from which one tooth in two has been removed.
  • One of the advantages of the display mechanism 2 according to the invention is that it allows, at the request of the user, the spacing of the flip-flops 2011, 2012 and the display disks of the peers 2052 and the odd numbers 2051 that they bear to make the day display disc 2053 visible through the window 207.
  • This day disc 2053 is rotated at a rate of one seventh of a turn per day. It is typically fixed on a star of seven teeth, for example glued, chased, brazed or screwed on it, the latter being kinematically connected to the final train of the watch movement to pivot by one seventh of a day.
  • the Figures 5a to 5f illustrate how the control button 208 allows the spacing of the discs of the odd numbers 2051 and of the peers 2052 to display an indication of the graduation 2063 of the disc of the days 2053.
  • the control pusher 208 typically comprises a T-shaped structure, the head of the T being intended to push the pins 2161, 2162 carried by the rocker stops 2151, 2152 of the rockers 2011, 2012 to separate the date discs 2051, 2052.
  • the two scales 2011, 2012 are in a rest position, the control pusher 208 exerts no force on one or the other of the scales 2011, 2012. In this position, it is the spring 209 which connects the two scales 2011, 2012 as well as the protrusions 2151, 2152 which limit the bringing together of these two scales which, by themselves, define the angle that they form between them.
  • control pusher 208 When the user wishes to display the day of the week punctually rather than the calendar of the month through the window 207, he actuates the control pusher 208, one end of which is typically accessible from outside the timepiece in which the display mechanism 2 is integrated. This causes the control pusher 208 to translate towards the axis of rotation A3.
  • the head of the control pusher 208 comes into contact with the pin 2161 of the odds lever 2011. It continues on its way and begins to push the 2011 rocker of the odd which causes its pivoting (the number 1 is no longer aligned in front of the indication "DIM", it leaves the window 207) as well as the pivoting of the rocker 2012 which is also driven by the spring 209, as illustrated in figure 5c .
  • the head of the control pusher 208 then also comes into abutment against the pin 2162 of the rocker 2012 of the peers, as illustrated in the figure 5d .
  • the display mechanism 2 then goes through a state illustrated in the figure 5e then arrives at an extreme position illustrated in the figure 5f .
  • this extreme position when the relative position of the disc of the days 2053 relative to the window 207 allows it, an indication of the graduation 2063 corresponding to the day of the week, here “DIM” (Sunday), is entirely readable through the window 207.
  • DIM the graduation 2063 corresponding to the day of the week
  • the control button 208 By pushing the control button 208, the user has thus changed the disc, the information of which can be read through the window 207. Note that this extreme position is defined to prevent the pusher from causing the discs to rotate relative to the flip-flops.
  • the display mechanism 2 is typically designed so that, when the user releases the control button 208, the latter returns to its initial position, for example under the effect of a return spring (not illustrated).
  • the control pusher 208 then exerts no more force on the pins 2161, 2162 and the rockers 2011, 2012 resume their angular position of rest under the effect of the restoring force of the spring 209 which connects them.
  • the protrusions 2151, 2152 therefore again come into abutment against one another.
  • the wheels of the odd 2011 and peer 2012 resumes the positions they would have occupied if the control button 208 had not been activated.
  • the connecting pinion 213 has continued to follow the movements imposed by the train finishing, it therefore transmits these movements to the scales 2011, 2012 thanks to the spiral spring 214 to reposition them correctly when the control button 208 is released.
  • the date display of the display mechanism 2 described operates in a trailing manner but it could also operate instantaneously. This could for example be obtained with a mechanism close to the dragging mechanism described above but in which said driving wheel would make a U-turn every 24 hours, instantaneously.
  • this driving wheel could for example be connected by a gear to a wheel instantaneously taking a step every 24 hours under the effect of a finger carried by a rocker carrying a feeler, said feeler being held in abutment against a spiral and falling brutally every 24 hours.
  • control button 208 could easily be replaced by any other suitable control means.
  • a mechanism comprising only these elements is also a preferred embodiment of the invention in which the change of the disc whose indications are visible through the window is done spontaneously, independently voluntary action by a user.
  • the first 2011 and second 2012 scales could be permanently rotated with one another. They could be replaced by a single rigid rocker with two arms, without protrusions 2151, 2152 or spring 209.
  • the spiral spring 214 of the drive mechanism could also be eliminated.
  • a display mechanism 3 comprises a plate 300, a drive pinion 303 comprising twenty teeth pivoted on this plate and a support 301 on which are pivoted a date display disc 3051 secured to a date ring 3021 comprising three hundred and ten teeth, a day display disc 3052 secured to a day ring 3022 comprising one hundred and forty teeth, a date driving mobile 3041 and a mobile training days 3042.
  • the display mechanism 3 also includes a correction wheel 308 and a control means.
  • Such a display mechanism 3 is typically integrated into a watch movement, for example of a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the date disc 3051 is typically an annular disc. It includes a graduation 3061 comprising thirty-one indications corresponding to the dates of the months ranging from 1 to 31, these indications being uniformly distributed over a circumference of its upper surface and intended to be read through a window 307 whose position is fixed relative to the plate 300.
  • the window 307 is typically produced in a dial positioned above the display discs 3051, 3052. In the figures 6 and 8a to 10 , the dial is not shown but the position of the window 307 is materialized.
  • the day disc 3052 is typically an annular disc. It comprises a graduation 3062 comprising fourteen indications corresponding to two series of the seven days of the week, these indications being uniformly distributed over a circumference of its upper surface and intended to be read through the window 307.
  • the date discs 3051 and days 3052 are concentric.
  • the day disc has a diameter smaller than the diameter of the date disc and is arranged inside the latter.
  • the day and date discs are therefore in the same plane, typically parallel to the stage 300.
  • the display mechanism 3 makes it possible, at the command of a user, to manually change the disc 3051, 3052, the information of which can be read through the window 307.
  • the support 301 and the driving mobiles 3041, 3042, the discs d display 3051, 3052 and the toothed rings 3021, 3022 which it carries are intended to pivot around an axis of rotation A7, coincident with the axis of rotation of the drive pinion 303, between two extreme positions, changing thus the indication readable through the window 307. In this way, it can alternately show the day or the date.
  • actuation means (not shown) which controls an actuation mechanism which includes the display mechanism 3.
  • This actuation mechanism comprises an actuation lever 309, first 310 and second 312 movable and a jumper 311, pivoted in the frame 300.
  • the first mobile 310 comprises a star of seven teeth 310a and an actuating wheel with seventy teeth 310b coaxial and integral in rotation with one another. It is positioned by the jumper 311, the spout of which is held in abutment against the teeth of the star 310a by a spring (also not shown).
  • the second mobile 312 comprises for its part a pinion with twenty teeth 312a coaxial with axis A10 and integral in rotation with a circular board 312b carrying an eccentric stud 312c.
  • the actuation of the actuation means causes the pivoting of the rocker 309 counterclockwise.
  • the torque exerted by the lever 309 on the star 310a causes the jumper 311 to be raised, which lets a tooth of the star 310a pass and then reposition it.
  • the actuation of the actuation means causes the pivoting of one step of the star 310a and ten steps of the actuation wheel 310b clockwise.
  • the actuating wheel 310b meshing with the pinion 312a of the second mobile 312, this causes the second mobile 312 and its stud 312c to rotate half a turn around the axis A10.
  • the support 301 comprises an oblong slot 301a in which slides the stud 312c of the second mobile 312. This support 301 is also guided in rotation around the axis A7. It is typically able to pivot around the axis A7 when the pin 312c moves in the oblong slot 301a, so that it only pivots when the second mobile 312 rotates, that is to say when the actuating means is actuated.
  • the support 301 as well as the driving mobiles 3041, 3042, display discs 3051, 3052 and toothed rings 3021, 3022 which it door pivot around the A7 axis in one direction then in the other between two extreme positions.
  • the first of these extreme positions corresponds to the position illustrated in particular in the figure 8a .
  • part of the date disc 3051 is located opposite the window 307 so that one of the indications of the graduation 3061 corresponding to a date number, typically the indication "1", can be fully readable through this window 307.
  • This first extreme position of the support 301 corresponds to a “reading position of the date disc”.
  • the second of these extreme positions corresponds to the position illustrated in particular in the figure 8c .
  • part of the disc of days 3052 is located opposite the window 307 so that one of the indications of the graduation 3062 corresponding to a day of the week can be fully readable through this window 307, typically the 'LUN indication.
  • This second extreme position of the support 301 corresponds to a "reading position of the days disc”.
  • the figure 8b illustrates one of the configurations in which the display mechanism 3 is found when the support 301 switches between its two reading positions.
  • the axes of rotation of the various members of the actuation mechanism are fixed with respect to the plate 300 when passing from one reading position to another.
  • the assembly comprising the actuation mechanism and the actuation means constitutes a "control means" of the mechanism 3.
  • the display mechanism 3 is designed so that, regardless of the reading position in which it is located, each day, typically instantaneously at midnight, the date disc 3051 performs a thirty-first revolution in the clockwise and the day display disc 3052 performs a fourteenth of a turn counterclockwise around a common axis of rotation A6 fixed relative to the support 301 and corresponding to the common center of the date discs 3051 and of the days 3052 considered in top view.
  • This axis A6 being fixed relative to the support 301 it is obviously movable relative to the plate 300 when the user acts on the actuating means to change the reading position.
  • the drive pinion 303 is kinematically connected to the finishing train (not shown) of the watch movement in which the display mechanism 3 is integrated so as to instantaneously make a half-turn counterclockwise (seen from above) ) every day at midnight, as illustrated in Figures 9a to 9c .
  • the rest of the time, the pinion 303 is stationary relative to the plate 300.
  • the drive pinion 303 When it rotates, the drive pinion 303 simultaneously drives the date drive mobiles 3041 and days 3042 which in turn drive the date display discs 3051 and days 3052 via their toothed rings 3021, 3022.
  • the date training mobile 3041 includes a lower date wheel 3041a, an upper date wheel 3041b and a coaxial star 3041c with axis A8 as well as a jumper 3041d (embedded) fixed to the upper date wheel. 3041b and positioning the latter relative to the star 3041c.
  • the star 3041c of this mobile 3041 comprises eight teeth and is integral with the lower date wheel 3041a which comprises eighty teeth.
  • the upper wheel 3041b is identical to the lower wheel 3041a and therefore also includes eighty teeth. It is free to rotate relative to the lower wheel 3041a and typically meshes with the teeth of the date ring 3021.
  • the day training mobile 3042 is identical to the date training mobile 3041, it includes a lower date wheel 3042a, an upper date wheel 3042b and a coaxial star 3042c of axis A9 as well as '' a jumper 3042d (on-board) fixed to the upper date wheel 3042b and positioning the latter relative to the star 3042c.
  • the star 3042c of this mobile 3042 comprises eight teeth and is integral with the lower date wheel 3042b which comprises eighty teeth.
  • the upper wheel 3042b is identical to the lower wheel 3042a and therefore also includes eighty teeth. It is free to rotate relative to the lower wheel 3042a and meshes with the teeth of the day ring 3022.
  • the drive pinion 303 meshes simultaneously with the lower wheels 3041a, 3042a of the display mobiles 3041, 3042, respectively.
  • the drive pinion 303 Insofar as the drive pinion 303 is stationary during this pivoting, it causes a slight rotation of each of the display disks 3051, 3052 relative to the support 301 about the axis A6. This slight rotation is of course taken into account in the arrangement of the display disks 3051, 3052 relative to the window 307 so that, whatever the reading position of the display mechanism 3, a date indication 3061 or an indication of the days 3062 is fully legible through the window 307.
  • the display mechanism 3 allows the correction of the date of the month and the day of the week independently, that is to say that it allows to correct the date without impacting the day of the week and vice versa.
  • the star 3041c is integral with the lower date wheel 3041a which meshes with the drive pinion 303 which is then stationary, the rotation of the upper date wheel 3041b does not cause the rotation of the star 3041c nor of the wheel 3041a to which it is integral.
  • the display mechanism 3 makes it possible to correct the date without correcting the day.
  • the correction wheel 308 meshes with the day ring 3022 and makes it possible, in the same way, to correct the day without correcting the date.
  • the correction wheel 308 can typically be actuated from outside the timepiece in which the mechanism 3 is integrated, for example using a rod, one end of which is accessible from the outside of said timepiece. timepieces and the other end of which carries a gear wheel meshing when the user wishes, for example in a pulled position, with the correction wheel 308.
  • the assembly comprising the star of eight 3041c and the jumper 3041d of the date driving mobile 3041 ensures the positioning of the upper wheel 3041b of this mobile and of the date disc 3051 to which it is connected by gear with the toothed ring 3021 in an angular position in which a date indication can be fully visible through the window 307.
  • a shock of low intensity that is to say a shock generating a torque generating a low rotation of the date disc 3051, typically a rotation of an angle corresponding to less than five teeth of the ring 2021 associated with the date disc , would ultimately have no impact. Indeed, such a low rotation of the date disc 3051 would generate a rotation of the upper date wheel 3041b which would be insufficient for the jumper 3041d that it carries to jump a tooth of the date star 3041c. Under the effect of the return force of the jumper spring 3041d, the upper date wheel 3041b and the date disc 3051 would resume the place they occupied before the impact.
  • the assembly comprising the eight star 3041c and the jumper 3041d of the mobile 3041 make it possible to ensure displacements of the date disc multiple by an angle of thirty-one first of a turn, so that an indication of the date graduation 3061 is fully readable through the window 307.
  • a violent shock that is to say a shock generating a torque generating a strong rotation of the upper date wheel 3041b, typically a rotation of an angle corresponding to more than five teeth of the ring 2021 associated with the date disc , could impact the display.
  • a strong rotation of the date disc 3051 could generate a rotation of the upper date wheel 3041b sufficient for the jumper 3041d that it carries to jump a tooth of the date star 3041c, in which case a change in the date display would occur similarly to what happens during a voluntary date correction.
  • the indication to be displayed remains centered in the window (no de-indexing).
  • the date training mobiles 3041 and days 3042 being identical, the assembly comprising the eight star 3042c and the jumper 3042d of the days training mobile 3042 ensures the positioning of the upper wheel 3042b of this mobile and of the day disc 3052 to which it is connected via the day ring 3022 in an angular position in which an indication of the graduation of days 3062 can be fully visible through the window 307.
  • the display mechanism 3 according to the third embodiment of the invention has the advantage of not requiring the superposition of the discs. This allows them to be positioned as close as possible under the dial for a better aesthetic appearance.
  • Such a display mechanism 3 could typically be used for the production of a large date display with spontaneous change of the reading disc every day, for example alternately after twelve days and then after nineteen days, in the case of an inner disc carrying twelve graduations and an outer disc carrying nineteen graduations.
  • the date drive mobile 3041 of the display mechanism 3 according to the third embodiment of the invention could be different from that presented with reference to figures 6 to 10 .
  • the star 3041c could be secured to the upper date wheel 3041b instead of being secured to the lower date wheel 3041a.
  • the jumper 3041d, engaged in the toothing of the star 3041c would be fixed on the lower date wheel 3041a and not on the upper date wheel 3041b.
  • the training mobile for days 3042 could be modified in the same way.
  • this mechanism can be used as a drive mechanism for two discs simultaneously, independently of its ability to allow the disc to be changed, the information of which can be read through the window, that is to say typically without the need for support.
  • mobile such as support 301 or control means for moving such support.
  • the toothed wheels of the driving mobiles which mesh respectively with the rings with internal or external teeth are coplanar.
  • they are located in the same plane as these rings, and in a space situated between these rings 3021, 3022.
  • a display mechanism 4 according to a fourth embodiment of the invention comprises a plate 400, a disc 4051 and a 4052 days disc, coaxial with axis A11 fixed with respect to stage 400.
  • Such a mechanism 4 is typically integrated into a watch movement, for example in a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the date disc 4051 is typically an annular disc. It includes a graduation 4061 comprising thirty-one indications corresponding to the dates of the months ranging from 1 to 31, these indications being uniformly distributed over a circumference of its upper surface and intended to be read through a main window 407, the position is fixed relative to plate 400. Its upper surface is therefore divided into thirty-one identical angular sectors typically of around 11.60 °, each comprising an indication of the date graduation 4061.
  • the main window 407 is typically produced in a dial positioned over the discs 4051, 4052. In the Figures 11a and 11b , the dial is not shown but the position of the window 407 is materialized.
  • the day disc 4052 covers the date disc 4051. It is typically an annular disc. Its upper surface is divided into twenty-eight identical angular sectors 4022, typically around 12.85 ° each. Every second angular sector 4022 includes an indication corresponding to a day of the week and each of the angular sectors 4022 which does not include any indication includes a secondary window 4011. The indications carried by the day disc form the graduation 4062 of the day disc 4052 and are partly visible through said secondary counters 4011.
  • the day display disc 4052 therefore comprises a total of fourteen indications forming the scale 4062, said indications being uniformly distributed over its upper surface and forming, in chronological order of the days and counterclockwise, two sets of indications of the seven days of the week, two consecutive indications of the days being separated by one of said secondary counters 4011.
  • the main window 407 reveals a date indication or an indication of the day of the week.
  • the display mechanism 4 comprises two types of reading positions: a first grouping together the reading positions of the date disc 4051 in which a secondary window 4011 of the days disc 4051 is aligned under the main window 407 so that an indication of the graduation 4061 of the date disc 4051 is fully legible through the window 407, as in the example illustrated in the figure 11a and a second grouping together the reading positions of the day disc 4052 in which an indication of the graduation 4062 of the day disc 4052 is entirely readable through the window 407, as in the example illustrated in the figure 11b .
  • the display mechanism 4 allows, on command of a user, to manually change the disc 4051, 4052, the information of which can be read through the window 407 by rotating the day disc 4052 to change from one type of position of reading to another.
  • the display mechanism 4 comprises a control means (not shown), typically accessible from outside the timepiece in which it is integrated, and allowing, when actuated, to rotate twenty-eighth of a turn the day display disc 4052 alternately in one direction then in the other.
  • Such a control means allows for example during a first actuation the passage of the display mechanism 4 from the position illustrated in the figure 11a at the position illustrated in figure 11b by rotating the day display disc by a twenty-eighth of a turn clockwise, then during a second actuation, the return of mechanism 4 from the position illustrated at the figure 11b to that illustrated in figure 11a by rotating the day display disc twenty-eighth of a turn counterclockwise.
  • the mechanism 4 is designed so that, whatever the type of reading position in which it is located, each day, typically instantaneously at midnight, the date display disc 4051 performs a thirty-first turn clockwise and the 4052 day display disc performs a fourteenth of a turn clockwise.
  • a display mechanism 5 comprises a plate 500, a date disc 5051 and a concentric day disc 5052 with center A12 bearing indications forming respectively a date graduation 5061 and a graduation of the days 5062, said graduations 5061, 5062 being intended to be read through a window 507 fixed relative to the plate 500.
  • This window 507 is typically produced in a dial positioned above the display disks 5051, 5052. In the Figures 12a to 12b , this dial is not shown but the position of the window 507 is materialized.
  • the date disks 5051 and days 5052 lie in the same plane parallel to the plate 500. They are two annular disks.
  • the day disc 5052 has a diameter smaller than the diameter of the date disc 5051 and is arranged inside the latter. The day and date discs are therefore in the same plane, typically parallel to the stage 500.
  • Such a mechanism 5 is typically integrated into a watch movement, for example in a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the display mechanism 5 allows, on command of a user, via a control means, to manually change the disc display 5051, 5052, the information of which can be read through the window 507 by driving in translation the assembly comprising the date disks 5051 and days 5052 as well as their axis A12 parallel to the plate 500, between two extreme positions.
  • the day disc 5052 is positioned outside the field visible through the window 507. It is typically intended to be almost completely or even completely under the dial.
  • the date disc 5051 is in turn positioned with a part opposite the window 507 so that, when the relative position of the date disc 5051 relative to the window 507 allows it, an indication of the graduation 5061 corresponding to the date of the month is fully legible through this window 507.
  • This first extreme position corresponds to that illustrated in the figure 12a and will be called “reading position of the date disc” in the following description of this embodiment.
  • the date disc 5051 is positioned outside the field visible through the window 507. It is typically intended to be almost completely or completely under the dial.
  • the day disc 5052 is in turn positioned partly opposite the window 507 so that, when the relative position of the day disc 5052 relative to the window 507 allows it, an indication of the graduation 5062 corresponding to the day of the week is fully readable through this window 507.
  • This second extreme position corresponds to that of the figure 12b and will be called "reading position of the day disc" in the following description of this embodiment.
  • the control means (not shown) of the mechanism 5 is typically accessible from the outside of the timepiece in which it is integrated. It allows for example during a first actuation the translational drive of the assembly comprising the date disks 5051 and days 5052 as well that their axis A12 from the position illustrated in figure 12a at the position illustrated in figure 12b , then during a second actuation, the return of the mechanism 5 from the position illustrated in the figure 12b to that illustrated in figure 12a by reverse translation.
  • the display mechanism 5 is designed so that, regardless of the reading position in which it is located (reading position of the date disc or reading position of the day disc), each day, typically instantaneously at midnight , the date display disc 5051 performs a thirty-first turn clockwise and the day display disc 5052 performs a fourteenth turn counterclockwise around the axis A12.
  • the display mechanism 5 is also designed so that the relative position of the set of discs 5051, 5052 relative to the plate 500 does not affect either the daily rotation of the day disc 5052 or that of the date disc 5051.
  • the date display discs 5051 and day 5052 could typically be rotated by a mechanism similar to that according to the third embodiment of the invention.
  • such a display mechanism 5 could typically be used for the production of a display with a large date, with the reading disc being changed spontaneously every day, for example. example alternately after 12 days and then after 19 days, in the case of an inner disc carrying 12 graduations and outer disc carrying 19 graduations.
  • Still other display mechanisms for a timepiece comprising several disks bearing indications intended to be read through a fixed window and allowing a user to manually change the disk whose information can be read through said window are possible. Examples of such mechanisms will be described below with reference to figures 13a to 14b .
  • the figures 13a to 13b and 14a to 14b respectively illustrate display mechanisms 6, 7 according to a sixth and a seventh embodiment of the invention.
  • Each of the mechanisms 6, 7 according to the sixth and seventh embodiments comprises a plate 600, 700, a date disc 6051, 7051 comprising thirty-one indications corresponding to the number of dates and forming a graduation 6061, 7061, and a day disc 6052, 7052 comprising seven indications corresponding to the days of the week and forming a graduation 6062, 7062, said graduations 6061, 7061 being intended to be read through a window 607, 707 fixed relative to the stage 600, 700.
  • Each of the windows 607, 707 is typically produced in a dial positioned above the display disks of the mechanism 6, 7 concerned. In the figures 13a to 14b , the dials are not shown but the position of the windows 607, 707 is materialized.
  • the date disc 6051, 7051 and the day disc 6052, 7052 lie in the same plane, parallel to the plate 600, 700.
  • the day disc 6052, 7052 and the date disc 6051, 7051 are able to move, at the command of a user, together in translation in the case of mechanism 6 or separately in rotation around separate centers of rotation in the case of mechanism 7, so as to make apparent through said window 607, 707, as desired, an indication of a graduation 6061, 7061 corresponding to the calendar of the current month or an indication of a graduation 6062, 7062 corresponding to the current day of the week.
  • the Figures 13a and 13b illustrate the two extreme positions that the day disc 6052 and the date disc 6051 can take respectively when they move in translation, the figure 13a showing the reading position of the date disc 6051 and the figure 13b the disc playback position of days 6052.
  • FIGs 14a and 14b illustrate respectively the two extreme positions which the date disc 7051 and the day disc 7052 can take when they move in rotation respectively around axes A15 and A16, the figure 14a showing the reading position of the date disc 7051 and the figure 14b the disc reading position of days 7052.
  • Each of the display mechanisms 6, 7 is typically integrated in a watch movement, for example in a timepiece such as a pocket watch, a wrist watch, a pendulum or a pendulum.
  • the display mechanism 6 is designed so that, regardless of the reading position in which it is located, each day, typically instantaneously at midnight, the date display disc 6051 performs a thirty-first of clockwise around its axis of rotation A13 and the day display disc 6052 makes a seventh of a turn counterclockwise around its axis of rotation A14.
  • the display mechanism 7 is designed so that, whatever the reading position in which it is located, each day, typically instantaneously at midnight, the date display disc 7051 performs thirty-one -th of a turn clockwise around its axis of rotation A17 and the day display disc 7052 performs one-seventh of a turn counterclockwise around its axis of rotation A18.
  • the display disks of the display mechanism according to the invention can allow the display of information different from the date or the day of the week. For example, the names of the day of the month and the current month, the day of the week and the number of the week, the day of the month and the moon age, the day of the month and the information that one is in the morning or in the afternoon (AM / PM), the day of the week and a second time zone, the day of the month and the indication whether the year is a leap year or not, or any indication and its translation into another language.
  • more than two different pieces of information could be displayed alternately in the same window, for example by superimposing discs whose center of rotation is mobile such as the day disc 1052 described in the first embodiment of the invention or by superimposing several systems with two rockers and two discs such as that described in the second embodiment of the invention, the one which is furthest from the counter having no need to be able to tilt.
  • Another possibility for displaying more than two different pieces of information in the same window could consist in adding a display disc in the mechanism according to the third embodiment of the invention.
  • the display mechanism according to the invention allows the display of at least two different pieces of information alternately in the same window, the user being able, by manually actuating a means of order, to change the information readable through the window, at least punctually. This allows, while offering the user the opportunity to learn about different information, not to overload the dial with multiple windows.
  • the plate can be replaced by another frame, fixed or mobile, for example a bridge.

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EP18196793.6A 2018-09-26 2018-09-26 Anzeigemechanismus mit einer fensteranzeige Active EP3629102B1 (de)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP18196793.6A EP3629102B1 (de) 2018-09-26 2018-09-26 Anzeigemechanismus mit einer fensteranzeige
US17/279,992 US20210397132A1 (en) 2018-09-26 2019-09-26 Display mechanism with a single aperture
CN201980063729.4A CN112805634B (zh) 2018-09-26 2019-09-26 单孔径显示机构
EP23207985.5A EP4293431A3 (de) 2018-09-26 2019-09-26 Anzeigemechanismus mit einem einzigen schalter
EP19784144.8A EP3857313B1 (de) 2018-09-26 2019-09-26 Anzeigemechanismus mit einem einzigen fensterchen
JP2021516767A JP2022502640A (ja) 2018-09-26 2019-09-26 単一のアパーチャを有する表示機構
PCT/IB2019/058176 WO2020065574A2 (fr) 2018-09-26 2019-09-26 Mécanisme d'affichage à guichet unique

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EP3629102B1 EP3629102B1 (de) 2022-12-14

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EP23207985.5A Pending EP4293431A3 (de) 2018-09-26 2019-09-26 Anzeigemechanismus mit einem einzigen schalter
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WO2020065574A3 (fr) 2020-07-02
WO2020065574A2 (fr) 2020-04-02
EP4293431A2 (de) 2023-12-20
EP3629102B1 (de) 2022-12-14
CN112805634A (zh) 2021-05-14
US20210397132A1 (en) 2021-12-23
EP3857313B1 (de) 2024-02-07
EP4293431A3 (de) 2024-02-28
JP2022502640A (ja) 2022-01-11
CN112805634B (zh) 2023-06-27
EP3857313A2 (de) 2021-08-04

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