EP3629101A1 - Uhranzeigemechanismus - Google Patents

Uhranzeigemechanismus Download PDF

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Publication number
EP3629101A1
EP3629101A1 EP18196792.8A EP18196792A EP3629101A1 EP 3629101 A1 EP3629101 A1 EP 3629101A1 EP 18196792 A EP18196792 A EP 18196792A EP 3629101 A1 EP3629101 A1 EP 3629101A1
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EP
European Patent Office
Prior art keywords
rocker
rotation
display
relative
stops
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
EP18196792.8A
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English (en)
French (fr)
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EP3629101B1 (de
Inventor
James Hide
Nicolas Dehon
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
Application filed by Patek Philippe SA Geneve filed Critical Patek Philippe SA Geneve
Priority to EP18196792.8A priority Critical patent/EP3629101B1/de
Publication of EP3629101A1 publication Critical patent/EP3629101A1/de
Application granted granted Critical
Publication of EP3629101B1 publication Critical patent/EP3629101B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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 clock display mechanism, typically for date display.
  • a date display is constituted by a disc carried by a date star, this disc carrying a graduation comprising thirty-one indications uniformly distributed over a circumference and moving opposite a window made in the dial.
  • Similar mechanisms are also known in which the disc and date star assembly is replaced by an annular disc with internal toothing bearing directly the date indications.
  • the disc In order to be able to carry out indications of relatively large size, the disc is generally made as large as possible and bears its indications on the largest possible circumference, which leaves little freedom as to the position of the window which must be positioned so offset around the edge of the dial.
  • the date disc or star is typically driven by a pinion or by a finger and possibly positioned by a jumper depending on whether it is a dragging mechanism, semi-instantaneous or instantaneous.
  • date display mechanisms have been developed to allow display close to the center of the dial while retaining indications of relatively large size.
  • Such a mechanism includes many cogs and is relatively complex to implement.
  • the date displayed through the window is on two different discs which is not very aesthetic.
  • An object of the present invention is to provide a display mechanism, typically for a date display, simple to produce and allowing a display of relatively large size while offering great freedom as to the position of the window on the dial, allowing for example its positioning towards the center of the dial.
  • the invention provides a clockwork display mechanism comprising a frame, a rocker, at least one toothed wheel carried by said rocker and movable in rotation relative to the latter, the or each of said toothed wheels carrying a disc.
  • display comprising indications intended to be read through a window whose position is fixed relative to the frame, and stops also fixed relative to the frame, said rocker being intended to perform reciprocating rotational movements between two predetermined positions around an axis of rotation fixed relative to the frame, the whole being arranged so that, between two consecutive changes of the direction of rotation of the rocker, the or each of the toothed wheels which it carries is driven in rotation by a predetermined angle relative to the rocker under the effect of the cooperation of at least one of its teeth with at least one of said stops, this or these rotations making it possible to p positioning the or each of the display discs relative to the scale so that an indication of or one of the discs is fully readable through the window when the scale is in at least one of said predetermined positions.
  • the rotation of the or each of the gear wheels of the mechanism according to the invention by a predetermined angle relative to the rocker corresponds to a rotation about an axis of rotation, movable relative to the frame and fixed relative to the rocker, this axis corresponding to the center of the toothed wheel considered in top view. It is therefore an axis distinct from the axis of rotation of the scale.
  • each of the teeth of a given toothed wheel comprises a first flank extending substantially radially with respect to the center of this wheel and a second flank forming an acute angle with the first flank.
  • said first flank constitutes a front flank of the tooth and said second flank constitutes a rear flank of the tooth.
  • front flank and rear flank are given relative to the direction of rotation of the wheel considered in normal operation, the front flank being that exposed first during the rotation of the wheel in normal operation.
  • display disc means a display means including both a complete display disc and an annular display disc.
  • the disc in question is of course not necessarily circular.
  • a clockwork display mechanism 1 comprises a frame 100 such as a plate or a bridge, a rocker 101, a toothed wheel 102 carried by said rocker 101 and mounted frictionally on this last, a display disk 105, a first 103a and a second 103b upper stops and a first 104a and a second 104b lower stops fixed relative to the frame 100.
  • the toothed wheel 102 of the mechanism 1 is frictionally mounted on the rocker 101 so as to be able to pivot relative to the latter about an axis of rotation (virtual) A3, movable relative to the frame 100 and fixed relative to the rocker 101, when subjected to sufficient torque.
  • This axis A3 corresponds to the center of the toothed wheel 102 considered from above. It is therefore an axis distinct from the axis of rotation A1 of the rocker 101.
  • the display disc 105 is carried by the toothed wheel 102. It is typically made integral in rotation with the latter, for example by gluing, chasing, brazing or screwing or by any other suitable assembly technique, so that the movements of rotation of the toothed wheel 102 are transmitted to the display disc 105.
  • the display disc 105 comprises a graduation 106 comprising indications corresponding to the dates of the month distributed over two concentric rings of the disc 105, these being intended to be read through a window 107 whose position is fixed relative to the frame 100.
  • the window 107 is typically produced in a dial positioned over the display disc 105. In the figures, although such a dial is not shown for reasons of readability, the position of the window 107 is materialized.
  • the rocker 101 is driven in alternating rotational movements around an axis of rotation A1 (virtual), fixed relative to the frame 100, by means of a drive mechanism 109 kinematically connected to the gear train of a movement. watchmaker (not shown).
  • the reading is done on the outer ring of the display disc 105 and in the second of said reading positions, the reading is done on the inner ring.
  • the rotation of the display disc 105 relative to the rocker 101 occurs under the effect of the cooperation of some of the stops with the teeth of the toothed wheel 102 during the rotational movements of the rocker 101.
  • thirty-one of these divisions include an indication of the graduation 106 of the date corresponding to a distinct whole number, these numbers ranging from 1 to 31, and one of these divisions comprises an indication “set "
  • the indications of the numbers on the display disc 105 are arranged in ascending order in the opposite direction to the direction of rotation of the toothed wheel 102, that is to say in the counterclockwise direction on the display disc 105, alternating between the divisions of the inner ring and those of the outer ring.
  • the digit "1" is located on a division of the inner ring and the digit "2" is located on the division of the outer ring comprising an angular sector in common with the division bearing the digit "1" and offset relative to it by an angle ⁇ counterclockwise.
  • the rocker 101 is driven in alternating rotational movements around an axis of rotation A1 fixed relative to the frame 100 by means of a drive mechanism 109 kinematically connected to a gear train for finishing a movement.
  • watchmaker (not shown).
  • the drive mechanism 109 shown in the figure 3 typically comprises a drive wheel 109a kinematically connected to the gear train for finishing a watch movement, said drive wheel 109a carrying an eccentric pin 109b.
  • the stud 109b passes through an oblong opening 101a which comprises the rocker 101, said opening 101a being arranged so that, during the rotation of the drive wheel 109a, the stud 109b drives the rocker 101 alternately upwards then downwards .
  • the above-mentioned reciprocating movements cause alternating rotational movements of the rocker 101 around of the axis of rotation A1.
  • the amplitude of the alternating rotational movements is constant and identical in the direction clockwise and counterclockwise. It depends in particular on the radius separating the eccentric pin 109b from the center of rotation of the drive wheel 109a as well as on the position of the oblong opening 101a in the rocker 101.
  • tooth n ° X the tooth of toothed wheel 102 pointing in the direction of the indication bearing n ° X in each of the configurations illustrated.
  • the horizontal line "X" appearing in the central opening of the display disc 105 aux Figures 4a to 4h is a purely illustrative reference, fixed relative to the frame 100, making it possible to highlight the relative movements of the rocker 101 relative to the frame 100 during the operation of the display mechanism 1.
  • the display mechanism 1 displays, through the window 107, the calendar of the month "24" located on the outer ring of the display disc 105, the indication "24" is fully legible through the window 107.
  • the flip-flop 101 is in a first of the two reading positions. It has just completed its clockwise rotation and is about to begin its counterclockwise rotation.
  • the tooth n ° 4 of the wheel 102 has its rear flank in contact with a first 104a of the lower stops of the mechanism and the tooth n ° 10 has its front flank in abutment against the second 104b of the lower stops of the mechanism 1.
  • the flip-flop 101 begins to rotate counterclockwise around the axis A1.
  • the position of the second 104b of the lower stops as well as the shape of the teeth of the toothed wheel 102 and in particular the shape of their front flank, are such that the rotation of the rocker 101 counterclockwise, from this position, can be done with very little or even without rotation of the toothed wheel 102 with respect to the lever 101.
  • the toothed wheel 102 is substantially stationary with respect to the lever 101 during its entire rotation between the state shown in the figure 4a and the state shown in the figure 4b .
  • the toothed wheel 102 is asymmetrical, it comprises sixteen identical teeth.
  • Each of the teeth of the toothed wheel 102 comprises a front side extending radially with respect to the center of the wheel 102 and a rear side forming an acute angle with the front side.
  • Such a shape for the front flank can cause a slight rotation of the toothed wheel relative to the rocker during its rotation.
  • the rocker starts its rotation clockwise.
  • the initiation of the rotation of the rocker 101 in the clockwise direction can be done, from this position, with very little or even without rotation of the gear wheel 102 relative to lever 101, the front flank of tooth no. 26 moving along the upper locking stop 103b, as illustrated in FIG. figure 4e .
  • the shape of the front flanks of the toothed wheel 102 for example by making them in an arcuate shape, it is possible to limit or even completely cancel the rotational movements of the toothed wheel 102 relative to the flip-flop 101, when the latter begins its rotation.
  • the toothed wheel 102 is substantially stationary relative to the lever 101 during its entire rotation between the state shown in the figure 4d and the state shown in the figure 4f . To the figure 4e , it can be seen that, due to the rotation of the rocker 101, the indication “25” is no longer entirely readable through the window 107.
  • the figure 4f illustrates the moment when the rear flank of tooth n ° 6 of the toothed wheel 102 comes into contact with the first 104a of the lower stops.
  • this first lower stop 104a is called lower drive stop.
  • the figure 4g corresponds to a freeze frame during this rotation.
  • this second lower stop 104b is called lower locking stop.
  • the display mechanism 1 displays the calendar of the month "26" located on the outer indication ring of the display disc 105, the indication "26" is fully legible through the window 107.
  • the rocker 101 has just completed its clockwise rotation and is about to start counterclockwise rotation again.
  • This configuration, illustrated in figure 4h is almost identical to that illustrated in the figure 4a and corresponds to the same reading position of the flip-flop 101 which has been defined as the first reading position.
  • the steps described above are then repeated to switch from the display of the date 26 to the date "27” then to the date "28” and so on by shifting the numbers of the teeth by two units at each round trip of the scale 101.
  • the display mechanism 1 is arranged to indicate "set” in the window 107. 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 display disc 105 by means of an actuating rod driving the rocker 101 in movement until the indication bearing the number "31" is fully legible through the window. If the month is a month of thirty days, the user can manually rotate the display disc 105 more so that the indication "1" is fully readable through the window 107.
  • the arrangement of the display mechanism 1 according to the invention is such that each time the rocker 101 changes from one reading position to the other, the toothed wheel 102 moves at an angle ⁇ , corresponding to an angular sector 110 of the display disc 105, relative to the rocker 101. It therefore performs at each round trip a displacement of an angle equal to 2 ⁇ corresponding to two angular sectors 110 of the display disc 105.
  • the toothed wheel 102 is designed so that the angle ⁇ defined by an angular sector 110 corresponds to a half-step of the toothed wheel.
  • the toothed wheel 102 of the mechanism 1 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 toothed wheel 102 corresponds to a wheel with thirty-two identical teeth in the shape of a sawtooth from which one tooth in two has been removed.
  • the display mechanism 1 according to the first embodiment of the invention has the advantage of allowing a display of relatively large size by reducing the space used to achieve it compared to a mechanism according to the prior art. Because of this smaller footprint, such a mechanism makes it possible to have a display of size equivalent to that which can be obtained with a display mechanism with an eccentric window of the dial according to the prior art while placing the window at leisure on the dial, for example in the center of the dial. In addition, in each reading position, the date displayed through the window is read on one disc at a time.
  • a clockwork display mechanism 2 comprises a frame 200 such as a plate or a bridge, a lever 201, two toothed wheels 2021, 2022 frictionally mounted on said lever 201 so to be able to pivot relative to the latter when they are subjected to sufficient torques, and two display discs 2051, 2052. It also comprises an upper locking stop 2031b, 2032b and an upper driving stop 2031a, 2032a as well that a lower blocking stop 2041b, 2042b and a lower drive stop 2041a, 2042a for each of said two toothed wheels 2021, 2022, or eight stops, all fixed relative to the frame 200.
  • a first 2021 of the toothed wheels carries a first display disc 2051 which will be called “odd display disc”.
  • This disc 2051 is typically an annular disc. It includes a 2061 graduation with indications corresponding to the odd dates of the month, ranging from 1 to 29 inclusive as well as a "set" indication. These indications are uniformly distributed over a circumference of said display disc 2051 and are intended to be read through a window 207 whose position is fixed relative to the frame 200.
  • the window 207 is typically produced in a dial positioned by- above the display discs 2051, 2052. In the figures, although such a dial is not shown for reasons of readability, the position of the window 207 is itself materialized.
  • a second toothed wheel 2022 carries a second display disc 2052 which will be called “display disc of the peers ”.
  • This disc 2052 is typically an annular disc. It includes a 2062 graduation with 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 display disc 2051, also bear the date "31". These indications 2062 are uniformly distributed over a circumference of said disc 2052 and are intended to be read through the window 207.
  • the toothed wheels 2021, 2022, odd and even, respectively, are identical. They are typically identical to that of the display mechanism 1 according to the first embodiment of the invention.
  • the toothed wheels of the odds 2021 and of the peers 2022 of the mechanism 2 are capable of pivoting with respect to the lever 201 around axes of rotation (virtual) of the odds A4 and of the peers A5 respectively.
  • These axes of the odd numbers A4 and of the pairs A5 are movable relative to the frame 200 and fixed relative to the lever 201, and correspond respectively to the centers of the toothed wheels 2021, 2022 considered in top view. They are distinct from the (virtual) rotation axis A2 of the scale 201.
  • each of the display discs 2051, 2052 is made to rotate with the toothed wheel 2021, 2022 which carries it, for example by gluing, chasing, soldering, screwing or by any other suitable assembly technique, so that the rotational movements of each of the toothed wheels 2021, 2022 are transmitted to the display disc 2051, 2052 which it carries.
  • Each of the toothed wheels 2021, 2022 comprises sixteen identical teeth.
  • Each of the teeth of a given toothed 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.
  • an abutment as an abutment for peers or as an abutment for odd numbers as a function of the gear 2021, 2022 with which it is associated.
  • the scale 201 is here in one piece. Alternatively, it could be a rocker in several parts integral with each other.
  • This lever 201 is driven in alternating rotational movements around an axis of rotation A2 fixed relative to the frame 200 by means of a drive mechanism (not shown) kinematically connected to the gear train of a watch movement (also not shown). It can typically be the same drive mechanism as that (109) used in the first embodiment of the invention.
  • the reading is done on the peer display disc 2052 and in the second of said reading positions, the reading is done on the odd display disc 2051.
  • each of the display discs 2051, 2052 relative to the lever 201 occurs under the effect of the cooperation of the drive stops 2031a, 2041a, 2032a, 2042a with the teeth of the corresponding toothed wheel 2021, 2022 , during the rotational movements of the lever 201.
  • the indications of the odd numbers 2061 on the odd display 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 counterclockwise on the disc display of odd numbers 2051, the indication "set" being inserted between the indications "1" and "29".
  • the lever 201 is driven in alternating rotational movements around the axis of rotation A2 by means of a drive mechanism kinematically connected to the gear train for finishing a watch movement (not shown).
  • the display mechanism 2 operates on the same principle as the display mechanism 1 according to the first embodiment of the invention.
  • the toothed wheels that are the peer wheel 2022 and the odd wheel 2021 cooperate with the drive stops 2032a, 2042a, 2031a, 2041a and blocking 2032b, 2042b, 2031b, 2041b of the even and odd ones during the back and forth movements of the rocker 201.
  • This causes the rotation of said toothed wheels 2021, 2022 as well as discs display 2051, 2052 which they carry, clockwise for the odd wheel 2021 and counterclockwise for the peer wheel 2022.
  • the date is read through the window 207 alternately on the odd disc 2051 and the peer disc 2052.
  • tooth n ° X the tooth of the toothed wheel concerned (odd 2021 or even 2022) pointing towards the indication 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 display disk 2052, the indication "2" is fully readable through the window 207.
  • the rocker 201 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.
  • the lever 201 begins to rotate clockwise around the axis A2.
  • the position of the lower odd blocking stop 2041b thus that 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 the rocker 201 clockwise, from this position, can be done with very little or no rotation of the toothed wheel 2021 carrying the odd disc 2051 relative to the lever 201.
  • the odd toothed wheel 2021 is substantially stationary relative to the lever 201 throughout its rotation between the state shown in the figure 5a and the state shown in the figure 5b .
  • the position of the upper peer blocking 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 the lever 201 clockwise, from the position shown in the figure 5a , can be done with very little or no rotation of the toothed wheel 2022 carrying the disc of the peers 2052 relative to the lever 201.
  • the toothed wheel of the peers 2022 is substantially stationary relative to the lever 201 throughout its rotation between the state represented at the figure 5a and the state shown in the figure 5c .
  • the display mechanism displays the date of the month "3" located on the odd display disc, the indication "3" is fully legible through the window 207.
  • the lever 201 is located in the second of the two reading positions. It has just completed its clockwise rotation and is about to begin its counterclockwise rotation.
  • the lever 201 begins its rotation counterclockwise. As during the initiation of the rotation of the lever 201 clockwise, the initiation of the rotation of the lever 201 counterclockwise can be done, from this position, with very little or no rotation of the wheels odd-numbered teeth 2021 and peers 2022 relative to lever 201, the front flank of each of teeth # 7 and # 28 respectively in contact with the upper odd blocking stop 2031b and the lower peer blocking stop 2042b moving along these stops.
  • the toothed wheel of the peers 2022 is substantially stationary relative to the rocker during the rotation of the rocker 201 between the state shown in the figure 5d and the state shown in the figure 5e .
  • the indication "3" is no longer readable through the window 207.
  • the figure 5e 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 displays the calendar of the month "4" located on the peer display disc 2052, the indication "4" is fully legible through the window 207.
  • the flip-flop 201 is again in the first of the two reading positions. It has just completed its counterclockwise rotation and is about to begin its clockwise rotation.
  • 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 display disks 2051, 2052 by means of an actuating rod causing the rocker 201 to move up to the indication bearing the number "31" is fully legible through the window 207. If the month is a month of thirty days, the user can manually rotate the display disks 2051, 2052 to that the indication bearing the number "1" be fully legible through the window 207.
  • the arrangement of the display mechanism 2 according to the invention is such that each time the rocker 201 changes from one reading position to the other, each of the toothed wheels 2021, 2022 moves at an angle ⁇ / 2, corresponding to a half angular sector 2101, 2102 of angle ⁇ of the display disc 2051, 2052 which it carries, with respect to the lever 201.
  • Each of the toothed 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 toothed wheels 2021, 2022 is designed so that the angle ⁇ defined by an angular sector 2101, 2012 corresponds to a step of the toothed wheel.
  • the toothed 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 toothed wheel 2021 corresponds to a wheel with thirty-two identical teeth in the shape of a sawtooth of which one tooth in two has been removed.
  • the display mechanism 2 according to the second embodiment of the invention has the advantage of allowing a display of relatively large size by reducing the space used to achieve it compared to a mechanism according to the prior art. Because of this smaller footprint, such a mechanism makes it possible to have a display of size equivalent to that which can be obtained with a display mechanism with an eccentric window of the dial according to the prior art while having the window at leisure. on the dial, for example in the center of the dial. In addition, in each reading position, the date displayed through the window is read on one disc at a time.
  • the display mechanism according to the invention has the advantage of limiting the number of gears necessary for the rotation of one or more display discs.
  • the display mechanism according to the invention can operate in a trailing or jumping manner. Preferably, it works by jumps.
  • the rocker of the mechanism remains in a given reading position for a little less than 24 hours, typically for more than 23:59 minutes and the passage from one reading position to another of the rocker takes place in seconds or even in milliseconds , for example in about 30ms.
  • This has the advantage of allowing a fair display of the date for as long as possible and it also limits the risk of the mechanism being adjusted in the event of an impact at a time when the lever is between two reading positions.
  • the rocker has an angular movement of less than 360 °, preferably less than an X value with X between 300 ° and 359 °, preferably X between 240 ° and 300 °, preferably X between 180 ° and 240 °, preferably X between 120 ° and 180 °, preferably X between 60 ° and 120 °, more preferably X between 1 ° and 60 °.
  • the mechanisms in which the rocker has a low angular movement are preferred because they require a smaller surface than those associated with a large angular movement.
  • a small angular movement has the advantage of limiting the duration of the phase during which the rocker is between two reading positions and phase during which there is a risk of adjustment of the mechanism in the event of impact.
  • the sides of the toothed wheel or gears of the display mechanism according to the invention could also have other shapes than those previously described.
  • any shape allowing the blocking of the rotation of the toothed wheel when one of the front flanks is in abutment against the locking stop is possible, and, for the rear flanks, any shape allowing it is possible to drive the toothed wheel in rotation when one of the rear flanks interacts with a drive stop.
  • the display of the mechanism according to the invention may be different from a date display. It can, for example, typically be a display indicating the current month, day and night, hours, minutes or seconds, the signs of the zodiac or any other indication of a calendar of any culture, power reserve, leap years, or any other display.
  • the mechanism for driving the rocker in alternating rotational movements around a fixed axis of rotation may be different from that shown in the figure 1 , any mechanism allowing this function being conceivable.
  • the position of the drive and locking stops may vary. A person skilled in the art will be able to move them while ensuring that they perform their respective functions, namely the rotation of the toothed wheel or wheels carrying the display means and the blocking of the rotation of these same wheels at beyond the angle of rotation necessary for the proper functioning of the mechanism.
  • the user will be able to manually rotate the display disc (s) of the mechanism by means of an actuating rod acting on the movements of the rocker to position the indication desired in the counter.
  • another possibility for adjusting the date would be to provide a mechanism allowing the or each of the display discs to be rotated directly relative to the associated gear. In this case, rather than being glued, chased, soldered or screwed onto the toothed wheel which carries it, the or each of the display discs could be friction mounted on said toothed wheel.
  • the toothed wheel or wheels are on one level and the stops are all on this same level.
  • the gear (s) and the stops with which they are supposed to interact can be distributed over several levels.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromechanical Clocks (AREA)
EP18196792.8A 2018-09-26 2018-09-26 Uhranzeigemechanismus Active EP3629101B1 (de)

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EP18196792.8A EP3629101B1 (de) 2018-09-26 2018-09-26 Uhranzeigemechanismus

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Application Number Priority Date Filing Date Title
EP18196792.8A EP3629101B1 (de) 2018-09-26 2018-09-26 Uhranzeigemechanismus

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EP3629101A1 true EP3629101A1 (de) 2020-04-01
EP3629101B1 EP3629101B1 (de) 2022-04-20

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4730050A1 (de) * 2024-10-15 2026-04-22 Rolex Sa Uhrvorrichtung zur anzeige einer uhrinformation und betriebsverfahren dafür

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WO1992010794A1 (fr) * 1990-12-14 1992-06-25 Montres Rolex S.A. Montre du type montre-bracelet
CH687796B5 (fr) * 1994-05-30 1997-08-31 Vincent Calabrese Mecanisme d'horlogerie pour affichage alternatif des 24 heures.
EP0999482B1 (de) 1998-11-03 2007-11-14 Mct Holding Sa Jährlicher Kalendermechanismus
CH707971A1 (fr) * 2013-04-29 2014-10-31 Télôs Watch SA Pièce d'horlogerie comprenant un dispositif d'affichage de quantième.

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556562B (fr) * 1971-08-20 1974-11-29 Bandi Fred Dispositif d'indication du quantieme et du jour de la semaine pour instrument de mesure du temps.
WO1992010794A1 (fr) * 1990-12-14 1992-06-25 Montres Rolex S.A. Montre du type montre-bracelet
CH687796B5 (fr) * 1994-05-30 1997-08-31 Vincent Calabrese Mecanisme d'horlogerie pour affichage alternatif des 24 heures.
EP0999482B1 (de) 1998-11-03 2007-11-14 Mct Holding Sa Jährlicher Kalendermechanismus
CH707971A1 (fr) * 2013-04-29 2014-10-31 Télôs Watch SA Pièce d'horlogerie comprenant un dispositif d'affichage de quantième.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4730050A1 (de) * 2024-10-15 2026-04-22 Rolex Sa Uhrvorrichtung zur anzeige einer uhrinformation und betriebsverfahren dafür

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