EP3839662A1 - Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst - Google Patents

Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst Download PDF

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Publication number
EP3839662A1
EP3839662A1 EP19217915.8A EP19217915A EP3839662A1 EP 3839662 A1 EP3839662 A1 EP 3839662A1 EP 19217915 A EP19217915 A EP 19217915A EP 3839662 A1 EP3839662 A1 EP 3839662A1
Authority
EP
European Patent Office
Prior art keywords
time
auxiliary rod
rod
pull tab
setting
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.)
Pending
Application number
EP19217915.8A
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English (en)
French (fr)
Inventor
Marc Lemonnier
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 EP19217915.8A priority Critical patent/EP3839662A1/de
Publication of EP3839662A1 publication Critical patent/EP3839662A1/de
Pending legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
    • G04B37/00—Cases
    • G04B37/06—Forming the passage for the winding stem through the case; Divided winding stems
    • G04B37/066—Divided stem (tige brisee)

Definitions

  • the present invention relates to a time-setting mechanism for a timepiece comprising a time-setting system with offset rods comprising a main rod carrying a sliding pinion arranged to carry out at least the time-setting. and an auxiliary rod integral with a control crown, arranged to control at least the time setting, said main and auxiliary rods having respective axes parallel to one another and not coincident, and being arranged to be connected at least in rotation to one another, as well as a pull tab mounted to pivot on a pivot axis and arranged to cause a displacement of said sliding pinion during a pivoting of said pull tab on its pivot axis.
  • the present invention also relates to a timepiece comprising such a time-setting mechanism.
  • Such horological mechanisms are used when a timepiece, and more specifically a wristwatch, comprises a base movement mounted on a plate, and at least one additional module interposed between said base movement and the dial of the part. clockwork.
  • the superposition of at least one additional module means that the total thickness of the timepiece is increased compared to the thickness that a timepiece comprising only the base movement alone would have.
  • Such a basic movement is conventionally wound up and set to the time by means of a winding stem, said stem also being able to perform other functions.
  • the axis of said winding stem is offset with respect to the total thickness of the timepiece so that the aesthetic appearance of the part watchmaking is less harmonious, the control crown, called winding crown, appearing off-center on one side of the watch case.
  • the patent CH 691 632 describes a watch comprising two parts of the winding stem, the axes of which are offset in the direction of the height of the case.
  • the two rod parts are rotatably connected to each other by pinions. They are also connected in axial translation to one another by means of a connecting piece in the form of a jumper held elastically in grooves formed on each of the two rod parts and arranged opposite one another. the other.
  • the patent CH 700 658 describes a mechanism for transmitting rotary movements between two offset parts of a time-setting rod, each of the parts being provided with an external toothed pinion, each meshing with the internal toothing of a ring positioned by means of 'a cage while allowing its rotation.
  • the cage also includes flanges carrying the rod parts so that the rod parts are integral in axial translation via the cage and its flanges.
  • This mechanism also allows the winding crown to be refocused. However, it is not satisfactory in terms of construction and size. In particular, it involves the introduction into the movement of additional, non-standard elements, for which a particular arrangement of the basic movement must be provided, and representing a significant bulk. In addition, the ring with the internal teeth is complex to produce.
  • the stem part carrying the winding crown can prove to be difficult to extract when it is desired to disassemble or fit the movement.
  • the present invention aims to remedy these drawbacks by proposing a time-setting mechanism for a timepiece comprising a time-setting system with offset stems, of simple construction, requiring few modifications to the time. basic movement.
  • the present invention also aims to provide a time-setting mechanism for a timepiece comprising a time-setting system with offset stems, allowing easy extraction of the stem which carries the control crown, in particular at the time of uncoating or nesting.
  • the present invention relates to a time-setting mechanism for a timepiece comprising a time-setting system with offset rods comprising a main rod carrying a sliding pinion arranged to carry out at least the setting. time and an auxiliary rod integral with a control crown, arranged to control at least the time setting, said main and auxiliary rods having respective axes parallel to one another and not coincident , and being arranged to be connected at least in rotation to one another, as well as a pull tab mounted to pivot on a pivot axis and arranged to cause a displacement of said sliding pinion during a pivoting of said pull tab on its pivot axis.
  • the zipper comprises a connecting element cooperating with the auxiliary rod and arranged to connect said auxiliary rod to the zipper so that an axial translational movement of the auxiliary rod causes the zipper to pivot on its axis of pivoting.
  • the main and auxiliary rods are superimposed with respect to the pivot plane of the pull tab, and the connecting element projects from the pull tab in a plane not parallel to the pivot plane of said pull tab.
  • pull tab and preferably in a plane perpendicular to said pivot plane, over a height allowing its cooperation with the auxiliary rod.
  • the mechanism of the invention is of simple construction. It does not require any additional component, only the pull tab needs to be modified compared to a standard pull tab.
  • the auxiliary rod can comprise a groove in which the connecting element of the pull tab engages so as to be integral in axial translation with said auxiliary rod.
  • the connecting element of the pull tab has an orifice arranged to receive the auxiliary rod perpendicular to the pivot axis of the pull tab.
  • said orifice may have an engagement zone arranged to engage in the groove of the auxiliary rod and a release zone arranged to allow the release of the connecting element of the pull tab from said groove during a translational movement of said pull tab along its pivot axis.
  • the mechanism according to the invention makes it possible to be able to easily extract the auxiliary rod by lifting the pull tab for the unclipping or the fitting, as standard.
  • the present invention also relates to a timepiece comprising a time-setting mechanism as described above, and a case from which the auxiliary rod emerges.
  • the present invention relates to a time-setting mechanism for a timepiece, and more particularly a watch, such as a wristwatch.
  • Said watch comprises a basic movement managing the current time, mounted in the traditional way on a plate 1.
  • At least one additional module 2 is mounted on the base movement, between said base movement and the dial (not shown).
  • This additional module 2 can for example be a date, calendar or chronograph module.
  • This additional module 2 has a certain thickness or height so that the total thickness or height of the watch is increased, shifting the median plane of the watch upwards, that is to say in the direction of the dial, relative to in the median plane which would be obtained with a basic movement alone.
  • the basic movement is set by means of a time-setting rod actuated by a user by means of a control crown 3 accessible from the 'outside the watch case.
  • the time-setting rod also serves as a winding rod for winding the movement, when it is in the pushed position as shown in the figures. figures 1 and 3 , the control crown 3 traditionally being called the winding crown.
  • the mechanism of the invention is a winding and time-setting mechanism.
  • the time-setting mechanism comprises a time-setting system comprising two offset rods, namely a main rod 4 carrying a pinion flowing 6 arranged to carry out at least the time setting, and possibly the winding in the case of a barrel movement, and an auxiliary rod 8 integral with the control crown 3, arranged to control at least the setting. time, and possibly winding.
  • the main rod 4 and the auxiliary rod 8 have respective axes parallel to each other and not coincident, preferably offset in the direction of the height of the watch case, the auxiliary rod 8 being positioned at- above the main rod 4 with respect to the plate 1 in order to raise the control crown.
  • the main rod 4 is slidably mounted in the plate and traversing in the frame of the module 2 so as to be movable in axial translation in the plate 1 and in the frame of the module 2, and movable in rotation about its axis.
  • the main rod 4 comprises a first end 4a positioned inside the plate 1 and a second end 4b, emerging from the frame of the module 2 on the side of the control ring 3.
  • the auxiliary rod 8 is slidably mounted in the frame of the module 2 so as to be movable in axial translation parallel to the plane of the plate 1 and movable in rotation about its axis.
  • the auxiliary rod 8 comprises a first end 8a emerging from the frame of the module 2 on the side of the plate 1 and a second end 8b, emerging from the frame of the module 2 on the side of the control ring 3.
  • the main 4 and auxiliary 8 rods are also arranged to be connected at least in rotation to one another, by their second ends 4b, 8b, as will be described in more detail below.
  • the mechanism used for setting the time and possibly for winding is known to those skilled in the art.
  • the time-setting mechanism also comprises a pull-tab 12 mounted to pivot on a pivot axis A perpendicular to the plate 1 and arranged to cause a displacement of the sliding pinion 6 during a pivoting of said pull-tab 12 on its pivot axis.
  • A in a pivot plane parallel to the plane of the plate 1.
  • the pull tab 12 comprises a spout 13 arranged to control a lever 14 pivotally mounted on a pivot axis B on the plate 1 and engaged in the groove 16 sliding pinion 6, so that a pivoting of the pull tab 12 on its pivot axis A will cause a pivoting of the lever 14 on its pivot axis B, which will cause a displacement of the sliding pinion 6 on the main rod 4.
  • the pull-tab 12 comprises a connecting element 18 arranged to cooperate with the auxiliary rod 8 so that an axial translational movement of the auxiliary rod 8 causes the pull-tab 12 to pivot on its pivot axis A, and consequently the displacement of the sliding pinion 6 via the pivoting of the rocker 14.
  • the main 4 and auxiliary 8 rods are superimposed with respect to the pivot plane of the zipper 12, the auxiliary rod 8 being on the dial side, and the connecting element 18 protrudes from the zipper 12 in a non-parallel plane of the plane of pivoting of said pull tab 12, in the direction of the auxiliary rod 8, over a height allowing its cooperation with said auxiliary rod 8.
  • the connecting element 8 protrudes from the pull tab 12 in a plane perpendicular to the pivot plane of the pull tab 12, in the direction of said auxiliary rod 8.
  • the connecting element 18 is configured to ensure both the maintenance in place of the auxiliary rod 8 in the frame of the module 2 in order to prevent it from coming out, as well as the actuation of the pull tab 12 by the rod. auxiliary 8 during its displacement in axial translation.
  • the auxiliary rod 8 comprises at its first end 8a, emerging from the frame of the module 2 on the plate side 1, a groove 20 in which is engaged the connecting element 18 of the pull-tab 12 so as to be integral in axial translation. with said auxiliary rod 8.
  • the connecting element 18 of the pull tab 12 has a through orifice 22 positioned opposite the auxiliary rod 8 and arranged to receive it, the axis of said auxiliary rod 8 being perpendicular and not secant to the axis of pivoting A of the pull-tab 12, in order to allow the pivoting of the pull-tab 12 around its axis A during an axial translational movement of its connecting element 18 via the auxiliary rod 8, a zone of the connecting element 18 around the orifice 22 being engaged in the groove 20.
  • the connecting element 18, raised relative to the plane of pivoting of the zipper 12 in the direction of the auxiliary rod 8 is positioned on the outer edge of the zipper 12, on a simple extension 12a provided at the end of the zipper 12 opposite the rods 4 and 8 compared to a standard shaped zipper.
  • the plate 1 and the frame of the module 2 can comprise on their respective peripheral edge cutouts arranged to allow the passage of the connecting element 18.
  • the connecting element 18 has, in cross section, a rectangular shape and, in axial section, an oval shape, configured to reduce its size and to cooperate as best as possible with the first end 8a of the auxiliary rod 8.
  • the orifice 22 can be configured so that the connecting element 18 advantageously has an engagement zone 18a arranged to engage in the groove 20 of the auxiliary rod 8 in order to lock said auxiliary rod 18 in it.
  • connecting element 18, and a release zone 18b arranged to allow the release of the connecting element 18 from said groove 20 during a translational movement of said pull tab 12 along its pivot axis A, for example when the zipper 12 is lifted to be able to extract the auxiliary rod 8.
  • the orifice 22 may for example have a base having a first circular shape sized to correspond to the clearance zone 18b, and closed, on its upper lateral side, by a second eccentric oval shape, having a radius of curvature less than radius of the circular shape, sized to match the engagement area 18a.
  • the orifice 22 can have any other suitable shape.
  • the connecting element 18 can have any other suitable shape. It can consist for example of a hook or a vertical stud projecting from the pull tab, directed upwards, and arranged to be engaged in the groove 20 of the auxiliary rod 8.
  • the connecting element 18 can be formed of a single piece with the zipper or attached and assembled to the zipper, for example by gluing, welding, driving or riveting.
  • the pull tab 12 comprises a stud 24 engaged in a groove 26 provided on the main rod 4, so as to hold said main rod 4 in place in the plate 1 in order to prevent it from coming out.
  • the stud 24 protrudes from the pull tab on the side opposite the connecting element 18, the stud 24 and the orifice 22 of the connecting element 18 being aligned longitudinally, as shown in FIG. figure 5 , and here offset axially, as shown in figure 3 .
  • the orifice 22 could also be located further inside, for example just above the stud 24.
  • the stud 24 does not have the function here. to rotate the zipper when pulling the time-setting rod.
  • the pull tab 12 ordered by the axial translational movement of the auxiliary rod 8 which will cause an axial translational movement of the main rod 4 controlled by the stud 24, so that the main 4 and auxiliary 8 rods are integral with one another in axial translation.
  • the stud 24 can be omitted and replaced by another system for locking the main rod 4 in the plate 1, so that the main rod 4 may not move in axial translation with the auxiliary rod. 8.
  • a stud 28 is provided, also in a standard manner, on a protuberance 12b of the pull-tab 12.
  • a support on the stud 28 makes it possible to lift the pull tab 12 and to release the connecting element 18 from the groove 20 of the auxiliary rod 8 as well as the stud 24 of the groove 26 of the main rod 4, thus freeing said main 4 and auxiliary 8 rods.
  • said main 4 and auxiliary 8 rods are respectively secured to a pinion 30, 32, said pinions 30, 32 being kinematically linked in rotation to one another. with the other.
  • At least one return 34 is provided, mounted loose on the frame of the module 2 by means of a screw 36, between said pinions 30, 32, said return 34 being configured to cooperate with said pinions 30, 32 when the displacement in axial translation of at least the auxiliary rod 8.
  • the return 34 or an odd number of references also allows the auxiliary 8 and main 4 rods to have the same direction of rotation. It is obvious that the pinions 30 and 32 can mesh directly with one another, with via an even number of references, but in this case the directions of rotation of the main and auxiliary rods will be reversed.
  • the gear 34 has teeth extending over a sufficient height to maintain engagement with the pinions 30 and 32 even when the rods auxiliary 8 and main 4 are, after their displacement in axial translation, in the pulled position.
  • the operation of the time-setting mechanism of the invention is as follows: when the auxiliary rod 8 and the main rod 4 are in the pushed position as shown in FIG. figure 3 , corresponding for example to the winding position in the case of a barrel movement, winding is carried out by actuating the control crown 3 to drive the auxiliary rod 8 in rotation, which causes the rotation of the main rod 4 via the return 34.
  • the pull tab 12 and the lever 14 are in the reassembly position so that the sliding pinion 6 cooperates with the winding pinion 10.
  • the rotation of the sliding pinion 6 carried by the main rod 4 causes the rotation of the winding pinion 10 which meshes with the members of the barrel winding mechanism, as is known to those skilled in the art.
  • the control crown 3 of the auxiliary rod 8 is pulled by the user so that the auxiliary rod 8 moves in axial translation towards the outside of the box, its pinion 32 sliding on the gear teeth 34.
  • the displacement in axial translation of the auxiliary rod 8 has the effect of actuating the connecting element 18 of the pull-tab 12, its engagement zone 18a being engaged in the groove 20 of the auxiliary rod 8, so that said pull-tab 12 pivots clockwise on its pivot axis A.
  • the pivoting of the pull-tab 12 causes the pivoting of the lever 14 on its pivot axis B, in the anti-clockwise direction, this which causes the sliding pinion 6 to move on the main rod 4 in order to be able to cooperate with the members of the time-setting mechanism.
  • the user presses on the stud 28 to lift the pull tab 12 and its connecting element 18. This makes it possible to position the auxiliary rod 8 in the release zone 18b of the connecting element 18 so that said auxiliary rod 8 is no longer held by the connecting element 18 and can be easily removed from the frame of the module 2. Likewise, the lifting of the pull tab 12 releases the stud 24 from the groove 26 of the main rod 4 so that said main rod 4 can be withdrawn.
  • the mechanism of the invention is simple to apply, since it requires few modifications to the base movement, only the pull tab having to be modified.
  • the time-setting position is obtained by the sole rotation of the zipper controlled directly by the displacement in axial translation of the auxiliary rod. This simple movement represents less risk of bracing and blocking than the known offset rod mechanisms using connecting pieces to transmit the movement of axial translational displacement of the auxiliary rod to the main rod, which itself controls. then the pull tab.
  • the mechanism of the invention allows easy extraction of the auxiliary rod but also of the main rod, for disassembly, by lifting the zipper, as is practiced in a standard manner.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electric Clocks (AREA)
EP19217915.8A 2019-12-19 2019-12-19 Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst Pending EP3839662A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP19217915.8A EP3839662A1 (de) 2019-12-19 2019-12-19 Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP19217915.8A EP3839662A1 (de) 2019-12-19 2019-12-19 Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst

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EP3839662A1 true EP3839662A1 (de) 2021-06-23

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EP19217915.8A Pending EP3839662A1 (de) 2019-12-19 2019-12-19 Zeiteinstellungsmechanismus einer uhr, der ein zeiteinstellungssystem mit versetzten stangen umfasst

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH691632A5 (fr) 1997-06-18 2001-08-31 Chopard Internat S A Montre à tige de remontoir et de mise à l'heure en deux parties.
CH700658A1 (fr) 2009-03-24 2010-09-30 Louis Vuitton Malletier Sa Mécanisme de transmission de mouvements entre deux parties décalées d'une tige de mise à l'heure.
EP2365407A1 (de) * 2010-03-08 2011-09-14 Montres Breguet SA Vorrichtung zum Aufziehen und zur Zeiteinstellung für ein Uhrwerk
EP2600214A1 (de) * 2011-12-01 2013-06-05 Agenhor SA Übertragungsmechanismus zwischen zwei Teilen eines Schaltgestänges für ein Uhrwerk

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH691632A5 (fr) 1997-06-18 2001-08-31 Chopard Internat S A Montre à tige de remontoir et de mise à l'heure en deux parties.
CH700658A1 (fr) 2009-03-24 2010-09-30 Louis Vuitton Malletier Sa Mécanisme de transmission de mouvements entre deux parties décalées d'une tige de mise à l'heure.
EP2365407A1 (de) * 2010-03-08 2011-09-14 Montres Breguet SA Vorrichtung zum Aufziehen und zur Zeiteinstellung für ein Uhrwerk
EP2600214A1 (de) * 2011-12-01 2013-06-05 Agenhor SA Übertragungsmechanismus zwischen zwei Teilen eines Schaltgestänges für ein Uhrwerk

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