EP2948820A1 - Dispositif de guidage d'arbre d'horlogerie - Google Patents
Dispositif de guidage d'arbre d'horlogerieInfo
- Publication number
- EP2948820A1 EP2948820A1 EP13786230.6A EP13786230A EP2948820A1 EP 2948820 A1 EP2948820 A1 EP 2948820A1 EP 13786230 A EP13786230 A EP 13786230A EP 2948820 A1 EP2948820 A1 EP 2948820A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- pivot
- kitten
- cabochon
- stone
- axis
- 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
Links
- 239000004575 stone Substances 0.000 claims description 123
- 230000000295 complement effect Effects 0.000 claims description 13
- 239000007769 metal material Substances 0.000 claims 1
- 239000010437 gem Substances 0.000 abstract 1
- 229910001751 gemstone Inorganic materials 0.000 abstract 1
- 230000000284 resting effect Effects 0.000 description 9
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000005021 gait Effects 0.000 description 4
- 230000037230 mobility Effects 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 239000002178 crystalline material Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 241000207836 Olea <angiosperm> Species 0.000 description 1
- 240000007817 Olea europaea Species 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005188 flotation Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- FEBNTWHYQKGEIQ-BIMULSAOSA-N nardin Natural products C[C@H]1CC[C@H](C=C(/C)C(=O)O)C2=C(C)CC[C@@H]12 FEBNTWHYQKGEIQ-BIMULSAOSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- FEBNTWHYQKGEIQ-UHFFFAOYSA-N valerenic acid Chemical compound CC1CCC(C=C(C)C(O)=O)C2=C(C)CCC12 FEBNTWHYQKGEIQ-UHFFFAOYSA-N 0.000 description 1
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
- G04B31/00—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor
- G04B31/004—Bearings; Point suspensions or counter-point suspensions; Pivot bearings; Single parts therefor characterised by the material used
- G04B31/008—Jewel bearings
- G04B31/0082—Jewel bearings with jewel hole and cap jewel
Definitions
- the invention relates to a device for pivoting a clockwork movement shaft comprising a pierced stone fixed in a kitten traversed by a pivot of said axis of revolution, and a counter pivot stone indirectly fixed on a plate of said movement by at least said kitten, said counter pivot stone having a first bearing surface arranged to cooperate abutting with the distal end of said pivot.
- the invention also relates to a watch movement comprising such a device.
- the invention also relates to a watch comprising such a watch movement or / and such a device.
- the invention relates to the field of pivotal guidance of watch-making trees for watches, and more particularly of balance shafts.
- One of the causes of these gait variations is the difference in the behavior of the pendulum pivot, in contact with the counter-pivot stone between the two horizontal positions. This difference in behavior is caused, for example, by the different forces of the hairspring, closer to the pivot in one of the horizontal positions relative to the other, coupled with the play of the pivot in the orifice of the stone.
- the counter pivots have the essential functions, on the one hand the reduction of the friction at the pivot, and on the other hand the good distribution of the oils.
- the document CH 239 786 in the name of DITISHEIM describes a rocker shaft pivoting device or the like, comprising a counter-pivot stone with an oblique surface at the point of contact with the end of the shaft.
- the document CH 702 314 B1 in the name of PATEK PHILIPPE discloses a bearing bearing, made of a crystalline material, and a receiving hole of a pivot comprises faces which are planar, and located in crystalline planes of this crystalline material .
- the document CH 704 770 A2 in the name of ULYSSE NARDIN describes a pivot whose free end has a contact end radially offset relative to the pivot axis, towards the periphery of the pivot.
- EP 2 400 355 A1 in the name of SWATCH GROUP R & D describes a shock-absorbing bearing comprising a support having a housing receiving a pivot system in which is inserted a shaft shank; the bearing comprises elastic means of amorphous material exerting an axial force on the pivot.
- the invention proposes to carry out a shaft pivoting guide remedying the drawbacks of the prior art, by reducing the differences in the behavior of the shaft between the different positions of the watch.
- the invention relates to a device for pivoting a clockwork movement shaft comprising a pierced stone fixed in a kitten traversed by a pivot of said axis of revolution, and a counter-pivot stone fixed indirectly on a platinum said movement by at least said kitten, said counter pivot stone having a first bearing surface arranged to cooperate abutting with the distal end of said pivot, characterized in that said bearing surface (5) is unique and arranged so that, in abutment position of said pivot on said pivot-pivot stone, the normal to the common tangent plane to said pivot and to said first bearing surface is oblique with respect to said axis at a non-zero angle of cant, said normal and said axis together defining a plane against pivoting having a first angular orientation at a yaw angle with respect to a reference direction of said platen.
- said device comprises means for adjusting said yaw angle or / and said tilt angle for adjusting and adjusting the movement of said movement.
- the invention also relates to a watch movement comprising such a device.
- the invention also relates to a watch comprising such a watch movement or / and such a device.
- a sprung-balance shaft having at its end a pivot pivoting in the orifice of a pierced stone, this pivot being arranged to bear, at its distal end, on a stone, where:
- FIG. 1 shows, schematically, partially, and in sectional view in a so-called counter-pivot plane passing through the balance shaft and the point of tangency between the distal end of the pivot and the surface of support at the level of the counter-pivot stone, one of the variants of implementation of the invention, with this bearing surface at a counter-pivot stone, which is inclined with respect to the axis of the pivot a so-called tilt angle;
- FIG. 2 is a partial schematic view of a part of the pivoting guide device of FIG. 1, in which the counter-pivot plane of FIG. 1 is separated from a reference direction; corresponding to a plate receiving this device, an angle called lace;
- FIGS. 3 to 10 show various embodiments making it possible to influence the movements of the pivot in the orifice of the pierced stone:
- FIG. 3 shows, schematically and in section, a variant where a cabochon substantially of revolution, mounted in a plate not shown in alignment with the theoretical axis of the balance shaft, door, coaxial mounted a kitten ; this kitten, mounted parallel to the cabochon, carries a stone pierced guide the pivot along the axis of the balance; the kitten has a dwelling inclined interior with respect to this axis of balance, for the reception of the counter-pivot stone, whose bearing surface is thus inclined with respect to the pierced stone and with respect to the axis of balance, with a slope angle about 3 °; this counter-pivot stone is held in the cabochon by a bumper spring.
- This inclination makes it possible to influence the displacement of the pivot in the stone orifice and thus makes it possible to influence the chronometry in the horizontal positions of the watch;
- FIG. 4 shows, schematically and in section, a variant where a cabochon, substantially of revolution, mounted in a plate not shown in alignment with the theoretical axis of the balance shaft, door, coaxially mounted a kitten; this kitten carries a stone pierced guide the pivot along the axis of the balance; the kitten comprises an inner housing for receiving the counter-pivot stone, which is held in the cabochon by a bumper spring, a magnet placed in the vicinity of the cabochon generates a magnetic field of direction substantially orthogonal to the axis of the pivot , which causes an influence similar to the inclination of the stone of Figure 3;
- FIG. 5 represents a configuration similar to FIG. 4, in which the magnet is replaced by a spring acting on the balance shaft with a force in a direction substantially orthogonal to the axis of the pivot, which causes an influence similar to the inclination of the stone of Figure 3;
- FIG. 6 shows schematically and in section, a variant where a cabochon substantially of revolution, mounted in a plate not shown in the alignment of the theoretical axis of the balance shaft, door, coaxial mounted a kitten ; this kitten carries a stone pierced guide the pivot along the axis of the balance; the kitten has an inner housing for receiving the counter-pivot stone, which is substantially parallel to the pierced stone and is held in the cabochon by a bumper spring, the counter-pivot stone has a hollow housing off-center for receiving the end of the pivot, which thus bears on a slope of this housing constituting the bearing surface with a tilt angle;
- FIG. 7 is a diagrammatic sectional view of a variant in which a cabochon, substantially of revolution, is mounted in a plate with an inclination of about 3 ° with respect to the theoretical axis of the axis of FIG. pendulum, and wears a kitten mounted coaxial to this cabochon; this kitten is wearing a pierced stone guiding the pivot, the passage opening being inclined relative to the axis of the pivot due to the inclination of the cabochon in the plate; the kitten comprises an inner housing for receiving the counter-pivot stone, substantially parallel to the pierced stone, and which is held in the cabochon by a bumper spring, the end of the pivot is thus resting on a surface of flat support of the counter-pivot stone, according to a tilt angle identical to the angle of inclination of the cabochon in the plate;
- FIG. 8 shows, schematically and in section, a variant where a cabochon, substantially of revolution, is mounted aligned with the balance shaft, and carries a kitten coaxially mounted to this cabochon;
- this kitten comprises two inclined housings of the value of the tilt angle, and parallel to each other, one for a pierced guide stone of the pivot, the passage opening thus being inclined with respect to the axis of the pivot, and the other for receiving the counter-pivot stone, substantially parallel to the pierced stone, and which is held in the cabochon by a bumper spring, the end of the pivot is thus resting on a bearing surface plane of the counter-pivot stone, according to an angle of inclination identical to the angle of inclination of the counter-pivot stone and the stone pierced in the kitten;
- FIG. 9 shows, schematically and in section, a variant where a cabochon, substantially of revolution, is mounted aligned with the balance shaft, and carries a recess inclined the value of the angle of inclination for receiving a kitten; this kitten has two housings parallel to each other, one for a pierced guide stone of the pivot, the passage opening being thus inclined with respect to the axis of the pivot, and the other for the reception of the counter-stone.
- pivot substantially parallel to the pierced stone, and which is held in the cabochon by a bumper spring, the end of the pivot is thus resting on a flat bearing surface of the stone against pivot, at an angle of cant identical to the angle of inclination of the kitten in the cabochon;
- Figure 10 is similar to Figure 6, the hollow and off-center housing is constituted by an eccentric groove, shown in section, and in plan view in Figure 10A, the bearing surface of the stone against pivot;
- FIGS. 12 to 15 like FIG. 2, show indexing means applying to the means of influencing the position of the pivot seen in FIGS. 1 and 3 to 10; the action on this inclined position makes it possible to correct and adjust the chronometry, in particular the difference between the two horizontal positions:
- Figure 1 1 is similar to Figure 10, and in plan view in Figure 1 1 A, the hollow and off-center housing is constituted by a centered groove;
- FIG. 12 represents, in plan view, a device according to the invention comprising an inclined counter-pivot stone and an indexable kitten in several discrete positions, so as to perform a gait adjustment, and to maintain this adjustment;
- FIG. 13 shows, in plan view, and in section through the axis of the beam in FIG. 13A, a device according to the invention comprising a kitten inclined in a cabochon of the type of FIG. 9 mounted straight and frictionally in a plate and resting on it, this cap having screw slots for angular adjustment of a yaw angle with a tool such as a screwdriver, so as to perform a gait adjustment by adjusting this angle of lace, and maintain this adjustment under the action of friction;
- FIG. 14 represents, in a plan view, a device according to the invention comprising a cabochon bearing an inclined counter-pivot stone, this cabochon comprising a peripheral toothing meshing with a sliding screw-type gear wheel mounted in the plate. , so as to perform with a screwdriver a setting of the step by pivoting the complete cabochon and adjusting its yaw angle, and to maintain this adjustment under the action of the friction;
- FIG. 15 shows, in plan view, and in section by the axis of the beam on the two variants of Figures 15A and 15B, a device according to the invention comprising a cabochon and a kitten rights, the kitten bearing a stone against -inclined pivot of the type of Figure 3, the bumper spring cooperates with a rib or a groove of the surface of the counter-pivot stone opposite the bearing surface of the end of the pivot, the kitten can be indexed on several positions by the lyre;
- FIG. 16 represents, in plan view, and in section through the axis of the balance beam in FIG. 13A, a device according to the invention comprising a cabochon with a right kitten comprising a parallel pierced stone and a counter-pivot stone, this cabochon is inserted with play in a housing of the plate, on which it is held tight by three screws each having a groove enclosing the circumference of this cabochon, which allows the adjustment of both the angle of tilt and the yaw angle,;
- FIG. 17 represents, in the form of a block diagram, a watch comprising a movement equipped with a device according to the invention.
- the invention proposes to describe various means for influencing the behavior of the pivot, and, through this intermediary, the running of the watch. These means make it possible to influence or regulate this behavior in order to equalize the steps, especially in the two horizontal positions.
- the invention relates to a device 10 for pivoting a watch movement shaft 1 1 comprising a pierced stone 3 fixed in a kitten 7.
- This pierced stone 3 is traversed by a pivot 2 of a shaft 1 revolution D.
- the shaft 1 is here the shaft of the sprung balance.
- a counter-pivot stone 4 is fixed indirectly on a plate 6 of the movement 100 by at least the intermediate of the kitten 7.
- the kitten 7 is carried by a cabochon 9, which is fixed to the plate 6.
- this counter-pivoting stone 4 comprises a single first bearing surface 5, which is arranged to cooperate in abutment with the distal end of the pivot 2, while the cylindrical portion of the pivot 2 cooperates with the orifice 31, generally olives, that includes the pierced stone 3.
- the bearing surface 5 is flat, as can be seen in particular in FIGS. 1, 3, 4, 5, 7, 8, 9, 13, 15, and 16.
- the device 10 according to the invention is arranged so that, in the abutment position of the pivot 2 on the counter pivot stone 4, the normal N to the tangent plane PT common to the pivot 2 and the first bearing surface 5 is oblique with respect to the axis D at a non-zero tilt angle.
- the device 10 comprises adjustment means 20 for influencing the displacement of the pivot 2 in the hole 31 of the pierced stone for the adjustment and adjustment of the movement step 100 in which it is incorporated, by reducing the differences between the two horizontal positions. More particularly, these adjustment means 20 are means for adjusting the yaw angle a and / or the tilt angle. These adjustment means must not be confused with resilient arms, or even springs, of certain bearings of the prior art, which are in general solely devoted to functions of holding or / and elastic return, and can not in no case constitute reproducible control means.
- the inclination of the counter-pivot plane PCP with respect to a reference direction DR, corresponding to a plate 6 receiving the device 10, of a lace angle a, as visible in FIG. 2, makes it possible to correct and adjust the chronometry, in particular the difference between the two horizontal positions.
- the pierced stone 3 and the counter-pivot stone 4 are fixed together in the kitten 7, in which the counter-pivoting stone 4 is pushed towards the pierced stone 3 by at least one bumper spring 8, resting on a shoulder of the kitten 7.
- these adjustment means 20 comprise positioning means 21, either the kitten 7 pivotally mounted relative to the plate 6, or a cabochon 9 enclosing the kitten 7 and mounted movably relative to the plate 6.
- the mobility of the kitten 7 relative to the plate 6 may be indirect, this is the case of Figures 12 and 15 where the kitten 7 pivots with respect to the cabochon 9 which is stationary relative to the plate 6.
- the mobility of the cabochon 9 with respect to the plate 6 is preferably restricted to a simple pivoting as can be seen in FIGS. 13 and 14, without play or preferably with friction, or else with a differential translational movement, with respect to the plate 6, three points of its periphery, with a reduced clearance allowing only this warpage of the counter-pivot stone 4 relative to the plate 6, as visible in Figure 16.
- the adjustment means 20 comprise angular indexing means 22 for maintaining the adjustments made on the watch.
- angular indexing means 22 may, again, concern, or the kitten 7 pivotally mounted relative to the plate 6 as in Figure 12 where the kitten can take several discrete positions, and / or the cabochon 9 enclosing the kitten 7 and mounted movable relative to the plate 6 as in Figure 14 where a toothed gear 25 allows fine adjustment of a ring gear 94 secured to the cabochon 9.
- FIG. 12 illustrates a variant with an inclined counter-pivot stone 4 and a kitten 7 indexable in several discrete positions, so as to effect a adjust the gait, and maintain this setting.
- the cabochon 9 comprises cavities 93, in which can be housed a finger 72 integral with the kitten 7, these cells 93 and the finger 72 together constituting the adjusting means 20 and the indexing means 22.
- the pivot-pivoting stone 4 is hunted or indexed in the kitten 7.
- the invention can be implemented according to many variants.
- the device 10 comprises a cabochon 9 enclosing the kitten 7 and the bumper spring 8, and which is pivotally mounted in the plate 6.
- This cabochon 9 has a second reference surface 91 facing to a second complementary bearing surface 61 of the plate 6.
- the first bearing surface 5 is perpendicular with respect to the axis DO of the orifice 31 of the pierced stone 3 for guiding the pivot 2.
- the kitten 7 is mounted obliquely in the cabochon 9 relative to the second reference surface 91 in a single determined position.
- the cabochon 9 is mounted aligned with the axis D balance, the kitten 7 is mounted coaxial with the cabochon 9.
- the kitten 7 has two housings 75 and 76 inclined the value of the angle of tilt , preferably close to 3 °, and parallel to each other: the first housing 75 for a pierced stone 3 for guiding the pivot 2, the passage opening 31 thus being inclined with respect to the axis D of the pivot 2; and the other housing 76 for receiving the counter-pivot stone 4, substantially parallel to the pierced stone 3, and which is held in the cabochon 9 by a bumper spring 8.
- the end of the pivot 2 is thus in resting on a flat support surface 5 of the counter-pivot stone 4, at a slope angle ⁇ identical to the angle of inclination ⁇ of the counter-pivot stone and the pierced stone in the kitten 7.
- the cabochon 9 comprises a housing 92 for receiving the kitten 7, which has an outer surface 71 which is oblique with respect to the axis D0 of the orifice 31 in a single determined position.
- This housing 92 is parallel to the direction of the second reference surface 91 of the cabochon 9.
- the cabochon 9 comprises a housing 92 for receiving the kitten 7, and the housing 92 is oblique with respect to the second reference surface 91 of the cabochon 9 in a single, determined position.
- This kitten 7 has an outer surface 71 which is of revolution and coaxial with the axis DO of the orifice 31 of the pierced stone 3.
- FIG. 9 thus shows a cabochon 9, substantially of revolution, mounted aligned with the axis D of the balance beam by a cylindrical bearing surface 91 cooperating with a bore 63 of the plate 6, and which carries a housing 92 inclined by the value of the tilt angle e, preferably close to 3 °, for receiving the kitten 7.
- This kitten 7 has two recesses parallel to each other, one 75 for a piercing stone 3 for guiding the pivot 2, the passage opening 31 being thus inclined with respect to the axis D of the pivot 2, and the other 76 for the reception of the counter-pivot stone 4, substantially parallel to the pierced stone 3, and which is held in the cabochon 9 by a bent spring shocks 8, the end of the pivot 2 is thus resting on a flat bearing surface 5 of the counter-pivot stone 4, at a slope angle ⁇ identical to the angle of inclination ⁇ of the kitten 7 in the cabochon 9. The same assembly is visible in FIG.
- the first bearing surface 5 is perpendicular to the axis OD of the orifice 31 that includes the pierced stone 3 for guiding the pivot 2.
- the kitten 7 is mounted parallel in this cabochon 9, relative to the second reference surface 91.
- the second reference surface 91 is held oblique with respect to the second complementary bearing surface 61 of the plate 6.
- the cabochon 9 is inserted with play in a housing 64 of the plate 6, on which it is held tight by three screws 23 each having a groove 27 enclosing a flange 96 of the periphery of the cabochon 9, for the adjustment of both the tilt angle ⁇ and of the yaw angle a.
- at least one of the screws 23 is held in abutment, by a bearing surface 241 of a flange 28 delimiting said groove 27, on a face 61 of the plate 6, to facilitate adjustment.
- the normal of the first bearing surface 5 is oblique with respect to the axis DO of the orifice 31 of the pierced stone 3 for guiding the pivot 2, according to the angle tilt ⁇ close to 3 °.
- the kitten 7 is mounted parallel in the cabochon 9 relative to the second reference surface 91.
- the adjustment means 20 comprise pivoting drive means 24 of the cabochon 9.
- the cabochon 9 bears an inclined counter-pivot stone 4.
- This cabochon 9 comprises a peripheral toothing 94 meshing with a drive gear 25 with a screw slot 26 frictionally mounted in the plate, so as to perform with a screwdriver a step adjustment by pivoting the complete cabochon 9 and adjustment of its yaw angle a, and to maintain this adjustment under the action of the friction.
- the complementary bearing surface 61 of the plate 6 is a bore 63 substantially parallel to the axis D, and the first bearing surface 5 is perpendicular to the axis OD of the orifice 31 of the pierced stone 3, and the kitten 7 is mounted obliquely in the oblique housing 92 of the cabochon 9 relative to the second reference surface 91 which is cylindrical, in a single determined position.
- the complementary bearing surface 61 of the plate 6 is a bore 63 oblique with respect to the axis D with an inclination of the order of 3 °, and the first surface of 5 support is perpendicular to the axis OD of the hole 31 of the pierced stone 3, which is inclined relative to the axis of the pivot due to the inclination of the cabochon in the plate.
- the kitten 7 is mounted coaxially in the cabochon 9 parallel to the second reference surface 91 which is cylindrical, in a single determined position.
- the end of the pivot 2 is thus resting on a flat support surface 5 of the counter-pivoting stone 4, at a slope angle ⁇ identical to the angle of inclination of the cabochon 9 in the plate 6.
- the cabochon 9 and the kitten 7 are straight and coaxial, the cabochon 9 is pivotally mounted in the plate 6.
- the normal of the first bearing surface 5 is oblique with respect to the axis DO of the hole 31 of the pierced stone 3.
- the kitten 7 is mounted parallel in the cap 9 relative to the second reference surface 91.
- the bumper spring 8 cooperates with a rib 41 or a groove 42 the surface of the counter-pivot stone 4 opposite to the bearing surface 5 of the end of the pivot 2.
- the cabochon 9 comprises a plurality of housings 95: 95A, 95B, 95C, 95D, for receiving and locking a loop 82 or end arms 83 of the bumper spring 8, to index the kitten 7 in different positions by the lyre of the spring 8, which is itself indexed in the housing 95 in cabochon notches 9.
- the counter-pivoting stone 4 comprises a hollow surface, advantageously off-center, in particular spherical or conical, for receiving the distal portion of the pivot 2, this off-center hollow surface having oblique edges, especially on the spiral side, for exiting the axis 1 of the vertical position, and which influences the behavior of the pivot 2 in the horizontal positions
- the bearing surface 5 can thus be constituted, without limitation, a hollow 51 off-center with respect to the axis DO of the orifice 31 of the pierced stone 3 visible in FIG. 6, or of a first groove 52 with a V-shaped profile centered on this axis DO that is visible in FIG. 11, or else with a second groove 53 with a profile Vee eccentric with respect to this axis DO visible in Figure 10.
- the device 10 comprises means of attraction or repulsion 30 of the pivot 2 in a direction substantially orthogonal to the axis D of the pivot 2.
- these attraction or repulsion means 30 are constituted by an electret or a magnet 30A generating an electrostatic or magnetic field, and the pivot 2, being made of metallic conducting material, is sensitive to field and undergoes a force tending to press it at least on an edge of the orifice 31 of the pierced stone 3; when the counter pivot stone 4 is inclined, the orientation of the field in the same plane as the normal to the bearing surface 5 further improves the regularity of the step.
- these attraction or repulsion means 30 are constituted by at least one elastic return means or spring 30B exerting a radial force on the pivot 2, in particular by acting directly on the axis 1 of the pendulum.
- the invention also relates to a watch movement 100 comprising such a device 10.
- the invention also relates to a watch 200 comprising such a watch movement 100 and / or such a device 10.
- a watch 200 comprising such a watch movement 100 and / or such a device 10.
- the inclination of the counter-pivoting stone 4 with respect to the axis D is favorable in itself.
- the inclination of the complete kitten 7 can influence the position of the pivot 2 in the horizontal positions.
- the action on the cabochon 9, or the combined action on the cabochon 9 and the kitten 7 makes it possible to equalize the steps between positions, by modifying the influences on the pivot 2.
- the step is influenced in the corresponding horizontal positions.
- This principle can be applied to the rotation of the stone in the bumper damper realized with the incorporation of the bumper spring 8 in the cabochon 9, the rotation of the kitten 7 and the stone against pivot 4, to the rotation of the complete damper and the rotation of the bridge.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pivots And Pivotal Connections (AREA)
- Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
- Adornments (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13786230.6A EP2948820B1 (fr) | 2013-01-22 | 2013-11-04 | Dispositif de guidage d'arbre d'horlogerie |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP13152192.4A EP2757426B1 (fr) | 2013-01-22 | 2013-01-22 | Dispositif de guidage d'arbre d'horlogerie |
EP13786230.6A EP2948820B1 (fr) | 2013-01-22 | 2013-11-04 | Dispositif de guidage d'arbre d'horlogerie |
PCT/EP2013/072882 WO2014114377A1 (fr) | 2013-01-22 | 2013-11-04 | Dispositif de guidage d'arbre d'horlogerie |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2948820A1 true EP2948820A1 (fr) | 2015-12-02 |
EP2948820B1 EP2948820B1 (fr) | 2017-10-18 |
Family
ID=47678583
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13152192.4A Active EP2757426B1 (fr) | 2013-01-22 | 2013-01-22 | Dispositif de guidage d'arbre d'horlogerie |
EP13786230.6A Active EP2948820B1 (fr) | 2013-01-22 | 2013-11-04 | Dispositif de guidage d'arbre d'horlogerie |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP13152192.4A Active EP2757426B1 (fr) | 2013-01-22 | 2013-01-22 | Dispositif de guidage d'arbre d'horlogerie |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP2757426B1 (fr) |
JP (1) | JP6031199B2 (fr) |
CN (1) | CN104937502B (fr) |
DE (1) | DE102014000579B4 (fr) |
HK (1) | HK1215312A1 (fr) |
WO (1) | WO2014114377A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11073798B2 (en) | 2017-03-30 | 2021-07-27 | Rolex Sa | Guide bearing for a timepiece balance pivot |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH711681A2 (fr) * | 2015-10-26 | 2017-04-28 | Eta Sa Mft Horlogère Suisse | Guidage flexible en pivotement de mobile horloger. |
JP2022545425A (ja) * | 2019-08-19 | 2022-10-27 | ロレックス・ソシエテ・アノニム | 時計軸受の製造方法 |
CN111075898B (zh) * | 2019-12-25 | 2021-10-26 | 中国科学院微小卫星创新研究院 | 低阻尼转动装置及其操作方法 |
EP3929666A1 (fr) * | 2020-06-26 | 2021-12-29 | ETA SA Manufacture Horlogère Suisse | Système mobile tournant d'un mouvement horloger |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
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DE206162C (de) | 1908-04-23 | 1909-01-29 | Vorrichtung zum Regeln von Taschenuhren im Liegen. | |
CA225409A (fr) * | 1921-10-06 | 1922-10-31 | Brun Joseph | Montre |
CH168494A (de) * | 1933-03-02 | 1934-04-15 | Marti Fritz | Lager für Wellen, insbesondere für solche in Uhrwerken. |
CH239786A (fr) | 1944-02-04 | 1945-11-15 | Ditisheim & Cie Fabriques Vulc | Dispositif de pivotement d'un arbre tel que l'arbre du balancier d'un mouvement d'horlogerie, d'un porte-échappement ou d'un compteur, par exemple. |
US2654990A (en) * | 1951-05-16 | 1953-10-13 | Hamilton Watch Co | Equitorque bearing |
DE1008209B (de) * | 1952-01-14 | 1957-05-09 | Hans Grenda | Stosssichere Unruhlagerung an Uhren |
DE928400C (de) * | 1952-02-12 | 1955-05-31 | Ver Uhrenfabriken | Elastisches Zapfenlager fuer Uhrwerke |
WO2006067597A2 (fr) * | 2004-12-22 | 2006-06-29 | Raoul Allaman | Organe reglant pour mouvement d'horlogerie |
CH698826B1 (fr) * | 2006-03-29 | 2009-11-13 | Girard Perregaux Sa | Mouvement pour pièce d'horlogerie à affichage rétrograde. |
CN101589347A (zh) * | 2006-12-21 | 2009-11-25 | 康普利计时股份有限公司 | 用于钟表的机械振荡器 |
CH702314B1 (fr) * | 2007-02-16 | 2011-06-15 | Patek Philippe Sa Geneve | Palier pour pièce d'horlogerie. |
EP1986059A1 (fr) * | 2007-04-26 | 2008-10-29 | ETA SA Manufacture Horlogère Suisse | Dispositif de pivotement d'un arbre dans une pièce d'horlogerie |
EP2400355A1 (fr) * | 2010-06-22 | 2011-12-28 | The Swatch Group Research and Development Ltd. | Système antichoc pour pièce d'horlogerie |
CH704770B1 (fr) * | 2011-04-06 | 2013-09-13 | Manuf Et Fabrique De Montres Et Chronometres Ulysse Nardin Le Locle Sa | Pivot pour composant horloger et composant horloger le comportant. |
-
2013
- 2013-01-22 EP EP13152192.4A patent/EP2757426B1/fr active Active
- 2013-11-04 JP JP2015553021A patent/JP6031199B2/ja active Active
- 2013-11-04 WO PCT/EP2013/072882 patent/WO2014114377A1/fr active Application Filing
- 2013-11-04 CN CN201380071026.9A patent/CN104937502B/zh active Active
- 2013-11-04 EP EP13786230.6A patent/EP2948820B1/fr active Active
-
2014
- 2014-01-20 DE DE102014000579.8A patent/DE102014000579B4/de active Active
-
2016
- 2016-03-21 HK HK16103255.6A patent/HK1215312A1/zh unknown
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11073798B2 (en) | 2017-03-30 | 2021-07-27 | Rolex Sa | Guide bearing for a timepiece balance pivot |
Also Published As
Publication number | Publication date |
---|---|
DE102014000579B4 (de) | 2020-08-06 |
DE102014000579A1 (de) | 2014-07-24 |
JP6031199B2 (ja) | 2016-11-24 |
EP2948820B1 (fr) | 2017-10-18 |
HK1215312A1 (zh) | 2016-08-19 |
CN104937502B (zh) | 2017-07-28 |
EP2757426A1 (fr) | 2014-07-23 |
EP2757426B1 (fr) | 2017-11-08 |
JP2016503899A (ja) | 2016-02-08 |
CN104937502A (zh) | 2015-09-23 |
WO2014114377A1 (fr) | 2014-07-31 |
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