EP2795409A1 - Method for improving the pivotal movement of a mobile body - Google Patents
Method for improving the pivotal movement of a mobile bodyInfo
- Publication number
- EP2795409A1 EP2795409A1 EP12791819.1A EP12791819A EP2795409A1 EP 2795409 A1 EP2795409 A1 EP 2795409A1 EP 12791819 A EP12791819 A EP 12791819A EP 2795409 A1 EP2795409 A1 EP 2795409A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- mobile
- axis
- flange
- movable
- plane
- 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
- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000003754 machining Methods 0.000 claims abstract description 24
- 230000005484 gravity Effects 0.000 claims abstract description 6
- 230000003068 static effect Effects 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 claims description 20
- 230000007246 mechanism Effects 0.000 claims description 19
- 230000010355 oscillation Effects 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 238000005259 measurement Methods 0.000 claims description 6
- 238000012423 maintenance Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000008719 thickening Effects 0.000 claims 1
- 238000012937 correction Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005461 lubrication Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000000284 resting effect Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000003100 immobilizing effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000608 laser ablation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
- G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
- G04D7/085—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing by removing material from the balance wheel itself
-
- 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
- G04B1/00—Driving mechanisms
- G04B1/10—Driving mechanisms with mainspring
- G04B1/16—Barrels; Arbors; Barrel axles
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B13/00—Gearwork
- G04B13/02—Wheels; Pinions; Spindles; Pivots
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B17/00—Mechanisms for stabilising frequency
- G04B17/20—Compensation of mechanisms for stabilising frequency
- G04B17/28—Compensation of mechanisms for stabilising frequency for the effect of unbalance of the weights, e.g. tourbillon
-
- 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
- G04B18/00—Mechanisms for setting frequency
- G04B18/006—Mechanisms for setting frequency by adjusting the devices fixed on the balance
-
- G—PHYSICS
- G04—HOROLOGY
- G04D—APPARATUS OR TOOLS SPECIALLY DESIGNED FOR MAKING OR MAINTAINING CLOCKS OR WATCHES
- G04D7/00—Measuring, counting, calibrating, testing or regulating apparatus
- G04D7/08—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels
- G04D7/082—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing
- G04D7/088—Measuring, counting, calibrating, testing or regulating apparatus for balance wheels for balancing by loading the balance wheel itself with material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49579—Watch or clock making
- Y10T29/49581—Watch or clock making having arbor, pinion, or balance
Definitions
- the invention relates to a method for improving the pivoting of a mobile or a mobile equipped for scientific instrument or timepiece, comprising at least one shaft arranged to pivot or oscillate about an axis of oscillation aligned with a mobile axis constituted by the axis of said shaft.
- the invention also relates to a mobile for scientific instrument or timepiece, comprising at least one shaft arranged to pivot or oscillate about an axis of oscillation aligned on a mobile axis constituted by the axis of said shaft, and comprising less a flange connected to said movable shaft and protruding radially from said shaft, said flange being substantially perpendicular to said axis of moving.
- the invention also relates to a mobile equipped for scientific instrument or timepiece comprising such a mobile.
- the invention also relates to a mechanism for scientific instrument or timepiece comprising such a mobile equipped and / or such a mobile.
- the invention also relates to a scientific instrument comprising such a mechanism and / or such a mobile equipped and / or such a mobile.
- the invention relates to the field of precision mechanics, in particular mechanical scientific equipment, and in particular the fields of meters and precision devices comprising mechanisms for measuring, displaying or comparing a flow rate, consumption, or time, comprising components movable pivotally or oscillating about an axis.
- the quality of the guides of certain components moving in rotation or oscillation about an axis is of great importance, for the reproducibility over time of the measurements made or the signals generated. Any defect in the guides, between the pivots of the mechanism on the one hand and on the other hand the bearings, that a component shaft has, results in a poor precision, but also in a wear and a degradation of the performances in the time.
- the geometric quality of the machining is a necessary condition for precision operation, but this condition is often not enough.
- the vibration behavior in particular in the presence of unbalance, directly influences the pressures exerted on the bearings, and therefore the lubrication constraints, and the maintenance constraints especially in case of replacement or rebuilding bearings or / and pivots to restore the quality of the guides after wear.
- the invention proposes to provide a solution to ensure a reduction of friction in the guides of the rotating components of such precision mechanisms, and to improve the accuracy of operation of these mechanisms. It also seeks to allow an increase in rotation speeds and / or oscillation frequencies of the components concerned.
- the search for a better precision leads to seek a better setting of the mobile, in particular by the execution of a dynamic balancing of quality.
- the invention proposes to balance the mobile dynamically, that is to say, to bring its main axis of inertia on the axis of rotation.
- the invention relates to a method for improving the pivoting of a mobile or a mobile equipped for scientific instrument or timepiece, comprising at least one shaft arranged to pivot or oscillate about an axis of oscillation aligned on a mobile axis constituted by the axis of said shaft, characterized in that:
- a target unbalance moment value resulting from said moving body is determined around said mobile axis, corresponding to a predetermined target divergence between a first principal axis of longitudinal inertia of said mobile, and said axis of the mobile;
- said mobile is rotated at a predetermined speed about said mobile axis, and its resulting unbalance moment is measured with respect to said mobile axis; an adjustment is made of the value of the unbalance moment resulting from said mobile about said mobile axis in a given determined tolerance with respect to said target value
- said adjustment is made by machining on either side of a median plane comprising the two secondary axes of inertia of said mobile.
- said adjustment is made by adding or / and displacement or / and removal of asymmetrical material with respect to a plane defined by the other two main axes of inertia of said mobile or equipped mobile.
- the invention also relates to a mobile for scientific instrument or timepiece, comprising at least one shaft arranged to pivot or oscillate about an axis of oscillation aligned on a mobile axis constituted by the axis of said shaft, and comprising less a flange connected to said movable shaft and protruding radially from said shaft, said flange being substantially perpendicular to said axis of moving, characterized in that it comprises, of manufacture, a first main axis of longitudinal inertia adjacent to said axis of mobile or confused with it, and two other main axes of inertia together defining a median plane, and in that said flange comprises a plurality of housings each receiving a movable mass adjustable in position in said housing concerned, or only in a parallel direction said axis of mobile, or only in a plane perpendicular to a radial end of said mobile axis.
- said median plane is located in the thickness of said flange.
- the invention also relates to a mobile equipped for scientific instrument or timepiece comprising such a mobile, characterized in that it further comprises a drive means, or / and a means of recall or elastic repulsion, and / or a means of return or magnetic repulsion, or / and a means of return or repulsion electrostatic.
- the invention also relates to a mechanism for scientific instrument or timepiece comprising such a mobile equipped and / or such a mobile.
- the invention also relates to a scientific instrument comprising such a mechanism and / or such a mobile equipped and / or such a mobile.
- FIG. 1 shows, schematically and in longitudinal section, an example of mobile equipped according to the invention
- FIG. 2 shows, schematically and in section along a plane passing through the axis of the mobile, different machining variants 2A to 2F achievable for the implementation of the static and dynamic balancing method according to the invention
- FIG. 4A in plan view
- FIG. 4B in section, with movable masses on or under rails incorporated in windows of a flange of the mobile
- FIG. 1 with a flange having a peripheral portion connected to an axial core by fasteners, this peripheral portion being split and deformable at the level of the different sections that it comprises, each carried by one of these fasteners;
- FIG. 12 is a diagrammatic sectional view along a plane passing through the axis of the mobile, a smooth mass adjustable in axial position in a housing, FIG. 13 is a grooved mass, and FIG. mass trapped relative to a flange of the mobile.
- FIG. 15 schematically and schematically shows a scientific instrument comprising a mechanism with a mobile equipped according to the invention
- FIGS. 16A and 16B show, in end and side view, a pre-realization of a mobile with a moment of impending unbalance imposed or forced.
- mobile is meant, in the following description, any tree component movable pivoting or oscillation about a so-called mobile axis D, corresponding to the axis of the tree portion.
- This mobile may, if necessary, but not necessarily, have teeth, gears, other drive means such as grooves or bearings, as well as fastening elements or cooperation with a drive means, or / and a means elastic booster or repulsion, or / and a magnetic booster or repulsion means, or / and an electrostatic booster or repulsion means, or the like.
- the invention relates to a method of improving the pivoting of a mobile 1 or a mobile 40 equipped for scientific instrument or timepiece.
- This mobile 1 comprises at least one shaft 10 arranged to pivot or oscillate about an axis of oscillation aligned on a mobile axis D constituted by the axis of this shaft 10, and preferably at least one flange 2 of space diametrical to that of the shaft 10.
- the mobile is reduced to the shaft 10 alone, it remains possible to carry out a dynamic balancing using certain implementation variants of the invention, applicable to such a device.
- a target unbalance moment value is determined, describing its dynamic unbalance, of the mobile or mobile equipped around the mobile axis, corresponding to a target divergence, in particular in certain applications a target divergence, predetermined between a first main axis; longitudinal inertia of the mobile, and the axis of the mobile D;
- this mobile or mobile equipped around the mobile axis D is rotated at a predetermined speed, and its resulting unbalance moment with respect to the mobile axis D is measured with at least one measurement;
- this adjustment is made by machining on either side of a median plane P comprising the two secondary axes of inertia of the mobile.
- said target unbalance moment target value is determined in the form of a maximum allowable unbalance moment value resulting from the mobile or mobile equipped around the mobile axis, this maximum value corresponding to a predetermined maximum angular divergence between a first main axis of longitudinal inertia of the mobile or mobile equipped on the one hand, and the axis of the mobile on the other hand.
- the adjustment of the value of the dynamic balancing moment of the mobile or equipped mobile then has the effect of bringing the first main axis of longitudinal inertia of the mobile axis, below the predetermined maximum angular divergence.
- this adjustment is made by addition or / and displacement or / and removal of asymmetrical material. relative to a plane defined by the other two main axes of inertia of the mobile or equipped mobile.
- an addition or / and displacement or / and removal of material is carried out at the level of the shaft of the mobile 1 or the equipped mobile 40.
- an addition is made and / or displacement and / or removal of material at the level of at least one arm that comprises the mobile 1 or mobile equipped 40 between this shaft and another eccentric part of the mobile.
- this predetermined speed of rotation is fixed at the maximum calculated angular velocity for the mobile or equipped mobile, considered during its oscillation in service.
- cylindrical or corrugated housings arranged to receive are machined.
- cylindrical or fluted masses movable in an axial direction parallel to the axis of mobile. And then performs all or part of the adjustment by displacement of such moving masses inserted in some of these housing, relative to the plane defined by the other two main axes of inertia of the mobile or equipped mobile. In the absence of flange, the machining of such housing on the shaft 10 of the mobile.
- a flange which comprises the mobile or mobile equipped, with a mal-dish of a predetermined value, is machined.
- an unbalance or / and a moment of unbalance resulting in a particular angular direction is created voluntarily, and offset with respect to the median plane P.
- FIGS. 16A and 16B thus illustrate thicknesses 31 and 32, on either side of the plane P, and together substantially defining a plane PS passing through the axis of the mobile D.
- a large controlled unbalance is created, which makes it easier to fine unbalance corrections for static balancing and dynamic balancing. This forces the correction in a certain zone around this plane PS passing through the axis D.
- the following nonlimiting methods can be advantageously used, combinable with each other, and applicable at the level of a flange 2 or of the shaft 10 of the moving part, or else of connection arms between the tree and a peripheral mass, or at such peripheral masses:
- machining by milling or turning or abrasion or the like laser ablation or microlaser or nanolaser or picolaser or femtolaser, breakage of breakable elements held by fragile fasteners;
- liquid projection for solid solidification on the mobile especially by inkjet or the like, solid objects reported in a fixed position
- the figures show, in a nonlimiting manner, adjustments made on a flange of mobile, since it is easier to make an inertia correction near the largest diameter of the mobile, allowing to make only corrections minimal mass. To simplify the representation, only this flange is illustrated, without complete representation of the mobile tree. Naturally, the arrangements described are also applicable to other forms of mobile, and machining or adjustment components can be positioned on other parts of the mobile, depending on their accessibility.
- the machining is performed from and others of this plane P.
- the non-limiting figures illustrate different possibilities: on either side of the median plane (FIGS. 2A, 2C, 2D, 2E), internal / external machining with respect to the flange (FIGS. 2C , 2D), volume and radial positioning different from the axis of the mobile (Figure 2B), machining performed axially from the same side of the flange (2B, 2E) or from the opposite sides ( Figure 2A).
- the flange 2 is machined with a malfle of a predetermined value, with a moment of unbalance resulting in a particular angular direction. and a predetermined value, and shifted with respect to the median plane P.
- this flange 2 is made with extra thicknesses 31, 32, on either side of the median plane P, which together substantially defines a plane PS passing through the axis of the moving part D, these overthicknesses 31, 32, constituting together an unbalance controlled, and we force the correction in a certain area around this plane PS.
- FIGS. 3A and 3B illustrate a mobile device 1 comprising breakable and / or collapsible weights 6, 6A and 6B distributed on either side of a median plane P of the flange 2.
- the breaking of a thin fastener 6C makes it possible to obtain a differential of inertia with respect to the axis D, and the large number of weights 6, of the order of thirty per level in the example of the figure, allows an adjustment with respect to the direction of the moment resulting unbalance measured.
- FIG. 11 illustrates a flange 2 comprising a peripheral portion 2B connected to an axial core 2A by fasteners 23A, 23B, 23C, 23D, this peripheral portion 2B being slotted by slots 20, and deformable at the various portions 19A, 19B , 19C, 19D it carries, each worn by one of these ties.
- plastic deformation of all or part of the fasteners 23A, 23B, 23C, 23D is performed to straighten or otherwise wave the flange 2.
- a fastener 23A carries a section in the form of sector 19A, whose ends 21A and 22A are movable relative to the radial direction R of the fastener considered, here 23A, and, by twisting of this fastener, the two ends are distant on either side of the median plane flange at rest.
- Each fastener 23A, 23B, 23C, 23D may be deformed independently of the others.
- the fastener may be rigid, and the sector of flange deformable. In another variant, they can both be deformable, however the measurement is less easy, especially in case of reverse setting.
- Figure 12 shows a smooth mass 26 adjustable in axial position in a housing 25, in a direction A parallel to the axis of mobile D.
- Figure 13 shows a fluted mass 27 movable in an ad hoc housing.
- FIG. 14 shows a prisoner mass relative to the flange 2 of the mobile 1, with a head 28 on one side of the flange 2, and a rivet 29 or a bubble expansion on the other side of the flange 2.
- the displacement according to FIG. the direction A allows adjustment in dynamic balancing, the smooth masses 26 or fluted 27 can, again, be graduated or notched in the direction A to facilitate adjustment, according to a calculation by a control means of the dynamic balancing process.
- FIG. 7 shows adjustment screws 14 in housings 15 of the flange 2, mounted parallel in a direction A to the axial direction D of the mobile 1.
- Figure 8 comprises adjusting screws 14 similar to those of Figure 7, arranged alternately on (screw 14A) and under (screw 14B) the flange 2 of the mobile 1, in corresponding housings 15A and 15B.
- the reverse mounting with a nut on a threaded shaft, is also suitable. In either case, it is advantageous to use slightly different steps between the male component and the female component to improve the service life.
- FIGS. 4A and 4B illustrate mobile masses on or under rails 3 incorporated in windows of a flange 2 of mobile 1.
- These movable masses are constituted in particular by sliding stirrups 8 each comprising an immobilizing screw 7, here represented in a direction A axial parallel to the axis D of the mobile 1.
- the screw 7, and especially the head of this screw can to be placed on one side or the other of the mobile 1.
- the adjustment component can also be clipped on an arm 3 or on the flange 2 of the mobile 1.
- it may consist of a flexible object clipped on a rigid part, for example a flyweight on an axis, or a rigid object clipped into a flexible part, for example an axis in a slot.
- An adjusting component may also be an additional component simply bonded, welded, or riveted to the structure of the mobile.
- FIG. 5 illustrates, in a first variant, a mobile 1 with at least one deformable blade 9, with a component in the axial direction A parallel to the axis D of the mobile.
- the deformation of each blade 9 is printed by a set screw 7, here shown fixed in a threaded housing 7A of the rail 3.
- such screws can also be carried by the flange 2.
- at least one blade Flexible 9 equips each side of the mobile 1.
- the differential adjustment of inertia is provided both by the displacement of each adjusting screw 7 according to its direction A, and by the deformation of the corresponding flexible blade 9.
- the flexible blade 9 is held at one end 9E, near the axis of the mobile 1, and is free at its other end, which it advantageously comprises an additional mass 9A.
- the deformable blade 9 can be designed for use in a field of elastic deformation, in the optics of setting resets, or in the field of plastic deformation, in case of unique adjustment of the mobile. If the example of the figure illustrates a deformation of the flexible blade by a screw, the deformation controlled by the mechanism of a nut, or another mobile or deformable component, is naturally conceivable. A second variant of this adjustment by bending implements a displacement of the fixing of the flexible part, possibly provided with notches, and with a support of the flexible part against a cam or a fixed zone.
- FIG. 6 illustrates a mass 130 orientable angularly with respect to a window 2F that comprises a flange 2 of the mobile 1, and comprising an arc 13 resting on a first edge 2H and under a second edge 2G of this window 2F.
- the mass 30 is angularly adjustable relative to the flange 3, at an angle to the center a.
- This orientable mass 130 comprises a bearing washer 11 bearing on a bearing surface of the moving part 1, in particular a bearing surface of the shaft 10.
- This bearing washer 1 1 is integral with an arm 12, preferably flexible, which is itself secured to the arc 13, preferably of greater rigidity in torsion than that of the arm 12.
- This arc 13 bears, at a first end 13A on a first edge 2H, and at a second end 13B in a second edge 2G of this window 2F.
- the pivoting imposed on the orientable mass 13 forces it to take a particular twisting which makes it possible to modify the dynamic balancing of the mobile 1.
- the arm 12 is rigid, and the bow 13 deformable. In another variant, they can both be deformable, however the measurement is less easy, especially in case of reverse setting.
- the adjustment components are installed in symmetry two by two with respect to the axis D of the mobile 1.
- symmetrical adjustments of the components of such a pair do not alter the static balancing of the mobile.
- each adjustment component is movable independently of the others.
- FIGS 9 and 10 illustrate two cases of application.
- FIG. 9 illustrates this configuration, with a mobile 1 comprising adjustment screws 16 mounted in housings 17 in the flange 2, preferably mounted in the median plane P of the flange 2 in radial directions R with respect to the axis D of mobile.
- These adjusting screws 12 comprise heads which are not of revolution, but which are symmetrical with respect to the screw axis R, and whose angular position of the wings 16A and 16B makes it possible to modify the dynamic balancing.
- the screw head takes the form of a bar.
- the projection of this bar on a plane tangent to the flange 2 is at an angle ⁇ comparable to a helix angle.
- the center of inertia of the adjustment component is located outside the axis of rotation of the component. It is then systematically necessary to perform a symmetrical rotation of the opposite component of the pair.
- the mobile 1 comprises asymmetric adjustment screws 18 whose head is asymmetrical with respect to the screw axis, and comprises a wing 18B with a moment of inertia greater than that of the other wing 18A relative to the radial screw axis R.
- the screw head takes the form of a bar.
- the projection of this bar on a plane tangent to the flange 2 is at an angle ⁇ comparable to a helix angle, and we see in the figure that the components are oriented in pairs symmetrically with respect to their respective radial axis R .
- the invention also relates to a mobile 1 for a scientific instrument or timepiece, comprising at least one flange 2 connected, either directly or by at least one arm, to a mobile shaft 10 aligned on a mobile axis D.
- This flange 2 is preferably substantially perpendicular to the mobile axis D.
- This mobile 1 is arranged to oscillate about an axis of oscillation aligned on this mobile axis D.
- this mobile 1 comprises, of manufacture, a first main axis of longitudinal inertia adjacent to this axis of mobile D or coincident with it, and two other main axes of inertia together defining a median plane P.
- this median plane P is located in the thickness of the flange 2.
- this flange 2 comprises a plurality of housings each receiving a movable mass adjustable in position in the housing concerned, or only in a direction A parallel to the axis of mobile, or only in a plane perpendicular to a radial R from the mobile axis D.
- each such housing or / and each such moving mass comprises resilient return means for holding in position this mobile mass in this housing.
- the invention also relates to a mobile 40 equipped for scientific instrument or timepiece comprising at least one such mobile 1, and further comprises at least one drive means, and / or elastic biasing or repulsion means, and / or magnetic return or repulsion means, or / and a means of return or electrostatic repulsion, attached to the at least one mobile.
- the invention also relates to a scientific instrument 60 comprising such a mechanism 50 or / and such a mobile equipped 40 or / and such a mobile 1.
- the invention allows a significant reduction of the forces on the pivots, a facilitated lubrication, and an increase in the lifetime of the mechanisms, and especially the useful life, that is to say the period during which the mechanism provides a reproducible response to an identical bias from a power source, or signal, or other mechanism or sensor, or the like.
- the invention makes it possible to improve the stability of the movement of a mobile thus dynamically balanced.
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12791819.1A EP2795409B1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivoting of a mobile device |
EP17192127.3A EP3376306A1 (en) | 2011-12-22 | 2012-11-30 | Mobile for time-keeping or scientific instrument |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11195125.7A EP2607970B1 (en) | 2011-12-22 | 2011-12-22 | Method for improving the pivoting of a mobile device |
CH02023/11A CH705928B1 (en) | 2011-12-22 | 2011-12-22 | A method for improving the pivot of a balance, balance, balance spring, and movement timepiece. |
EP12791819.1A EP2795409B1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivoting of a mobile device |
PCT/EP2012/074144 WO2013092173A1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivotal movement of a mobile body |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17192127.3A Division-Into EP3376306A1 (en) | 2011-12-22 | 2012-11-30 | Mobile for time-keeping or scientific instrument |
EP17192127.3A Division EP3376306A1 (en) | 2011-12-22 | 2012-11-30 | Mobile for time-keeping or scientific instrument |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2795409A1 true EP2795409A1 (en) | 2014-10-29 |
EP2795409B1 EP2795409B1 (en) | 2018-08-29 |
Family
ID=47257860
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17192127.3A Withdrawn EP3376306A1 (en) | 2011-12-22 | 2012-11-30 | Mobile for time-keeping or scientific instrument |
EP12791819.1A Active EP2795409B1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivoting of a mobile device |
EP12791818.3A Active EP2795408B1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivoting of a mobile device |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17192127.3A Withdrawn EP3376306A1 (en) | 2011-12-22 | 2012-11-30 | Mobile for time-keeping or scientific instrument |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12791818.3A Active EP2795408B1 (en) | 2011-12-22 | 2012-11-30 | Method for improving the pivoting of a mobile device |
Country Status (7)
Country | Link |
---|---|
US (2) | US9645551B2 (en) |
EP (3) | EP3376306A1 (en) |
JP (2) | JP5820543B2 (en) |
CN (2) | CN104169814B (en) |
HK (1) | HK1204497A1 (en) |
RU (2) | RU2573701C1 (en) |
WO (2) | WO2013092172A1 (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH709920A2 (en) * | 2014-07-24 | 2016-01-29 | Eta Sa Manufacture Horlogère Suisse | Set of mobile watch braking. |
EP3252546B1 (en) * | 2016-06-03 | 2019-08-28 | The Swatch Group Research and Development Ltd | Timepiece mechanism with balance wheel inertia adjustment |
JP7133909B2 (en) * | 2016-07-04 | 2022-09-09 | ロレックス・ソシエテ・アノニム | Watch assembly manufacturing method and watch assembly obtained by said manufacturing method |
DE102019207940A1 (en) * | 2019-05-29 | 2020-12-03 | Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg | Method for dynamic balancing of a body of revolution |
EP3839655A1 (en) * | 2019-12-18 | 2021-06-23 | Nivarox-FAR S.A. | Horological balance |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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US2239668A (en) * | 1938-07-29 | 1941-04-29 | Firm Manufacture Des Montres R | Balance wheel for watch movements |
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FR1206719A (en) * | 1957-05-08 | 1960-02-11 | Method and device for adjusting the frequency of oscillation of a pendulum or a balance by modifying the oscillating mass | |
CH390165A (en) * | 1962-08-20 | 1965-07-30 | Zenger Roger | Method for balancing a clockwork balance, device for implementing this method and balance balanced by this method |
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US4626147A (en) * | 1984-10-03 | 1986-12-02 | Whirlpool Corporation | Method of and apparatus for balancing a rotary body |
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US7500432B2 (en) * | 2005-10-28 | 2009-03-10 | Van Denend Mark E | Apparatus and method for balancing a printing roller having an image producing area on its outer surface |
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EP2099577B1 (en) * | 2006-12-06 | 2013-02-27 | Rego-Fix AG | Tool holder and method of balancing a tool holder |
US8240910B2 (en) * | 2006-12-21 | 2012-08-14 | Complitime S.A. | Mechanical oscillator for timepiece |
EP2104005A1 (en) * | 2008-03-20 | 2009-09-23 | Nivarox-FAR S.A. | Composite balance and method of manufacturing thereof |
EP3101484A1 (en) * | 2009-02-06 | 2016-12-07 | DAMASKO GmbH | Mechanical oscillation system for timepieces and method for manufacturing a mechanical oscillation system for watches |
EP2677369B1 (en) | 2010-06-11 | 2015-01-14 | Montres Breguet SA | High frequency balance wheel for timepiece |
EP2410387B1 (en) * | 2010-07-19 | 2016-07-06 | Nivarox-FAR S.A. | balance wheel with inertia adjustment without insert |
EP2410386B1 (en) * | 2010-07-19 | 2018-10-03 | Nivarox-FAR S.A. | balance wheel with inertia adjustment with insert |
EP2420900B1 (en) * | 2010-08-06 | 2019-02-27 | DAMASKO GmbH | Oscillating body, mechanical oscillating system for wristwatches with such an oscillating body and clock with such an oscillating system |
US9164485B2 (en) * | 2010-08-06 | 2015-10-20 | Damasko Gmbh | Oscillating body, mechanical oscillating system for wristwatches with such an oscillating body and watch with such an oscillating system |
EP2455825B1 (en) * | 2010-11-18 | 2016-08-17 | Nivarox-FAR S.A. | Method for matching and adjusting a timepiece subassembly |
-
2012
- 2012-11-30 US US14/366,913 patent/US9645551B2/en active Active
- 2012-11-30 WO PCT/EP2012/074143 patent/WO2013092172A1/en active Application Filing
- 2012-11-30 EP EP17192127.3A patent/EP3376306A1/en not_active Withdrawn
- 2012-11-30 EP EP12791819.1A patent/EP2795409B1/en active Active
- 2012-11-30 EP EP12791818.3A patent/EP2795408B1/en active Active
- 2012-11-30 RU RU2014130091/28A patent/RU2573701C1/en not_active IP Right Cessation
- 2012-11-30 JP JP2014547823A patent/JP5820543B2/en active Active
- 2012-11-30 RU RU2014130095/12A patent/RU2573811C1/en not_active IP Right Cessation
- 2012-11-30 WO PCT/EP2012/074144 patent/WO2013092173A1/en active Application Filing
- 2012-11-30 JP JP2014547822A patent/JP5820542B2/en active Active
- 2012-11-30 CN CN201280063718.4A patent/CN104169814B/en active Active
- 2012-11-30 US US14/367,768 patent/US9310774B2/en active Active
- 2012-11-30 CN CN201280063595.4A patent/CN104011609B/en active Active
-
2015
- 2015-05-26 HK HK15104981.6A patent/HK1204497A1/en unknown
Non-Patent Citations (1)
Title |
---|
See references of WO2013092173A1 * |
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US20150198927A1 (en) | 2015-07-16 |
JP5820542B2 (en) | 2015-11-24 |
CN104169814A (en) | 2014-11-26 |
EP2795408B1 (en) | 2018-01-24 |
EP2795409B1 (en) | 2018-08-29 |
HK1204497A1 (en) | 2015-11-20 |
EP2795408A1 (en) | 2014-10-29 |
CN104169814B (en) | 2017-03-15 |
US9645551B2 (en) | 2017-05-09 |
RU2573701C1 (en) | 2016-01-27 |
JP2015508492A (en) | 2015-03-19 |
JP5820543B2 (en) | 2015-11-24 |
WO2013092173A1 (en) | 2013-06-27 |
CN104011609B (en) | 2017-10-24 |
WO2013092172A1 (en) | 2013-06-27 |
JP2015511307A (en) | 2015-04-16 |
EP3376306A1 (en) | 2018-09-19 |
US9310774B2 (en) | 2016-04-12 |
RU2573811C1 (en) | 2016-01-27 |
US20140355397A1 (en) | 2014-12-04 |
CN104011609A (en) | 2014-08-27 |
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