EP4202573A1 - Mechanismus zur animation eines objekts für uhr - Google Patents

Mechanismus zur animation eines objekts für uhr Download PDF

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Publication number
EP4202573A1
EP4202573A1 EP21216235.8A EP21216235A EP4202573A1 EP 4202573 A1 EP4202573 A1 EP 4202573A1 EP 21216235 A EP21216235 A EP 21216235A EP 4202573 A1 EP4202573 A1 EP 4202573A1
Authority
EP
European Patent Office
Prior art keywords
pivot axis
frame
rotation
drive wheel
drive
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
EP21216235.8A
Other languages
English (en)
French (fr)
Inventor
Stephen Forsey
Florian Corneille
Anaïs HAMEL
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.)
Complitime SA
Original Assignee
Complitime SA
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 Complitime SA filed Critical Complitime SA
Priority to EP21216235.8A priority Critical patent/EP4202573A1/de
Priority to PCT/EP2022/085828 priority patent/WO2023117622A1/fr
Publication of EP4202573A1 publication Critical patent/EP4202573A1/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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/042—Fastening of jewels and the like
    • 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
    • G04B45/00—Time pieces of which the indicating means or cases provoke special effects, e.g. aesthetic effects
    • G04B45/0007—Light-, colour-, line-, or spot-effects caused by parts or pictures moved by the clockwork
    • 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
    • G04B47/00—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece
    • G04B47/04—Time-pieces combined with other articles which do not interfere with the running or the time-keeping of the time-piece with attached ornaments or amusement apparatus
    • G04B47/044—Movable decorations and parts thereof

Definitions

  • the present invention relates to the field of watchmaking. It relates, more particularly, to a mechanism for animating at least one object such as one or more jewels, one or more precious or semi-precious stones, one or more sculptures or any other object or miniature objects or combination of the latter, adapted to be integrated into a timepiece.
  • the document FR2988866 describes a mechanism for animating a precious or semi-precious stone, in which a mainspring is arranged to animate the stone according to a rotational movement around a single axis of rotation, by means of a flexible belt .
  • the stone is mounted on a shaft by four claws or jaws, which hold it in place.
  • the movement of the stone is monotonous and only reveals one of its faces, which always presents the same angle to the wearer and therefore limits its visibility.
  • the scintillation of the stone is thus relatively limited and the user is obliged to observe it from an acute angle in order to visualize more than its crown.
  • the document US4734895 describes a mechanism for animating a stone, arranged in such a way that the latter performs rotations around the dial. To do this, the stone is fixed on a lever pivotally mounted around the center of the movement, and the movements of the user's wrist generate movements of the stone under the effect of gravity. However, if the piece is not moving, the stone remains stationary.
  • the object of the invention is, therefore, to provide an animation mechanism in which the aforementioned defects are at least partially overcome.
  • the invention relates to a mechanism for animating at least one object for a portable timepiece, as defined by claim 1.
  • Said support system comprises a first frame pivotally mounted on said turntable about said first pivot axis, and an inner frame pivotally mounted in said first frame about a second pivot axis which is substantially orthogonal to said first axis of pivoting.
  • Said object is carried by a shaft pivotally mounted in said inner frame about a third pivot axis, said shaft being integral in rotation with a pinion meshing with a toothing which is coaxial with said drive wheel and is separate from the latter, said toothing being fixed or arranged to be rotated. This toothing is typically carried by a secondary wheel.
  • said drive element which may be a lever, a crank or the like, cooperates with one end of said shaft.
  • the pinion is thus forced to remain in engagement with the teeth with which it meshes, without any need to provide other means for this purpose.
  • the ratio of diameters between said pinion and said toothing is at least 5, preferably between 5 and 400, more preferably between 5 and 50, and more preferably between 5 and 20.
  • said turntable is located outside of said frame element, surrounding it in its plane.
  • the mechanism further comprises a regulating system such as an escapement-balance-spring system, tuning fork, quartz system, a centrifugal regulator, a paddle wheel rotating in air or in a liquid, a mono- , bi- or triaxial, a carousel or the like, arranged to be driven by said driving source and thus adjust the speed of rotation of said object.
  • a regulating system such as an escapement-balance-spring system, tuning fork, quartz system, a centrifugal regulator, a paddle wheel rotating in air or in a liquid, a mono- , bi- or triaxial, a carousel or the like, arranged to be driven by said driving source and thus adjust the speed of rotation of said object.
  • the mechanism forming the subject of the invention can, of course, be integrated into a timepiece, such as for example a wristwatch or a pocket watch, but also a table clock.
  • FIG. 1 illustrates an animation mechanism according to the invention integrated into a timepiece.
  • the animation mechanism 1 comprises a frame element 3 which serves as a support for the other components of said mechanism 1, and which can be fixed to the frame (for example on a plate or a bridge) of a basic movement M or can be integrated with such a frame.
  • the driving source 5 can be dedicated to the animation mechanism 1, or can be shared with the watch movement M arranged to drive display members 9 of any type and in a known way, which surmount a dial 10 ( if present).
  • the driving source 5 can be a rod, bolt or similar, arranged to be manipulated by the user, or an oscillating mass.
  • the driving source 5 is preferably arranged to drive a regulating system 11 (in particular but not exclusively in the case where the driving source is a mainspring), which can be of any known mechanical type, such as, for example, a centrifugal regulator , a paddle wheel rotating in air or in a liquid, a tuning fork regulator, an escapement-balance-spring regulator, a mono-, bi- or triaxial tourbillon, a carousel or any other system (or combination of systems ) similar.
  • the regulating system 11 can also be of the electric or electronic type (for example a quartz regulator).
  • the driving force regulated by the regulating system 11, rotates a drive wheel 12 pivotally mounted on the frame element 3, for example on a cylindrical bearing surface 3a of the latter, by means of a ball bearing or any other kind of known bearing.
  • the nature of the kinematic connection between the driving source 5 and the drive wheel 12 is not important, and can take any suitable form, being composed of wheels, sprockets, belts, chains, combinations of these, etc.
  • an intermediate mobile 14 is provided for this purpose.
  • a drive element 15 is mounted integral in rotation with the drive wheel 12, and is used to drive a support system 13 around the axis of rotation A of the latter, as will clearly follow.
  • the drive element 15 is a lever, but it can also be a disc, a sector or the like, or can even be integrated into the drive wheel 12.
  • the support system 13, as well as the decorative object 7 (or several grouped decorative objects) that it carries, are off-center with respect to the axis A of the drive wheel, defined as the main pivot axis A (which is a geometric axis rather than a tree).
  • the support system 13 and the decorative object 7 are not intersected by the axis A (that is to say they are far from the latter), but the reverse can alternatively be the case.
  • the support system 13 is thus arranged to perform an orbital movement around the axis A.
  • the object 7, and possibly also the whole of the support system 13, can be located so as not to be superimposed on the dial 10 (if present), so that these elements orbit around it. Alternatively, these elements can be at least partially superimposed, or at least partially below, dial 10.
  • the support system 13 is mounted, via a pair of pivots 13a carried by supports 13m, on a turntable 17 of annular shape, which is itself pivotally mounted on the frame element 3 by through a ball bearing or any other suitable type of bearing. Consequently, the turntable 17 surrounds the frame element 3.
  • the turntable 17 can be of any shape, and/or can be pivoted on a shaft or on any span with which the frame element 3 is provided.
  • the pivots 13a define a first pivot axis A1, around which is pivoted a first frame 13b consisting of an annular ring of generally circular shape. Other shapes (oval, square, rectangular, etc.) are also possible.
  • This frame carries a pair of intermediate pivots 13d, which define a second pivot axis A2, substantially orthogonal with respect to said first axis A1.
  • An inner frame 13f is pivotally mounted around this second axis A2, and is integral with a base 13g which directly or indirectly carries the animated object 7.
  • the inner frame 13f consists of a part having a substantially circular shape, as well as only two arms 13f1 which connect the pivots 13d to the base 13g. It goes without saying that other shapes are also possible, and it is not even mandatory that the frame 13f includes the annular part. Indeed, the base 13g can simply be connected to the pivots by the arms 13f1 or by another ad hoc arrangement.
  • At least one of the frames 13b, 13f can be provided with any decoration, for example enamelling, precious or semi-precious stones, or any other desired decoration.
  • at least one of the shafts of the pivots 13d, 13a can exceed the surface of the element that it crosses, that is to say the outer surface of the first frame 13b for the pivots 13d, or the surface exterior of the support 13m in the case of the pivots 13a, and can carry a decoration, such as, for example, a precious or semi-precious stone. The movement of this stone will therefore generate scintillations which will accentuate the perception of the pivoting of the frame to which the stone is integral in rotation.
  • the animated object 7 is supported by a shaft 13h, which passes through the base 13g and which is integral with a support 13j in which the animated object 7 is fixed by crimping.
  • the object 7 can be fixed there by gluing, screwing, welding, driving in or the like, depending on the nature of the object 7 and of the support 13j, and it is noted that the animated object 7 can be coaxial with the shaft 1 p.m., or may be offset from the latter.
  • the connection between the animated object 7 and the inner frame 13f may comprise a flexible element, for example made of elastomer, to allow a slight "floating" of the object under the effect of the movement of the part.
  • the shaft 13h is mounted in bearings 13k provided in the base 13g so that said shaft 13h can pivot relative to the latter.
  • the support system defines a gimbal support, which gives the animated object 7 two degrees of freedom in rotation, and substantially no degree of freedom in translation.
  • the pivoting of the shaft 13h in the base 13g confers a third degree of freedom in rotation to the animated object 7 around a third axis A3, which corresponds to the geometric axis of the shaft 13h.
  • the axis A3 is advantageously orthogonal to each of the axes A1 and A2, but this is not compulsory.
  • the drive of the animated object 7 around the third axis A3 is provided by the cooperation between a pinion 13l consisting of a toothing that includes the shaft 13h and a conical toothing 19a that includes a secondary wheel 19 which is coaxial to drive member 15 and is fixed in the illustrated construction.
  • a pinion 13l consisting of a toothing that includes the shaft 13h
  • a conical toothing 19a that includes a secondary wheel 19 which is coaxial to drive member 15 and is fixed in the illustrated construction.
  • Other forms of toothing are also possible, such as, for example, an internal conical toothing carried by a crown, or other ad hoc gears.
  • the secondary wheel 19 can also be rotated by an ad hoc mechanism in order to provide a rotation of the object 7 around the axis A3 which is faster, slower and/or which is in the other direction than that obtained with a secondary wheel 19 fixed.
  • the drive element 15 cooperates with one end of the shaft 13h so as to cause the support system 13 as well as the turntable 17 to pivot around the axis A, while maintaining the pinion 13l in engagement with the toothing 19a.
  • the drive element 15, or another element integral in rotation with drive wheel 12 can also cooperate directly or indirectly with turntable 17, for example through cooperation between a pin and an oblong slot provided on these two elements.
  • the drive element 15 can cooperate with the turntable 17.
  • other means can be provided to ensure the engagement between the pinion 13l and the toothing 19a, as well as the positioning from the tree 1 p.m.
  • the animated object 7 is pivoted around the central axis A, while it pivots around its own pivot axis A3, the angle formed between these two axes remaining constant during the rotations.
  • the object is thus made very visible, and in the case of a stone, the scintillations can be accentuated.
  • the illustrated construction facilitates the adaptation of the angle formed between the axes A and A3 at the time of construction, for example in order to optimize the scintillations of a precious stone of any shape.
  • the manufacturer can simply adapt the diameter of the secondary wheel 19, as well as the meshing angle between the pinion 13l and the toothing 19a. In doing so, it is possible that the axis A3 intersects with the main pivot axis A on the dial side (i.e. in the direction of an observer) or on the back side of the mechanism (i.e. that the object is moving respectively inward or outward depending on an observer's point of view.)
  • the support system 13 is separate from the regulating system 11, the latter simply serving to determine the speed of rotation of the drive wheel 12 and the movements of the animated object 7.
  • the animated object 7 does not form part of the regulating system 11 as a functional or support element, is not mounted on an element of the latter, does not carry any element of the regulating system 11 and can be considered kinematically parallel to the latter.
  • the support system 13 can be located inside, or superimposed , a polished shaft (not shown), which may for example take the form of a goblet, a parabolic, elliptical, hemispherical or similar mirror, which is arranged to direct ambient light onto the underside of the object.
  • a light source for example a tritium element, one or more LEDs or the like
  • the object 7 is a stone, its scintillations can be enhanced.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Adornments (AREA)
EP21216235.8A 2021-12-21 2021-12-21 Mechanismus zur animation eines objekts für uhr Pending EP4202573A1 (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP21216235.8A EP4202573A1 (de) 2021-12-21 2021-12-21 Mechanismus zur animation eines objekts für uhr
PCT/EP2022/085828 WO2023117622A1 (fr) 2021-12-21 2022-12-14 Mecanisme d'animation d'un objet pour piece d'horlogerie

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP21216235.8A EP4202573A1 (de) 2021-12-21 2021-12-21 Mechanismus zur animation eines objekts für uhr

Publications (1)

Publication Number Publication Date
EP4202573A1 true EP4202573A1 (de) 2023-06-28

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ID=78957760

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21216235.8A Pending EP4202573A1 (de) 2021-12-21 2021-12-21 Mechanismus zur animation eines objekts für uhr

Country Status (2)

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EP (1) EP4202573A1 (de)
WO (1) WO2023117622A1 (de)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734895A (en) 1987-07-20 1988-03-29 Jewelmasters, Inc. Novelty watch construction
US5457663A (en) * 1993-12-10 1995-10-10 Mejaski; Stephen G. Astronomical time clocks
JPH1048353A (ja) * 1996-07-31 1998-02-20 Rhythm Watch Co Ltd 回転飾り装置
FR2988866A1 (fr) 2012-04-02 2013-10-04 Daniel Messerli Montre analogique munie d'un mobile decoratif
EP3772674A1 (de) * 2019-08-07 2021-02-10 CompliTime SA Animationsmechanismus für schmuck- oder juwelierartikel

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4734895A (en) 1987-07-20 1988-03-29 Jewelmasters, Inc. Novelty watch construction
US5457663A (en) * 1993-12-10 1995-10-10 Mejaski; Stephen G. Astronomical time clocks
JPH1048353A (ja) * 1996-07-31 1998-02-20 Rhythm Watch Co Ltd 回転飾り装置
FR2988866A1 (fr) 2012-04-02 2013-10-04 Daniel Messerli Montre analogique munie d'un mobile decoratif
EP3772674A1 (de) * 2019-08-07 2021-02-10 CompliTime SA Animationsmechanismus für schmuck- oder juwelierartikel

Also Published As

Publication number Publication date
WO2023117622A1 (fr) 2023-06-29

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