Jewelry item

Abstract

A jewelry item (100) comprising: - a first ring (110), - a second ring (120), - a main joint (130) arranged between the first ring (110) and the second ring (120) so as to allow rotation between: a first position in which a first face of the first ring (110) is abutted or opposite a first face of the second ring (120), and a second position in which a second face of the first ring (110) is abutted or opposite a second face of the second ring (120), characterized in that the main joint (130) comprises at least one retaining device arranged to retain the first ring (110) and the second ring (120) in at least one of the first or second positions. Figure for the abbreviation: Fig. 1

Description

Title of the invention: Jewelry item Technical field of the invention

[0001] The present invention relates generally to a piece of jewelry, and more specifically to jewelry with multiple parts to be worn by a user, such as rings or earrings. More specifically, the present invention relates to a piece of jewelry such as a ring, bracelet, or necklace that may comprise several parts to be worn by a user, such as rings or earrings articulated together. State of the art

[0002] In the prior art of jewelry articles, document FR2705539A1 is known, which discloses a jewelry article with two rings that can be folded against each other. However, this system may present drawbacks related to the bulk and volume required at the joint to provide an article that is easy to wear. It should also be noted that no aesthetic and / or discreet solution is offered for keeping the rings joined together in a way that would facilitate use, particularly the action of putting on, taking off, or handling the jewelry article. Description of the invention

[0003] One object of the present invention is to address the disadvantages of the prior art mentioned above and in particular, first of all, to offer an article of jewelry that is aesthetic and / or compact, and / or has a discreet joint, and yet provides easy use or handling.

[0004] To this end, a first aspect of the invention relates to a piece of jewelry, comprising: - a first ring, - a second ring, - a main joint arranged between the first ring and the second ring so as to allow relative rotation of the first ring with respect to the second ring between: • a first position in which a first face of the first ring is adjacent to or opposite a first face of the second ring and • a second position in which a second face of the first ring is attached to or opposite a second face of the second ring, characterized in that the main joint includes at least one retaining device arranged to retain the first ring and the second ring in at least one of the first or second positions.

[0005] According to the above embodiment, the main joint itself includes a retaining device arranged to hold the first and second rings in at least one of the first or second positions, thus providing an integrated, discreet, and therefore aesthetically pleasing solution. It can also be noted that holding the rings in at least one of the first or second positions facilitates handling of the jewelry item, particularly for installing, putting on, or positioning it.

[0006] The jewelry article can further be defined by the following characteristics, taken individually or in combination.

[0007] According to one embodiment, the first face and / or the second face of the first or second ring forms a lateral surface, an edge surface, or a side of the first or second ring. In other words, the first face and / or the second face of the first or second ring is parallel, or substantially parallel, to a plane containing the first or second ring. In other words, the first face and / or the second face of the first or second ring are the two extremal surfaces of the first or second ring, along an axial direction passing through the center of the first or second ring.

[0008] According to one embodiment, the first ring and / or the second ring is an open ring, or a closed ring, or a loop, or a closed loop, or an open loop. In any case, the first ring and / or the second ring is arranged to at least partially encircle a limb of the user without coming undone or falling off.

[0009] According to one embodiment, the restraint device comprises at least one main locking device with at least: - a tracking index, and - a control track, movable relative to the follower index and comprising at least one receiving counter-form designed to receive the follower index, - a flexible portion designed to allow relative elastic movement between the follower index and the control track, The flexible portion is designed to relax when the receiving counterform receives the following index finger, thus retaining the first and second rings in either the first or second position. The elastic portion forces the following index finger to remain within the counterform, providing a hold in either the first or second position that is either reversible and / or requires some effort to release.

[0010] According to one embodiment, said at least one main locking device comprises a locking pin comprising: - a first free end, forming the follower index, - a second end that is fixed to a part that moves relative to the control track, - the flexible portion, arranged between the first and second ends. Such a pin has a small footprint and can be installed near a rotating shaft, for example, to cooperate with the control track. This type of pin can be a metal shaft acting as a spring-loaded leaf. The second, recessed end can be driven into a component of the jewelry item.

[0011] According to one embodiment, said at least one main locking device comprises at least two locking pins, each comprising: - a first free end, forming a follower index, - a second end that is fixed to a part that moves relative to the control track, - The flexible portion, arranged between the first end and the second end, and the control track, includes at least two receiving counterforms, each arranged to receive a first free end of one of the two locking pins. Two locking pins provide greater robustness in holding the position.

[0012] According to one embodiment, said at least one control track comprises at least: - a first counterform arranged to receive said at least one follower index when the first ring and the second ring are in the first position, - a second counter-form arranged to receive said at least one follower index when the first ring and the second ring are in the second position. Thus, each of the first and second positions is held securely in place.

[0013] According to one embodiment, the main joint comprises a bridging member including a first pivot joint with the first ring and a second pivot joint with the second ring, the retaining device being arranged between the bridging member and one of the first and second rings. The bridging member, a third part with respect to the first and second rings, essentially forms the free joint, and the retaining device is at least partially mounted or arranged on the bridging member.

[0014] According to one embodiment, the restraint device comprises: - a first main locking device between the bridging member and the first ring, - a second main locking device between the bridging member and the second ring.

[0015] According to one embodiment: - the first main locking device includes two first follower indexes arranged on one of the bridging member and the first ring, and two first control tracks arranged on the other of the bridging member and the first ring, - the second main locking device includes two second follower indexes arranged on one of the bridging member and the second ring, and two second control tracks arranged on the other of the bridging member and the second ring.

[0016] According to one embodiment, the bridging element includes or supports the control track. It may be provided that the control track is directly formed on the bridging element: the latter is monobloc or in one piece and forms the control track with the receiving counter-form.

[0017] According to one embodiment, the jewelry item comprises a cover arranged around the bridging element. The retaining device is invisible to the user.

[0018] According to one embodiment, the jewelry article comprises at least one first decorative element arranged on the first face of the first ring and at least one second decorative element arranged on the first face of the second ring, and wherein the retaining device comprises at least one secondary locking device with: - a secondary protuberance, arranged on one of the first and second decorative elements, - a secondary recessed shape, arranged on the other side of the first and second decorative elements and arranged to receive and retain or lock the secondary protrusion when the first and second rings are in the first position, - at least one secondary flexible portion, arranged on at least one of the first and second decorative elements and designed to exert a holding force on the secondary protrusion received in the secondary recessed shape. In other words, the secondary locking device is completely integrated into the decorative elements.

[0019] According to one embodiment, in at least one of the first position and the second position, the first decorative element and the second decorative element overlap at least partially, or interpenetrate at least partially, or overlap at least partially.

[0020] According to one embodiment: - in one of the first and second positions, the first decorative element and the second decorative element are contained within an outer casing of the jewelry item, - in the other of the first position and the second position, at least one of the the first decorative element and the second decorative element is arranged in protrusion or forms part of the outer casing of the jewelry item.

[0021] According to one embodiment, the retaining device comprises two secondary locking devices, separated by an angle having as its apex a center of the first ring and / or the second ring and between 90° and 150°.

[0022] According to one embodiment, the main joint allows relative rotation between the first ring and the second ring around an axis of rotation tangent to, or parallel to, a periphery of the first ring and / or the second ring. The first ring and the second ring can fold or pivot onto each other to touch their lateral faces.

[0023] According to one embodiment, the main joint is arranged between the first ring and the second ring so as to allow a relative rotation of the first ring with respect to the second ring of at least 340° and preferably of substantially 360°.

[0024] According to one embodiment: - the first ring comprises a first internal joint and a first internal opening / closing device, and - the second ring includes a second internal joint and a second internal opening / closing device.

[0025] Thus: - the first ring can be opened and closed around a limb or the user's body, and - the second ring can be opened and closed around a limb or the user's body.

[0026] According to one embodiment, the first ring and the second ring define respectively a first plane and a second plane, and in which - the first internal joint includes a first axis of rotation normal to the foreground, and - the second internal joint includes a second axis of rotation normal to the second plane.

[0027] According to one embodiment, the jewelry article forms a ring, a bracelet or a necklace.

[0028] Another aspect of the invention may relate to an article of jewelry, comprising: - a first ring, - a second ring, - a main joint arranged between the first ring and the second ring so as to allow relative rotation of the first ring with respect to the second ring between: • a first position in which a first face of the first ring is adjacent to or opposite a first face of the second ring and • a second position, separated from the first position by at least 340° and preferably by substantially 360°, in which a second face of the first ring is attached to or opposite a second face of the second ring, characterized in that the first ring and the second ring each comprise an internal hinge and an internal opening / closing device.

[0029] Thus: - The jewelry item can be put on and worn in two different configurations (the first ring and the second ring in the first or second position), and - the first ring can be opened and closed around a limb or the user's body, and - the second ring can be opened and closed around a limb or the user's body.

[0030] According to one embodiment, the main joint allows relative rotation between the first ring and the second ring around an axis of rotation tangent to, or parallel to, a tangent of the periphery of the first ring and / or the second ring.

[0031] According to one embodiment, the main joint includes a bridging member comprising a first pivot joint with the first ring and a second pivot joint with the second ring.

[0032] According to one embodiment, the first pivot joint is separated from the second pivot joint by a spacing: - greater than or equal to the width of the first ring and / or - greater than or equal to the width of the second ring and / or - greater than or equal to half the sum of the width of the first ring and the width of the second ring.

[0033] According to one embodiment, the main joint includes at least one rotation shaft mounted on the first ring and / or on the second ring to allow relative rotation between the first ring and the second ring of at least 340° and preferably of substantially 360°.

[0034] According to one embodiment, the bridging element comprises at least one housing receiving said at least one rotation shaft.

[0035] According to one embodiment, the internal articulation of the first ring and the second ring includes a hinge defining a hinge axis perpendicular to the axis of relative rotation between the first ring and the second ring, at least in one projection plane: - comprising a radius of the first ring or the second ring or - perpendicular to a plane of the first ring or the second ring.

[0036] According to one embodiment, the locking means include at least one control piece to be operated by the user to lock or unlock the first ring on the second ring, and the control piece is integrated or forms part of the decor.

[0037] According to one embodiment, the internal articulation of the first ring and the second ring allows the first ring and the second ring to occupy an open position and a closed position.

[0038] According to one embodiment, the internal opening / closing device of the first ring and the internal opening / closing device of the second ring are separate, and / or adjacent when the first ring and the second ring are in the first position or in the second position, and / or have a common control member at least when the first ring and the second ring are in the first position or in the second position.

[0039] More generally, the invention may relate to a piece of jewelry, comprising: - a first body, to be worn by a user, such as a first ring or a first earring, - a second body, to be worn by a user, such as a second ring or a second loop, - a main joint arranged between the first body and the second body so as to allow a relative rotation of the first body with respect to the second body between: • a first position in which a first face of the first body is adjacent to or opposite a first face of the second body and • a second position in which a second face of the first body is attached to or opposite a second face of the second body, characterized in that the main joint includes at least one retaining device arranged to retain the first body and the second body in at least one of the first or second positions.

[0040] According to one embodiment, the retaining device comprises at least one main locking device with at least: - a tracking index, and - a control track, movable relative to the follower index and comprising at least one receiving counter-form designed to receive the follower index, - a flexible portion designed to allow relative elastic movement between the follower index and the control track, in which the flexible portion is arranged to relax when the receiving counterform receives the following index to retain the first body and the second body in the first position or in the second position.

[0041] According to one embodiment, said at least one main locking device comprises a locking pin comprising: - a first free end, forming the follower index, - a second end that is fixed to a part that moves relative to the control track, - the flexible portion, arranged between the first end and the second end.

[0042] According to one embodiment, said at least one main locking device comprises at least two locking pins, each comprising: - a first free end, forming a follower index, - a second end that is fixed to a part that moves relative to the control track, - the flexible portion, arranged between the first end and the second end, and in which the control track includes at least two receiving counterforms each arranged to receive a first free end of one of the two locking pins.

[0043] According to one embodiment, said at least one control track comprises at least: - a first counterform arranged to receive said at least one following index when the first body and the second body are in the first position, - a second counterform arranged to receive said at least one follower index when the first body and the second body are in the second position.

[0044] According to one embodiment, the main joint comprises a bridging member including a first pivot link with the first body and a second pivot link with the second body, the retaining device being arranged between the bridging member and one of the first body and the second body.

[0045] According to one embodiment, the restraint device comprises: - a first main locking device between the bridging member and the first body, - a second main locking device between the bridging member and the second body.

[0046] According to one embodiment: - the first main locking device comprises two first follower indexes arranged on one of the bridging member and the first body, and two first control tracks arranged on the other of the bridging member and the first body, - the second main locking device comprises two second follower indexes arranged on one of the bridging member and the second body, and two second control tracks arranged on the other side of the bridging device and the second body.

[0047] According to one embodiment, the jewelry article comprises at least one first decorative element arranged on the first face of the first body and at least one second decorative element arranged on the first face of the second body, and wherein the retaining device comprises at least one secondary locking device with: - a secondary protuberance, arranged on one of the first and second decorative elements, - a secondary recessed shape, arranged on top of the first and second decorative elements and designed to receive and retain or lock the secondary protrusion when the first and second bodies are in the first position, - at least one secondary flexible portion, arranged on at least one of the first decorative element and the second decorative element and arranged to exert a holding force on the secondary protuberance received in the secondary hollow form.

[0048] According to one embodiment, the retaining device comprises two secondary locking devices, separated by an angle having as its apex a center of the first body and / or the second body and between 90° and 150°.

[0049] According to one embodiment, the main joint allows relative rotation between the first body and the second body around an axis of rotation tangent to, or parallel to, a periphery of the first body and / or the second body.

[0050] According to one embodiment, the main joint is arranged between the first body and the second body so as to allow a relative rotation of the first body with respect to the second body of at least 340° and preferably of substantially 360°.

[0051] According to one embodiment: - the first body comprises a first internal joint and a first internal opening / closing device, and - the second body includes a second internal joint and a second internal opening / closing device.

[0052] According to one embodiment, the first body and the second body respectively define a foreground and a background, and in which - the first internal joint includes a first axis of rotation normal to the foreground, and - the second internal joint includes a second axis of rotation normal to the second plane.

[0053] Another aspect of the invention may relate to an article of jewelry, including: - a first body, to be worn by a user, such as a first ring or a first loop, - a second body, to be worn by a user, such as a second ring or a second loop, - a main joint arranged between the first body and the second body so as to allow a relative rotation of the first body with respect to the second body between: • a first position in which a first face of the first body is adjacent to or opposite a first face of the second body and • a second position, separated from the first position by at least 340° and preferably by substantially 360°, in which a second face of the first body is attached to or opposite a second face of the second body, characterized in that the first body and the second body each comprise an internal joint and an internal opening / closing device.

[0054] According to one embodiment, the main joint allows relative rotation between the first body and the second body around an axis of rotation tangent to, or parallel to, a tangent of the periphery of the first body and / or the second body.

[0055] According to one embodiment, the main joint includes a bridging member comprising a first pivot joint with the first body and a second pivot joint with the second body.

[0056] According to one embodiment, the first pivot joint is separated from the second pivot joint by a spacing: - greater than or equal to the width of the first body and / or - greater than or equal to the width of the second body and / or - greater than or equal to half the sum of the width of the first body and the width of the second body.

[0057] According to one embodiment, the main joint includes at least one rotation shaft mounted on the first body and / or on the second body to allow relative rotation between the first body and the second body of at least 340° and preferably of substantially 360°.

[0058] According to one embodiment, the bridging element comprises at least one housing receiving said at least one rotation shaft.

[0059] According to one embodiment, the internal articulation of the first body and the second body includes a hinge defining a hinge axis perpendicular to the axis of relative rotation between the first body and the second body, at least in one projection plane: - comprising a radius of the first body or the second body or - perpendicular to a plane of the first body or the second body.

[0060] According to one embodiment, the locking means include at least one control piece to be operated by the user to lock or unlock the first body on the second body, and in which the control piece is integrated or forms part of the decor.

[0061] According to one embodiment, the internal articulation of the first body and the second body allows the first body and the second body to occupy an open position and a closed position.

[0062] According to one embodiment, the internal opening / closing device of the first body and the internal opening / closing device of the second body are separate, and / or adjacent when the first body and the second body are in the first position or in the second position, and / or have a common control member at least when the first body and the second body are in the first position or in the second position. Description of the figures

[0063] Other features and advantages of the present invention will become more apparent upon reading the following detailed description of embodiment(s) of the invention given by way of non-limiting example(s) and illustrated by the accompanying drawings, in which:

[0064] [Fig-1] represents a front view of a first variant embodiment of an article of jewelry according to the invention, forming in this example a bracelet to be worn by a user, in a closed position;

[0065] [Fig.2] represents the front view of the jewelry article of [Fig.1] in a opening position to allow the user to remove the jewelry item;

[0066] [Fig.3] represents a side view of the jewellery article of [Fig.1] to show a main articulation between a first ring and a second ring which are in a first position;

[0067] [Fig.4] represents a top view of the jewelry item of [Fig.1] for show the first ring and the second ring in the first position;

[0068] [Fig.5] represents the side view of the jewelry item of [Fig.3] to show the first ring and second ring occupying a second position by having pivoted one relative to the other by approximately 360° via the main joint;

[0069] [Fig.6] represents the top view of the jewellery article of [Fig.4] to show the first ring and the second ring in the second position;

[0070] [Fig.7] represents an exploded perspective view of a second variant of the rea manufacturing of a jewelry item according to the invention, forming in this example a ring to be worn on the finger of a user;

[0071] [Fig.8] represents a detail of the components of the jewellery article of [Fig.7], to show a secondary locking device.

[0072] Detailed description of embodiment(s)

[0073] Fig. 1 represents a front view of a first variant embodiment of a jewelry article 100 according to the invention, forming in this example a bracelet to be worn by a user, in a closed position.

[0074] In this front view of [Fig. 1], it can be noted that the jewelry item 100 comprises: - a first ring 110, forming a closed loop that can encircle a user's wrist, - a main joint 130, defining a first axis of rotation 131 with the first ring 110 and a second axis of rotation 132 with a second ring 120, not visible in [Fig. 1] and arranged behind the first ring 110, - an internal joint 140 arranged on the right side of the jewelry item 100, between an upper part of the jewelry item 100 and a lower part of the jewelry item 100, - an internal opening / closing device 150 arranged on the left of the jewelry item 100, between an upper part of the jewelry item 100 and a lower part of the jewelry item 100.

[0075] As mentioned above, the jewelry article 100 comprises a first ring 110 and a second ring 120 arranged one behind the other in [Fig. 1], consequently, it can be noted that: - the internal joint 140 includes a first internal joint for the first ring 110 and a second internal joint for the second ring 120, - the internal opening / closing device 150 includes a first internal opening / closing device for the first ring 110 and a second internal opening / closing device for the second ring 120.

[0076] Figure 2 shows the front view of the jewelry item 100 of Figure 1 in an open position to allow the user to remove the jewelry item. For this purpose, the internal opening / closing device 150 includes a control interface with, in this embodiment: - a first control button 151 of the first internal opening / closing device for the first ring 110, - a second control button 152 of the second internal opening / closing device for the second ring 120.

[0077] An action on the control interface thus makes it possible to release the lower part of the jewelry item 100 from the upper part of the jewelry item 100, which are articulated around the internal joint 140, and the jewelry item 100 can be placed in the open position as shown in [Fig.2] to put on or take off the jewelry item 100 around the user's wrist.

[0078] Figure 3 shows a side view of the jewelry item 100 of Figure 1 to illustrate the main joint 140 between the first ring 110 and the second ring 120, which are in a first position. Specifically, in Figure 3, one side of the first ring 110 is adjacent to, or opposite, one side of the second ring 120. It can be noted specifically in Figure 3 that: - the first ring 110 and first axis of rotation 131 are arranged on the left side of the [Fig.3], - the second ring 120 and second axis of rotation 132 are arranged on the right side of the [Fig.3].

[0079] Fig. 4 represents a top view of the jewellery article 100 of Fig. 1 to show the first ring 110 and the second ring 120 in the first position.

[0080] It can be noted that the jewelry item 100 in figures 1, 3, 4 (in the closed position with the first ring 110 and the second ring 120 in the first position) has a general shape of a torus of revolution.

[0081] Fig. 5 represents the side view of the jewelry article of Fig. 3 to show the first ring 110 and the second ring 120 occupying a second position by having pivoted about 360° relative to each other by means of the main joint 130.

[0082] Indeed, in the view of [Fig. 5], a second side of the first ring 110 is adjacent to or opposite a second side of the second ring 120. It can be specifically noted in this [Fig. 5] that: - the first ring 110 and first axis of rotation 131 are arranged on the right side of the [Fig.5], - the second ring 120 and second axis of rotation 132 are arranged on the left side of the [Fig.5].

[0083] In detail, the first ring 110 rotated around the first axis of rotation 131 and at the same time, the second ring 120 rotated around the second axis of rotation 132. Overall, the first ring 110 rotated about 360° relative to the second ring 120 so that the first ring 110 and the second ring 120 occupy the second position of [Fig.5].

[0084] Fig. 6 shows the top view of the jewelry item of Fig. 4, clearly displaying the first ring 110 and the second ring 120 in the second position. Compared to the first position of Fig. 1, or 3, or 4, the jewelry item 100 of Fig. 5, or 6, has an open shape symmetrical with respect to a plane arranged between the first ring 110 and the second ring 120, and decorative elements. (like petals, scales or palettes) initially contained within the outer envelope of the jewelry item 100 in the first position of [Fig.1], or 3 or 4, are found protruding or outside the jewelry item 100, on the lateral faces of the jewelry item 100 of [Fig.5] or 6.

[0085] The following points can be noted: - the plane of symmetry arranged between the first ring 110 and the second ring 120 also forms a contact plane between the second face of the first ring 110 and the second face of the second ring 120, - the protruding decorative elements on [Fig. 5] or 6 are contained within the outer casing of the jewelry item 100 of [Fig. 1], 3, 4, and can overlap, interlock, and interpenetrate to allow the first ring 110 and the second ring 120 to occupy the first position, - the axis of rotation of the internal joint 140 for opening / closing the jewelry item 100 is substantially normal to a plane containing the first axis of rotation 131 or the second axis of rotation 132, - the first axis of rotation 131 and the second axis of rotation 132 are substantially parallel.

[0086] Figure 7 shows an exploded perspective view of a second variant of the design. manufacturing of a jewelry item 200 according to the invention, forming in this example a ring to be worn on the finger of a user.

[0087] In this embodiment, the jewelry item 200 comprises: - a first ring 210, - a second 220 ring, - a main joint 230.

[0088] Compared to the first embodiment, the first ring 210 and the second ring 220 are not designed to open and close like a bracelet, since the ring shown [Fig. 7] is intended to be slipped onto a user's finger. Consequently, the jewelry item 200 does not include an internal hinge or an internal opening / closing device. However, such an option (opening and closing by means of an internal hinge similar to that of the jewelry item 100 in Figures 1 to 6) is perfectly feasible.

[0089] In more detail, the structure of the internal components of the jewelry item 200 can be described as follows.

[0090] The first ring 210 comprises: - a first inner ring 211, - a first intermediate ring 212, surrounding the first inner ring 211, - a first outer ring 213, surrounding the first intermediate ring 212, split and having two lateral bearings - a first rotating shaft 214, which can be driven into at least one of the lateral bearings of the first outer ring 213, - two first serration pins 215, each of which can have a first end driven into one of the lateral bearings of the first outer ring 213.

[0091] The second ring 220 comprises: - a second inner ring 221, - a second intermediate ring 222, surrounding the second inner ring 221, - a second outer ring 223, surrounding the second intermediate ring 222, split and having two lateral bearings - a second rotating shaft 224, which can be driven into at least one of the lateral bearings of the second outer ring 223, - two second serration pins 225, each of which can have a first end driven into one of the lateral bearings of the second outer ring 223.

[0092] It can be noted that each of the first inner ring 211, the first intermediate ring 212, the first outer ring 213, the second inner ring 221, the second intermediate ring 222, the second outer ring 223 include decorative elements in the form of a palette, or foliage, or scales or feathers, and mounted on branches or blades.

[0093] The main joint 230 comprises: - a bridging member 233 which includes two bores capable of receiving the first rotation shaft 214 and the second rotation shaft 224 so as to define respectively a first rotation axis 231 with the first ring 210 and a second rotation axis 232 with the second ring 220, - a hood 234 covering the bridging element 233, the hood 234 and the bridging element 233 being housed between the bearings of the first ring 210 and the second ring 220.

[0094] Thus, as with the jewelry item 100, the first ring 210 and the second ring 220 of the jewelry item 200 can occupy: - first position in which a first face of the first ring 210 is adjacent to or opposite a first face of the second ring 220 and - a second position in which a second face of the first ring 210 is attached to or opposite a second face of the second ring 220.

[0095] In detail, the first ring 210 can pivot about the first axis of rotation 231 and at the same time, the second ring 220 can pivot about the second axis of rotation 232. Overall, the first ring 210 can pivot about 360° relative to the second ring 220 so that the first ring 210 and the second ring 220 fold down on each other by tilting to one side or the other while pivoting about the first axis of rotation 231 and the second axis of rotation 232.

[0096] Fig. 7 represents the first intermediate ring 212 and the second intermediate ring 222. The first intermediate ring 212 comprises two first spurs 216 formed as protuberances on a branch bearing a first decorative element, and the second intermediate ring 222 comprises two second beaks 226 formed under extreme parts of second decorative elements of the second intermediate ring 222 opposite the first spurs 216 of the first intermediate ring 212.

[0097] Jewellery article 100 of figures 1 to 6 as well as jewellery article 200 of figures 6 and 7 includes a retaining device arranged to retain the first ring and the second ring in at least one of the first position (figures 1, 3 or 4) or the second position ([Fig.5] or 6).

[0098] The restraint device may include, on the one hand, a main locking device with at least: - a follower index, and in this example four follower indices formed by the free ends of the first serration pins 215 and the second serration pins 225, which are also driven into the first ring 210 and the second ring 220, and - a control track, and in this example four control tracks formed at both ends of the bridging member 233, and including in particular grooves visible on the bridging member 233 [Fig.7], - a flexible portion, and in this example four flexible portions (formed by the body of the first serration pins 215 and the second serration pins 225 which can deform in bending) provided to allow a relative elastic displacement between the follower index and the control track.

[0099] In detail, the first serration pins 215 and the second serration pins 225 all have a first free end facing the external surface of the bridging member 233, and a second end embedded in one of the first ring 210 or the second ring 220. The first free end of the first serration pins 215 and the second serration pins 225 "overhangs" or "extends" above the bridging member 233 and the body of the first serration pins 215 and the second serration pins 225 is elastically deformed in bending.When the first free end of the first serration pins 215 and the second serration pins 225 arrives at or is opposite the grooves of the bridging member 233, elastic bending returns them into these grooves of the bridging member 233, which provides serration and retention of the first ring 210 and the second ring 220 in the first or second position.

[0100] We can foresee exactly the same system for the jewellery article 100 of the figures 1 to 6.

[0101] The restraint device may also include a secondary locking device with: - a secondary protuberance, and in this example two secondary protuberances formed by the first two lugs 216 arranged on the first decorative elements of the first intermediate ring 212, - a secondary hollow form, and in this example two secondary hollow forms formed by the second beaks 226 formed under the extreme parts of the second decorative elements of the second intermediate ring 222, and arranged to receive and retain or lock the first lugs 216 when the first ring 210 and the second ring 220 are in the first position, - at least one secondary flexible portion, and in this example at least two secondary flexible portions formed by the flexible legs or blades carrying the first decorative elements and / or the second decorative elements and arranged to exert a holding force on the secondary protuberance received in the secondary hollow form.

[0102] In other words, the secondary locking device is worn, integrated or even directly formed on the decorative element of the jewelry article 200, which provides a locking function when the first ring 210 and the second ring 220 are in the first position, without altering the aesthetics of the jewelry article.

[0103] Exactly the same system can be envisaged for the jewellery article 100 of figures 1 to 6. Industrial application

[0104] A jewellery article according to the present invention, and its manufacture, are capable of industrial application.

[0105] It will be understood that various modifications and / or improvements obvious to a person skilled in the art can be made to the different embodiments of the invention described in this description without departing from the scope of the invention.

[0106] In particular, it can be noted that the main locking device may include ball pushers, leaf springs, or any other elastic element to provide a notch between the first ring and the second ring.

[0107] It is possible to plan to drive out the first serration pins 215 and / or the second serration pins, and / or the first rotation shaft and / or the second rotation shaft in the bridging member, and / or in the first ring and / or in the second ring.

[0108] Any shape or type of structure can be provided for the first ring and / or for the second ring: - a closed, open form, - a shape or a slice or at least a flat, or corrugated, or non-flat lateral face, - a general shape: circular, elliptical, rounded, or any other shape, - a cross-section with a circular, rounded, square, rectangular, or any other type of cross-section, - a monobloc structure, a single piece, or a composite structure, or an assembly of several parts...

[0109] The invention can be implemented for a timepiece.

Claims

Demands

1. A jewelry article (100; 200), comprising: - a first ring (110; 210), - a second ring (120; 220), - a main joint (130; 230) arranged between the first ring (110; 210) and the second ring (120; 220) so as to allow a relative rotation of the first ring (110; 210) with respect to the second ring (120; 220) between: • a first position in which a first face of the first ring (110; 210) is abutted or opposite a first face of the second ring (120; 220) and • a second position in which a second face of the first ring (110; 210) is abutted or opposite a second face of the second ring (120; 220), characterized in that the main joint (130; 230) includes at least one retaining device arranged to retain the first ring (110; 210) and the second ring (120; 220) in at least one of the first or second positions.

2. Jewellery article (100; 200) according to claim 1 wherein the retaining device comprises at least one main locking device with at least: - a follower index, and - a control track, movable relative to the follower index and comprising at least one receiving counter-form provided for receiving the follower index, - a flexible portion provided for allowing relative elastic movement between the follower index and the control track, wherein the flexible portion is arranged to relax when the receiving counter-form receives the follower index to retain the first ring (110; 210) and the second ring (120; 220) in the first position or in the second position.

3. A jewellery article (100; 200) according to claim 2, wherein said at least one main locking device comprises a locking pin (115; 215) comprising: - a first free end, forming the follower index, - a second end embedded, attached to a part moving relative to the control track, - the flexible portion, arranged between the first end and the second end.

4. Jewellery article (100; 200) according to claim 2 or 3 wherein said at least one main locking device comprises at least two locking pins (115; 215) each comprising: - a first free end, forming a follower index, - a second embedded end, integral with a movable part relative to the control track, - the flexible portion, arranged between the first end and the second end, and wherein the control track comprises at least two receiving counterforms each arranged to receive a first free end of one of the two locking pins (115; 215).

5. Jewellery article (100; 200) according to claim 2 to 4 wherein said at least one control track comprises at least: - a first counter-form arranged to receive said at least one follower index when the first ring (110; 210) and the second ring (120; 220) are in the first position, - a second counter-form arranged to receive said at least one follower index when the first ring (110; 210) and the second ring (120; 220) are in the second position.

6. Jewellery article (100; 200) according to any one of claims 1 to 5, wherein the main joint (130; 230) comprises a bridging member (233) comprising a first pivot link with the first ring (110; 210) and a second pivot link with the second ring (120; 220), the retaining device being arranged between the bridging member (233) and one of the first ring (110; 210) and the second ring (120; 220).

7. Jewellery article (100; 200) according to claim 6 in its dependence on claim 2, wherein the retaining device comprises: - a first main locking device between the bridging member (233) and the first ring (110; 210), - a second main locking device between the bridging member (233) and the second ring (120; 220).

8. A jewellery article (100; 200) according to claim 7, wherein: - the first main locking device includes two first follower indexes arranged on one of the bridging member (233) and the first ring (110; 210), and two first control tracks arranged on the other of the bridging member (233) and the first ring (110; 210), - the second main locking device includes two second follower indexes arranged on one of the bridging member (233) and the second ring (120; 220), and two second control tracks arranged on the other of the bridging member (233) and the second ring (120; 220).

9. A jewellery article (100; 200) according to any one of claims 1 to 8, comprising at least one first decorative element arranged on the first face of the first ring (110; 210) and at least one second decorative element arranged on the first face of the second ring (120; 220), and wherein the retaining device comprises at least one secondary locking device with: - a secondary protrusion, arranged on one of the first decorative element and the second decorative element, - a secondary recessed shape, arranged on the other of the first decorative element and the second decorative element and arranged to receive and retain or lock the secondary protrusion when the first ring (110; 210) and the second ring (120;220) are in the first position, - at least one secondary flexible portion, arranged on at least one of the first decorative element and the second decorative element and arranged to exert a holding force in position of the secondary protuberance received in the secondary hollow form.;

10. Jewellery article (100; 200) according to claim 9, wherein the retaining device comprises two secondary locking devices, separated by an angle having as its apex a centre of the first ring (110; 210) and / or the second ring (120; 220) and between 90° and 150°.

11. Jewellery article (100; 200) according to any one of claims 1 to 10 wherein the main articulation (130; 230) permits relative rotation between the first ring (110; 210) and the second ring (120; 220) around an axis of rotation tangent to, or parallel to a tangent to, a periphery of the first ring (110; 210) and / or the second ring (120; 220).

12. Jewellery article (100; 200) according to any one of claims 1 to 11 wherein the main articulation (130; 230) is arranged between the first ring (110; 210) and the second ring (120; 220) so as to permit a relative rotation of the first ring (110; 210) with respect to the second ring (120; 220) of at least 340° and preferably of substantially 360°.

13. Jewellery article (100; 200) according to any one of claims 1 to 12 wherein: - the first ring (110; 210) comprises a first internal hinge and a first internal opening / closing device, and - the second ring (120; 220) comprises a second internal hinge and a second internal opening / closing device.

14. Jewellery article (100; 200) according to claim 13 wherein the first ring (110; 210) and the second ring (120; 220) respectively define a first plane and a second plane, and wherein - the first internal joint comprises a first axis of rotation normal to the first plane, and - the second internal joint comprises a second axis of rotation normal to the second plane.

15. Jewellery article (100; 200) according to any one of claims 1 to 14, forming a ring, a bracelet or a necklace.

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