Jewelry item

Abstract

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 adjacent to 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 adjacent to 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 position or the second position. Figure for abstract: Fig. 1

Description

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

[0001] The present invention relates generally to an article of jewelry, and the invention relates in particular to articles of jewelry with several bodies to be worn by a user, such as rings or buckles. In more detail, the present invention relates to an article of jewelry such as a ring, a bracelet or a necklace which may comprise several bodies to be worn by a user, such as rings or buckles 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 fold against each other. On the other hand, this system can have drawbacks related to the bulk and volume required at the joint to provide an article that is easy to wear. It can also be noted that no aesthetic and / or discreet solution is proposed to keep the rings joined together so as to facilitate use, in particular the action of putting in place, removing or handling the jewelry article. Statement of the invention

[0003] An aim of the present invention is to address the drawbacks of the prior art mentioned above and in particular, first of all, to propose an aesthetic and / or compact jewelry item, and / or having a discreet articulation, and yet providing easy use or handling.

[0004] For this purpose, a first aspect of the invention relates 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 in which a second face of the first ring is joined to or opposite a second face of the second ring, characterized in that the main articulation comprises at least one retaining device arranged to retain the first ring and the second ring in at least one of the first position or the second position.

[0005] According to the above implementation, the main joint itself comprises a retaining device arranged to retain the first ring and the second ring in at least one of the first position or the second position, which makes it possible to provide an integrated, discreet and therefore aesthetic solution. It can also be noted that maintaining it in at least one of the first position or the second position facilitates handling of the jewelry item, in particular for installing it, putting it on or putting it in place.

[0006] The jewelry item may 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, 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 end surfaces of the first or second ring, in 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 event, the first ring and / or the second ring is arranged to at least partially surround a limb of the user without coming loose or falling.

[0009] According to one embodiment, 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 counterform provided to receive the follower index, - a flexible portion provided to allow relative elastic movement between the follower index and the control track, and the flexible portion is arranged to relax when the receiving counterform receives the follower index to retain the first ring and the second ring in the first position or in the second position. The elastic portion forces the follower index to remain in the counterform, which provides maintenance in the first position or in the second reversible position and / or with an effort to be provided to exit therefrom.

[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 embedded end, secured to a part which moves relative to the control track, - the flexible portion, arranged between the first end and the second end. Such a pin has a small footprint, and can be installed near a rotation shaft for example to cooperate with the control track. Such a pin can be a metal shaft acting as a spring blade. The embedded second end can be driven into a part 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 embedded end, secured to a part which moves relative to the control track, - the flexible portion, arranged between the first end and the second end, and the control track comprises at least two receiving counterforms each arranged to receive a first free end of one of the two locking pins. Two locking pins provide better robustness of holding in 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 counterform 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 position and the second position is securely held in place.

[0013] According to one embodiment, the main joint comprises a bridging member comprising a first pivot connection with the first ring and a second pivot connection with the second ring, the retaining device being arranged between the bridging member and one of the first ring and the second ring. The bridging member, a third part relative to the first ring and the second ring, essentially forms the free joint, and the retaining device is at least partly embedded or arranged on the bridging member.

[0014] According to one embodiment, the retaining 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 comprises 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 comprises 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 member comprises or supports the control track. It is possible to provide for the control track to be formed directly on the bridging member: the latter is monobloc or in one piece and forms the control track with the receiving counterform.

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

[0018] According to one embodiment, the jewelry item 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 in which 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 hollow 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 and the second ring 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 force to hold in position the secondary protuberance received in the secondary hollow 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 at least partially overlap, or at least partially interpenetrate, or at least partially overlap.

[0020] According to one embodiment: - in one of the first position and the second position, the first decorative element and the second decorative element are contained in an outer casing of the jewelry item, - in the other of the first position and the second position, at least one of the first decorative element and the second decorative element is arranged as a protrusion or is 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 articulation allows relative rotation between the first ring and the second ring around an axis of rotation tangent, or parallel to a tangent to a periphery of the first ring and / or the second ring. The first ring and the second ring can fold down or tilt on each other to touch their lateral faces.

[0023] According to one embodiment, the main articulation 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 articulation and a first internal opening / closing device, and - the second ring comprises a second internal articulation 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 respectively define a first plane and a second plane, and in which - the first internal articulation comprises a first axis of rotation normal to the foreground, and - the second internal articulation includes a second axis of rotation normal to the second plane.

[0027] According to one embodiment, the jewelry item 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 adjacent to or opposite a second face of the second ring, characterized in that the first ring and the second ring each comprise an internal articulation and an internal opening / closing device.

[0029] Thus: - the item of jewelry 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 articulation allows relative rotation between the first ring and the second ring around an axis of rotation tangent, 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 comprises a bridging member comprising a first pivot connection with the first ring and a second pivot connection with the second ring.

[0032] According to one embodiment, the first pivot connection is separated from the second pivot connection by a spacing: - greater than or equal to a width of the first ring and / or - greater than or equal to a 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 articulation comprises 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 substantially 360°.

[0034] According to one embodiment, the bridging member 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 comprises a hinge defining a hinge axis perpendicular to the axis of relative rotation between the first ring and the second ring, at least in a projection plane: - comprising a radius of the first ring or of the second ring or - perpendicular to a plane of the first ring or the second ring.

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

[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 device for opening / closing the first ring and the internal device for opening / closing the second ring are distinct, 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 buckle, - a second body, to be worn by a user, such as a second ring or a second buckle, - a main joint arranged between the first body and the second body so as to allow 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 articulation comprises at least one retaining device arranged to retain the first body and the second body in at least one of the first position or the second position.

[0040] According to one embodiment, 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 counterform provided to receive the follower index, - a flexible portion provided to allow relative elastic movement between the follower index and the control track, wherein the flexible portion is arranged to relax when the receiving counterform receives the follower 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 embedded end, secured to a part which 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 embedded end, secured to a part which moves relative to the control track, - the flexible portion, arranged between the first end and the second end, and in which the control track comprises 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 follower 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 comprising a first pivot connection with the first body and a second pivot connection 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 retaining 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 of the bridging member and the second body.

[0047] According to one embodiment, the jewelry item 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 in which 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 hollow 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 body and the second body 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 force to hold in position the secondary protuberance received in the secondary hollow shape.

[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 of the second body and between 90° and 150°.

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

[0050] According to one embodiment, the main articulation 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 comprises 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 first plane and a second plane, and in which - the first internal articulation comprises a first axis of rotation normal to the foreground, and - the second internal articulation 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 buckle, - a second body, to be worn by a user, such as a second ring or a second buckle, - a main joint arranged between the first body and the second body so as to allow 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 adjacent to or opposite a second face of the second body, characterized in that the first body and the second body each comprise an internal articulation and an internal opening / closing device.

[0054] According to one embodiment, the main articulation allows relative rotation between the first body and the second body around an axis of rotation tangent, 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 comprises a bridging member comprising a first pivot connection with the first body and a second pivot connection with the second body.

[0056] According to one embodiment, the first pivot connection is separated from the second pivot connection by a spacing: - greater than or equal to a width of the first body and / or - greater than or equal to a 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 comprises 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 substantially 360°.

[0058] According to one embodiment, the bridging member 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 comprises a hinge defining a hinge axis perpendicular to the axis of relative rotation between the first body and the second body, at least in a projection plane: - comprising a ray of the first body or of the second body or - perpendicular to a plane of the first body or the second body.

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

[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 distinct, 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 characteristics and advantages of the present invention will appear more clearly on reading the following detailed description of embodiment(s) of the invention given as non-limiting examples and illustrated by the appended drawings, in which:

[0064] [Fig-1] represents a front view of a first variant embodiment of an article 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 item of [Fig.l] in a open position to allow the user to remove the jewelry item;

[0066] [Fig.3] represents a side view of the jewelry item of [Fig.l] to show a main joint 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.l] 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 the second ring occupying a second position having pivoted relative to each other by approximately 360° by means of the main joint;

[0069] [Fig.6] represents the top view of the jewelry item 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 sheave production of a piece of jewelry according to the invention, forming in this example a ring to be worn on a user's finger;

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

[0072] Detailed description of embodiment(s)

[0073] [Fig.l] represents a front view of a first variant embodiment of a jewelry item 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.l], it can be noted that the jewelry item 100 comprises: - a first ring 110, forming a closed loop which can surround a user's wrist, - a main articulation 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.l] and arranged behind the first ring 110, - an internal articulation 140 arranged on the right 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 item 100 comprises a first ring 110 and a second ring 120 arranged one behind the other in [Fig.l], accordingly, it can be noted that: - the internal articulation 140 comprises a first internal articulation for the first ring 110 and a second internal articulation for the second ring 120, - the internal opening / closing device 150 comprises a first internal opening / closing device for the first ring 110 and a second internal opening / closing device for the second ring 120.

[0076] [Fig. 2] shows the front view of the jewelry item 100 of [Fig. 1] in an open position to allow the user to remove the jewelry item. For this purpose, the internal opening / closing device 150 comprises a control interface with in this exemplary 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 therefore 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 articulation 140 and the jewelry item 100 can be placed in the open position as in [Fig.2] for putting on or removing the jewelry item 100 around the user's wrist.

[0078] [Fig. 3] represents a side view of the jewelry item 100 of [Fig. 1] to show the main articulation 140 between the first ring 110 and the second ring 120 which are in a first position. Indeed, in the view of [Fig. 3], a first side of the first ring 110 is attached to or opposite a first side of the second ring 120. It can be noted specifically in this [Fig. 3] that: - the first ring 110 and first rotation axis 131 are arranged on the left side of [Fig.3], - the second ring 120 and second rotation axis 132 are arranged on the right side of [Fig.3].

[0079] [Fig.4] represents a top view of the jewelry item 100 of [Fig.l] 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 of 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 item of [Fig.3] to show the first ring 110 and the second ring 120 occupying a second position having pivoted relative to each other by approximately 360° by means of the main joint 130.

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

[0083] In detail, the first ring 110 has pivoted around the first axis of rotation 131 and at the same time, the second ring 120 has pivoted around the second axis of rotation 132. Overall, the first ring 110 has pivoted approximately 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] represents the top view of the jewelry item of [Fig. 4] to clearly show 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 (such as petals, scales or palettes) initially contained in the outer shell of the jewelry item 100 in the first position of [Fig.l], or 3 or 4, are found protruding or outside the jewelry item 100, on the side 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 in [Fig.5] or 6 are contained in the external envelope of the jewelry item 100 of [Fig.l], 3, 4, and can overlap, interlock, interpenetrate to allow the first ring 110 and the second ring 120 to occupy the first position, - the axis of rotation of the internal articulation 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] [Fig.7] represents an exploded perspective view of a second variant of the sheave production of a jewelry item 200 according to the invention, forming in this example a ring to be worn on a user's finger.

[0087] In this exemplary embodiment, the jewelry item 200 comprises: - a first ring 210, - a second ring 220, - 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 designed 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 - closing by an internal hinge similar to that of the jewelry item 100 of FIGS. 1 to 6) is perfectly conceivable.

[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 internal ring 211, - a first intermediate ring 212, surrounding the first internal ring 211, - a first external ring 213, surrounding the first intermediate ring 212, split and having two lateral bearings - a first rotation shaft 214, capable of being driven into at least one of the lateral bearings of the first external ring 213, - two first notching pins 215, each of which can have a first end driven into one of the lateral bearings of the first external ring 213.

[0091] The second ring 220 comprises: - a second internal ring 221, - a second intermediate ring 222, surrounding the second internal ring 221, - a second external ring 223, surrounding the second intermediate ring 222, split and having two lateral bearings - a second rotation shaft 224, capable of being driven into at least one of the lateral bearings of the second external ring 223, - two second notching pins 225, each of which can have a first end driven into one of the lateral bearings of the second external ring 223.

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

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

[0094] Thus, as for 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 adjacent 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 onto each other by tilting to one side or the other by 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 for its part two first lugs 216 formed as a protrusion on a branch carrying a first decorative element, and the second intermediate ring 222 comprises for its part two second beaks 226 formed under end parts of second decorative elements of the second intermediate ring 222 coming opposite the first lugs 216 of the first intermediate ring 212.

[0097] The jewelry item 100 of Figures 1 to 6 like the jewelry item 200 of Figures 6 and 7 comprises 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 retaining device may comprise on the one hand a main locking device with at least: - a follower index, and in this example four follower indexes formed by the free ends of the first notching pins 215 and the second notching pins 225 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 the two 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 notching pins 215 and the second notching pins 225 which can deform in bending) provided to allow relative elastic movement between the follower index and the control track.

[0099] In detail, the first notching pins 215 and the second notching 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 notching pins 215 and the second notching pins 225 “extends” or “protrudes” above the bridging member 233 and the body of the first notching pins 215 and the second notching pins 225 is elastically deformed in bending.When the first free end of the first notching pins 215 and the second notching pins 225 arrives at or is opposite the grooves of the bridging member 233, the elastic bending returns them into these grooves of the bridging member 233, which provides notching and holding of the first ring 210 and the second ring 220 in the first position or in the second position.

[0100] Exactly the same system can be provided for the jewelry item 100 of Figures 1 to 6.

[0101] The retaining device may further comprise 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 shape, and in this example two secondary hollow shapes formed by the second beaks 226 formed under end 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 tabs or blades carrying the first decorative elements and / or the second decorative elements and arranged to exert a force to hold in position the secondary protuberance received in the secondary hollow shape.

[0102] In other words, the secondary locking device is carried, integrated or even directly formed on the decorative elements of the jewelry item 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 item.

[0103] Exactly the same system can be provided for the jewelry item 100 of Figures 1 to 6. Industrial application

[0104] A piece of jewelry 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 those skilled in the art can be made to the different embodiments of the invention described in the present description without departing from the scope of the invention.

[0106] In particular, it can be noted that the main locking device can comprise ball pushers, spring blades, or any other elastic member to provide a notch between the first ring and the second ring.

[0107] Provision may be made to drive the first notching pins 215 and / or the second notching pins, and / or the first rotation shaft and / or the second rotation shaft into the bridging member, and / or into the first ring and / or into 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 one flat, or wavy, or non-flat lateral face, - a general circular, elliptical, rounded, or any other shape, - a cross-section of circular, rounded, square, rectangular, or any other shape, - a single-piece, single-piece, or composite structure, or an assembly of several parts...

[0109] It is possible to envisage implementing the invention for a timepiece.

Claims

Claims

1. Jewelry item (100; 200), comprising: - a first ring (110; 210), - a second ring (120; 220), - a main articulation (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 adjacent to 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 adjacent to or opposite a second face of the second ring (120; 220), characterized in that the main articulation (130; 230) comprises 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 position or the second position.

2. Jewelry item (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 counterform provided to receive the follower index, - a flexible portion provided to allow relative elastic movement between the follower index and the control track, wherein the flexible portion is arranged to relax when the receiving counterform 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. Jewelry item (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 embedded end, secured to a part which moves relative to the control track, - the flexible portion, arranged between the first end and the second end.

4. Jewelry item (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 part movable 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. Jewelry item (100; 200) according to claim 2 to 4 wherein 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 (110; 210) and the second ring (120; 220) are in the first position, - a second counterform 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. A piece of jewelry (100; 200) according to one of claims 1 to 5, wherein the main joint (130; 230) comprises a bridging member (233) comprising a first pivot connection with the first ring (110; 210) and a second pivot connection 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. Jewelry item (100; 200) according to claim 6 in its dependency 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. An article of jewelry (100; 200) according to claim 7 wherein: - the first main locking device comprises 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 comprises 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 jewelry item (100; 200) according to 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 hollow 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 force to hold in position the secondary protuberance received in the secondary hollow shape.;

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

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

12. Jewelry item (100; 200) according to 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 allow 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. Jewelry item (100; 200) according to one of claims 1 to 12 wherein: - the first ring (110; 210) comprises a first internal articulation and a first internal opening / closing device, and - the second ring (120; 220) comprises a second internal articulation and a second internal opening / closing device.

14. An article of jewelry (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 articulation comprises a first axis of rotation normal to the first plane, and - the second internal articulation comprises a second axis of rotation normal to the second plane.

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

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