Transformable Jewelry Items

Abstract

at least one first part (1); - at least one second part (2) movably attached to the first part (1); - a deformable casing (3) connecting a first part (1) and a second part (2), said item of jewellery (100).

Description

[Technical Field]

[0001] FIELD OF THE INVENTION The present invention relates generally to the field of jewelry, and more particularly to components such as rings, bracelets, pendants, and the like. [Background technology]

[0002] Jewelry components, in particular finger rings, that are capable of axial telescopic extension are known, for example as disclosed in EP 0642750.

[0003] However, prior art components have drawbacks such as the risk of pinching the user when moving parts, the risk of providing an inelegant step structure that can be accidentally caught on, the risk of the extension action being unintuitive, and the risk of being complicated to use. Summary of the Invention

[0004] The object of the present invention is to propose a new structure for jewelry components such as rings, earrings or pendants that offers new mechanical and / or aesthetic possibilities while being easy to manufacture. Furthermore, the invention aims to have an elegant structure that reduces the risk of pinching the user when moving the components and limits the risk of accidental snagging, to be intuitive during the operation of the components, and to be simple to manufacture and use.

[0005] Accordingly, the present invention provides in a first aspect an item of jewellery comprising: at least one first component; at least one second part movably attached to the first part; a deformable casing secured to a first piece and a second piece. Thus, the second part is movable relative to the first part, i.e. the second part is movably assembled to the first part.

[0006] This makes it possible to propose jewelry items, in particular rings or pendants, with new structures that offer new mechanical and / or aesthetic possibilities while being easy to manufacture, and it also makes it possible to present elegant structures that reduce the risk of pinching the user when moving the parts, limit the risk of accidental snagging, are intuitive during operation of the parts, and are simple to manufacture and use.

[0007] Advantageously, the deformable casing is a mesh part of the articulation element.

[0008] This makes it possible to offer sophisticated jewelry items that are easy to use and offer a pleasant, deformable feel.

[0009] In other words, the articulation elements of the netting together form the outer wall of the (external) deformable casing, and the articulation elements are articulated to one another in such a way that they can move relative to one another and make the outer wall deformable. "Deformable" here means that the wall deforms without any material deformation and while maintaining the dimensions of the articulation elements. It is only the relative displacement of the articulation elements relative to one another that allows the deformation. Therefore, the degrees of freedom provided in the design between the articulation elements determine the possible deformations. The jewelry item can therefore assume an infinite number of shapes depending on the forces it is subjected to, such as pressure from the wearer or user, or the action of gravity on a wall that would otherwise deform under its own weight. "Articulated" means that the articulated elements are connected while maintaining a certain degree of relative movement relative to one another. This makes it possible to propose jewelry items with deformable outer walls, offering designers new possibilities for designing the shape of the jewelry item and users the possibility of a more tactile interaction with the jewelry by transforming it and enjoying it. In particular, the articulating elements linked together to form the mesh allow the outer wall to at least partially recover its original shape and volume after being subjected to compression, flexion, or even stretching.

[0010] Preferably, the articulation elements are integrally formed. Preferably, adjacent articulation elements are articulated together, or at least some adjacent articulation elements are articulated together.

[0011] In a preferred embodiment, the wall is elastically deformable.

[0012] This allows it to recover to a nominal or initial shape after being deformed by stress, for example, pressing.

[0013] Advantageously, each articulation element comprises an outer panel.

[0014] Advantageously, the articulation elements are provided with an interlacing, preferably a spiral interlacing, which interlocks the articulation elements with one another.

[0015] This allows the articulation elements to be held together and interlocked to ensure mechanical strength.

[0016] Advantageously, the mesh of the articulation element is arranged to limit the amplitude of the displacement of the deformable casing.

[0017] Advantageously, the mesh of the articulation element is arranged to limit the amplitude of displacement of the second part relative to the first part.

[0018] This makes it possible to limit the movement of the parts relative to one another and to ensure in a simple way that they return to their initial position.

[0019] Advantageously, the mesh of the articulating elements has a plurality of mesh sizes between the articulating elements.

[0020] Advantageously, the mesh size in the vicinity of the first or second portion is different from the mesh size away from the first or second portion.

[0021] Advantageously, the deformable casing is flexible, by which is meant something that can be easily folded and / or refolded without breaking or being damaged.

[0022] This makes the jewelry item easier to manufacture while ensuring smoother and more regular operation.

[0023] Advantageously, the jewellery item further comprises a resilient element disposed at least partially above or below the deformable casing to allow elastic return of the casing.

[0024] This makes it possible to ensure a reversible and intuitive operation of the jewellery.

[0025] Advantageously, the elastic element comprises a plurality of elastic portions, the elasticity of at least one of the portions preferably differing from that of the other portions.

[0026] Advantageously, the elastic element comprises a number of portions having the same elasticity.

[0027] Advantageously, at least one articulation element is supported by an elastic part (or elastic member), such as an elastic net.

[0028] This allows the deformation of the outer wall to have elastic properties, and the outer wall returns to its original shape after deformation under the action of the elastic member. When the outer wall is held by the elastic member, if the elastic force is greater than the weight of the wall, it can no longer deform completely freely, especially under that weight.

[0029] Advantageously, the jewellery item further comprises a return spring arranged to return movement of the casing or second part.

[0030] This makes it possible to ensure a reversible and intuitive operation of the jewellery.

[0031] Advantageously, the movement of the second part is telescopic. By "telescopic" is meant the movement of elements or parts that fit together and slide over one another.

[0032] Advantageously, the movement of the second part is radial.

[0033] Advantageously, the jewellery item further comprises at least one connection between the first and second parts, the connection preferably being selected from among a slide, a slide pivot, a pivot, a hinge, a ball joint or a dovetail.

[0034] Advantageously, the first part and / or the second part are bushings, preferably rigid bushings.

[0035] Advantageously, at least one of said articulation elements is set or decorated.

[0036] This makes it possible to propose sophisticated jewelry items that match the movement of the pieces between them and their settings or decorations.

[0037] Advantageously, the deformable casing is arranged to cover an outer portion of the bushing.

[0038] This makes it possible to offer jewellery items with a deformable outer casing.

[0039] Advantageously, the articular elements include a coating, for example a non-stick or self-lubricating coating, made for example of bronze, metal or polymer, which may improve the sliding of the articular elements between themselves and make the deformable casing more flexible, pliable and comfortable.

[0040] Advantageously, the deformable casing is toroidal, preferably asymmetrical.

[0041] This makes it possible to propose intuitive jewelry items that are easy to use and construct, and at the same time pleasant and transformable to the touch.

[0042] Another aspect of the present invention relates to a jewelry item, comprising: at least one first part having a first side and a second side opposite the first side; a deformable casing secured to the first part and connecting the first side to the second side so as to cover the first part.

[0043] This makes it possible to offer jewellery items with the advantages mentioned in relation to the present invention.

[0044] Advantageously, the jewelry item further comprises at least one cross member disposed between the first side and the second side.

[0045] This makes it possible to strengthen the jewelry item and maintain a constant distance between the two sides of the first part, as well as to maintain the spacing of the deformable casing, which may be a mesh part of the articulation element.

[0046] Advantageously, jewelry items: - further comprising at least one second part movably attached to the first part.

[0047] Advantageously, jewelry items: - further comprising at least one hinge and / or clasp arranged between the first part and the second part, preferably concealed by the deformable casing.

[0048] Wherever possible and necessary, embodiments and aspects of the present invention may be combined with one another or portions thereof may be used in other embodiments. [Brief explanation of the drawings]

[0049] Other characteristics and advantages of the invention will become more apparent on reading the following detailed description of embodiments of the invention given as non-limiting examples and illustrated by the accompanying drawings, in which: [Figure 1] 1 shows a cross-sectional view of a jewelry item according to a first embodiment of the present invention; [Figure 2] 1A and 1B show a cross-sectional view and a perspective view of a jewelry item according to a variation of the first embodiment. [Figure 3] 1 shows a perspective view of a jewelry item according to a first embodiment; [Figure 4] 1 shows a detailed top view of an articulating element of a jewelry item. [Figure 5] A detailed perspective bottom view of two articulating elements is shown. [Figure 6] FIG. 1 shows a detailed perspective view of two articulation elements. [Figure 7] 2 shows a cross-sectional view of a jewelry item according to a second embodiment of the present invention; [Figure 8] 1 shows an exploded perspective view of a jewelry item according to a third embodiment of the present invention; [Figure 9] 10 shows a detailed view of a jewelry item according to a third embodiment of the present invention in perspective view. [Figure 10] 10 shows a detailed view of a jewelry item according to a third embodiment of the present invention from an opposite perspective view to that of FIG. 9. [Figure 11] 10 shows a detailed view of a jewelry item according to a third embodiment of the present invention in cross section. [Figure 12] 1 shows an exploded perspective view of a jewelry item according to a fourth embodiment of the present invention; DETAILED DESCRIPTION OF THE INVENTION

[0050] 1 depicts a jewelry item 100 according to the present invention. Jewelry item 100 may be, for example, a ring 100, an earring 100, or a pendant 100, without being limited to these examples.

[0051] The ring 100 comprises at least a first part 1 and at least a second part 2 movably mounted relative to the first part 1 .

[0052] The ring 100 further comprises a deformable casing 3 connecting the first part 1 and the second part 2. The deformable casing 3 is thus fixed to the first part 1 and the second part 2. Preferably, the link between the deformable casing 3 and the first part 1 and the second part 2 is non-detachable.

[0053] Preferably, the deformable casing 3 may be a mesh of articulation elements 20. The articulation elements 20 are movable relative to one another, which allows the deformable casing to be deformed, for example, under the action of pressure from the user's fingers.

[0054] The second part 2 is movable relative to the first part 1 at a connection 2g, such as a sliding connection between the first part 1 and the second part 2. The connection 2g between the first part 1 and the second part 2 may be, without being limited to these examples, a slide pivot, a ball joint, a segment, or a dovetail.

[0055] Thus, pressure from the user on the joint element 20 of the mesh section allows not only this joint element 20 to be moved, but also adjacent joint elements 20, and gradually move the second part 2 that is at least partially fixed to the joint element 20 (for example, by the outer joint element 20ex of the mesh section of the joint element 20). Pressure from the user therefore allows the second part 2 to be moved along the connection 2g between the second part 2 and the first part 1. In other words, the connection 2g between the first part 1 and the second part 2 allows for the displacement of the joint element 20 to be facilitated. This facilitates the deformation of the deformable casing 3, and allows its amplitude to be increased. Furthermore, the deformation of the deformable casing 3 may be limited by an abutment, for example at the connection 2g, to limit the deformation of the deformable casing 3, for example to avoid jamming at the level of the joint element 20. In other words, the outer joint element 20ex is fixed to the first part 1 and / or the second part 2 and to the remainder of the mesh of the joint element 20. The joint element 20ex may each comprise a part (e.g., a base part 20b) attached to the first part 1 and / or the second part 2 and one or more interlacing parts 20e attached to the remainder of the mesh of the joint element 20.

[0056] Furthermore, the mesh of the articulation element 20 can limit the amplitude of the displacement of the deformable casing 3 and therefore in particular of the second part 2 relative to the first part 1 .

[0057] Furthermore, the ring 100 may comprise an elastic element 4 arranged under or above the deformable casing 3. In the example of Fig. 1, the elastic element 4 is arranged under the deformable casing 3 and presses against the underside of the articulation element base 20b of the articulation element 20. This allows the deformable casing 30 to elastically return. It is possible to provide elastic elements 4 under several articulation element bases 20b. Furthermore, it is possible to provide bases 4b for the elastic elements 4, which may comprise a mesh portion of an elongated elastic element (or elongated portion) to maintain and / or return the mesh portion of the articulation element 20. The elongated portion may extend from the base 4b to the articulation element base 20b.

[0058] The first part 1 may be a bushing, preferably a rigid bushing, and a deformable casing 3 may cover the first part 1. Preferably, each of the first part 1 and / or the second part 2 may be integral, monolithic, made in a single piece, and / or may have no internal joints. Furthermore, the second part 2 is preferably attached directly to the first part 1.

[0059] The first part 1 may have a longitudinal axis X and a recess arranged to receive a user's finger along the longitudinal axis X. The first part 1, particularly if it is a bushing, preferably has a radial axis Z passing through the center of gravity of the bushing.

[0060] The base 4b of the elastic part 4 may preferably be fixed or secured to the external joint element 20ex.

[0061] Furthermore, it is possible to provide a connection between the base 4b and the elongated portion of the elastic element 4 (for example a sliding connection).

[0062] Furthermore, it is possible to provide different elasticities between the elongated portions of the elastic element 4 in order to facilitate the movement of the second element 2 .

[0063] The elastic element 4 is preferably underneath, i.e. arranged below the mesh of the articulation element 20 and at least partly hidden by the latter, in other words arranged between the articulation element 20 and the first part 1 and / or the second part 2.

[0064] FIG. 2 shows in cross-sectional perspective view a jewelry item 100, for example a ring 100, according to a variant of the first embodiment.

[0065] Reference numbers common between embodiments are repeated where possible and necessary.

[0066] In this embodiment, it is possible to provide symmetry for the mesh of the articulation element 20, for example with respect to the axis Z. Similarly, it is possible to provide symmetry for the elastic part 4, for example with respect to the axis Z1. An offset between the axes Z and Z1 is therefore possible, which makes it possible to provide considerable design freedom, in particular for aesthetic and ergonomic reasons, but also to facilitate the sliding of the second part 2 relative to the first part 1. With reference to Figure 1, it should be noted that the axes Z and Z1 are identical.

[0067] 3 shows a first embodiment of the ring 100 to illustrate its final appearance. The ring 100 may be provided with decorative elements. For example, it is possible to provide a diamond setting 20d at the level of the articulation element 20. Instead of or in addition to the diamond 20d, it is possible to provide a stone (for example, a precious stone, a noble stone, or an organic stone) or another decorative element.

[0068] Furthermore, the term "network of articulated elements 20" refers to a set of meshes whose more or less dense interleaving forms a grid, lattice, or bridges. In other words, it is a mesh fabric, preferably a metal mesh fabric, i.e., a flexible, thin set obtained by a regular collection of threads, preferably metal threads, or interwoven fibers, formed by a mesh of a single thread, or a fabric of several threads, or by a single continuous piece produced by three-dimensional printing (also called 3D printing). In this case, the interlacings and panels are advantageously formed as a continuous piece. The articulated element 20 is shown and explained in more detail with reference to Figures 4 to 6.

[0069] FIG. 4 shows a detailed top view of the articulation element 20.

[0070] Here, "top view" means a view from outside the ring 100, perpendicular to the surface of the casing, when the articulation elements 20 are assembled into the mesh of articulation elements 20 to form the casing 3.

[0071] Each articulation element 20 comprises an outer panel 20p, as described above. In the example shown in Figure 4, each articulation element 20 comprises four, preferably spiral, interlacings 20e.

[0072] The articulation element 20 is shown with the diamond-shaped portion 20d disposed on the outer panel 20p. For example, the dimensions of the panel 20p are approximately 1.60 mm square on each side. The mobility of the panel 20p allows for the creation of light reflections and effects on the set stone. In addition to or instead of the setting, it is further possible to provide smoothing of the panel 20p or to provide a texture on the panel 20p or a surface heat treatment to impart a textured or, for example, satin or colored appearance to the panel 20p. This results in a new kind of jewelry item that offers unique aesthetics, allowing the user to interact with the jewelry item 100 in a tactile way to transform the jewelry item 100 or to impart light effects to the panel 20p or the set stone.

[0073] Tabs 20g may be provided to hold diamond 20d in place.

[0074] FIG. 5 shows a detailed perspective bottom view of two articulation elements 20.

[0075] Here, "bottom view" means a view from the inside of the case 100 when the articulation elements 20 are assembled to the web of articulation elements 20 to form the casing 3.

[0076] As mentioned above, each of the joint elements 20 comprises an joint element base 20b.

[0077] The joint elements 20 are intertwined, and the connecting portions 20e of one joint element 20 are interleaved with the interlacings 20e of another adjacent joint element 20. Therefore, the interlacings 20e are held in an engaging position with one another, i.e., with a gap. This allows the joint elements 20 to be interlocked with one another. In other words, the mesh portions of the joint elements 20 are also mesh portions of a mesh.

[0078] It is possible to provide a gap between the panels 20p of the articulation elements 20. The gap between two articulation elements 20 is typically 0.1 to 0.2 mm at the height of the panels 20p. This gap is consistent with the fact that the surfaces of the panels are substantially continuous with one another to form an outer wall.

[0079] FIG. 6 shows a detailed perspective view of two articulation elements 20.

[0080] The articulation elements 20 are interleaved with one another via interlacings 20e. The articulation elements 20 are typically 1.6 mm in height.

[0081] FIG. 7 shows a second embodiment of the ring 100 .

[0082] For example, it is possible to change the dimensions of the ring 100 to provide a more rounded shape for the deformable casing 3. Thus, in one preferred embodiment, the deformable casing 3 is a toroidal shape, particularly an asymmetrical toroidal shape, as illustrated in FIG.

[0083] The articulation element 20 is preferably made by 3D printing or welding (or sintering). The articulation element 20 can be made from any suitable material, such as gold, silver, steel, or a plastic material. The same applies to the first part 1 and / or the second part 2. The elastic part may be made from elastomer or silicone, for example.

[0084] The elastic element 4 may be an elastic mesh, also called a bumper. The elastic mesh 4 forms a frame that supports and holds the mesh part of the joint element 20. The elastic mesh may be produced by 3D printing. The elastic element 4 may have a lattice structure and may be made of a composite material.

[0085] Preferably, the elastic element 4 may be an elastic net, for example comprising a network of elastic elements with solid portions separated by perforations, the solid portions preferably being arranged facing the base of the articular element 20b so as to elastically hold the articular element 20b.

[0086] Thus, when the user presses the jewelry item 100 at the height of one or more panels 20p, the articulation elements 20 are held elastically, i.e. they return to their initial position when the user's pressing ends.

[0087] This also provides resistance to pressure from the user, which provides a pleasant to the touch and enjoyable wall surface of ring 100.

[0088] The perforated portions of the elastic netting also contribute to good mechanical strength of the netting, particularly by limiting bulging of the elastic netting, denting or deterioration of the plastic.

[0089] Preferably, the repeating pattern of the elastic netting is diamond-shaped when viewed from above.

[0090] Preferably, the elastic mesh is constructed with mesh sizes similar or proportional to (or corresponding to) the mesh sizes of the mesh portions of the articulation elements, although in practice the mesh sizes of the mesh portions of the articulation elements and the elastic mesh are not identical.

[0091] As a variant, the elastic mesh may be wider or looser, ie the mesh size is larger and elastic support is ensured, for example, only on the proximal half of the articulation element 20b.

[0092] FIG. 8 shows an exploded perspective view of a jewelry item according to a third embodiment of the present invention.

[0093] The ring 100 is shown with the elastic part 4 as well as the first part 1 .

[0094] The elastic element 4 can therefore conform to the internal shape of the mesh portion of the joint element 20 so as to support the mesh portion of the joint element 20, particularly at the height of a plurality of supported joint elements 20. The elastic element 4 thus preferably forms a mesh portion that corresponds to the mesh portion of the joint element 20. Alternatively, it is possible that there is no necessary correspondence between the mesh portion of the joint element 20 and the mesh portion of the elastic element 4, and that mesh bars of the elastic element 4 are provided for some joint elements 20, without all joint elements 20 being directly supported by the mesh portion of the elastic element 4. Therefore, it is possible to adjust the stiffness and flexibility by adjusting the number of joint elements 20 directly supported by the mesh portion of the elastic element 4, for example, between 0 and 30%, between 0 and 50%, between 0 and 75%, or between 0 and 100%.

[0095] The external joint element 20ex is preferably connected or fixed to the first part 1.

[0096] Alternatively, the element 20ex is not directly connected to the part 1.

[0097] The elements 20ex are connected to rigid bushings 21ex, which are preferably made directly during printing or welded in. It is possible to weld these bushings 21ex to the small bars 30 and 31 and then fix the small bars 30 and 31 of the ring 100 (by screws or pins) to fix the whole to the part 1, which simplifies removal, installation and after-sales servicing.

[0098] FIG. 9 shows a detailed view of a jewelry item according to a third embodiment of the present invention in perspective view.

[0099] The ring 100 may comprise one or more cross members or small bars 30, 31 as shown above to maintain the lateral spacing of the mesh portions of the articulation elements 20, preferably via rigid bushings 21ex. In the example of Figures 9 and 10, the ring 100 comprises a first cross member 30 and a second cross member 31 as shown in Figure 10.

[0100] The first cross member 30 is shown at the top, the second cross member 31 is hidden by the first part 1 and is fixed by one (or more) screws 41. The first part 1 is thus screwed and secured to the cross member 31 by the screws 41.

[0101] FIG. 10 shows a detailed view of a jewelry item according to a third embodiment of the present invention in an opposite perspective view to that of FIG.

[0102] The cross member 30 is fixed and secured to the first part 1 by one (or more) pins 40 housed in a housing 40h. The cross members 30, 31 are welded or manufactured by 3D printing to be secured to the external articulation elements 20ex or bushings 21ex of the first row.

[0103] In one particular embodiment, the heads of the screws 41 and pins 40 are concealed by welding or brazing while still allowing for removal, particularly for repair and maintenance.

[0104] FIG. 11 shows a detailed view of a jewelry item according to a third embodiment of the present invention in cross section.

[0105] It is possible to see the screw 41 threaded into the threaded hole 41h of the cross member 31. Similarly, it is possible to see the pin 40 housed in the calibrated hole 40h of the cross member 30 (and the first part 1).

[0106] The edges of the articular mesh, also referred to as the outer articular element 20ex, may be integral with the first part 1 or may be attached to the rigid bushing 21ex. They are preferably manufactured directly by 3D printing. In other words, the outer articular element 20ex is fixed on one side to the rigid bushing 21ex and on the other side to the rest of the mesh of the articular element 20.

[0107] In Figures 9 to 11, the remainder of the mesh of the articulation element 20 is hidden to make the figures more legible.

[0108] FIG. 12 shows an exploded perspective view of a jewelry item according to a fourth embodiment of the present invention.

[0109] FIG. 12 shows a fourth embodiment, which is a bracelet 200 .

[0110] The bracelet 200 comprises a first part 101 and a second part 102 movably attached to the first part 101 .

[0111] The first part 101 and / or the second part 102 preferably comprise the mesh part of the articulation element 20. The second part 102 may be made of a rigid mesh (or a rigid part with the appearance of a mesh) and the first part 101 may be made of a flexible mesh.

[0112] The bracelet 200 further comprises a hinge 107 connecting the first part 101 and the second part 102, allowing a rotational movement between them so as to allow the bracelet 200 to be opened.

[0113] The bracelet 200 further comprises clasps or pushers 105, 106 connecting the first part 101 and the second part 102 to secure them together to enable closing the bracelet 200. The clasp comprises a first part 106 secured to the first part 101 and a second part 105 secured to the second part 102.

[0114] The bracelet 200 further comprises elastic parts (not shown), preferably made of polyurethane, housed in the first part 101 and / or the second part 102 .

[0115] The bracelet 200 further comprises a first inner cover 108, preferably rigid, to close the interior space of the first part 102 and to hide an elastic part (not shown) if necessary.

[0116] The bracelet 200 further comprises a second, preferably rigid, inner cover 103, 104 to close the interior space of the second part 102 and, if necessary, to hide the elastic part (not shown). The second cover 103, 104 may be made of several parts with a removable cover 103 to facilitate repair and maintenance (e.g., replacement) of the mesh part and / or the elastic part of the articulation element 20. It is also possible to provide such a removable cover for the first part 1. The removable cover may be fastened to the edge of the cover 104 by one or more screws (e.g., four).

[0117] The external articulation element 20ex is fixed on one side to the hinges 107 and clasps 105, 106 and on the other side to the rest of the mesh of the articulation element. Alternatively, the hinges 107 and clasps 105, 106 can be fixed to the covers 104, 108. The hinges 107 and clasps 105, 106 can be hidden by the mesh of the articulation element 20. The hinges 107 and / or pushers 105, 106 can be below the mesh so that the free ends of the mesh are at the level of the clasps or hinges.

[0118] The external articulation element 20ex is secured to the covers 108, 104, and in particular may be secured thereto by the base 20b.

[0119] It will be understood that various modifications and / or improvements may be made to the various embodiments of the invention described herein which will be apparent to those skilled in the art.

[0120] In particular, reference is made to the possibility of the various elements, such as the first part, the second part, the deformable casing, the interlacing, having other dimensions or other materials, without being limited thereto. It is possible to provide that the elastic part 4 supports a single articulation element 20 or that the elastic part 4 is overmolded with a mesh of the articulation element 20. It is therefore possible to provide a gel filling at the level of each articulation element 20 or to provide an underlying torus formed of gel. Furthermore, it is also possible for the elastic part 4 to act as a bumper.

[0121] More generally, it is also possible to provide a support arranged between the first part 1 and / or the second part 2 and the casing. This support may be elastic, like the elastic part 4 described above, but may also be rigid in order to form a base against deformation of the outer casing. The support may also be a combination of elastic and rigid parts.

[0122] Furthermore, the embodiments can be implemented in combination where possible or necessary.

Claims

1. at least one first part (1); - at least one second part (2) movably attached to said first part (1); - a deformable casing (3) secured to said first part (1) and said second part (2).

2. 2. The jewelry item (100) of claim 1, wherein the deformable casing (3) is a mesh portion of an articulation element (20).

3. 3. The jewelry item (100) according to claim 2, wherein the mesh of the articulation element (20) is arranged to limit the amplitude of displacement of the deformable casing (3).

4. 3. The jewelry item (100) of claim 2, wherein the mesh of the articulation element is positioned to limit the amplitude of displacement of the second part relative to the first part.

5. The jewelry item (100) of any one of claims 2 to 4, wherein the mesh of the articulation elements (20) has a plurality of mesh sizes between the articulation elements (20).

6. 6. The jewelry item (100) of claim 5, wherein the mesh size near the first part (1) or the second part (2) is different from the mesh size at a position away from the first part (1) or the second part (2).

7. A jewellery item (100) according to any one of the preceding claims, wherein said deformable casing (3) is flexible.

8. 8. A jewelry item (100) according to any one of the preceding claims, further comprising an elastic element (4) at least partially disposed above or below the deformable casing (3) so as to enable elastic return of the casing (3).

9. 9. The jewelry item (100) of claim 8, wherein said elastic element (4) comprises a plurality of portions each having elasticity, said elasticity of at least one of said portions being different from the elasticity of the other portions.

10. A jewellery item (100) according to any one of the preceding claims, further comprising a return spring arranged to return movement of said casing (3) or said second part (2).

11. A jewellery item (100) according to any one of the preceding claims, wherein said movement of said second part (2) is telescopic.

12. A jewellery item (100) according to any one of the preceding claims, wherein said movement of said second part (2) is radial.

13. 13. The jewelry item (100) according to any one of the preceding claims, further comprising at least one connection between said first part (1) and said second part (2), said connection preferably being selected from among a slide, a slide pivot, a pivot, a ball joint or a dovetail.

14. Jewellery (100) item according to any one of the preceding claims, wherein said first part (1) is a bushing, preferably a rigid bushing.

15. The jewellery item (100) of any one of claims 1 to 14, wherein at least one of said articulation elements (20) is set or decorated.

16. 16. The jewelry item (100) of claim 15, wherein the deformable casing (3) is arranged to cover an outer portion of the bushing.

17. A jewellery item (100) according to any one of the preceding claims, wherein said deformable casing (3) is toroidal, preferably asymmetrical.

18. at least one first part (1) having a first side and a second side opposite said first side; a deformable casing (3) secured to said first part (1) and connecting said first side to said second side so as to cover said first part (1).

19. 20. The jewelry item (100) of claim 18, further comprising at least one cross member disposed between said first side and said second side.

20. - A jewellery item (100) according to any one of claims 18 or 19, further comprising at least one second part (2) movably attached to said first part (1).

21. A jewelry item (100) according to claim 20, further comprising at least one hinge and / or clasp arranged between said first part and said second part, preferably hidden by said deformable casing.

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