Abstract: A wearable device includes a ring-shaped housing having a central opening and defining an annular interior volume. The housing is configured to be worn within an ear of a subject such that the subjects ear canal is exposed by the central opening. At least one optical emitter and at least one optical detector are supported within the housing. The housing includes at least one window through which light can be delivered from the at least one optical emitter to the ear, and through which light from the ear can be delivered to the at least one optical detector.

Abstract: Disclosed is a jewellery article including at least one first part having a first cylindrical inner face in which there is provided at least one groove, at least one second part having a second cylindrical inner face provided, in the extension of same, with at least one rim, the at least one rim being arranged facing the at least one groove, and at least one attachment member mechanically secured to the at least one rim of the at least one second part and extending into the at least one groove of the at least one first part; the at least one groove, the at least one rim and the at least one attachment member being configured to allow the at least one first part and the at least one second part to rotate freely with respect to each other.

Abstract: A jewelry ring configuration having interchangeable elements and especially jewelry rings which have a decorative feature mounted on a center ring. This new device/process may be simply described as a device for an interlocking ring system and device with interchangeable outer jackets and center rings comprised with a center ring, ornate and decorative or smooth and with or without gemstones, the center ring in various mounting styles such as prong, bezel, pave etc.; and a jacket as an outer band, held together by one or more straps, the jacket being ornate and with or without gemstones and made of the same, complimentary or contrasting materials as the center ring wherein the interchangeable outer jackets and center rings provide an interchangeable, stylish combination of interlocking jackets and center rings.

Abstract: A rotatable bivalve housing comprising a first annular structure and a second annular structure that may be fixedly engaged with one another to provide a circular volume within which a rotatable ring, or a rotatable ring structure, may be securely rotated. Additionally, the first annular structure may be fixedly engaged with the second annular structure, each annular structure having one or more arcuate bow structures extending outwardly from the portion of the annular structure supportive of the rotatable ring.

Abstract: An interchangeable jewelry setting system that allows for the insertion, removal and replacement of ornamental elements onto a jewelry piece is provided. The jewelry piece may comprise any type of or piece of jewelry onto which an ornamental setting may be fitted such as, for example, a ring, necklace, earring, bracelet, broach, pin, etc. Likewise, any ornamental element may be disposed on the interchangeable setting of the invention, such as, for example, a metallic engraving, ornamental design element, etc.

Abstract: A frame member has two spaced apart parallel rings that are fixed to one another at a first location. At a second location diametrically opposed to the first location of the spaced apart parallel rings provide a seat for an ornamental article. A securing ring is disposed in the space between the parallel rings of the frame member and is fixed to the frame member by a pivot pin that is located nearer to the second location than to the first location. The securing ring is provided with a rigid wire that is aligned with the securing ring and is configured complimentary to a surface of the ornamental article for securing the ornamental article on the seat of the frame member. The securing ring pivots about the pivot pin to allow placement of the ornamental article on the seat and the removal of the ornamental article from the seat.

Abstract: A set consisting of several pairs of rings (1, 2), wherein each ring has a single raised pattern (11, 21) enabling it to fit together with one other ring of the set. The raised pattern is, for example, arranged on the edge (10, 20) of each ring. The ring is mounted on an adaptation ring (3, 4) so that it can be adapted to the diameter of the wearer's finger. The individual ring pairs are manufactured with the aid of a cutting program on a digitally controlled machine.

Abstract: A frame member has two spaced apart parallel rings that are fixed to one another only at a first location. At a second location diametrically opposed to the first location each of the spaced apart parallel rings has a pedestal with a notch therein at an edge of the pedestal adjacent a space separating the parallel rings. The pedestals and notches are circumferentially aligned to cooperate with one another to provide a seat for seating an ornamental article therein. The securing member secures the ornamental article to the frame member. The securing member is a ring inserted in the space between the parallel rings of the frame member in a movable manner and is provided with a means for securing the ornamental article seated in the pedestals and notches of the frame member when the means for securing is aligned with the pedestals and notches of the frame member.

Abstract: The piece of jewellery comprises at least two rings (2, 4) that can nest inside each other and have different diameters. These rings are assembled to each other so as to pivot relative to each other. The piece of jewellery can thus pass from a configuration wherein the rings are tilted to a configuration wherein they are nesting, such that the surface of the smaller ring (2) is concealed. The piece of jewellery further comprises indexing means (26, 11c) comprising a stud (26) secured to one of the rings (2, 4) and which is arranged for cooperating with the edge (30) of an elongated aperture (11c) made in another ring (4), so as to immobilize the rings selectively in a plurality of relative positions.

Abstract: The present invention generally relates to a jewelry ring (1) and a method for the production of such a jewelry ring (1). The jewelry ring consists of a first ring (2) having an inner surface area, a second ring (3) and a sliding ring (4), the latter is located between the first ring (2) and the second ring (3) to ease a preferably frictionless twistability of the two rings to each other.

Abstract: An ornament (1; 11; 21) for a jewellery system, which ornament (1; 11; 21) comprises a base portion (2; 22) that is provided with at least one notch (3; 23a, 23) for receiving an elongate element, and ornamental element (4; 14; 24a, 24b) that can be mounted on the base portion in such a manner that it extends across the notch and thus encloses the elongate element. The base portion (2; 22) and the ornamental element (4; 14; 24a, 24b) are configured such that the ornamental element (4; 14; 24a, 24b) can, in a releasable manner, be mounted on the base portion (2; 22) with any randomly selected orientation relative to the notch (3; 23a, 23b). Additionally, a jewellery system that comprises an elongate element and at least one ornament (1; 11; 21) as described above.

Abstract: A bezel having a lumen open to the top and bottom and a recessed center section is used both to mount a stone to a piece of jewelry and to function as a clasp for the jewelry. The recessed center section of the jewelry can be coupled to a hook to secure the jewelry to the wearer.

Abstract: An engagement set includes a wedding band and an engagement ring to which the wedding band is removably coupled. The shank of the wedding band when joined together with the engagement ring may be inclined relative to the shank of the engagement ring to form an “X” configuration and thereby to symbolize a “kiss”. The engagement set may be joined by a locking mechanism formed of a locking feature on the wedding band and a corresponding recess on the inner surface of the front of the engagement ring. The locking feature and the recess may have an emotionally symbolic shape such as a heart shape or an “X”. There may be an inclined groove at an inner surface of the back of the engagement ring to accommodate the shank of the wedding band when the rings are coupled together.

Abstract: The ring has at least two mutually rotatable parts, with a detent mechanism for respectively one of two mutually rotatable parts, and securing means. For improving the detent mechanism and the substantially play-free retention the detent mechanism is respectively provided in the intersecting plane (S) of two mutually rotatable parts and the mutually rotatable parts are secured by at least one springable element. Furthermore, if marks are provided on the surfaces of the ring, the most varied appearances can be altered and obtained by rotating one of the parts. This applies particularly if the surfaces of the parts are not even but wave-shaped.

Abstract: A ring allowing a longer length of an arm attached to a ring main body is provided. The tilted ring is tiltingly attached to the ring main body. The tilted ring is in an ellipse shape, and the major axis of the ellipse projected on the plane where the ring main body exists is longer than the diameter of the ring main body. Thus, if the ring main body is worn on the finger on which a wedding ring or the like is already worn, the tilted ring does not interfere with the wedding ring. Thus, since the tilted ring can extend downward in addition to upward of the ring main body, the tilted ring can be longer, and the esthetic appearance increases.

Abstract: A jewelry ring has an inner band and an outer band rotatable about the inner band. The outer band has diametrically opposed decorative and counterbalance portions, the decorative portion including a decorative feature, such as a gemstone, and the counterbalance portion weighing more than the decorative portion, such that the decorative feature tends to rotate to face up regardless of the orientation of the wearer's hand.

Abstract: A piece of jewelry comprising a substantially rigid base member comprising a groove along its length and a plurality of beads retained within the groove wherein the shape of the groove conforms to the shape of each bead to limit transverse movement of he beads and to allow the beads to slide along the groove. An outer member over a groove in the beads in turn holds the beads in the groove in the base member.

Abstract: A jewelry ring assembly includes a base ring having an annular channel on its outer surface and a retained ring disposed in that channel to be freely rotatable about the base ring and capable of wobbling in the channel. The base ring is a single piece of metal and its retaining channel is smoothly concave in width between raised annular edges. The base ring is formed from a cylindrical blank initially having a constant outside diameter across its width, which diameter is smaller than the retained ring inside diameter. The method of fabricating the ring assembly begins with flaring one edge radially outward to a final diameter larger than the retained ring inside diameter. The retained ring is moved over the unflared edge, after which that edge is also flared to the final diameter. Enlarging the annular edges in separate steps permits the base ring to be formed from a single piece of metal while presenting a retaining channel having a smooth concave width.

Abstract: A finger ring comprising a generally circular band defining a finger receiving opening. The band has a radially outwardly open window. A jewelry piece is removably received in a displayed position within the window. A pair of levers is rotatably supported on the band on opposite sides of the window. The levers have inner and outer segments and are rotatably adjustable between open and closed positions. In the open position the inner segments protrude into the finger receiving opening and the outer segments are removed from the window to thereby accommodate insertion and removal of the jewelry piece into and from the displayed position. In the closed positions the inner segments are removed from the finger receiving opening and the outer segments extend into the window to mechanically engage and retain the jewelry piece in the displayed position.

Abstract: An item of jewelry preferably in the form of a ring having a first ring portion mechanically interconnected to a second ring portion. Preferably each ring portion includes a plurality of alternating radially inward linking segments and radially outward linking segments. The radially inward linking segments include a groove which mates with a tongue formation on the radially outward linking segments.

Abstract: A jewelry ring assembly includes a base ring having an annular channel on its outer surface and a retained ring disposed in that channel to be freely rotatable about the base ring and capable of wobbling in the channel. The base ring is a single piece of metal and its retaining channel is smoothly concave in width between raised annular edges. The base ring is formed from a cylindrical blank initially having a constant outside diameter across its width, which diameter is smaller than the retained ring inside diameter. The method of fabricating the ring assembly begins with flaring one edge radially outward to a final diameter larger than the retained ring inside diameter. The retained ring is moved over the unflared edge, after which that edge is also flared to the final diameter. Enlarging the annular edges in separate steps permits the base ring to be formed from a single piece of metal while presenting a retaining channel having a smooth concave width.

Abstract: A ring jewelry capable of changing an appearance thereof and enduring a long time use, and also being easily designed to have gorgeous appearance and easily assembled. The ring jewelry comprises a first ring element and a second ring element rotatably connected with the first ring element. The first ring element may comprise a base ring and the second ring element may comprise a rotary ring rotatable mounted on a cylindrical supporting wall of the base ring. The base ring may be divided into a first ring and a second ring fitted to each other. The rotary ring is rotatably held on the supporting wall in a groove formed between annular ridges on peripheral edges of the first and the second rings. A click stop mechanism for holding the rotary ring at a plurality of rotational positions relatively to the base ring may be provided.