ORNAMENT

Abstract

An ornament has extremely high ornamental presentability, and can easily swing and move about freely in any direction in a manner that can be sustained for a long time, as a result of which visual perceptibility is increased to observers through repetitive variation in the direction of refraction and reflection at the jewelry member. The ornament has an ornament body provided with a receiving portion; a pivot shaft provided in erect fashion on, and in such manner that a bottom end portion thereof makes contact with, said receiving portion; a rigid suspending arm portion that protrudes from a top end portion of said pivot shaft; and a jewelry member supported in pendent fashion by a lower portion of said suspending arm portion; the ornament being characterized in that said pivot shaft is capable of pivoting freely about the bottom end portion thereof as pivot point on said receiving portion.

Claims

1. An ornament having an ornament body which is provided with a receiving portion; a pivot shaft provided in erect fashion on, and in such manner that only a bottom end portion thereof makes contact with, said receiving portion; a rigid suspending arm portion that protrudes from a top end portion of said pivot shaft; and a jewelry member supported in pendent fashion by a lower portion of said suspending arm portion; the ornament being characterized in that said pivot shaft, said suspending arm portion, and the jewelry member supported in pendent fashion by the lower portion of said suspending arm portion are formed in integral fashion; and said pivot shaft is capable of pivoting freely about the bottom end portion thereof as pivot point on said receiving portion.

2. The ornament according to claim 1 characterized in that the suspending arm portion is an arcuate or ring-like rigid body; and the jewelry member supported in pendent fashion by the lower portion of said suspending arm portion hangs below the receiving portion.

3. The ornament according to claim 1 characterized in that the receiving portion is provided along a long direction thereof with a groove, a top face of which is open; and the long direction thereof is curved in arcuate half-moon fashion.

4. The ornament according to claim 1 characterized in that the receiving portion is a rail having a U-shaped cross-section, a top face of which is an open end thereof; and said rail is curved in arcuate half-moon fashion in a long direction thereof.

5. The ornament according to claim 1 characterized in that the receiving portion is depressed in concave fashion at a center thereof.

6. The ornament according to claim 1 characterized in that the bottom end of the pivot shaft is curved in hemispheric fashion.

7. The ornament according to claim 1 characterized in that the bottom end of the pivot shaft is in a shape of a conically pointed needle.

8. The ornament according to claim 2 characterized in that the receiving portion is provided along a long direction thereof with a groove, a top face of which is open; and the long direction thereof is curved in arcuate half-moon fashion.

9. The ornament according to claim 2 characterized in that the receiving portion is a rail having a U-shaped cross-section, a top face of which is an open end thereof; and said rail is curved in arcuate half-moon fashion in a long direction thereof.

10. The ornament according to claim 2 characterized in that the receiving portion is depressed in concave fashion at a center thereof.

11. The ornament according to claim 2 characterized in that the bottom end of the pivot shaft is curved in hemispheric fashion.

12. The ornament according to claim 3 characterized in that the bottom end of the pivot shaft is curved in hemispheric fashion.

13. The ornament according to claim 4 characterized in that the bottom end of the pivot shaft is curved in hemispheric fashion.

14. The ornament according to claim 5 characterized in that the bottom end of the pivot shaft is curved in hemispheric fashion.

15. The ornament according to claim 2 characterized in that the bottom end of the pivot shaft is in a shape of a conically pointed needle.

16. The ornament according to claim 3 characterized in that the bottom end of the pivot shaft is in a shape of a conically pointed needle.

17. The ornament according to claim 4 characterized in that the bottom end of the pivot shaft is in a shape of a conically pointed needle.

18. The ornament according to claim 5 characterized in that the bottom end of the pivot shaft is in a shape of a conically pointed needle.

Description

BRIEF DESCRIPTION OF DRAWINGS

[0044] FIG. 1 Drawing illustrating overall structure of an ornament body in accordance with a first working example of the present invention.

[0045] FIG. 2 Drawing illustrating pivoting components and the upper portion of the ornament body in accordance with the first working example.

[0046] FIG. 3 Drawing illustrating pivoting components and rail portion of the ornament body in accordance with the first working example.

[0047] FIG. 4 Drawing illustrating an example in which a concave receiving portion is provided at the top face of a horizontal rod, contact with the bottom end of a pivot shaft providing support for pivoting components in accordance with another embodiment of the present invention.

[0048] FIG. 5 Drawing illustrating in schematic fashion the movement of pivoting components when the pivot shaft tilts in the front-to-back direction.

[0049] FIG. 6 Drawing illustrating in schematic fashion the movement of pivoting components when the pivot shaft tilts in the left-to-right direction.

[0050] FIG. 7 Drawing illustrating in schematic fashion the movement of pivoting components and the movement of the bottom end of the pivot shaft when the pivot shaft swings and moves about by a large amount in the left-to-right direction due to the fact that a large oscillation has been imparted thereto.

[0051] FIG. 8 Drawing illustrating overall structure of entire ornament in accordance with a second working example.

[0052] FIG. 9 Explanatory drawing showing in schematic fashion how the pivoting components of the second working example pivot about the receiving portion.

EMBODIMENTS FOR CARRYING OUT INVENTION

[0053] Below, embodiments for carrying out the present invention are described with reference to the drawings where appropriate. Note that, for purposes of describing the present invention in specific terms, the following description employs the example of a pendant provided with a necklace as an ornament body (11). The present invention is of course not limited to necklaces but may also be applied to stud earrings, earrings, ear cuffs, necklaces, broaches, rings, cuffs, and necktie pins, so long as that ornament body has provided therein a receiving portion that comes in contact with the bottom end of a pivot shaft, a jewelry member being supported in pendent fashion by a suspending arm portion by way of the pivot shaft. Moreover, it may also be applied to a decorative wristwatch.

[0054] First, because the pivot shaft (12), the suspending arm portion (16) which protrudes from the top end portion (13) of the pivot shaft, the jewelry member (17) which is suspended below the suspending arm portion, and the jewelry member setting (18) for supporting the jewelry member in pendent fashion are such that the entirety pivots in integral fashion about the bottom end (14) of the pivot shaft which serves as pivot point, the term pivoting components is hereinafter used to collectively refer to these when describing the motion of these together as an integral unit.

[0055] Now, preferred as the pivot shaft (12) and the suspending arm portion (16) in accordance with the present invention is that these be made to have rigidity as a result of being constituted by an integral member made of precious metal(s), for example, it moreover being preferred that the setting (18) and/or other supporting parts from which the jewelry member (17) is suspended also be formed in integral fashion with respect to the bottom end of the suspending arm portion. As precious metal, while gold, silver, platinum group metals, and/or alloys employing these as primary constituent(s) are preferred, other metal(s) may be employed, and these may furthermore be made to undergo surface coating treatment with precious metal(s) through methods such as plating, vapor deposition, and/or the like. Besides these, it can also be applied to items formed in integral fashion from hard plastic resin(s), and/or items in which these have furthermore been made to undergo surface coating treatment with precious metal(s). Among these, with regard to the pivot shaft (12), the suspending arm portion (16), and the setting (18) which secures the jewelry member (17), besides the fact that it is possible to obtain these by preparing an item obtained by pouring the same material for each of these into die(s) and molding them in integral fashion, the respective parts may be joined together in integral fashion by welding and/or adhesive to produce the finished pivoting components.

[0056] Furthermore, with respect to the setting (18) for supporting the jewelry member (17) provided at the bottom end of the suspending arm portion (16), where, for example, a diamond is to be supported thereby, prong(s) (19) might be made to protrude from the setting (18) so as to permit retention of a gemstone or other such jewelry member (17), thus permitting the diamond to be appropriately supported by and secured to the setting (18). Of course, so long as it is capable of causing the jewelry member (17) to be supported by and secured to the bottom end of the suspending arm portion (16), there is no restriction with regard to the specific configuration of the setting (18) or the manner in which the jewelry member (17) is secured thereby, and so the jewelry member (17) might, for example, be removably and/or replaceably mounted in the setting (18).

[0057] It being desirable that these be such that the suspended jewelry member (17) is capable of causing reflection and refraction of light incident thereon from a light source when these are made to undergo minute swinging, well-polished decorative precious metal(s) and/or gemstone(s) as well as imitations thereof may be cited as examples. As gemstone, while diamond which is endowed with bountiful reflection and refraction is preferred, a wide range of other gemstones may also be employed, without regard to whether they are transparent or opaque, these including, for example, rock crystal, quartz, pyroxene, feldspar, emerald, ruby, sapphire, garnet, aquamarine, amethyst, cat's eye, tourmaline, apatite, opal, jade, coral, and amber. Of these, those that have undergone surface machining in which the surface has been cut in complex fashion are preferred because of the way they glitter due to reflection and refraction. Furthermore, precious metals are gold, silver, platinum group metals, as well as alloys thereof; and it is also possible to employ items that have been made to undergo surface coating treatment with such precious metal(s).

[0058] The receiving portion (15) is a region that comes in contact at the top flat surface thereof with the pivot shaft bottom end (14), it being possible so as to permit the load of the pivot shaft (12) to be borne thereby for, for example, the ornament body (11) to be provided with a horizontal rod (23) and for a concave portion formed by causing part of the top surface of the rod body to be relieved in conical or hemispherical fashion to be employed as the receiving portion (15) as shown in FIG. 4, or for a rail-like part having a V-shaped groove provided along the long direction thereof, or a groove (24) having a U-shaped cross-section, in which the top face thereof is the open face, provided at the ornament body (11) to be employed as the receiving portion (15) as shown in FIG. 2 and FIG. 3. If the open rail (25) of the groove (24) at this receiving portion (15) is itself bowed in arcuate half-moon fashion, because the place where contact occurs at pivot shaft bottom end (14) will naturally be guided to the lowest portion of curved groove (24), even when a rail-like part is employed as receiving portion (15), the phenomenon whereby sliding in lateral fashion such as would cause a large amount of movement by pivot shaft bottom end (14) within groove (24) when the pivot shaft (12) tilts in the direction of the groove (24) of the rail (25) is reduced. Attenuation of swinging is therefore suppressed. In addition, where such a rail-like groove is used, because manufacturing operations can be made more simple than would be the case if a receiving portion were to be provided at a part of a rod body, this will facilitate manufacture. For example, if a drill or the like were to be used to form a conical concavity to serve as receiving portion (15) on a thin rod of diameter 1 mm or less, there would be a tendency for this to be inconvenient and for there to be variation in procedures due to precision and centering; but if a rail-like part having a groove (24) of U-shaped cross-section in the long direction thereof were to be made, this would not be very difficult, and even the process of bending the rail (25) so that it is somewhat bowed could be managed within particular difficulty. Moreover, this may also be fabricated with good precision through use of a vacuum casting apparatus employing a die or the like.

[0059] Furthermore, with respect to the pivot shaft (12), besides being those which are in the shape of a slender cylinder, those resembling a conical needle, the bottom end of which is the pointed side, such as are shown in FIG. 8 and FIG. 9, and the like may be cited as examples. With regard to contact with the receiving portion (15), because point contact is desirable, it is preferred that the pivot shaft (12) be made in the shape of downward-pointing cone so as to cause the shape at the tip of the pivot shaft bottom end (14) (12) to be needle-like, or that the region toward the bottom end (14) thereof be curved in hemispherical fashion as shown in FIG. 3 and FIG. 4.

[0060] Now, because the jewelry member (17) that is suspended from the bottom end of the suspending arm portion (16) is such that the weight of the jewelry member (17) will vary greatly depending on the design employed thereat and depending on the size of the gemstone that is gripped thereby, the location of the overall center of gravity of the pivoting components will differ depending on the weight and size of the member that is suspended therefrom. The further that the center of gravity of the pivoting components is disposed below the height of the pivot point of the pivot shaft bottom end (14) the better, as this will generally facilitate pivoting. Adjustment of the length of the pivot shaft (12), the length of the suspending arm (16), the location of the suspended jewelry member (17), and so forth in light of the height of the pivot point of the pivot shaft bottom end (14) and the location of the center of gravity of the pivoting components will therefore permit stable pivoting to be attained. It should at least be the case that the center of gravity of the pivoting components, when at rest, is not higher than the height of the pivot point of the pivot shaft bottom end (14).

Swinging

[0061] Now, whereas pivot shaft (12), upon being tilted, attempts to return to a location at which it will ultimately come to be at rest as shown at (b) in FIG. 5 and in solid line at FIG. 6, as the only point of contact with receiving portion (15) is where it comes in contact therewith at the pivot point, it tends to be extremely sensitive and to easily engage in swinging. It therefore repeatedly pivots in continuous fashion, continuing in motion in quivering fashion until the swinging subsides. That is, once it has been set to swinging, because it repeatedly swings back and forth until it eventually reaches the point where it is stably at rest, it pivots continuously for a long time. This is because, for small angular inclinations, it pivots repeatedly after the fashion of the motion of a pendulum engaging in simple harmonic motion. It causes jewelry member (17) to pivot continuously for much longer than has been the case with conventional ornaments employing jewelry members that are capable of oscillation.

[0062] In addition, swinging on the order of the sort that is repeatedly engaged in by a wearer who is performing activity on the order of normal breathing, or who makes slight changes in posture, will be enough to impart new pivoting thereto. Swinging therefore never in practice completely subsides and comes to rest, minute pivoting being engaged in repeatedly so long as the ornament of the present invention is worn. This being the case, reflected light and refracted light produced by the cut of the gemstone flashes and flickers in minute patterns, producing multicolored fire, the beauty of which is easily noticed by peripheral onlookers. This is because the fire of a gemstone is such that the true value thereof is more easily made manifest by the sparkling that occurs as a result of its being made to swing and move about. In this way, the ornament of the present invention has high ornamental presentability.

[0063] Furthermore, because the jewelry member (17) suspended from the arm-like suspending portion (16) swings in correspondence to the direction in which swinging is applied thereto, the changing direction of the center of gravity swings and moves about front-and-back and left-and-right in manifold ways. Because when the center of gravity changes greatly in correspondence to the swinging the direction thereof also varies widely, the direction in which pivoting occurs is not limited to being simple left-to-right movement but is capable of engaging in extremely complex modes of swinging. Furthermore, because adequate variation can be obtained in the reflections from the jewelry member (17) with respect to the light incident thereon even when the inclination of the pivot shaft (12) relative to its orientation when at rest is limited to an angle as small as on the order of, e.g., 10 degrees, and because this causes generation of fire as it sparkles and glitters, it is capable of adequate generation of brilliance even over the range of inclinations permitting stable movement.

[0064] Now, because the weights of the ornament body (11) and the jewelry member and other pivoting components are such that there is large difference in mass therebetween, the pivoting components and the ornament body (11) itself have different swinging periods. When the ornament body (11) is heavy, the ornament body (11) will not swing, permitting a situation in which it is only the pivoting components that will continue to undergo minute swinging. Among such situations, there are many cases in which the ornament body (11) is worn in such fashion that it comes in contact with the body of the wearer. For example, in the case of a necklace, this is worn in such fashion that the pendant serving as ornament body (11) comes in contact with the chest. This being the case, the ornament body (11) will not engage in fine and minute oscillations but will remain still, as if fixed in place alongside the chest, and so the pivoting components, which swing about the pivot shaft bottom end (14) which serves as pivot point, will not be attenuated due to reaction to swinging of other components or the like but will be able to continue to undergo fine oscillations for a long time. Furthermore, unlike the low-frequency high-amplitude overall swinging of the ornament body (11) with its large mass, because the pivoting components with their small mass swing about the bottom end of the short pivot shaft which serves as pivot point, and because the distance between the pivot point and the center of gravity is shorter than the distance between the pivot point and the center of gravity applicable to swinging of the ornament body (11), the periods of oscillation of this swinging are such that that of the pivoting components is much smaller than that of the other. As compared with the swinging of the overall ornament body (11), because this therefore makes it possible to obtain myriad repetitions of the sparkling and glittering fire of the pivoting components, this greatly facilitates attainment of visual effectiveness. While period will vary depending on the mass of the pivoting components, it is possible to obtain minute swinging in which the period is on the order of 3 cycles per second. With diamonds and the like, it is usually the case that the larger and more spectacular the diamond the greater the tendency for its brilliance to be visually perceived; however, in accordance with this invention, because even a small-carat diamond is made to swing and move about in extremely minute fashion, the eye is easily drawn to that repeating pattern of sparkly glitter, increasing the value of the diamond and causing its fire-like characteristics to be brought forth in very magnificent fashion.

[0065] Moreover, where a U-shaped groove (24) of a rail (25) curved in the shape of a half-moon is made to serve as receiving portion (15), and the pivot shaft bottom end (14) is made to come in contact with the lowest portion of the groove (24), when this is set to swinging in a direction which as viewed from above is not perpendicular to the rail but is such that the swinging makes an oblique angle with respect to the rail, movement such as would cause the pivot shaft bottom end to come in contact with the sloped surface within the U-shaped groove as shown in FIG. 7 causes the pivot shaft top end (13) to engage not in simple-harmonic-like motion but in a three-dimensional behavior similar to that which would occur if a figure-eight-like locus were being described. This being the case, because the suspended jewelry member not only swings front-and-back but is also made to swing and move about as its direction is twisted left-and-right, there is great production of variation in the sparkling reflections, and visual perceptibility of the variation is increased.

[0066] Described below is a working example in which 18-karat gold alloy was employed as precious metal at the pivoting components and the pendant of the ornament body (11) of the present invention, and a diamond was employed as the suspended jewelry member (17). Of course, other alloy(s), e.g., platinum 950, may be substituted as the precious metal, and the same holds true for gemstones other than diamond.

Working Example 1

[0067] The ornament shown in FIG. 1 is a necklace having a pendant. The ornament body (11) is a pendant having a weight of approximately 1.1 g and a height such that the outside diameter thereof is 11 mm, the top end of the frame thereof which is made of 18-karat gold alloy having an opening in the form of a bail (21) through which a necklace is inserted, insertion of a necklace (20) of identical color which is made of 18-karat gold alloy through said bail (21) permitting this to be worn on the body. At Working Example 1, ornament body (11) is itself such that it also is of substantial decorativeness as a pendant, its external appearance, as shown in FIG. 1, being such that it is of cage-like shape, being provided with a central cavity (22), being engraved in patterns of intricate artisanship, and being decorated with small-carat diamonds slightly smaller than 1 mm at three peripheral locations thereon. In addition, in the vicinity of the top end of the central cavity (22) of ornament body (11), as shown in enlarged fashion at FIG. 2 and FIG. 3, rail (25) which is as long as 5 mm and which is curved in the shape of a half-moon is arranged, a groove (24) being formed at the top face in the long direction of the rail, the entirety of this groove (24) serving as a receiving portion (15). A pivot shaft (12) of length 2 mm stands in freely pivotable fashion in, as the bottom end (14) thereof makes contact with, the groove (24) of the receiving portion (15), a suspending arm portion (16) which is curved so as to permit support from either side to left and right extending below the pivot shaft top end (13), straddling the rail (25) and reaching the upper portion of the space in the central cavity (22). Provided at the lower portion of the suspending arm portion (16) is a setting (18), the size of the setting be large in the present working example. Captured within the setting (18) in such fashion as to cause the table thereof to face to the side is a 0.1-carat round brilliant cut diamond which serves as jewelry member (17) and which is suspended below the suspending arm portion (16) as a result of being secured by prongs (19) at the setting (18).

[0068] As indicated by the arrow in FIG. 3, the pivot shaft (12) is capable of pivoting front-and-back and left-and-right without restriction. In addition, as shown in FIG. 5, relative to FIG. 5 (b) which shows the situation when it is at rest, taking the table of the diamond at the jewelry member (17) as the front, the way this swings in the front-to-back direction is shown at FIGS. 5 (a) and (c). At this drawing, because the upper portion of the suspending arm portion (16) and the pivot shaft (12) are shown in overlapping fashion, the pivot shaft is hidden by the suspending arm portion (16) in the drawing. At the drawing, the pivot shaft bottom end (14) which serves as pivot point of the pivoting components is in contact with the bottom of the receiving portion (15) which is curved in cuplike fashion. FIG. 6 shows how the pivoting components swing and move about in the left-to-right direction about the pivot shaft bottom end (14) as pivot point when the pivot shaft (12) is tilted in the left-to-right direction.

[0069] It will of course be the case that movement of the pivot shaft bottom end (14) within the receiving portion (15) which is curved in cuplike fashion as indicated by the pivot shaft shown in FIG. 7 will be permitted. When swinging becomes vigorous, the pivot point is able to move along the slope of the receiving portion (15) as shown in FIG. 7, as a result of which it will be possible for pivoting to occur smoothly even when the tilt angle is large, and disengagement of the pivot shaft from the receiving portion can also be suppressed. As what is indicated at FIG. 7 is a mechanism for accommodating the situation that exists when motion is vigorous, tilting of the pivot shaft will be as indicated at FIG. 5 and FIG. 6 when there is little momentum, at which time minute swinging will be carried out in repetitive fashion.

[0070] Note that the ornament in accordance with the present invention which is indicated at Working Example 1 is such that the pivoting components and the suspended jewelry member are not limited to reciprocating-motion-like oscillation which would be restricted to a single direction but are capable of pivoting in many directions front-and-back and left-and-right. In addition, when this is set to swinging in a direction which as viewed from above would cause an oblique angle to be made thereby with respect to the rail (25), this will permit the mode of swinging to be three-dimensional, with complex swinging and moving about such as would occur if a figure-eight-like locus were being described. Note also that even where there is variation in the intensity of the force that is applied thereto, and even where there is variation in the direction in which the force is applied thereto, because the amplitude is not really all that large, it will continue to pivot minutely in repetitive fashion about the pivot shaft bottom end as pivot point with a more or less constant period to the swinging. Note, further, that the center of gravity of the pivoting components at the working example is disposed at a location that is below the location of the pivot point of the pivot shaft bottom end (14).

[0071] Whereas Working Example 1 employs a diamond as the jewelry member (17), as the refractive index of diamond is high, being 2.42, the surface thereof may be polished to a mirror-like finish so as to permit utilization of total reflection. By therefore employing complex cuts such as a 58-facet brilliant cut, surface reflection of light incident from various directions on the cut diamond will permit this to sparkle and glitter in minute fashion. Here, refraction and reflection permit even more complex brilliance. At Working Example 1, because, as has been described above, above swinging continues for around 60 seconds, and because the wearer will apply an oscillation thereto as a result of performing some new motion during this period, in practice, when worn, it will continue to swing in uninterrupted fashion.

[0072] Now, with respect to how the ornament of Working Example 1 shown in FIG. 1 continues to swing, the pendant was placed in an upright stand and this was placed on a table, and the time until swinging subsided following application of one oscillation was measured. Because the diamond produced a fire-like display, the time when the sparkling reflections from the swinging subsided was determined to be the time at which oscillation stopped. The upright stand had an upright support that was 80 degrees, the pendant being retained in such fashion as to come in contact with and rest against the surface of the upright support so as to cause the pendant to come in contact with the chest of the body. This being the case, the pendant, which is to say the ornament body, was almost completely free from swinging, as the diamond of the pivoting components continued to pivot with a tiny period.

[0073] In addition, when the foregoing pendant was placed on the stand, and an oscillation was applied to the table one time, with the item of the present invention, the pivoting components engaged in swinging and the diamond of the jewelry member repeatedly glittered in sparkling fashion, approximately 60 seconds being required before the glittering of the diamond subsided. Oscillations were applied from a variety of directions, but in all cases swinging continued for not less than 45 seconds, the average being around 60 seconds.

[0074] By way of comparison, a product having a structure as described at Patent Reference No. 3 was similarly placed atop a table and oscillations were applied thereto. Upon so doing, while it did oscillate in minute fashion, that swinging had subsided within on the order of 10 to 20 seconds. Furthermore, because it was restricted with respect to the direction in which it tended to swing, large variation in swinging occurred depending on the direction in which the oscillations were applied.

[0075] Furthermore, with other conventional ornaments, the jewelry member of the ornament was capable of freely oscillating in the left-to-right direction; however, with respect to the front-to-back direction, while it did oscillate relatively freely when a small force was applied thereto, when a large force was applied thereto the jewelry member did not oscillate either toward the front or the back but moved in a manner akin to sliding and/or it could be determined that it did not continue to oscillate. For this reason, while luster, brilliance, and fire were temporarily produced by the jewelry member, the swinging subsided relatively quickly.

Working Example 2

[0076] As the mode of another working example which is shown in FIG. 8, a constitution is shown in which a concave depression provided at the top central surface of a horizontal rod (23) provided at the upper portion of a cavity (22) in the ornament is made to serve as a receiving portion (15), a conical pivot shaft (12), the tip of which is the bottom end (14), being made to contact the receiving portion (15) at this location. Furthermore, FIG. 9 shows how the pivot shaft bottom end (14) makes contact with the receiving portion (15), and how as it does so it acts as pivot point about which the pivoting components pivot. FIG. 9 (a) shows the situation when at rest, and FIG. 9 (b) shows the situation when the pivot shaft is tilted to the left. At FIG. 9 (b), jewelry member (17) moves to the side opposite pivot shaft top end (13). In other words, at FIG. 9 (b), unlike FIG. 9 (a), when the height of the jewelry member (17) has moved to a location that is somewhat high, and pivot shaft top end (13) is inclined to the left, the center of gravity conversely moves slightly diagonally upward and to the right. From this point, pivot shaft (12) does not proceed to fall down but moves so as to swing back about pivot shaft bottom end (14) as pivot point, as a result of which it is able to swing in repeating fashion.

EXPLANATION OF REFERENCE NUMERALS

[0077] 11 Ornament body [0078] 12 Pivot shaft [0079] 13 Pivot shaft top end portion [0080] 14 Pivot shaft bottom end [0081] 15 Receiving portion [0082] 16 Suspending arm portion [0083] 17 Jewelry member [0084] 18 Setting [0085] 19 Prongs [0086] 20 Necklace [0087] 21 Bail [0088] 22 Cavity [0089] 23 Horizontal rod [0090] 24 Groove [0091] 25 Rail