Ornaments, jewellery mountings and manufacturing methods for ornaments

Abstract

To provide a base and ornaments capable of holding jewels regardless of variations in the size of the jewels. [Solution] The ornament comprises a gemstone having a crown, girdle and pavilion; a housing section that houses at least a portion of the culet side of the gemstone's pavilion; a support section that protrudes from the inner surface of the housing section inside the housing section and supports a portion of the gemstone's pavilion in the circumferential direction; a first pressing section that is located on the opposite side of the support section across the gemstone and presses the gemstone toward the support section; and a second pressing section that is located at a different position in the circumferential direction of the gemstone from the first pressing section and presses the gemstone toward the support section.

Description

[Technical Field]

[0001] The present invention relates to an ornament, a setting for a jewel, and a method for manufacturing the ornament. [Background technology]

[0002] Patent Document 1 describes a jewel holder that holds a faceted gemstone having a crown, which is the side surface of a truncated cone, a table, which is the truncated surface of the truncated cone, a pavilion, which is the side surface of the lower cone, a culet, which is the apex of the lower cone, and a girdle on the periphery between the crown and the pavilion. The jewel holder has a claw portion that abuts the crown, a contact portion that is formed integrally with the claw portion and abuts the pavilion, and a support seat that is formed integrally with the abutment portion and into which the culet is inserted, and within a seat hole formed approximately in the center of the support seat, a contact surface that comes into contact with the pavilion is formed opposite the claw portion, and the jewel is held between the claw portion and the contact surface. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Utility Model Registration No. 3109898 Summary of the Invention [Problem to be solved by the invention]

[0004] However, although gemstones are processed according to a predetermined size, there is a possibility that tolerances may occur in the actual size due to processing precision, etc. Therefore, even if a base is prepared for a gemstone of a predetermined size, there is a risk that the gemstone may not be held securely depending on its actual size. An object of the present invention is to provide a base or ornament that can hold a jewel regardless of variations in the size of the jewel. [Means for solving the problem]

[0005] With this objective in mind, the technology disclosed in this specification is an ornament comprising: a gemstone having a crown, a girdle, and a pavilion; a housing portion that houses at least a portion of the culet side of the pavilion of the gemstone; a support portion that protrudes from the inner surface of the housing portion inside the housing portion and supports a portion of the pavilion of the gemstone in the circumferential direction; a first pressing portion that is located on the opposite side of the support portion across the gemstone and presses the gemstone toward the support portion; and a second pressing portion that is located at a different position in the circumferential direction of the gemstone from the first pressing portion and presses the gemstone toward the support portion.

[0006] Here, the first pressing portion and the second pressing portion each have a connection portion for connecting an attachment member used when the user hangs the ornament around the neck, and the support portion is preferably provided below the connection portion when the user hangs the ornament around the neck. The housing portion may also have a cover portion that covers the culet side of the pavilion. The cover portion may have a flat surface portion formed in a flat shape on the side opposite to the side facing the curette. Preferably, the first and second pressing portions extend from the outer periphery of the jewel toward the center thereof along the crown of the jewel. The first pressing portion and the second pressing portion may preferably have bent portions that sandwich the girdle of the gemstone. Furthermore, when the jewel is facing forward, the support portion may be provided in an area where an area on the side where the second pressing portion is not located, with a first imaginary line passing through the first pressing portion and running along the longitudinal direction of the first pressing portion as the boundary, overlaps with an area on the side where the first pressing portion is not located, with a second imaginary line passing through the second pressing portion and running along the longitudinal direction of the second pressing portion as the boundary. The support portion may have an arc portion that is disposed opposite the pavilion and is formed in an arc shape. Furthermore, the gemstone is processed to have a round brilliant cut, the storage section is formed in a circular shape with the gemstone facing forward, and the angle formed by a line passing through the center of the storage section and one end of the arc section and a line passing through the center and the other end of the arc section is greater than 45 degrees and less than 135 degrees. The support portion may have a recess into which a protrusion formed by a facet of the pavilion fits. The support portion may have a V-shaped portion that is provided opposite the pavilion and is formed in a V-shape. The support portion may also have a plurality of V-shaped portions arranged in the circumferential direction of the jewel.

[0007] Further, for the above-mentioned purpose, the technology disclosed in this specification provides a method for manufacturing a diamond jewel, comprising: a gemstone having a crown, a girdle, and a pavilion; a circular receiving section for receiving at least a portion of the culet side of the pavilion of the gemstone when the gemstone faces forward; a support section for supporting a portion of the circumferential direction of the pavilion of the gemstone, the support section being formed in an arc shape and projecting from the inner peripheral surface of the receiving section; a first pressing section provided on the opposite side of the support section across the gemstone, for pressing the gemstone against the support section; and a second pressing section for pressing the gemstone against the support section. This ornament comprises: a second pressing portion that is located at a different position from the first pressing portion in the circumferential direction of the stone and presses the gemstone toward the support portion; a first connecting portion that is located above the support portion when the ornament is worn by a user and to which an attachment member used by the user to wear the ornament is connected; a second connecting portion that is located above the support portion when the ornament is worn by a user and to which the attachment member is connected; and a flat portion that is located on the opposite side of the storage portion from the side where the gemstone is stored and is formed into a flat surface.

[0008] Furthermore, with this objective in mind, the technology disclosed in this specification is a mount for a gemstone, which includes: a housing portion that houses at least a portion of the culet side of a pavilion of a gemstone having a crown, girdle, and pavilion formed thereon; a support portion that protrudes from the inner surface of the housing portion inside the housing portion and is capable of supporting a portion of the pavilion of the gemstone in the circumferential direction; a first pressing portion that is located on the opposite side of the support portion across the gemstone and is capable of pressing the gemstone against the support portion; and a second pressing portion that is located at a different position from the first pressing portion in the circumferential direction of the gemstone and is capable of pressing the gemstone against the support portion.

[0009] Furthermore, with this objective in mind, the technology disclosed in this specification is a method for manufacturing ornaments, which includes the steps of placing a gemstone on a support part that supports a circumferential portion of a pavilion of a gemstone having a crown, girdle, and pavilion formed thereon; bending a first pressing part that is located on the opposite side of the support part across the gemstone to press the gemstone toward the support part; and bending a second pressing part that is located at a different position from the first pressing part in the circumferential direction of the gemstone to press the gemstone toward the support part. [Effects of the Invention]

[0010] According to the present invention, it is possible to provide a base or ornament that can hold a jewel regardless of variations in the size of the jewel. [Brief explanation of the drawings]

[0011] [Figure 1] 1(A) and 1(B) are overall views of a personal ornament according to a first embodiment. [Figure 2] 1A, 1B, and 1C are explanatory diagrams of a jewel of the first embodiment. [Figure 3] FIG. 1 is a partial cross-sectional view of a personal ornament according to a first embodiment. [Figure 4] FIG. 2 is an overall perspective view of the base of the first embodiment. [Figure 5] FIG. 2 is a cross-sectional view of the base of the first embodiment. [Figure 6]10(A) and 10(B) are explanatory views showing the arrangement of members on the base of the first embodiment. [Figure 7] 10(A) and 10(B) are diagrams showing the contact state between the support part of the base and the jewel in the first embodiment. [Figure 8] 10(A) and 10(B) are explanatory diagrams of a base of a personal accessory in a second embodiment. [Figure 9] 10(A) and 10(B) are diagrams showing the contact state between the support part of the base and the jewel in the second embodiment. [Figure 10] 10(A) and 10(B) are diagrams showing other contact states between the support part of the base and the jewel in the second embodiment. [Figure 11] 10(A) and 10(B) are explanatory diagrams of a base of a personal accessory according to a third embodiment. [Figure 12] 10(A) and 10(B) are diagrams showing the contact state between the support part of the base and the jewel in the third embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0012] Hereinafter, the present embodiment will be described with reference to the accompanying drawings. First Embodiment Fig. 1 is an overall view of a personal ornament 1 of a first embodiment. Fig. 1(A) is an overall view of the personal ornament 1 seen from the front, and Fig. 1(B) is an overall view of the personal ornament 1 seen from the side.

[0013] As shown in Figures 1(A) and 1(B), the ornament 1 of this embodiment includes a gemstone 90 such as a diamond, and a base 10 to which the gemstone 90 is attached. The gemstone 90 is not limited to diamond, and various other gemstones such as sapphire can be used. Furthermore, various metals such as platinum, silver, and gold can be used for the base 10 of this embodiment.

[0014] The ornament 1 of this embodiment is used as a necklace by passing a metal chain through the first annular portion 14, etc., which will be described later, and hanging it around the neck of a user wearing the ornament 1. As shown in FIG. 1(A), when the user wears the ornament 1, a crown 91 (table facet 911), which will be described later, of the jewel 90 faces forward.

[0015] 1(B), the base 10 has a first arm 11 formed in an arm shape and holding the jewel 90, a second arm 12 formed in an arm shape and holding the jewel 90, and a storage section 13 in which a part of the jewel 90 is stored. The base 10 holds the jewel 90 by the first arm 11, the second arm 12 and the storage section 13.

[0016] Here, the jewel 90 provided on the base 10 of this embodiment will be described in detail. Figure 2 is an explanatory diagram of the jewel 90 of the first embodiment. Figure 2(A) is a side view of the jewel 90, Figure 2(B) is a plan view of the jewel 90, and Figure 2(C) is a bottom view of the jewel 90.

[0017] The gemstone 90 shown in FIGS. 2(A) to 2(C) is cut in a style known as a round brilliant cut.

[0018] As shown in FIG. 2(A), the gemstone 90 has a crown 91 formed on the upper side of the drawing, a pavilion 95 formed on the lower side of the drawing, and a girdle 93 provided between the crown 91 and the pavilion 95. The crown 91 is formed in a truncated cone shape and is formed in a trapezoidal shape when viewed from the side. The pavilion 95 is formed in a cone shape and is formed in a triangular shape when viewed from the side. The girdle 93 is formed in a disk shape and is formed in a rectangular shape when viewed from the side.

[0019] In this embodiment, the direction in which the crown 91, girdle 93, and pavilion 95 are aligned (the up-down direction in FIG. 2(A)) is referred to as the up-down direction of the gem 90. When viewing the gem 90 from the front or bottom, the center of the circular gem 90 is referred to as the center, and the direction away from the center is referred to as the outward direction. Furthermore, the direction from the center to the outward direction of the gem 90 is referred to as the radial direction. In the following description, the direction of the base 10 on which the gem 90 is attached, which corresponds to the up-down direction of the gem 90 when the gem 90 is installed, is referred to as the up-down direction, and the direction corresponding to the radial direction of the gem 90 is referred to as the radial direction.

[0020] As shown in Figures 2(B) and 2(C), the gemstone 90 is formed in a circular shape when viewed from the front or bottom. As shown in Figure 2(B), the crown 91 has a table facet 911, a star facet 912, a bezel facet 913, and an upper girdle facet 914.

[0021] The table facet 911 is formed at the upper end of the gemstone 90 in the vertical direction, towards the center of the crown 91. The table facet 911 is a surface that is approximately perpendicular to the vertical direction. In other words, the table facet 911 is a surface that is perpendicular to the vertical direction. The table facet 911 is formed in an octagonal shape. The table facet 911 has one face.

[0022] The star facet 912 is a surface adjacent to the table facet 911. The star facet 912 is formed in a triangular shape. The star facet 912 is an inclined surface facing upward in the vertical direction. The star facet 912 has eight faces. The bezel facet 913 is a surface adjacent to the two star facets 912. The bezel facet 913 is formed in a quadrangular shape. The bezel facet 913 is an inclined surface facing upward in the vertical direction. The star facet 912 has eight surfaces. The upper girdle facet 914 is a surface adjacent to the bezel facet 913. The upper girdle facet 914 is formed in a fan shape. The upper girdle facet 914 is an inclined surface facing upward in the up-down direction. The upper girdle facet 914 has 16 facets.

[0023] As shown in FIG. 2(C), the pavilion 95 has a lower girdle facet 951, a pavilion facet 952, and a culet 953.

[0024] The lower girdle facets 951 are surfaces formed in a fan shape. The lower girdle facets 951 are inclined surfaces facing downward in the vertical direction. Two adjacent lower girdle facets 951 form a triangular pyramid shape in the pavilion 95. Here, a pair of lower girdle facets 951 formed by two adjacent lower girdle facets 951 is referred to as a "convex facet 951P." The convex facet 951P is formed in a mountain shape, has a ridge-like straight line, and protrudes downward in the vertical direction.

[0025] The pavilion facet 952 is a diamond-shaped surface, and is disposed between one convex facet 951P and another convex facet 951P.

[0026] The culet 953 is provided at the lower end of the pavilion 95. The culet 953 forms the apex of the cone-shaped pavilion 95. The culet 953 is located at the center of the gemstone 90 when viewed from the bottom.

[0027] The ornament 1 of this embodiment comprises a jewel 90 having a crown 91, a girdle 93, and a pavilion 95 formed thereon, a housing 13 for housing at least a portion of the culet 953 side of the pavilion 95 of the jewel 90, a support 17 that protrudes from the inner surface of the housing 13 inside the housing 13 and supports a portion of the pavilion 95 of the jewel 90 in the circumferential direction, a first arm 11 that is provided on the opposite side of the support 17 across the jewel 90 and presses the jewel 90 against the support 17, and a second arm 12 that is provided at a different position from the first arm 11 in the circumferential direction of the jewel 90 and presses the jewel 90 against the support 17. The ornament 1 of this embodiment will be described in detail below.

[0028] As shown in FIG. 1B, the first arm 11 is provided along the vertical direction of the gem 90. The first arm 11 has a general L-shape. One end of the first arm 11 connects to the storage section 13, and the other end contacts the gem 90. In this embodiment, the first arm 11 has a first support section 11P provided on the storage section 13 side and a first claw section 11N provided on the gem 90 side. The first support section 11P and the first claw section 11N are connected via a bent section 11B. The first support section 11P is inclined in a direction away from the outside of the base 10, following the outer shape of the gem 90 (a pavilion 95 described later). The first claw section 11N is inclined in a direction toward the inside of the base 10, following the outer shape of the gem 90 (a crown 91 described later).

[0029] FIG. 3 is a partial cross-sectional view of the ornament 1 of the first embodiment.

[0030] As shown in Fig. 3, the first support column 11P faces the pavilion 95 of the gemstone 90. The first support column 11P in this embodiment is formed so as not to come into contact with the pavilion 95 except in the vicinity of the girdle 93. A gap is formed between the first support column 11P and the pavilion 95.

[0031] The first claws 11N face the crown 91 of the gem 90. The first claws 11N extend from the outside of the gem 90 toward the center. The first claws 11N are provided along the surfaces of the crown 91 (star facet 912, bezel facet 913, and upper girdle facet 914). In this embodiment, the first claws 11N do not extend up to the table facet 911, but extend from the outside toward the center up to just before the table facet 911 (see FIG. 1(A)).

[0032] The bent portion 11B faces the girdle 93. The bent portion 11B sandwiches the girdle 93. This determines the vertical and radial position of the jewel 90 in the first arm 11. The same applies to the bent portion 12B of the second arm 12, which will be described later.

[0033] As shown in FIGS. 1A and 1B, the basic configuration of the second arm 12 is similar to that of the first arm 11. In this embodiment, the second arm 12 is located at a distance from the first arm 11 in the circumferential direction of the jewel 90. In this embodiment, when the center C (culet 953 of the jewel 90) of the housing 13 described later is set as the center of rotation, the first arm 11 and the second arm 12 are located at a predetermined angle θ0 apart (see FIG. 6A described later). The angle θ0 formed between the first arm 11 and the second arm 12 is preferably greater than 90 degrees and less than 180 degrees. In this embodiment, the angle θ0 formed between the first arm 11 and the second arm 12 is set to 125 degrees. The second arm 12 holds the jewel 90 together with the first arm 11.

[0034] As shown in FIG. 1B, the second arm 12 is provided along the vertical direction of the gem 90. The second arm 12 has a general L-shape. One end of the second arm 12 connects to the storage section 13, and the other end contacts the gem 90. In this embodiment, the second arm 12 has a second support section 12P provided on the storage section 13 side and a second claw section 12N provided on the gem 90 side. The second support section 12P and the second claw section 12N are connected via a bent section 12B. The second support section 12P is inclined in a direction away from the outside of the base 10, following the outer shape of the gem 90 (a pavilion 95 described later). The second claw section 12N is inclined in a direction toward the inside of the base 10, following the outer shape of the gem 90 (a crown 91 described later).

[0035] A first ring portion 14 is provided on the first arm portion 11. In this embodiment, the first ring portion 14 is attached to the first support portion 11P. A second ring portion 15 is provided on the first arm portion 11. In this embodiment, the second ring portion 15 is attached to the first support portion 11P. A metal chain, for example, is connected to the first ring portion 14 and the second ring portion 15. The ornament 1 of this embodiment is hung around the user's neck via the chain.

[0036] FIG. 4 is an overall perspective view of the base 10 of the first embodiment. Fig. 5 is a cross-sectional view of the base 10 of the first embodiment. The cross section shown in Fig. 5 is a cross-section of the base 10 taken along a plane that passes through a support portion 17 (described later) along the vertical direction.

[0037] As shown in FIG. 4, the storage section 13 is formed as a whole in the shape of a cylinder with a bottom. A recessed portion 13H is provided inside the storage section 13. The recessed portion 13H is formed so that the inner diameter gradually decreases from the top to the bottom in the vertical direction. The storage section 13 also has a side wall 13S on the outside that surrounds it in the circumferential direction. The side wall 13S is formed so that the outer diameter gradually decreases from the top to the bottom in the vertical direction.

[0038] 5, the thickness of the storage section 13 of this embodiment is formed to become thicker from the top to the bottom. The base 10 of this embodiment is connected to the first arm 11 and the second arm 12 at its bottom in the up-down direction. The base 10 also has a support section 17, which will be described later, inside the recess 13H. Therefore, the storage section 13 of this embodiment is thicker on the bottom side than on the top side, thereby increasing the strength of the bottom side of the storage section 13.

[0039] Furthermore, the storage section 13 of this embodiment is configured so as not to come into contact with the jewel 90, except for the support section 17. When the jewel 90 is inserted inside the storage section 13, a gap (clearance) is formed between the jewel 90 and the upper end 131a in the vertical direction.

[0040] The storage section 13 has a bottom surface 13B on the lower side in the vertical direction. Furthermore, the bottom surface 13B has a flat surface 131 on the outside. The surface 131 constitutes the lower end of the base 10 in the vertical direction in this embodiment. In this embodiment, the surface 131 is formed approximately parallel to the surface of the table facet 911 of the jewel 90. By having the surface 131 at the lower end of the base 10 in this embodiment, when the user wears the ornament 1, the surface 131 comes into contact with the user's skin or clothing in a parallel manner, and acts to position the jewel 90 facing forward.

[0041] The bottom surface portion 13B has a dome surface 132 formed in a hemispherical dome shape on the inside. The dome surface 132 of the bottom surface portion 13B faces the pavilion 95 and covers the culet 953 side. The base 10 of this embodiment can reflect light toward the gemstone 90 due to the metallic luster of the surface of the dome surface 132. This allows the base 10 of this embodiment to make the gemstone 90 appear more radiant.

[0042] Furthermore, the storage section 13 has a support section 17 on the inside. The support section 17 is provided in the recess 13H of the storage section 13 and protrudes from the recess 13H toward the center. The support section 17 is formed in an arc shape. Furthermore, the support section 17 of this embodiment is provided at a position approximately halfway in the up-down direction of the storage section 13. The support section 17 of this embodiment contacts a portion of the pavilion 95 of the jewel 90 in the circumferential direction. The support section 17 partially supports the jewel 90.

[0043] FIG. 6 is an explanatory diagram of the arrangement of components in the base 10 of the first embodiment.

[0044] Here, as shown in FIG. 6(A), the center C of the circular storage section 13 is used as a reference. The center C corresponds to the position of the culet 953 (see FIG. 5) of the gemstone 90. A straight line along the longitudinal direction of the first arm 11 is defined as a first imaginary line L1. A straight line along the longitudinal direction of the second arm 12 is defined as a second imaginary line L2. In the base 10 of this embodiment, the intersection I of the first imaginary line L1 and the second imaginary line L2 corresponds to the position of the center C of the storage section 13. In this embodiment, the first arm 11 and the second arm 12 are arranged so as to face the center C of the storage section 13.

[0045] When viewing base 10 from the top and bottom, support portion 17 is provided on the opposite side of first arm portion 11 and second arm portion 12 across center C of housing portion 13. More specifically, first arm portion 11, second arm portion 12, and support portion 17 are each positioned at the vertices of a triangle. This allows support portion 17 to receive the resultant force of the forces applied to jewel 90 by first arm portion 11 and second arm portion 12. Support portion 17 in this embodiment is located in an area where an area on the side where second arm portion 12 is not provided, with first virtual line L1 as the boundary, overlaps with an area on the side where first arm portion 11 is not provided, with second virtual line L2 as the boundary.

[0046] As shown in Figure 6(B), support portion 17 is formed in an annular fan shape, which is a shape obtained by cutting a ring into a fan shape. Support portion 17 has arc portion 171, which is an arc-shaped surface, on the side facing first arm portion 11 and second arm portion 12. Support portion 17 faces pavilion 95 of jewel 90 when jewel 90 is attached to base 10. Support portion 17 also has one end portion 17a at one end along the arc and another end portion 17b at the other end.

[0047] The angle θ1 formed by the line passing through the center C of housing portion 13 and one end 17a and the line passing through the center C of housing portion 13 and the other end 17b is set to 125 degrees. This corresponds to the angle θ0 formed by first arm portion 11 and second arm portion 12. The angle of support portion 17 is preferably equal to or greater than 45 degrees and less than 135 degrees.

[0048] Here, the convex facets 951P are arranged at 45-degree intervals in the circumferential direction on the pavilion 95. Therefore, by forming an angle of 45 degrees or more and less than 135 degrees, the arc portion 171 can support two or three convex facets 951P. If the angle of the support portion 17 is less than 45 degrees, the support portion 17 will support only one convex facet 951P, making it easier for the gemstone 90 to rotate in the circumferential direction, for example. On the other hand, if the angle of the support portion 17 is 135 degrees or more, the support portion 17 will support four convex facets 951P, which may make the support unstable.

[0049] The first arm 11 and the second arm 12 have a first ring portion 14 and a second ring portion 15 to which an attachment member such as a chain is connected when the user hangs the ornament 1 around the neck. The support portion 17 of this embodiment is provided below the first ring portion 14 and the second ring portion 15 when the user is wearing the ornament 1. As a result, the ornament 1 of this embodiment is hung from the user's neck by the chain connected to the first ring portion 14 and the second ring portion 15. At this time, the support portion 17 provided below the first ring portion 14 and the second ring portion 15 positions the center of gravity of the ornament 1 further downward, thereby stabilizing the position of the jewel 90.

[0050] Next, a method for manufacturing the ornament 1 will be described. Specifically, the holding of the jewel 90 by the base 10 will be described in detail. FIG. 7 is a diagram showing the contact state between the support portion 17 of the base 10 and the jewel 90 in the first embodiment.

[0051] The base 10 (see FIG. 4) having the above-described structure is prepared. At this time, the first claw portion 11N of the first arm portion 11 and the second claw portion 12N of the second arm portion 12 of the base 10 are spaced apart from each other in comparison with the state in which the jewel 90 is held.

[0052] The pavilion 95 side of the gem 90 is then inserted into the housing 13 of the base 10. The support 17 supports a portion of the pavilion 95 in the circumferential direction (see FIG. 5). More specifically, as shown in FIG. 7A, the convex facet 951P of the pavilion 95 faces the arc portion 171 of the support 17. In the base 10 of this embodiment, three convex facets 951P are supported by the support 17. The convex facets 951P of the gem 90 of this embodiment are spaced at 45-degree intervals in the circumferential direction. Meanwhile, the arc portion 171 of this embodiment forms an angle θ1 of 125 degrees (see FIG. 6B). Therefore, the arc portion 171 of this embodiment can come into contact with the three convex facets 951P (points S1, S2, and S3) regardless of the rotation angle of the gem 90 in the circumferential direction.

[0053] 7(B), the support part 17 of this embodiment provides three-point support to the pavilion 95 of the jewel 90, thereby achieving stable support in the support part 17. In other words, if the support part 17 were to provide contact support at four or more points, there is a risk that support of the jewel 90 would become unstable. Therefore, the support part 17 of this embodiment is designed to provide contact support at three or fewer points.

[0054] Thereafter, the first claw portion 11N and the second claw portion 12N are bent so as to follow the surface of the crown 91 of the jewel 90. As a result, the first arm portion 11 and the second arm portion 12 each press the jewel 90 toward the support portion 17. At this time, the first arm portion 11 and the second arm portion 12, together with the support portion 17, determine the position of the jewel 90 in both the vertical and radial directions of the jewel 90. In this way, the base 10 of this embodiment holds the jewel 90 by the first arm portion 11, the second arm portion 12, and the support portion 17.

[0055] In the ornament 1 of this embodiment, as described above, the jewel 90 is pressed against the support 17 by the first arm 11 and the second arm 12. At this time, the support 17 partially supports the pavilion 95 of the jewel 90. This allows the ornament 1 of this embodiment to stably hold the jewel 90. Since the jewel 90 is processed into a predetermined shape, there is a possibility that a tolerance will occur with respect to the predetermined ideal size. On the other hand, the base 10 that holds the jewel 90 is designed assuming the predetermined ideal size of the jewel 90. Here, for example, Ba treasure When supporting the entire circumferential direction of the pavilion 95 of the stone 90, if the size of the gemstone 90 is different from the ideal size, there is a risk that it will not be supported. In contrast, in the ornament 1 of this embodiment, the base 10 can stably hold the gemstone 90.

[0056] Second Embodiment Next, a description will be given of a personal ornament 2 to which the second embodiment is applied. In the description of the second embodiment, the same components as those in the first embodiment will be given the same reference numerals and detailed description thereof will be omitted.

[0057] FIG. 8 is an explanatory diagram of the base 20 of the ornament 2 in the second embodiment.

[0058] As shown in FIG. 8(A), the ornament 2 of the second embodiment has a jewel 90 (see FIG. 2) and a base 20. The base 20 has a first arm 11, a second arm 12, a storage section 23, a first annular section 14, and a second annular section 15. The basic configuration of the storage section 33 is similar to that of the storage section 13 of the first embodiment. However, the storage section 23 of the second embodiment differs from the support section 17 of the first embodiment in the structure of the support section 27.

[0059] When viewing base 10 from the top-bottom direction, support portion 27 is provided on the opposite side of first arm portion 11 and second arm portion 12 across center C of housing portion 23. More specifically, first arm portion 11, second arm portion 12, and support portion 27 are each positioned at the vertices of a triangle. This allows support portion 27 to receive the resultant force of the forces applied to jewel 90 by first arm portion 11 and second arm portion 12. Support portion 27 in this embodiment is positioned in an area where an area on the side where second arm portion 12 is not provided, with first virtual line L1 as the boundary, overlaps with an area on the side where first arm portion 11 is not provided, with second virtual line L2 as the boundary.

[0060] 8(B), the support portion 27 has an annular sector shape, which is a sector cut from a ring. The support portion 27 has a first linear portion 271 and a second linear portion 272 on the side facing the first arm portion 11 and the second arm portion 12. The first linear portion 271 and the second linear portion 272 form a V-shaped valley portion 27V. The angle θ2 formed by the first linear portion 271 and the second linear portion 272 is set to 125 degrees. The angle θ2 formed by the first linear portion 271 and the second linear portion 272 is set to be larger than the angle formed by the convex facet 951P.

[0061] Furthermore, the support portion 27 has one end portion 27a at one end portion along the arc and the other end portion 27b at the other end portion. In this embodiment, the angle θ3 formed between the one end portion 27a and the other end portion 27b of the support portion 27 is set to 70 degrees. In this embodiment, the angle θ3 formed between the one end portion 27a and the other end portion 27b of the support portion 27 is set to be larger than 45 degrees, which is the distance between two convex facets 951P, and smaller than 90 degrees, which is the distance between three convex facets 951P.

[0062] FIG. 9 is a diagram showing the contact state between the support portion 27 of the base 20 and the jewel 90 in the second embodiment.

[0063] 9(A), the support portion 27 of the housing portion 23 in the second embodiment supports a circumferential portion of the pavilion 95. More specifically, one convex facet 951P of the pavilion 95 faces the valley portion 27V of the support portion 27 (point S1). 9(B), in the base 20 of the second embodiment, one convex facet 951P is supported by the support portion 27. In this way, in the second embodiment, the convex facet 951P fits into the support portion 27. In the ornament 2 of the second embodiment, the position of the jewel 90 in the vertical direction is supported, and the position in the circumferential direction is also fixed.

[0064] Furthermore, the base 20 of the second embodiment can take other contact states depending on the angle at which the jewel 90 is attached. FIG. 10 is a diagram showing another contact state between the support portion 27 of the base 20 and the jewel 90 in the second embodiment.

[0065] As shown in Fig. 10(A), the support portion 27 supports a portion of the pavilion 95 in the circumferential direction. More specifically, the convex facet 951P of the pavilion 95 faces the first linear portion 271 and the second linear portion 272 of the support portion 27. Then, as shown in Fig. 10(B), in the base 20 of the second embodiment, two convex facets 951P are supported by the support portion 27 (points S2 and S3). In this way, the support portion 27 of the second embodiment is capable of contacting one convex facet 951P (see FIG. 10) or two convex facets 951P, regardless of the rotation angle of the jewel 90 in the circumferential direction. The ornament 2 of the second embodiment comes into contact with a portion of the circumferential direction of the pavilion 95 of the jewel 90, and partially supports the pavilion 95. The ornament 2 can then stably hold the jewel 90.

[0066] <Third embodiment> Next, a description will be given of a personal ornament 3 to which the third embodiment is applied. In the description of the third embodiment, the same components as those in the first embodiment will be given the same reference numerals and detailed description thereof will be omitted.

[0067] FIG. 11 is an explanatory diagram of the base 30 of the ornament 3 in the third embodiment.

[0068] The ornament 3 of the third embodiment has a jewel 90 (see FIG. 2) and a base 30. As shown in FIG. 11(A), the base 30 has a first arm 11, a second arm 12, a storage section 33, a first annular section 14, and a second annular section 15. The basic configuration of the storage section 33 is the same as that of the storage section 13 of the first embodiment. However, the storage section 33 of the third embodiment differs in the structure of the support section 37 from that of the support section 17 of the first embodiment.

[0069] When viewing the base 10 from above and below, the support portion 37 is provided on the opposite side of the center C of the storage portion 33 from the first arm portion 11 and the second arm portion 12. More specifically, the first arm portion 11, the second arm portion 12, and the support portion 37 are each positioned at the vertices of a triangle. This allows the support portion 37 to receive the resultant force of the forces applied to the jewel 90 by the first arm portion 11 and the second arm portion 12. The support portion 37 of this embodiment is positioned in an area where the area on the side where the second arm portion 12 is not provided, with the first virtual line L1 as the boundary, overlaps with the area on the side where the first arm portion 11 is not provided, with the second virtual line L2 as the boundary.

[0070] As shown in FIG. 11(B), the support portion 37 has an annular sector shape, which is a sector cut from a ring. The support portion 37 has a plurality of V-shaped valleys 37V formed by a plurality of linear portions. More specifically, the valleys 37V of the support portion 37 of the third embodiment include a first valley 37V1, a second valley 37V2, and a third valley 37V3. The first valley 37V1, the second valley 37V2, and the third valley 37V3 are aligned in the circumferential direction of the gemstone 90. The angle θ4 formed by each valley 27V is set to be larger than the angle of the convex facet 951P.

[0071] The support portion 37 has one end portion 37a at one end along the arc and another end portion 37b at the other end portion. In this embodiment, the angle θ5 formed between the one end portion 37a and the other end portion 37b of the support portion 37 is set to 120 degrees. In this embodiment, the angle θ5 formed between the one end portion 37a and the other end portion 37b of the support portion 37 is set to be equal to or greater than 90 degrees, which is the distance between three convex facets 951P, and less than 135 degrees, which is the distance between four convex facets 951P.

[0072] FIG. 12 is a diagram showing the contact state between the support portion 37 of the base 30 and the jewel 90 in the third embodiment.

[0073] As shown in FIG. 12(A), the support portion 37 of the storage portion 33 in the third embodiment supports a portion of the pavilion 95 in the circumferential direction. More specifically, a convex facet 951P of the pavilion 95 faces one of the valley portions of the support portion 37. As shown in FIG. 12(B), in the base 20 of the second embodiment, for example, one convex facet 951P is supported by the second valley portion 37V2. In this way, in the third embodiment, the convex facet 951P fits into the support portion 27. In the ornament 3 of the third embodiment, the jewel 90 is supported in the vertical direction and also fixed in its circumferential position.

[0074] 12 shows an example in which the convex facet 951P fits into the second valley portion 37V2, but the present invention is not limited to this. Depending on the rotation angle of the jewel 90 in the circumferential direction when the jewel 90 is attached to the mounting 30, the convex facet 951P can also fit into, for example, the first valley portion 37V1 or the third valley portion 37V3.

[0075] The ornament 3 of the third embodiment comes into contact with a portion of the circumferential direction of the pavilion 95 of the jewel 90, and partially supports the pavilion 95 of the jewel 90. The ornament 3 can then stably hold the jewel 90.

[0076] (Variation) In the above-described embodiment, the jewel 90 is circular when viewed from the front and triangular when viewed from the side, but is not limited to this example. For example, the jewel 90 may be elliptical or rectangular when viewed from the front. Even in this case, by partially supporting the jewel 90 with the support parts (support parts 17, 27, and 37) together with the first arm part 11 and the second arm part 12, the jewel 90 can be stably held regardless of variations in the size of the jewel 90.

[0077] In the above-described embodiment, the ornament 1 is used as, for example, a necklace connected to a chain or the like and worn around the user's neck, but is not limited to this. The structure of the above-described embodiment can also be applied to, for example, a ring worn on the user's finger. In this case, ring members for wearing on the finger can be attached in place of the first annular portion 14 and the second annular portion 15 of the base 10.

[0078] Here, the ornament 1 is an example of an ornament. The storage section 13, the storage section 23, and the storage section 33 are examples of storage sections. The first arm section 11 is an example of a first pressing section. The second arm section 12 is an example of a second pressing section. The support section 17, the support section 27, and the support section 37 are examples of support sections. The first annular section 14 and the second annular section 15 are examples of a connecting section, a first connecting section, or a second connecting section. The dome surface 132 is an example of a covering section. The flat surface 131 is an example of a flat section. The bending section 11B and the bending section 12B are examples of a bending section. The arc section 171 is an example of an arc section. The valley section 27V and the valley section 37V are examples of a V-shaped section.

[0079] Furthermore, although various embodiments and modifications have been described above, these embodiments and modifications may be combined together to form a configuration. Furthermore, the present disclosure is not limited to the above-described embodiments, and can be implemented in various forms without departing from the gist of the present disclosure. [Explanation of symbols]

[0080] DESCRIPTION OF SYMBOLS 1...ornament, 10...base, 11...first arm, 11B...bending portion, 11P...first support portion, 11N...first claw portion, 12...second arm, 12B...bending portion, 12P...second support portion, 12N...second claw portion, 13...storage portion, 13B...bottom surface portion, 13S...side wall, 13H...recess, 14...first ring portion, 15...second ring portion, 17...support portion, 17a...one end portion, 17b...other end portion, 90...jewel, 91...crown, 93...girdle, 95...pavilion, 131a...end portion, 131...flat surface, 132...dome surface, 171...arc portion

Claims

1. A gemstone formed with a crown, girdle and pavilion; a receiving portion for receiving at least a portion of the culet side of the pavilion of the gemstone; a support portion that protrudes from the inner surface of the container portion and supports a portion of the pavilion of the gemstone in the circumferential direction; a first pressing part that is provided on the opposite side of the support part across the jewel and presses the jewel towards the support part; a second pressing portion provided at a position different from the first pressing portion in the circumferential direction of the jewel, and pressing the jewel toward the support portion; Equipped with The support portion is an ornament that is provided only in an area where, when the jewel is facing forward, an area on the side where the second pressing portion is not located, with a first imaginary line passing through the first pressing portion and running along the longitudinal direction of the first pressing portion as the boundary, and an area on the side where the first pressing portion is not located, with a second imaginary line passing through the second pressing portion and running along the longitudinal direction of the second pressing portion as the boundary, overlap.

2. the first pressing portion and the second pressing portion each have a connecting portion to which an attachment member used when a user hangs the accessory around the neck is connected; The accessory according to claim 1 , wherein the support portion is provided below the connection portion when the user wears the accessory around their neck.

3. The ornament according to claim 1, further comprising a covering portion that covers the culet side of the pavilion in the housing portion.

4. The ornament according to claim 3, wherein the covering portion has a flat portion formed in a flat shape on the side opposite to the side facing the culet.

5. The ornament according to claim 1 , wherein the first and second pressing portions extend from the outer side of the jewel toward the center thereof along the crown of the jewel.

6. 6. The accessory according to claim 5, wherein the first pressing portion and the second pressing portion have bent portions that sandwich the girdle of the jewel.

7. The ornament according to claim 1 , wherein the support portion has an arc portion formed in an arc shape and facing the pavilion.

8. The gemstone is processed into a round brilliant cut, The container is formed in a circular shape with the jewel facing forward, 8. The accessory according to claim 7, wherein an angle formed between a line passing through the center of the storage section and one end of the arc section and a line passing through the center and the other end of the arc section is equal to or greater than 45 degrees and less than 135 degrees.

9. The ornament according to claim 1, wherein the support portion has a recess into which a protrusion formed by the facet of the pavilion fits.

10. The accessory according to claim 9, wherein the support portion has a V-shaped portion that is provided opposite the pavilion and is formed in a V-shape.

11. The ornament according to claim 10, wherein the support portion has a plurality of the V-shaped portions arranged in the circumferential direction of the jewel.

12. A gemstone formed with a crown, girdle and pavilion; a receiving portion formed in a circular shape and configured to receive at least a portion of the culet side of the pavilion of the gemstone when the gemstone faces forward; a support portion formed in an arc shape, protruding from the inner peripheral surface of the container portion and supporting a portion of the pavilion of the jewel in the circumferential direction; a first pressing part that is provided on the opposite side of the support part across the jewel and presses the jewel towards the support part; a second pressing portion provided at a position different from the first pressing portion in the circumferential direction of the jewel, and pressing the jewel toward the support portion; A first connection part is provided above the support part when the user wears the personal ornament, and to which an attachment member used when the user wears the personal ornament is connected; A second connection portion that is provided above the support portion when the user wears the personal ornament and to which the attachment member is connected; a flat surface provided on the opposite side of the storage section from the side where the jewel is stored, and formed in a flat shape; Equipped with The support portion is an ornament that is provided only in an area where, when the jewel is facing forward, an area on the side where the second pressing portion is not located, with a first imaginary line passing through the first pressing portion and running along the longitudinal direction of the first pressing portion as the boundary, and an area on the side where the first pressing portion is not located, with a second imaginary line passing through the second pressing portion and running along the longitudinal direction of the second pressing portion as the boundary, overlap.

13. a receiving portion for receiving at least a portion of the culet side of the pavilion of a gemstone having a crown, a girdle, and a pavilion formed thereon; a support portion that protrudes from the inner surface of the container portion inside the container portion and is capable of supporting a portion of the pavilion of the gemstone in the circumferential direction; a first pressing part that is provided on the opposite side of the support part with the jewel sandwiched therebetween and that is capable of pressing the jewel toward the support part; a second pressing portion provided at a position different from the first pressing portion in the circumferential direction of the jewel, and capable of pressing the jewel toward the support portion; Equipped with The support portion is a jewel base that is provided only in an area where, when the jewel is facing forward, an area on the side where the second pressing portion is not located, with a first imaginary line that passes through the first pressing portion and runs along the longitudinal direction of the first pressing portion as the boundary, and an area on the side where the first pressing portion is not located, with a second imaginary line that passes through the second pressing portion and runs along the longitudinal direction of the second pressing portion as the boundary, overlap.

Images