JP3134069B1 - Ring closure - Google Patents

Abstract

An object of the present invention is to provide a ring fastener that has a simple and inexpensive configuration, is easy to handle, and can reliably suppress rotation of the ring. A ring fastener 1 has a substantially cylindrical resin-made rotator 2, a hole 4 having a substantially circular cross-section penetrating the rotator 2 in the axial direction and extending eccentrically from a central axis, and a rotation. A slit 6 is formed in a portion where the outer peripheral surface 2a of the body 2 and the hole 4 communicate with each other and the rotating body has the smallest thickness. Both ends of the slit 6 along the axial direction are formed wider than a central portion thereof to facilitate insertion of the ring 10 of the ring. When attaching the ring fastener 1 to the ring 10 of the ring, the ring 10 is inserted into the hole 4 through the slit 6 so that the thick portion of the rotating body 2 is interposed between the ring 10 and the finger. Then, the rotating body 2 is rotated to a predetermined position.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ring fastener for suppressing rotation of a ring.

[0002]

2. Description of the Related Art There are roughly two types of rings to be fitted on fingers.

One is a metal annular portion (hereinafter, referred to as a ring) attached to a finger, which is decorated with engraving on the ring itself. It is attached.

For example, when a ring having a jewel attached to a ring is attached to a finger, the ring is pushed to the base of the finger beyond the joint of the finger, and the ring is rotated to a predetermined position so that the jewel is on the back of the hand.

[0005]

However, in the case where the jewel is relatively large and heavy, the ring may be rotated so that the jewel comes to the palm side after a while with wearing the ring.

The present invention has been made in view of the above points, and has as its object to provide a ring fastener which has a simple and inexpensive structure, is easy to handle, and can reliably suppress the rotation of the ring. It is in.

[0007]

In order to achieve the above object, a ring fastener according to the present invention penetrates the rotating body along the central axis at a position eccentric from the central axis of the rotating body made of a single member. The rotating body has a thick part and a thin part
A substantially straight hole having a portion formed therein , and a slit provided for communicating with the outer peripheral surface of the rotating body over the entire length of the hole for inserting and removing a ring in the hole, and the hole is formed through the slit. The ring is inserted into the finger, and the ring is fixed to a finger by rotating the rotating body to a predetermined position.

The ring fastener of the present invention has a hole for inserting the ring at an eccentric position of the rotating body. Therefore, when the ring is inserted into the hole through the slit and the rotating body is rotated to a predetermined position, a thick portion around the eccentric hole of the rotating body is interposed between the ring and the finger, and the ring and the finger are rotated. Is reduced, and rotation of the ring is suppressed. Further, by adjusting the rotational position of the rotating body, the degree of tightening of the ring can be adjusted.

[0009] According to the present invention described above, the slit is characterized in that provided in the part fractions thickness becomes thin due to the eccentricity of the hole. In this manner, by providing the slit in the thinned portion of the rotating body on the side where the hole is eccentric from the central axis, the rotating body can be easily mounted on the ring even when the ring is mounted on the finger. Also, when the rotating body is rotated to a predetermined position and the thick part of the rotating body is brought into contact with the finger, the finger does not hurt because the slit does not contact the finger.

Further, according to the invention described above, both ends of the slit along the hole are formed wider than the center thereof. Thus, by forming the both ends of the slit wider than the center, the annular ring can be easily inserted into the slit with the ring laid down. It is preferable that both ends of the slit are rounded in an arc shape according to the shape of the ring of the ring.

The ring fastener according to the present invention is a substantially cylindrical rotating body made of a single member, and penetrates the rotating body along the central axis at a position eccentric from the central axis of the rotating body. And extend the thicker and thinner parts to the rotating body.
It is characterized in that it has a substantially straight hole formed, and a slit which communicates the outer peripheral surface of the rotating body with the hole and is provided over the entire length of the rotating body, and for inserting and removing a ring in the hole. And

Further, according to the invention described above, the slit is formed in a thin portion of the rotating body on the side where the hole is eccentric.

Further, according to the invention described above, both ends of the slit are formed wider than the center thereof.

[0014]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a schematic perspective view of a ring fastener 1 according to an embodiment of the present invention, and FIG. FIG. 3 is a plan view of the ring fastener 1 as viewed from the slit 6 side.

The ring fastener 1 is a rotating body 2 made of a substantially cylindrical resin, and a hole having a substantially circular section extending through the rotating body 2 along the center axis at a position eccentric from the center axis. 4 are formed. In addition, the portion where the thickness of the rotating body 2 becomes thinnest due to the eccentricity of the hole 4 communicates the outer peripheral surface 2 a of the rotating body 2 with the hole 4 and extends in the axial direction over the entire length of the rotating body 2. A slit 6 is formed.

An annular portion of the ring to which the ring fastener 1 is attached, that is, a ring 10 (shown by a dotted line) generally has a substantially semicircular cross section, and has an inner surface that comes into contact with a finger is flat, and an outer surface has an arc shape. Has become. The ring fastener 1 is detachably attached to the ring 10.

In this embodiment, after the ring fastener 1 is mounted on the ring 10 of the ring, the width of the center of the slit 6 is reduced by the width of the ring 10 in order to prevent the ring fastener 1 from easily falling off the ring 10. Is set to the minimum width that allows the narrowest part to pass. That is, as shown in FIG. 3, the ring 10 was set to have such a width that the ring 10 can be inserted and removed with the ring laid down.

When the ring 10 is inserted into the slit 6 with the ring 10 lying down, the width of both ends of the slit 6 is made wider than the width of the central portion in order to match the shape of the ring 6 and the slit 6 curved in an arc shape. Part 6a. In particular, in the present embodiment, the wide portion 6a is curved in an arc shape according to the shape of the ring 10.

Further, an edge 6b where the slit 6 is continuous with the outer peripheral surface 2a is chamfered to facilitate insertion of the ring 10 into the slit 6. The edge 6b of the slit 6 is slightly curved inward to prevent the ring 10 from falling off.

The width of the slit 6 is set as described above, the wide portions 6a are formed at both ends of the slit 6,
When the edge 6b of the ring is chamfered, the ring fastener 1 can be easily attached to the ring 10 with the ring laid down as shown in FIG. 3, and the ring 1 can be mounted with the ring upright as shown in FIG.
It becomes impossible to extract 0 from the slit 6.

The eccentric hole 4 extends substantially straight along the central axis of the rotating body 2 and its diameter is set to be large enough to rotate around the ring 10 by 360 °.

Here, the mounting operation of the ring fastener 1 having the above configuration will be described with reference to FIG.

First, as shown in FIG. 4 (a), with the ring 10 of the ring laid down, the ring fastener 1 is moved in parallel with the axial direction of the ring 10 on the rear side away from the ornament of the ring. Then, the slit 6 is passed through the ring 10.

Then, as shown in FIG. 4B, the ring 10 is inserted into the hole 4 of the rotating body 2. Furthermore, so that the thickest part of the rotating body 2 comes inside the ring 10,
The rotator 2 is rotated to a predetermined position. Thereby, the gap between the ring 10 of the ring and the finger is reduced, and the rotation of the ring is suppressed.

At this time, by adjusting the rotational position of the rotating body 2, the thickness of the rotating body 2 interposed between the ring fastener 1 and the finger can be changed, and the degree of tightening of the ring can be adjusted. . That is, by using the ring fastener 1 of the present embodiment, one ring can be used by a plurality of persons,
In addition, it is possible to cope with swelling of a finger due to a change in physical condition.
Moreover, the ring fastener 1 of the present embodiment can be mounted on any kind of ring and can be used for general purposes.

The above-described mounting operation of the ring fastener 1 may be performed with the ring mounted on the finger, or may be performed with the ring not mounted on the finger.

When the ring is attached to the finger after the ring fastener 1 is attached to the ring 10, the ring fastener 1 attached to the ring 10 functions as a guide roller, and the ring can be easily attached.

After the ring is fitted to the finger, the ring fastener 1
Is attached to the ring 10, the slit 6 is provided in the thinnest portion of the rotating body 2, so that the edge 6 b of the slit 6 can be easily inserted into a narrow gap between the ring 10 and the finger, and Since the slit 6 does not contact the finger when the thickest part is interposed between the ring 10 and the finger by rotating the finger, the finger does not hurt.

The above-described ring fastener 1 according to the present embodiment comprises:
Because it is detachable from the ring 10 of the ring,
It can be removed when not needed.

The present invention is not limited to the above-described embodiment, but can be variously modified within the scope of the present invention. For example, in the above-described embodiment, a case has been described in which the present invention is applied to a substantially cylindrical rotating body.
The present invention is not limited to this, and can be applied to a rotating body such as a sphere, for example. Further, the shape, size, material, and the like of the rotating body 2, the slit 6, and the hole 4 can be appropriately changed, and it is sufficient that the rotating body 2 has a through hole at a position eccentric from the center axis of the rotating body 2.

[0032]

As described above, the ring fastener according to the present invention has the above-described structure and operation, so that the structure can be simple and inexpensive, the handling is easy, and the rotation of the ring is easy. It can be suppressed reliably.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a ring fastener according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view of the ring fastener of FIG. 1 cut in a direction crossing a central axis thereof.

FIG. 3 is a plan view of the ring fastener of FIG. 1 as viewed from a slit side.

FIG. 4 is an operation explanatory diagram for explaining an operation of attaching the ring fastener of FIG. 1 to a ring;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Ring fastener, 2 ... Rotating body, 2a ... Peripheral surface, 4 ... Hole, 6 ... Slit, 6a ... Wide part, 6b ... Edge part, 10 ... Ring.

Claims (6)

(57) [Claims] 1. A rotating member made of a single member extends through the rotating body along the central axis at a position eccentric from the central axis to form thick and thin portions on the rotating body. a substantially straight hole, and a slit that is provided in communication with the outer peripheral surface of the rotating body over the entire length of the hole and that allows a ring to be inserted into and removed from the hole, and that the hole is inserted through the slit. A ring fastener, wherein the ring is inserted into the ring, and the rotating body is rotated to a predetermined position to thereby fasten the ring to a finger. Wherein said slit is ring fastener according to claim 1, characterized in that provided in the part fractions thickness becomes thin due to the eccentricity of the hole. 3. The ring fastener according to claim 2, wherein both ends of said slit along said hole are formed wider than a center thereof. 4. A substantially cylindrical rotating body made of a single member, wherein the rotating body extends through the rotating body along the central axis at a position eccentric from the central axis of the rotating body. Thickness
A substantially straight hole forming a thin portion and a thin portion, and a slit for communicating the outer peripheral surface of the rotating body and the hole and provided over the entire length of the rotating body, and for inserting and removing a ring in and from the hole. A ring fastener comprising: 5. The ring fastener according to claim 4, wherein the slit is formed in a thin portion of the rotating body on a side where the hole is eccentric. 6. The ring fastener according to claim 5, wherein both ends of the slit are formed wider than a center thereof.