JPH085964A - Method for fixing lens of rimless spectacles and connection structure of spectacle component - Google Patents

Abstract

PURPOSE:To provide the method for fixing the lenses of the rimless spectacles with good productivity and the connection structure of spectacle components which can more easily and securely fit the spectacle components by molding conventional spectacle components such as a connecting screw, a bridge, and a temple in one body and decreasing the number of the components and the man-hours of assembly. CONSTITUTION:The connecting screw 3b is projected integrally from a fixation part 3 for a spectacle component such as a bridge and a temple and connecting holes 1a which are as many as connecting screws 3b are bored in a spectacle lens 1. The connecting holes 1a may be in a circular, a polygonal, an elliptic shape, etc., but preferably bored in such a shape that the connecting screws 3b are attachable and detachable and unable to rotate. Then the connecting screws 3b of the respective spectacle components are inserted into the connecting holes 1a of the spectacle lens 1 and nuts 6 are threadably engaged with the connecting screws 3b projecting from the other surface side of the lens 1. Washers 4 made of synthetic resin may be interposed between the spectacle lens 1 and connecting screws 3b or nuts 6 when necessary.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for fixing lenses in rimless spectacles and a coupling structure for spectacle parts. Also, the present invention relates to a lens fixing method and spectacles component connecting structure in rimless spectacles with high productivity, which can be easily and surely mounted by reducing the number of assembly steps.

[0002]

2. Description of the Related Art Conventionally, as a structure for connecting eyeglass parts in such rimless spectacles, for example, Japanese Utility Model Laid-Open No. 53-1350
The one disclosed in Japanese Patent Publication is well known as a conventional example. As shown in FIG. 6, the connecting structure in this conventional example is a bridge B in which left and right lens connecting metal fittings 7, 7 formed in an arc shape along the upper right edge of the spectacle lens 1 are connected to a mountain 8. And forming projections 9 and 9 at the lower part of the metal fittings 7 and 7, and providing holes 10 and 10 for inserting screws or tacks on the projections 9 and 9 and connecting them. Similar holes 7b, 7b are formed at the tips of the upper pieces 7a, 7a of the metal fittings 7, 7.
And the left and right temples 11 and 11 are pivotally attached to the temple fixing portions 12 and 12, and holes 12a and 1 for inserting screws or tacks are provided.
A plurality of 2a are provided, and holes 12a of the temple mounting piece 12 and holes 7b, 10 of the connecting metal fitting 7 are respectively applied to the holes 1c, 1d, 1e provided in the spectacle lens 1 and screws or It has a structure in which a tack is inserted and the temple 11 and the connecting metal fitting 7 are fastened and fixed to the spectacle lens 1.

[0003]

However, in the connecting structure disclosed in Japanese Utility Model Laid-Open No. 53-1350, the holes 12 are formed in the temple fixing portions 12, 12.
Since it is necessary to provide a plurality of screws a and 12a and fix them with screws, there is a problem that it takes a lot of time and labor to attach them.

The present invention has been made in view of the above problems, and reduces the number of parts and the number of assembling steps by integrally molding a conventional connecting screw and an eyeglass part such as a bridge and a temple, thereby making it easier and easier. It is an object of the present invention to provide a lens fixing method for rimless spectacles that can be reliably attached and has good productivity, and a coupling structure for spectacle components.

[0005]

SUMMARY OF THE INVENTION In order to solve the above-mentioned conventional problems and to achieve the intended purpose, the structure which is the gist of the present invention is integrated with a fixing portion of an eyeglass component such as a bridge or temple. After inserting the connecting screw protruding from the connecting hole into the connecting hole provided at the predetermined position of the spectacle lens, tighten the nut to the connecting screw protruding to the other surface side of the lens to tighten the spectacle lens and the spectacle lens. There is a method of fixing a lens in rimless spectacles, which is characterized by fixing parts.

Further, in a structure for connecting eyeglass parts in rimless eyeglasses for connecting eyeglass parts such as bridges and temples to eyeglass lenses, a connection hole provided at a desired position of the eyeglass lens and inserted into the connection hole. And a connecting screw for connecting the eyeglass lens and the connecting portion of the eyeglass component, and the connecting screw is an edge fixed integrally to the free end of the eyeglass component so as to be fixed to the eyeglass lens. It exists in the connecting structure of the eyeglass parts in the eyeglasses.

Further, it is preferable that the connecting hole and the connecting screw are formed in a shape such that they cannot rotate relative to each other.

[0008]

According to the lens fixing method for the rimless spectacles of the present invention constructed as described above, the connecting screw integrally provided on the fixing portion of the spectacle component such as the bridge or temple is provided at a predetermined position of the spectacle lens. After inserting into the connected hole, the nut is screwed and tightened to the connecting screw protruding to the other surface side of the lens to fix the spectacle lens and the spectacle component, and the spectacle component like the conventional screw hole. Since it is not necessary to provide the parts, the number of assembling steps and the number of parts can be reduced.

Further, in the eyeglass component connecting structure according to the present invention, a connecting hole provided at a desired position of the eyeglass lens and the eyeglass lens inserted into the connecting hole and the connecting portion of the eyeglass component are connected. Since the connecting screw is provided integrally with the free end of the spectacle component and is fixed to the spectacle lens, it is possible to easily attach and replace the spectacle component. Become.

Further, since the connecting hole and the connecting screw are formed in such a shape that they cannot rotate relative to each other, the connecting screw does not rotate in the connecting hole provided in the spectacle lens. The parts are less likely to be damaged, and the bridge and temple connecting parts are prevented from rotating without interposing other members. Hereinafter, the present invention will be described in more detail with reference to Examples.

[0011]

[Examples] In the present specification, "spectacle parts" are not limited to bridges and temples, but include spectacle lenses, nose pads, and others.
It refers to all parts used in eyeglasses,
It is not limited to the shapes of temples and bridges shown in this embodiment.

First, the first step of the lens stopping method for the rimless spectacles according to the present invention will be described. Connecting screws are integrally projected on the fixing parts of the eyeglass parts such as bridges and temples. The projecting portion of the connecting screw may be integrally formed with the eyeglass component such as the temple, or may be attached later by using an appropriate means such as brazing or spot welding.

Next, the second step will be described. The eyeglass component with screws obtained in the previous step is inserted and attached to a predetermined position of the eyeglass lens. The predetermined position of the spectacle lens is a position corresponding to the bridge and the fixed portion of the temple, and the spectacle lens is provided with connection holes corresponding to the number of the connection screws. The shape of the connecting hole may be circular, polygonal, elliptical, or the like, but it is preferable to perforate the connecting hole so that it can be attached to and detached from the connecting screw and cannot be rotated.

Next, the third step will be described. The connecting screw of the spectacle component is inserted into the connecting hole of the spectacle lens obtained in the previous step, and the nut is screwed and tightened to the connecting screw protruding from the other surface side of the lens. Also, if necessary,
It is needless to say that a washer made of synthetic resin or the like is interposed between the spectacle lens and the connecting screw or nut so that the screw can be more firmly screwed.

As described above, in the lens stopping method of the present invention,
Since it is not necessary to provide a small screw hole in the spectacle part as in the conventional case, in other words, the screw hole of the spectacle part and the connecting hole of the spectacle lens are aligned and the trouble of having to fix them with a separate connecting screw is required. Since it can be omitted, the number of assembling steps and the number of parts can be reduced, and the spectacles can be assembled more easily and speedily.

Next, a first embodiment of a structure for connecting eyeglass parts in the rimless glasses according to the present invention will be described with reference to FIGS. FIG. 1 is a perspective view showing a connecting structure of a spectacle lens 1 and a temple 2. The connecting hole 1a is formed in the spectacle lens 1 (see FIG. 2) and the temple is inserted through the connecting hole 1a. And a fixed portion 3 for rotatably connecting the two.

The fixing portion 3 is entirely bent and formed in a U-shape. The connecting means 3a is integrally formed on one end side and the connecting screw 3b is integrally formed on the other end side. A side cover 3c for supporting the side end of the spectacle lens 1 is attached.

The connecting means 3a rotatably fits and holds the holed connecting portion 2a provided at the tip of the temple 2, and has a screw hole 3a _{1 formed in the} vertical direction.

The connecting screw 3b is connected to the fixing portion 3
Of the spectacle lens 1 is inserted into the connection hole 1a of the spectacle lens 1 with a washer 4 interposed therebetween.
It is screwed from the back side of the through the washer 5 and the nut 6.

Further, the tip of the fixing portion 3 on which the connecting screw 3b is projected is formed to have a diameter larger than that of the connecting hole 1a of the lens 1, and is pressed against and supported on the surface of the lens 1 via the washer 4. Is done.

The side cover 3c is made of a metal member such as nickel alloy and is fixed inside the fixing portion 3 so as to come into contact with the side surface of the spectacle lens 1.

The connecting structure of the present invention thus constructed can be easily screwed by simply inserting the connecting screw 3b protruding from the tip of the fixing portion 3a into the connecting hole 1a of the spectacle lens 1. Therefore, it is possible to save the labor of forming a mounting hole on the base end side of the fixing portion 3 and screwing it with a separate connecting screw (not shown) as in the conventional case.

Moreover, at this time, since the side cover 3c contacts the side surface of the spectacle lens 1, the spectacle lens 1
The fixed part 3 and the fixed part 3 can be reliably connected, and will not easily come off.

Next, a second embodiment of the structure for connecting eyeglass components in the rimless eyeglasses according to the present invention will be described with reference to FIG. In order to facilitate understanding, the same parts as those in the above-described first embodiment are designated by the same reference numerals, and only different parts will be described below with new numbers. FIG. 4 is an exploded perspective view showing a connection structure between the spectacle lens 1 and the temple 2, in which the connection hole 1a of the spectacle lens 1 is formed in a quadrangular shape.

On the other hand, at the base end of the connecting screw 3b, a square shaft portion 3c which is fitted in the connecting hole 1a in a non-rotatable state is connected. The angular shaft portion 3c has a length approximately equal to the thickness of the spectacle lens 1, and the connecting screw 3b is closely inserted from the front side of the spectacle lens 1 into the connecting hole 1a. The nut 6 with the washer 5 interposed is attached to the connecting screw 3b that is protruded to the rear surface side of the lens 1.
Is tightened by screwing.

Therefore, only by inserting the connecting screw 3b from the outside into the connecting hole 1a, the angular shaft portion 3c is closely aligned within the connecting hole 1a and the spectacle lens 1 and the temple 2 are aligned. The fixed portion 3 and the fixed portion 3 are axially fixed in a non-rotatable state.

Moreover, during the screwing operation with the nut 6, the connecting screw 3b does not rotate freely in the connecting hole 1a, so that the edge portion of the connecting hole 1a is less likely to be damaged and the assembling work is performed. The efficiency can be improved and the side cover 3c shown in the first embodiment is unnecessary.

It should be noted that the present invention is not limited to these examples, and the design can be changed freely within the scope of the object of the present invention, and the present invention includes all of them. For example, in this embodiment, the spectacle lens 1 and the temple 2
Although only the connecting structure with the eyeglasses has been described, as shown in FIG. 5, the connecting screws 3b and 3b are integrally projected at the free ends of the connecting metal fittings 7a that form the bridge B, and The lens 1 and the bridge B may be configured so as to simplify attachment and replacement.

In order to insert the connecting screw 3b in the connecting hole 1a of the spectacle lens 1 with an annular bush (not shown) made of synthetic resin, or to eliminate the connecting screw 3b. The square shaft portion 3 is formed in the connecting portion 2a via an adhesive.
Appropriate coupling means may be employed, such as fixing c or fixing the free end portion of the square shaft portion 3c into the connecting hole 1a by press fitting or welding.

Further, a connecting hole 1 provided in the spectacle lens 1
a is not limited to the circular or quadrangular hole shape shown in this embodiment, and may be formed in an elliptic shape other than a triangular shape, a pentagonal shape, or the like. Hole 1
Any hole shape may be adopted as long as a and the connecting screw 3b or the angular shaft portion 3c are in a non-rotatable relationship with each other.

[0031]

According to the lens stopping method of the present invention, since it is not necessary to provide a small screw hole in the spectacle part as in the conventional case, in other words, the screw hole of the spectacle part and the connecting hole of the spectacle lens are combined and separated. Since it is not necessary to fix the body with the connecting screw, it is possible to reduce the number of assembling steps and the number of parts, and it is possible to easily and speedily assemble the eyeglasses.

Further, in the structure for connecting eyeglass parts according to the present invention, a connection hole provided at a desired position of the eyeglass lens and the eyeglass lens inserted into the connection hole and the connection portion of the eyewear component are connected. It is excellent in that it is provided with a connecting screw and the connecting screw is integrally projected from the free end of the spectacle component and fixed to the spectacle lens, so that the spectacle component can be easily attached and replaced. It is effective.

Further, since the connecting hole and the connecting screw are formed in a shape such that they cannot rotate relative to each other, the connecting screw does not rotate within the connecting hole provided in the spectacle lens. The parts are less likely to be damaged, and the connecting parts of the bridge and the temple are prevented from rotating without interposing other members, so that the efficiency of the assembling work can be further improved.

As described above, according to the present invention, it is possible to easily and surely save the trouble of forming a small screw hole in the fixing portion of the spectacle component and fixing the spectacle lens by a separate connecting screw as in the conventional case. It can be connected to eyeglass parts, and because the structure is simple, it is suitable for mass production and can be supplied to users as a low price.

[Brief description of drawings]

FIG. 1 is an explanatory view showing a first embodiment of a structure for connecting eyeglass components in rimless glasses according to the present invention.

FIG. 2 is an assembly exploded view showing a main part of the same connecting structure.

FIG. 3 is a partially cutaway vertical sectional view showing an assembled state of the connection structure.

FIG. 4 is an exploded perspective view showing a second embodiment of the structure for connecting eyeglass components in the rimless eyeglasses according to the present invention.

FIG. 5 is a front view of rimless spectacles showing a state in which a bridge and a temple fixing portion are attached to a spectacle lens.

FIG. 6 is an explanatory diagram showing a conventional connecting structure for rimless glasses.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Eyeglass lens 1a Connection hole 2 Temple 2a Connection part with hole 3 Fixing part 3a Connection means 3b Connection screw 3c Side cover 3d Square shaft part 4 Washer 5 Washer 5 Nut 7a Connection metal fitting B Bridge

Claims (3)

[Claims] 1. A connecting screw integrally projecting from a fixing portion of an eyeglass component such as a bridge or temple is inserted into a connecting hole provided at a predetermined position of an eyeglass lens, and then the other surface side of the lens. A method for fixing lenses in rimless spectacles, characterized in that a spectacle lens and spectacle parts are fixed by screwing a nut tightly on the connecting screw protruding in the direction. 2. A connection structure for connecting eyeglass parts such as bridges and temples to eyeglass lenses, the connection hole being provided at a desired position of the eyeglass lens, and being inserted into the connection hole. And a connecting screw for connecting the eyeglass lens and the connecting portion of the eyeglass component, and the connecting screw is integrally projectingly provided on the free end of the eyeglass component and fixed to the eyeglass lens. A structure for connecting eyeglass parts in rimless eyeglasses. 3. The structure for connecting eyeglass parts in rimless spectacles according to claim 2, wherein the connection hole and the connection screw are formed in a shape such that they cannot rotate relative to each other.