JPH0854582A - Structure of two point frame of spectacles - Google Patents

Abstract

PURPOSE:To provide a structure of a two-point frame of spectacles which is easily mountable at lenses, is capable of securely fixing these lenses without damaging the lenses and has good appearance. CONSTITUTION:One piece of a threaded pin 15 for fixing is erected on the lens-facing surface of a wraparound endpiece 12 and a pedestal 17 of a size shorter than the length of the surface is arranged. The pedestal is provided with a slot 18 to be inserted with the threaded pin and a detaining pin 19 which is adjacent thereto and exists at the edge side of the lens than the threaded pin. The threaded pin is inserted into a through-hole 20 formed at the lens S of the spectacles and is tightened by a nut. A detaining pin is fitted into a recessed part 21 formed at the lens.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a two-point frame for spectacles, and more particularly, to a temple and an end portion of the temple provided via a hinge portion, and a lens, which are connected and kept at a predetermined interval. The present invention relates to a structure for fixing a two-point frame in a pair of eyeglasses including a bridge to a lens.

[0002]

2. Description of the Related Art Conventionally, as compared with a conventional frame of a type in which the entire outer circumference or a partial outer circumference (mainly the upper half portion) of a lens is surrounded and fixedly held in spectacles, it has a light weight or a fashionable property. From the aspect, in recent years, a two-point frame has been used. This two-point frame is composed only of temples and bridges, and there is no lens guide that surrounds the outer periphery of the lens like the conventional frame, so the degree of freedom in lens lens design is very high,
It is very popular with users.

Two-point frames, therefore, result in the temples or bridges being directly attached to the lens by drilling holes. Therefore, in the conventional structure for fixing the two-point frame to the lens, the temple is provided with a rod-shaped temple attachment portion via a hinge portion. Such a mounting portion may be referred to as a "temple", but here, a portion for fixing the temple to the lens is particularly referred to as a "temple mounting portion".

The rod-shaped temple mounting portion in the conventional two-point frame has a U-shape, a hinge portion is formed at one end, and the base portion at the other end is rectangular, triangular, or pentagonal in cross section. A rotation stopper formed in a shape other than a circle is formed, and a screw is formed at its tip.

On the other hand, a through hole having a shape corresponding to the shape of the base of the temple mounting portion is formed on the lens. To fix the temple to the lens, the other end of the temple mounting portion is formed in the through hole formed on the lens. It was tightly fitted and inserted, and tightened and fixed from the back side with a nut or the like.

Thus, the temple can be fixed to the lens without causing the lens to rotate. The bridge for connecting and holding the two lenses at a predetermined interval was also fixed to the lens with the same structure as the temple.

However, in such a conventional two-point frame fixing structure, it is necessary to form a through hole having a rectangular shape, a triangular shape, a pentagonal shape, or the like in the lens, which is very troublesome to process. In particular, as described above, since it is necessary to tightly fit and attach the distal end side insertion portion of the temple to the polygonal through hole formed in the lens, it is necessary to process the size and shape of the through hole. Particularly, high precision is required, and there is a big problem in the difficulty of processing.

Therefore, recently, a structure shown in FIG. 11 has been used as a structure for fixing the two-point frame to the lens. The structure of this two-point frame is mainly composed of a temple 1, a rod-shaped endowment portion 3 provided on the temple 1 via a hinge portion 2, and a bridge for holding and connecting lenses at a predetermined interval. 3 includes a pin portion 4 provided by bending the end portion of the end portion toward the lens side at the tip portion, and a threaded pin portion 5b on a ring portion 5a movably mounted on the end portion 3. It was composed of fixing pins 5 connected by brazing or the like.

A method of fixing such a conventional two-point frame to the lens by the end portion 3 is shown in FIG.
As is clear from FIG. 1, the mounting position of the temple 1 with respect to the lens S is determined, and the position of the temple 1 is taken into consideration.
Through-holes A1 and A2 for inserting the pin portion 4 and the fixing pin 5 formed at the tip end of the are opened.

Since the pin portion 4 formed at the tip of the end piece 3 is immovable in the end piece 3, the fixing pin 5 is moved to the left and right along the end piece 3 to adjust the fixing pin 5 to the left and right. The distance between 5 and the pin portion 4 is made to match the distance between the through holes A1 and A2 formed in the lens S. After that, these are inserted into the through holes A1 and A2 of the lens S, and the fixing pin 5
A nut 6 is screwed from the rear side of the lens to the lens and tightened. On the other hand, the pin portion 5 was trimmed with a cutter to cut off the portion protruding from the back surface of the lens S, that is, the concave curved surface side.

Further, a bridge (not shown) for holding and connecting the two lenses S at a predetermined interval is also the same as the lens S.
Was fixed to. What is clear from the fixing structure to the lens in such a conventional two-point frame is that
The fixing pin 5 has a main function of fixing the temple 1 to the lens S through the end portion 3, and the pin portion 4 formed at the tip of the end portion serves as a rotation stopping means for the lens S with respect to the lens S. There is.

[0012]

However, the conventional two-point frame has the following problems. That is, the pin portion 4 serving as a rotation stopping means
As described above, since it is necessary to finally cut along with the thickness of the lens, the work process called “cutting” increases. Moreover, there is a problem in that the mounting state of the pin portion 4 with respect to the lens S appears as it is as it is, and the appearance is very bad. Also, the same problem exists in a bridge that holds and connects two lenses S at a predetermined interval.

As described above, the pin portion 4 is formed as an integral body by bending the tip of the end portion 3 substantially, and after fixing the fixing pin 5 of the end portion 3 to the lens S. Since the pin portion 4 and the fixing pin 5 are firmly fixed to the lens S, when the glasses are worn and removed,
There has been a problem that external force, impact or the like is directly applied to the pin portion 4 and the fixing pin 5 to cause breakage or damage of the lens S. Also, the same problem exists in a bridge that holds and connects two lenses S at a predetermined interval.

The object of the present invention is to solve the above-mentioned problems of the prior art, and it is easy to attach to a lens, and moreover, it is possible to firmly fix the lens without damaging it and to make it look good. It is to provide a two-point frame structure in good eyeglasses.

[0015]

The present invention is a structure of a two-point frame in spectacles, and has the following constitution in order to achieve the above-mentioned object. That is, the present invention is, firstly, in a structure for fixing a two-point frame in a spectacle including a temple and an end portion provided via a hinge portion to the temple to the lens, in which the end portion of the lens is a lens. One fixing threaded pin is erected on the opposite surfaces, a pedestal is arranged on the surface of the end piece, and the threaded pin is inserted into the pedestal and enables relative movement. An opening and a locking pin are provided adjacent to the opening, the threaded pin is inserted into a through hole formed in the lens of the eyeglass and tightened with a nut, and the locking pin is provided in a recess formed in the lens. It is characterized in that it is fitted and the end portion is fixed to the lens.

Secondly, according to the present invention, in a structure for fixing a two-point frame to a lens in a pair of spectacles including a bridge for connecting the lenses and holding the bridge at a predetermined interval, the bridge is provided on both ends of the bridge. One screw pin for fixing is erected from the surface of the formed attachment portion facing the lens, a pedestal is arranged on the surface of the attachment portion, and the threaded pin is inserted into the pedestal. An opening for allowing relative movement and a locking pin adjacent to the opening are provided, the threaded pin is inserted into a through hole formed in the lens of the eyeglass and tightened with a nut, and the locking pin is It is characterized in that the bridge is fixed to the lens by being fitted in a recess formed in the lens.

Further, the present invention thirdly provides an eyeglass including a temple, an end portion provided on the temple via a hinge portion, and a bridge for connecting the lens and holding the bridge at a predetermined interval. In a structure for fixing a two-point frame to a lens, one fixing screw pin is erected on a surface of a mounting portion formed at both ends of the end portion or the bridge facing the lens, and the end portion is fixed. Alternatively, a pedestal is arranged on each of the surfaces of the mounting portion, and the pedestal is provided with an opening through which the threaded pin is inserted and allows relative movement and a locking pin adjacent to the opening, The threaded pin is inserted into a through hole formed in the lens of the spectacles and tightened with a nut, and the locking pin is fitted into a recess formed in the lens and The Lee portion or the mounting portion, characterized in that fixed to the lens.

[0018]

According to the structure of the two-point frame of the spectacles according to the present invention, the pedestal is configured such that the one fixing pin rising from the lens facing side surface of the end portion is relatively inserted into the opening formed in the pedestal. Is arranged on the surface of the end portion. Since the pedestal has a length shorter than the length of the surface of the end portion and the fixing pin is inserted through the opening, the pedestal can be moved in the longitudinal direction for fine adjustment of the position.

On the other hand, a through hole and a circular recess are formed in the lens at a predetermined design position. After the through hole and the circular recess are formed at the predetermined position of the lens in this way, the end portion where the pedestal is placed in the groove as described above is set at the predetermined fixing position of the lens (the above-mentioned through hole and recess forming position). Positioning,
First, the tip of the fixing screwed pin is applied to the through hole for positioning, and then the locking pin is fitted into the concave portion of the lens while adjusting the position of the pedestal.

Then, a nut is screwed into the threaded pin inserted into the through hole of the lens from the back side of the lens and tightened. In this way, the threaded pin for fixing is inserted into the through hole formed in the lens and tightened with the nut, whereby the end portion is fixed to the lens, and at the same time, the locking pin enters the recess formed in the lens. The locking prevents the rotation of the end portion, and thus the temple is firmly and flexibly fixed to the lens.

Further, the fixing of the bridge for holding and connecting the two lenses at a predetermined interval in the spectacles to the lens is performed in the same manner as the case of fixing the temple. That is, it may be considered that the mounting portions formed at both ends of the bridge are the end portions which are connected to the temples via the hinges.

The advantage of the structure of such a two-point frame is that not only the armature or bridge mounting portion can be accurately, easily and easily attached to the lens, but also the fixing threaded pin and the locking pin are completely eliminated. Since it is composed of another member, and the pedestal and the end piece are movable in the longitudinal direction, external impact when using glasses is well absorbed by the end piece and the base, and Since it is not transmitted to the lens, it does not damage the lens. At the same time, the distortion of the entire frame and lens is minimal.

Further, since one of the locking means for preventing rotation formed on the outer edge side of the lens is a recess instead of a through hole, the lens is not cracked and the other locking pin is conventionally used. As described above, the process of attaching the lens to the lens is easy and the eyeglasses can be attached with a good appearance without being cut.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of a two-point frame in eyeglasses according to the present invention will be described in more detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 is a front view of spectacles 10 configured by attaching a two-point frame to a lens according to an embodiment of the present invention, and FIG. 2 is a side view of the spectacles 10.

The two-point frame according to this embodiment comprises a temple 11 and an end portion 12 for fixing the temple 11 to the lens S as shown in FIG. 3, and a bridge 13 for holding and connecting the two lenses S at a predetermined interval. Mainly composed. The end portion 12 is connected to the temple 11 via the hinge portion 14.
It is connected to the.

An elongated groove 15 is formed in the end portion 12 as shown in FIG. Figure 5 shows this groove 15
4 shows the cross section of the end portion 12 along the line 5-5 in FIG. In this groove 15, at the position on the end side of the end portion 12, one pin 16 with a screw for fixing is brazed and erected. As shown in FIGS. 6 and 7, a pedestal 17 having a sectional shape substantially the same as the sectional shape of the groove 15 is arranged in the groove 15 of the end portion 12.

The length of this pedestal 17 is shorter than the length of the groove 15, so that when the pedestal 17 is placed in the groove 15, the groove 1
The inside of 5 can be moved a little in the longitudinal direction. The pedestal 17 is formed with a slot 18 into which the threaded pin 16 erected on the end piece 12 is inserted when the base 17 is placed in the groove 15 of the end piece 12. An extremely short locking pin 19 is formed integrally with the pedestal 17 or by means of brazing or the like on the surface of the pedestal 17 near the end opposite to the position where the slot 18 is formed.

By the way, when fixing the end portion 12 of the two-point frame in the above-described embodiment to the lens S, the lens S is provided with a fixing screw pin at a predetermined position where the end portion 12 is designed. 1
6. A through hole 20 for insertion and a circular recess 21 for fitting the locking pin 19 are formed. At this time, the through hole 20 is formed at a position closer to the center of the lens S than the recess 21, as is apparent from the combination of the end portion 12 and the pedestal 17. Therefore, the formation position of the through hole 20 can be sufficiently separated from the outer edge of the lens S.

In order to fix the end portion 12 to the lens S, the end portion 12 in which the pedestal 17 is arranged in the groove 15 is fixed to the lens S at a predetermined fixing position (the through hole 20 and the concave portion 21).
Position), and first the tip of the fixing screw-equipped pin 16 is applied to the through hole 20 for positioning. Then, while adjusting the position of the pedestal 17, the locking pin 1
9 is fitted into the recess 21 of the lens S.

The reason for allowing the pedestal 17 to be slightly movable in the longitudinal direction in this way is that the through hole 20 and the concave portion 21 formed in the lens S are usually processed in an eyeglass store, so that the distance between them is as designed. This is because in many cases this is not the case, and in order to deal with this, on the contrary, such a structure does not require so high precision in forming the through hole 20 and the recess 21 in the lens S. At the same time, even when using glasses, the movability of the pedestal 17 in the longitudinal direction has a function of absorbing an external impact applied by the lens.

Next, the threaded pin 16 inserted into the through hole 20 of the lens S is attached to the nut 22 from the rear surface side of the lens S.
Screw and tighten. In this way, the fixing screw 16 is inserted into the through hole 20 formed in the lens S and tightened with the nut 22, so that the end portion 12 is fixed to the lens S, and at the same time, the locking pin 19 is fixed to the lens S.
The rotation of the end portion 12 is prevented by entering and locking the concave portion 21 formed in the.

Further, the bridge 13 for holding and connecting the two lenses S at a predetermined interval in the two-point frame is also fixed to the lens S. The lens S of the temple 11 described above is also fixed.
This is done in exactly the same way as for the fixed case. That is,
As shown in FIG. 8, the attachment portions 23 integrally formed at both ends of the bridge 13 may be considered as the end portion 12 connected to the temple 11 through the hinge portion 14.

Therefore, a method of fixing the bridge 13 to the lens S will be briefly described. At both ends of the bridge 13, mounting portions 23 having a surface facing the lens S are formed. A groove (not shown) similar to the groove 15 of the end portion 12 shown in FIG. 5 is formed on this surface of each mounting portion 23, and one screw pin 24 for fixing is installed in the groove. It is installed upright by attachment. This threaded pin 2
4 is provided at a position near the outer end of the mounting portion 23.

Then, in the groove of each mounting portion 23,
The pedestal 25 exactly as shown in FIG. 6 is arranged, so that the threaded pin 24 protruding from the mounting part 23 is
The slot 26 is inserted. Of course, this base 25 is also provided with the locking pin 27 by brazing, which is exactly the same as the base attached to the end portion.

In the lens S, a through hole 28 and a circular recess 29 are formed at predetermined design points for fixing the bridge 13. This is exactly the same as the case where the end portion is fixed to the 12 lens S, and the fixing method thereafter is exactly the same. Finally, the nut 30 is screwed into the threaded pin 24 to be fixed.

In the structure of the two-point frame in the spectacles of the above-mentioned embodiment, the fixing screwed pins 16 or 24 are fixed to the groove of the end portion 12 or the mounting portion 23 by brazing. A separate threaded pin 31 in the form of a set screw can be used as shown in FIG. That is, this threaded pin 31 is a normal screw having a head portion 31a formed at its end, and
2 or the insertion hole 33 formed in the attachment portion 23, and may be inserted into the through hole 20 or 28 of the lens S through the slot 18 or 26 of the pedestal 17 or 25.

In the above-mentioned embodiment, the pedestal 17 or 2 is used.
5 is arranged in the groove 15 formed in the end portion 12 or the mounting portion 23. However, except for the appearance problem, such a groove 15 is not always necessary, and as shown in FIG. The pedestal 17 may be arranged on the surface of the plate-shaped end portion 12 or the mounting portion 23 facing the lens S. However, a device for preventing the pedestal 17 or 25 from moving or rotating in the width direction of the end portion 12 or the mounting portion 23 (for example, a small protrusion 34 is formed on the back surface of the end portion and formed on the front surface of the end portion). Longitudinal slot 3
It is necessary to devise a method of fitting it so that it fits in 5.

Further, with respect to the fixing of the bridge 13 to the lens S, the mounting portions 23 provided at both ends of the bridge 13 in the above-described embodiment shown in FIG. 8 are formed integrally with the bridge 13, and a box leg is attached to this member. 32 (the part that is placed on the nose of the face to support the glasses) was attached by brazing or the like, but as shown in FIG.
It may be integrally formed with the mounting part 23 and a separate mounting part 23 may be brazed to the mounting part 23 and the mounting part 23 and the box leg 32 may be integrally formed as shown in FIG. The bridge of may be attached by brazing, etc.,
Needless to say, any configuration may be used as long as it is configured as a part of the bridge 13.

Further, the slots 18 and 26 formed in the pedestals 17 and 25 allow the pedestal 17 to be finely adjusted in the longitudinal direction while allowing the pin 16 with a screw for fixing to be inserted, and prevent the movement in the width direction. The slot shape does not have to be provided as long as this function is secured. For example, even an elliptical shape slightly larger than the diameter of the threaded pin for fixing to be inserted may be an opening that can prevent movement in the width direction.

[0040]

As described above, according to the structure of the two-point frame of the spectacles of the present invention, the fixing screw pin and the locking pin are composed of completely different members. External impact is well absorbed by the end piece or bridge mounting portion and the pedestal, and is not directly transmitted to the lens, so that the lens is not damaged. At the same time, the distortion of the entire frame and lens is minimal. Moreover, since the pedestal and the end portion or the bridge mounting portion are movable in the longitudinal direction, not only can external shocks during use of spectacles be more effectively absorbed, but also a fixing screw. It is easy to position the attached pin and the locking pin in the through hole and the recess provided in the lens, and it is possible to efficiently perform the processing of the eyeglasses.

Further, since one of the rotation preventing locking means formed on the lens is a recess instead of a through hole, the lens is not cracked and the other locking pin is formed as in the conventional case. Since it is not cut, the process of attaching it to the lens is easy, and the effect is that it looks good as eyeglasses.

[Brief description of drawings]

FIG. 1 is a front view of eyeglasses configured by attaching a two-point frame of an embodiment of the present invention to a lens.

FIG. 2 is a side view of the glasses shown in FIG.

FIG. 3 is a partially enlarged top view showing the outside of the spectacles showing the configuration of the portion where the temples are fixed to the lenses in the spectacles shown in FIG.

FIG. 4 is a perspective view showing a part of an end portion of the structure for fixing the temple shown in FIG. 3 to the lens.

5 is a cross-sectional view showing the end portion shown in FIG. 4 along a line 5-5.

FIG. 6 is a perspective view showing a pedestal arranged in the groove of the end portion shown in FIG.

7 is a sectional view showing the pedestal shown in FIG. 6 along a line 7-7.

8 is an assembled perspective view showing a structure in which a bridge for holding and connecting two lenses at a predetermined interval is fixed to the lens in the spectacles shown in FIG. 1. FIG.

FIG. 9 is a top view similar to FIG. 3, showing another structure for fixing temples to lenses in a two-point frame according to another embodiment of the present invention.

FIG. 10 is an assembly perspective view similar to FIG. 8, showing another structure for fixing the bridge to the lens in the two-point frame according to another embodiment of the present invention.

FIG. 11 is an assembled perspective view showing a structure for fixing a temple to a lens in a conventional two-point frame.

FIG. 12 is a partially enlarged top view showing the outside of the spectacles shown in FIG. 1 and showing the configuration of another embodiment of the portion where the temples are fixed to the lenses.

FIG. 13 is an assembly perspective view similar to FIG. 8, showing another structure for fixing the bridge to the lens in the two-point frame according to another embodiment of the present invention.

[Explanation of symbols]

 S lens 10 spectacles 11 temple 12 bridge part 13 bridge 14 hinge part 15 groove 16 fixing screw pin 17 pedestal 18 slot 19 locking pin 20 through hole 21 recess 22 nut 23 bridge mounting part 24 fixing screw pin 25 Pedestal 26 Slot 27 Locking Pin 28 Through Hole 29 Recess 30 Nut 31 Screw Type Pin with Screw for Fixing 32 Box Leg 33 Insertion Hole 34 Projection 35 Groove

Claims (12)

[Claims] 1. A structure for fixing a two-point frame to a lens in spectacles including a temple and an end portion provided on the temple via a hinge portion, wherein 1 is provided on a surface of the end portion facing the lens. A threaded pin for fixing a book is erected, a pedestal is arranged on the surface of the end piece, and an opening for allowing the threaded pin to pass through the pedestal and allowing relative movement and adjacent to the opening. Locking pin is provided, the threaded pin is inserted into a through hole formed in a lens of eyeglasses and tightened with a nut, and the locking pin is fitted into a recess formed in the lens and A structure of a two-point frame in spectacles, characterized in that a part is fixed to the lens. 2. A structure for fixing a two-point frame in a pair of spectacles, which comprises bridges for connecting lenses and holding the bridges at a predetermined interval, to a lens of a mounting portion formed at both ends of the bridge. Stand one screw pin for fixing from the opposite surface,
A pedestal is arranged on the surface of the mounting portion, and an opening that allows the threaded pin to pass through and allows relative movement is provided in the pedestal and a locking pin is provided adjacent to the opening. Is inserted into a through hole formed in the lens of the eyeglass and tightened with a nut, and the locking pin is fitted into a recess formed in the lens to fix the bridge to the lens. Two-point frame structure. 3. A two-point frame of spectacles, which comprises a temple, an armature part provided on the temple via a hinge part, and a bridge for connecting the lens and holding the lens at a predetermined interval, is fixed to the lens. In the structure, one threaded pin for fixing is erected on the surface of the mounting portion formed at both ends of the end piece or the bridge facing the lens, and each of the end portion of the end piece or the mounting portion A pedestal is arranged on the surface, and an opening that allows the threaded pin to pass through and allows relative movement is provided on the pedestal, and a locking pin is provided adjacent to the opening.
The threaded pin is inserted into a through hole formed in a lens of eyeglasses and tightened with a nut, and the locking pin is fitted into a recess formed in the lens to attach the end piece or the mounting portion to the lens. Two-point frame structure in eyeglasses characterized by fixing. 4. The spectacles according to claim 1, 2 or 3, wherein a pedestal having a size shorter than a length of the surface is arranged on a surface of the end portion of the end portion or the mounting portion of the bridge facing the lens. Two-point frame structure. 5. The structure of a two-point frame in eyeglasses according to claim 1, 2 or 3, wherein a locking pin provided on the pedestal is located closer to the edge of the lens than the threaded pin. 6. The structure of a two-point frame for spectacles according to claim 1, 2 or 3, wherein a locking pin provided on the pedestal is located closer to the center of the lens than the threaded pin. 7. The threaded pin is erected in an elongated groove provided in the mounting portion of the end portion or the bridge,
The structure of a two-point frame for eyeglasses according to claim 1, 2 or 3, wherein a pedestal provided with the locking pin is fitted in the groove so as to be finely adjustable. 8. A plate-shaped pedestal in which the end portion or the attachment portion of the bridge is formed in a plate shape and the threaded pin is provided upright, and the engagement pin is provided in the end portion or the attachment portion. The structure of a two-point frame in spectacles according to claim 1, 2 or 3, wherein the structure is fitted so as to be finely adjustable. 9. A set screw in which the one threaded pin for fixing, which is erected on the mounting portion of the end portion or the bridge, is inserted through an insertion hole formed in the end portion or the mounting portion. Structure of a two-point frame in spectacles according to claim 1, 2 or 3, characterized in that it consists of pins of the type: 10. The structure of a two-point frame for spectacles according to claim 2, wherein the bridge and the attachment portion of the bridge are integrally formed, and the box leg is attached to this member. 11. The structure of a two-point frame in eyeglasses according to claim 2, wherein the bridge and the box leg are integrally formed, and the bridge mounting portion is mounted on this member. 12. The structure of a two-point frame for spectacles according to claim 2, wherein the bridge mounting portion and the box leg are integrally formed, and the bridge is mounted on this member.