JP2000028968A - Simple additional lenses attaching and detaching mechanism in spectacles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable additional lenses to be attached to ordinary spectacles simply and surely by providing respective guide protrusions at symmetric positions of outer peripheral parts on the ordinary spectacles and providing respective guide holes into which respective guide protrusions are to be guided on the additional lenses. SOLUTION: Bracket endpieces 14a, 14a to which temples 16 are hinged are fitted to both right and left ends of standard lenses 10, 10 of spectacles 1 in inserted and held states. First magnetic pieces 14, 14 being magnets are provided on these bracket endpieces 14a, 14. Moreover, respective guide protrusions 13, 13 are provided at upper parts of both sides of front surface sides of the standard lenses 10, 10. On the other hand, second magnetic pieces 24, 24 consisting of magnets are provided at positions corresponding to the first magnetic pieces 14, 14, and guide holes 23, 23 into which the guide protrusions 13, 13 are to be guided are also provided at positions corresponding to respective guide protrusions 13, 13 on the outer peripheral parts of addition lenses 20, 20. Thus, the addition lenses 20, 20 are to be attached to the standard lenses 10, 10 by allowing respective first and second magnetic pieces 14, 24 to be attracted with each other while making the guide protrusions 13, 13 to be guidedly inserted into the guide holes 23, 23.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanism for easily attaching and detaching an additional lens to spectacles, and more particularly, to a short focal length convex lens required for simple and quick approach to ordinary spectacles.
New and practical that can add a function to enhance near vision by installing a bifocal lens or progressive lens, or can enhance a vision protection function by installing a dimming lens that absorbs harmful rays such as ultraviolet rays and infrared rays. The present invention relates to a typical additional lens attaching / detaching mechanism.

[0002]

2. Description of the Related Art For example, JP-A-9-105889 discloses
A colored lens (additional lens) 40 is provided on the front side of the lenses 30 of the glasses 3 (hereinafter, abbreviated as “known glasses”) as shown in FIG.
A temple-less type sunglasses 4 holding 40 has been proposed which is detachably mounted on a magnet and attached.

That is, the lens frames 31 of the known glasses 3
Are fitted with lenses 30 and brackets 32 are fixed to both sides. The brackets 32 have first magnetically attached portions 34, 34 made of magnets on the front side of the lens 30.
Is attached. On the other hand, on the other hand, the auxiliary glasses 4
Colored lenses 40 having substantially the same size as the lenses 31 are fitted to the lens frames 41. The auxiliary glasses 4 have the first magnetically attached portion 34 on the glasses 3 side.
The second magnetically attached portions 44, 44 are provided at positions corresponding to 34 via the support portions 42.
When the auxiliary glasses 4 are attached to the front of the glasses 3, the auxiliary glasses 4 are attached to the first magnetically attached portions 34 of the glasses 3.
The second magnetically attached portions 44 can be attached by overlapping and adsorbing.

[0004]

SUMMARY OF THE INVENTION The above-mentioned Japanese Patent Application Laid-Open No. 9-10 / 1998
In the attachment / detachment mechanism of Japanese Patent No. 5889, sunglasses are attached to the spectacles by superimposing and attaching the magnetic attachment portion of the sunglasses to the magnetic attachment portion of the eyeglasses. When the parts are brought close to each other, even when the magnetic surfaces of the magnetic parts are not completely overlapped with each other, they may be magnetically attached to each other by the magnetic force of each other. Therefore,
In order for the magnetically bonded surfaces of the magnetically bonded portions to be accurately overlapped and magnetically bonded, the positions of the magnetically bonded portions must be confirmed and faced without deviation, and there has been a problem that attention and labor are required.

When the magnetically adhering surfaces of the two magnetically adhering portions are adsorbed to each other in an incomplete state, the magnetic adhering force is reduced by the reduced adhering area, and the sunglasses disposed on the front face are displaced from the glasses. There was a problem that it was easy to come off and come off.

An object of the present invention is to provide a simple attachment / detachment mechanism of an additional lens in spectacles, which can easily and surely attach the additional lens to commonly used spectacles.

It is another object of the present invention to provide a mechanism for attaching and detaching an additional lens in eyeglasses, which can stabilize the state of attachment of the additional lens in eyeglasses.

[0008]

According to the first aspect of the present invention, an additional lens is provided on the front side of each of the lenses of the eyeglasses.
In the outer peripheral portion of the standard lens 10 and the additional lens 20 that overlaps the standard lens 10
One is provided with a first magnetically attached piece 14, and the other is provided with a second magnetically attached piece 24 which is attracted to the corresponding first magnetically attached piece 14. In each of the additional lenses 20 and 20 overlapping 10 and 10, one of the guide projections 13 and 13 is provided at a symmetrical position of the outer peripheral portion, and the other guide and the corresponding guide projections 13 and 13 are guided in the other. Hole
A simple attachment / detachment mechanism of the additional lens in the glasses provided with 23 and 23 is realized.

According to the second aspect of the present invention, the first aspect is provided.
Wherein the outer peripheral portions of the additional lenses 20 and 20 are provided with a first magnetic piece 14 or a second magnetic piece 24.
In this case, a hook portion 25 that is hooked on the spectacles 1 is provided at a position symmetrical to the above.

[0010] According to the third aspect of the present invention, the first aspect is provided.
Wherein the outer peripheral portions of the additional lenses 20 and 20 are provided with a first magnetic piece 14 or a second magnetic piece 24.
A hook portion 25 to be hooked on the glasses 1 is provided at a symmetrical position with respect to the above.

According to the fourth aspect of the present invention, additional lenses 20 are superimposed on the front side of the standard lenses 10 of the spectacles 1, and the additional lenses 20
Are connected to each other to form detachable auxiliary spectacles 2. One side of the auxiliary spectacles 2 and the corresponding part of the spectacles 1 are provided with a first magnetically attached piece 14, and the other Is provided with a second magnetic attachment piece 24 that is attracted to the corresponding first magnetic attachment piece 14,
At least one of the outer peripheral portions of 20 and 20 and the portion of the eyeglasses 1 corresponding to the relevant portion, one of the guide projections
A simple attachment / detachment mechanism for an additional lens in eyeglasses is provided, wherein a guide hole 23 for guiding the corresponding guide projection 13 is provided on the other side.

According to the invention described in claim 5, according to claim 4,
A simple attachment / detachment mechanism of the additional lens described in the above,
Is provided with a hook portion 25 which can be hooked on the spectacles 1 at a position symmetrical to the first magnetically attached piece 14 or the second magnetically attached piece 24.

According to the invention of claim 6, according to claim 4,
A simple attachment / detachment mechanism of the additional lens described in the above,
Is provided with a pressing portion 26 which can be pressed against the spectacles 1 at a symmetrical position with respect to the first magnetic piece 14 or the second magnetic piece 24 on the side portion of. .

According to the invention described in claim 7, according to claim 4,
7. A simple attachment / detachment mechanism for an additional lens in eyeglasses according to any one of the above-described items, wherein the bridge portion 21 is hooked on the bridge portion 11 of the corresponding eyeglass 1.

According to the invention of claim 8, according to claim 1,
8. A simple attachment / detachment mechanism for an additional lens in the eyeglasses according to any one of the above-described items, wherein the eyeglasses 1 are rimless eyeglasses.

According to the ninth aspect of the present invention, the first aspect is provided.
4. The mechanism for easily attaching and detaching an additional lens in eyeglasses according to any one of (1) to (3), wherein the first magnetic piece 14 or the second magnetic piece 24 provided on the additional lenses 20
Is mounted via a support piece 24a bent toward the lens 10 side.

According to a tenth aspect of the present invention, there is provided a simple attachment / detachment mechanism for an additional lens in the eyeglasses according to any one of the fourth to sixth aspects, wherein the first magnetic attachment provided on the auxiliary glasses 2 is provided. The piece 14 or the second magnetically attached piece 24 is mounted via a support piece 24a bent toward the lens 10 of the corresponding spectacles 1.

According to an eleventh aspect of the present invention, there is provided a simple attachment / detachment mechanism for an additional lens in the eyeglasses according to any one of the first to eighth aspects, wherein the first magnetic piece 14 and the second magnetic piece are attached. 24, one is provided with the guide projection 13 and the other is provided with the guide hole 23.

According to a twelfth aspect of the present invention, there is provided a simple attachment / detachment mechanism for an additional lens in the eyeglasses according to any one of the first to eleventh aspects, wherein the additional lenses 20 are near focus portions.
What is realized is a bifocal lens having a progressive lens 20a or a progressive lens having a progressive focal zone 20b.

According to a thirteenth aspect of the present invention, there is provided a simple additional attachment / detachment mechanism for an additional lens in the eyeglasses according to any one of the first to eleventh aspects, wherein the additional lenses 20 are capable of absorbing harmful rays. A dimming lens or a diversion lens that allows only light beams that vibrate in a predetermined direction to pass is realized.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a mechanism for attaching and detaching an additional lens to eyeglasses according to the present invention will be described below with reference to the drawings.

[First Embodiment] FIG. 1 is a perspective view showing a first embodiment of an attachment / detachment mechanism of an additional lens with respect to spectacles.
Is an exploded perspective view showing the attachment / detachment mechanism disassembled, FIG. 3 is an exploded plan view showing the attachment / detachment mechanism disassembled, and FIG. 4 is a state in which each additional lens is attached to the left and right standard lenses of the glasses from the state of FIG. FIG. 4 is a partial plan view showing a state in which it is folded.

In the spectacles 1 of the first embodiment, on the front side of the left and right standard lenses 10 and 10, additional lenses 20 and 20 having substantially the same size as those of the standard lenses 10 and 10 are perfectly overlapped with each other. ing. At both left and right ends of the standard lenses 10 of the spectacles 1, brackets 14a for hinge-connecting the temples 16 are attached in a sandwiching state, and the first magnets are connected via the brackets 14a. Magnetic attachment pieces 14 are provided. On the front side of the standard lenses 10, 10, guide projections 13, 13 are provided at upper portions on both sides.

On the other hand, on the outer peripheral portion of the additional lenses 20, 20, a second magnet made of a magnet is provided at a position corresponding to the first magnetic pieces 14.
Magnetic attachment pieces 24 are provided, and guide holes 23 for guiding the guide projections 13 are provided at positions corresponding to the respective guide projections 13.

In this embodiment, the spectacles 1 are configured as so-called "rimless spectacles",
・ 20 has a colored lens. Therefore, by adding the additional lenses 20, the function of the rimless glasses 1 as a sunglass lens is added.
In addition, each lens 10 of the rimless spectacles 1 in the present embodiment.
-10 are mutually connected by the bridge part 11 which consists of a metal wire. The bridge portion 11 is bent in a concave arc shape with respect to the eyepiece side, and guide projections 13 are integrally formed at both ends thereof. The guide projections 13 penetrate and protrude from the eyepiece side to the front side of the standard lenses 10. The bridge portion 11 connects the left and right standard lenses 10 to each other by such a configuration.

The left and right standard lenses 10 of the rimless spectacles 1 in this embodiment are provided with clip portions 12 made of a metal wire at symmetrical positions at both ends of the bridge portion 11. This clip part 12
The pin 13 is integrally connected to the pin 13 and forms a part of the brackets 14a.

The brackets 14a are in contact with the outer peripheral surfaces of the standard lenses 10. Bracket Ji 14a
The guide protrusions 13 formed as part of 14a
As in the case of both ends of the bridge 11, the standard lenses 10 penetrate and protrude from the eyepiece side to the front side. As described above, the bearing portion 12b is formed at the take-out end of the bracket J, and the temple 16 is pivotally supported on the bearing portion 12b.

By the way, at both ends of the additional lenses 20, notches (no symbols) are provided at positions corresponding to the respective guide projections 13 of the spectacles 1, and the notches are made of plastic. The base plate 22 is fitted with the guide holes 23 described above.

Further, the second magnetically attached piece 24 is
Is fixed to a support piece 24a extending in a curved shape so as to be brought out toward the standard lens 10 side to the base plate 22 on the side corresponding to the above.

The additional lens attaching / detaching mechanism of the present embodiment is configured as described above. First, the guide projections 13 of the standard lens 10 on the rimless spectacles 1 side are connected to the respective additional lenses 20. The first magnetic piece 14 and the second magnetic piece 24 are magnetically attached to each other by inserting them into the 20 guide holes 23 and 23 so as to be added to the standard lenses 10 and 10 of the spectacles 1. 20 ・ 20 can be mounted extremely easily, quickly and reliably.

Second, the standard lens 10 of the rimless glasses 1
10 and each additional lens 20 ・ 20 not only cause the magnetically attached pieces 14 ・ 24 to be attracted to each other, but also guide projections 13 ・ 13 are guided and inserted into the corresponding guide holes 23 ・ 23 respectively. ,
Each of the additional lenses 20 does not accidentally move from the standard lenses 10 of the spectacles 1 and does not easily come off.

Third, since the second magnetic piece 24 is attached to the side of the additional lenses 20 via the support piece 24a, the second magnetic piece 24 is attracted to the first magnetic piece 14. In this state, the visual field is hardly obstructed by the presence of the magnetic pieces 14 and 24.

Fourth, the rimless glasses 1 of the present embodiment are
Since there is no lens frame and each of the additional lenses 20 does not use a lens frame, it is much lighter and has a wider field of view than a lens frame.

Further, in the first embodiment, the additional lenses 20 used in the first embodiment are replaced with colored ones, and a short focal length convex lens for close working, a bifocal lens shown in FIG.
Substituting the progressive lens shown in (1) is very useful for assisting the elderly in reading and close work.

In FIG. 14, reference numerals in the additional lenses 20 are used.
The part indicated by 20a is a short focal point part, and when performing close proximity work, fine parts can be clearly seen when the eyes are aligned. In FIG. 15, the portion indicated by reference numeral 20b in the additional lenses 20 is a progressive focal region, which is designed so that the focal length gradually decreases along the lower side. When the progressive lens shown in FIG. 15 is employed as the additional lens 20, a sufficient visual acuity can be freely obtained at a long distance, a medium distance, and a short distance, which is extremely useful.

[Second Embodiment] FIG. 5 is an exploded plan view showing a disassembled and simplified mechanism for attaching and detaching an additional lens in eyeglasses according to a second embodiment of the present invention. Base plates 22 similar to those of the first embodiment are fitted into the additional lenses 20 and 20 at positions corresponding to the guide projections 13 formed at both ends of the bridge portion 11 of the spectacles 1. A hook portion 25 made of a metal wire and hooked and bent toward the standard lens 10 of the corresponding glasses 1 is fixed to the base plate 22. The spectacles 1 according to the second embodiment are also rimless spectacles of the same type as the spectacles 1 according to the first embodiment.
The configuration of other 20 parts is the same as that of the first embodiment.

According to the attachment / detachment mechanism of the second embodiment, the hook portions 25 of the additional lenses 20 are connected to the left and right standard lenses 10 of the rimless spectacles 1 because of the above-described configuration. By hooking and inserting the guide projections 13 into the corresponding guide holes 23 and 23 while guiding them together, the first magnetic piece 14 is attracted to the corresponding second magnetic piece 24 so that the standard Each additional lens 20 ・ 10 for lens 10 ・ 10
20 can be mounted more easily, quickly and reliably. Further, according to the simple attaching / detaching mechanism of the second embodiment, the hook 25 of each of the additional lenses 20 is connected to the eyeglasses 1.
Is configured to be hooked onto the standard lens 10.10, the mounting state of each additional lens 20.20 becomes more stable and reliable, and each additional lens 20.20 hardly comes off from the standard lens 10.10. Other configurations, operations, and effects of the present embodiment are substantially the same as those of the first embodiment, and thus description thereof is omitted.

[Third Embodiment] FIG. 6 is an exploded plan view showing an exploded simple lens attachment / detachment mechanism according to a third embodiment of the present invention. Each additional lens 20 ・ 20 has glasses 1
A base plate 22 similar to that of the second embodiment is provided at a position corresponding to the guide projections 13 formed at both ends of the bridge portion 11.
Is fitted. A fixing portion 26 made of wire bent in a pressing shape toward the lens 10 of the corresponding glasses 1 is fixed to the base plate 22. The tip of the pressing portion 26 is formed in a flat shape. The configuration of the other parts of each additional lens 20 is the same as that of the second embodiment.

According to the attachment / detachment mechanism of the third embodiment, the pressing portion 26 of each of the additional lenses 20 is used as the standard lens of the spectacles 1.
The guide projections 13 are pressed into the corresponding guide holes 23 and inserted into the corresponding guide holes 23 while the first magnetic piece 14 is inserted into the corresponding second magnetic piece 24. Thus, the additional lenses 20 and 20 can be more easily attached to the standard lenses 10 and 10 of the spectacles 1, and the additional lenses 20 and 20 can be securely attached in a quick and stable state.

According to the attachment / detachment mechanism of the third embodiment,
The retaining portion 26 of the additional lens 20 is connected to the standard lens 10
Since the configuration is such that the additional lenses 20 are pressed against the outer peripheral edge of the lens 10, the attachment state of the additional lenses 20 is more stable and reliable, and the additional lenses 20 are less likely to come off from the lenses 10. Other configurations, operations, and effects in the present embodiment are as follows.
Since it is substantially the same as the case of the second embodiment, the description thereof is omitted.

[Fourth Embodiment] FIG. 7 is an exploded perspective view showing an exploded simple lens attaching / detaching mechanism according to a fourth embodiment of the present invention. The spectacles 1 are rimless spectacles, and guide projections 13 are provided on upper sides of the spectacles 1 in the same state as in the first embodiment. The same clip portions 12 as in the first embodiment are attached to the upper portions on both sides of the rimless spectacles 1 according to the present embodiment, and guide projections 13 formed at the distal ends of the clip portions 12 penetrate the standard lenses 10. And it protrudes to the front side. Each clip part
On one side of 12, a first magnetically attached piece 14 as shown in FIG. 1 is provided, but on the other side, the first magnetically attached piece 14 is omitted and not provided.

A pair of additional lenses 20 and 20 composed of sunglass lenses provided so as to overlap the front side of the standard lenses 10 and 10 of the rimless glasses 1 are connected by a bridge portion 21 to form the rimless type auxiliary glasses 2. are doing. This additional lens 20
A base plate 22 made of plastic is fitted into a notch (not shown) obtained by partially removing 20.
The base plate 22 is formed with a guide hole 23 for guiding and inserting the guide projection 13 formed integrally with the bridge portion 11 of the spectacles 1. Joint portions 22a are respectively formed on opposing portions of the base plate 22, and both lower ends of the bridge portions 21 made of a metal wire bent backward are inserted into the joint portions 22a. The above-described base plates 22 are fitted into upper portions of both sides of the auxiliary glasses 2, respectively. The base plate 22 is formed with a guide hole 23 into which the guide protrusion 13 integrated with the clip portion 12 of the glasses 1 is guided and inserted. On the side corresponding to the first magnetic piece 14 of each base plate 22, a second magnetic piece 24 is provided as in the case of FIG. 1, but the second magnetic piece is omitted on the other side. Not adopted.

According to the attachment / detachment mechanism of the fourth embodiment, the bridge portion 21 of the auxiliary glasses 2 is hooked on the bridge portion 11 of the eyeglasses 1, and the guide projections 13 correspond to the corresponding guide holes 23.
・ On the other hand, the first magnetic piece 14 is magnetically attached to the corresponding second magnetic piece 24 while being inserted into the guide 23, so that the additional lenses 20 and 20 can be more easily attached to the lenses 10 and 10 of the spectacles 1. In addition, it is possible to quickly and stably and surely attach. 4th
In the embodiment, since the additional lenses 20 are connected to each other by the bridge portion 21 to form the auxiliary glasses 2, the mounting of the glasses 1 to the lenses 10 is further simplified. Other configurations, operations, and effects of this embodiment are almost the same as those of the first embodiment, and therefore, description thereof will be omitted.

[Fifth Embodiment] FIG. 8 is an exploded plan view of a fifth embodiment of the present invention in which a simple attachment / detachment mechanism of an additional lens is exploded. On the upper part on both sides of the auxiliary glasses 2, a fourth
Base plates 22 similar to those of the embodiment are fitted respectively. On one side of each base plate 22, a second magnetically attached piece 24 similar to that of the fourth embodiment is provided, and on the other side, a metal wire rod bent toward the lens 10 of the corresponding glasses 1 is formed. The hook 25 is fixed. Additional lens
The configuration of other parts 20 and 20 is the same as that of the fourth embodiment.

According to the attachment / detachment mechanism of the fifth embodiment, the hook portion 25 of the auxiliary glasses 2 is hooked on the standard lens 10 of the glasses 1 and the bridge portion 21 of the auxiliary glasses 2 is The first magnetic piece 14 is attracted to the corresponding second magnetic piece 24 while the guide projections 13 are inserted into the corresponding guide holes 23 by hooking on the first bridge portion 11. Thereby, the additional lenses 20 and 20 can be more easily compared with the left and right standard lenses 10 and 10 in the glasses 1,
In addition, quick and stable mounting can be ensured.
Other configurations, operations, and effects of this embodiment are almost the same as those of the fourth embodiment, and thus description thereof will be omitted.

[Sixth Embodiment] FIG. 9 is an exploded plan view showing an exploded simple lens attachment / detachment mechanism according to a sixth embodiment of the present invention. The same base plates 22 as in the fourth embodiment are fitted into upper portions on both sides of the auxiliary glasses 2, respectively. On one side of each base plate 22, the same second magnetically attached piece 24 as in the fourth embodiment is provided, and on the other side, a push made of wire bent toward the lens 10 of the corresponding glasses 1 is pressed. The stop 26 is fixed. The tip of the pressing portion 26 is formed in a flat shape. The configuration of the glasses 1 and the configuration of the other parts of the additional lenses 20 are the same as those of the fourth embodiment.

According to the attachment / detachment mechanism of the sixth embodiment, the pressing portion 26 of the auxiliary glasses 2 is pressed against the outer peripheral edge of the standard lens 10 of the glasses 1, and the bridge 21 of the auxiliary glasses 2 is connected to the bridge of the glasses 1. By hooking on the portion 11 and guidingly inserting the guide protrusions 13 into the corresponding guide holes 23, the first magnetic piece 14 is attracted to the corresponding second magnetic piece 24 so that the eyeglasses 1 The additional lenses 20, 20 can be easily, quickly, stably and reliably attached to the left and right standard lenses 10, 10. Other configurations, operations, and effects of this embodiment are substantially the same as those of the fourth embodiment, and thus description thereof will be omitted.

[Seventh Embodiment] FIG. 10 is a partially exploded perspective view showing an exploded simple attachment / detachment mechanism of an additional lens according to a seventh embodiment of the present invention. FIG. 11 is a first magnetic attachment shown in FIG. It is the expansion perspective view which showed the piece and the 2nd magnetically attached piece. Glasses 1 and auxiliary glasses 2
The standard lens 10 ・ 10 and the additional lens 20 ・ 20 are respectively a lens frame in which the bridge portions 11 ・ 21 are integrally formed.
11a and 21a. On both sides of the spectacles 1, a chimney 12 is formed integrally with the lens frame 11 a, and on one of the chimneys 12, a short cylindrical first magnetic attachment piece 14 having a through hole 23 in the center is provided. Is provided.

On the other hand, on the side of the auxiliary glasses 2, a support piece 24a is formed integrally with the lens frame 21a.
4a, a columnar second adsorbing member adsorbing the first magnetically attached piece 14 is provided.
The magnetic piece 24 is provided so as to penetrate. At the center of the second magnetically attached piece 24, a guide projection 13 guided to the guide hole 23 is formed.

According to the attachment / detachment mechanism of the seventh embodiment, the guide projections 13 on the auxiliary glasses 2 side are fitted to the corresponding guide holes 23 of the glasses 1.
Then, the first magnetic piece 14 and the second magnetic piece 24 are simultaneously attracted, so that the attachment of the additional lenses 20 to the standard lenses 10 of the spectacles 1 is further simplified. Also, since the magnetic pieces 14 or 24 and the guide holes 23 or the guide projections 13 are integrated, the number of components is reduced, and the assembling process can be further simplified.

[Other Embodiments] The first magnetic piece 14 and the second magnetic piece 24 in the first to third embodiments are provided on the side of the standard lens 10 and the side of the additional lens 20. However, these magnetic pieces 14 and 24 are the standard lenses 10 and
It may be provided on other portions of the outer peripheral portion of the 10 and the additional lenses 20.

In the first to sixth embodiments, the first magnetically attached piece 14 is provided on the standard lens 10 side, and the second magnetically attached piece 24 is provided on the additional lens 20 side. 14 may be provided on the additional lens 20 side, and the second magnetically attached piece 24 may be provided on the lens 10 side. Each of the guide projections 13 in the first to sixth embodiments is a standard lens 10
The guide holes 23 are provided on the side of the additional lens 20, while the guide projections 13 are provided on the side of the additional lens 20.
The guide holes 23 are provided on the side of the standard lens 10, and the guide holes 23 may be provided on the side of the standard lens 10.

The guide projections 13 and the guide holes 23 in the first to sixth embodiments are the same as the standard lens 10 and the additional lens.
Although the guide projections 13 and the guide holes 23 and 23 are provided in the standard lens 10 and the additional lens 20, respectively, one or two or more locations may be provided.

The glasses 1 in the first to sixth embodiments.
Are rimless glasses without a lens frame, but glasses having a lens frame may be used.

In the first to sixth embodiments, permanent magnets are used for the first magnetic piece 14 and the second magnetic piece 24. One of them is a magnet, and the other is a magnet. It can be your body.

The hook portion 25 in the second or fifth embodiment is formed of a metal wire bent so as to be hooked to the corresponding standard lens 10 of the spectacles 1, for example, as shown in FIG. 12 or FIG. As described above, a metal wire rod that is bent in a hook shape with respect to both ends of the corresponding bridge portion 11 or the clip portion 12 may be used.

The guide hole 23 of the seventh embodiment is formed on the first magnetically attached piece 14, and the guide projection 13 is formed on the second magnetically attached piece 24, but the guide hole 23 is formed on the second magnetically attached piece 24. The guide projection 13 may be formed on the first magnetically attached piece 14.
Also, the first magnetic piece 14 and the second magnetic piece in the seventh embodiment.
Reference numeral 24 is attached to spectacles having a lens frame, but they may be attached to rimless spectacles.

Further, the shapes of the additional lenses 20 and 20 described in the above-described embodiments are almost the same as those of the standard lenses 10 and 10. However, according to the gist of the present invention, the additional lenses 20 and 20 are not necessarily required. The shape of 20 ・ 20 does not have to be the same as the standard lens 10 ・ 10.For example, as shown in FIG. 16, the additional lenses 20 ・ 20 have a shape corresponding to the upper shape of the standard lens 10 ・ 10, As shown in FIG. 17, it is possible to add necessary functions to the corresponding parts by making the additional lenses 20/20 into a shape corresponding to the lower shape of the standard lenses 10/10, and such a design is possible. It goes without saying that the modifications belong to the technical scope of the present invention.

[0059]

According to the first aspect of the present invention, the first
In addition, standard lenses 10 ・ 10 and additional lenses 20 ・ 20 of eyeglasses
Since the guide projections 13 and 13 and the guide holes 23 are provided, and the first magnetic piece 14 and the second magnetic piece 24 are provided, the guide protrusions 13 are guided and inserted into the guide holes 23. , First magnetically attached piece
By adsorbing the 14 and the second magnetically attached piece 24 to each other, the additional lenses 20 and 20 can be attached to the standard lenses 10 and 10 of the spectacles 1 very easily, quickly, and stably.

Second, the standard lenses 10 and 10 and the additional lenses 20 and 20 of the spectacles 1 not only adsorb the magnetically attached pieces 14 and 24 but also the guide projections 13 and 13 correspond to the corresponding guides. Hole
Since it is in the state inserted and guided to 23 ・ 23, each additional lens
20.20 is unlikely to deviate from the standard lens 10.10.

According to the second aspect of the present invention, since each of the additional lenses 20 is provided with the hook portion 25 to be hooked on the spectacles 1, each of the additional lenses 20 and 20 is more attached than the detachable mechanism of the first aspect. The attachment state of the lenses 20 is more stable and reliable, and the additional lenses 20 are unlikely to deviate from the standard lenses 10 of the spectacles.

According to the third aspect of the present invention, the additional lenses 20 and 20 are provided with the pressing portions 26 which are pressed against the spectacles 1. In addition, the attachment state of the additional lenses 20 and 20 is stable and reliable, and each of the additional lenses 20 and 20 does not easily come off from the standard lenses 10 and 10 of the glasses 1.

According to the fourth aspect of the present invention, since the additional lenses 20 are connected to each other by the bridge portion 21 to form the auxiliary glasses 2, the attachment / detachment mechanism according to the first to third aspects of the present invention. The attachment state of each additional lens 20 is more stable and reliable than that of the first embodiment, and the additional lens 20 does not easily come off the standard lens 10 of the eyeglasses.

According to the fifth aspect of the present invention, since the auxiliary eyeglasses 2 are provided with the hook portions 25 to be hooked on the eyeglasses 1, the mounting of the auxiliary eyeglasses 2 is more difficult than the attachment / detachment mechanism according to the fourth aspect. The state becomes more stable and reliable, and the auxiliary glasses 2
Are hard to deviate from the standard lenses 10 of the glasses 1.

According to the sixth aspect of the present invention, the auxiliary glasses 2 are provided with the pressing portions 26 which are pressed against the eyeglasses 1. Glasses 2
The attachment state of the eyeglasses 1 is stable and reliable, and the additional lenses 20 and 20 of the auxiliary glasses 2 are unlikely to deviate from the standard lenses 10 and 10 of the eyeglasses 1.

According to the seventh aspect of the present invention, since the bridge portion 21 of the auxiliary glasses 2 is configured to be hooked on the bridge portion 11 of the eyeglasses 1, the attachment of the eyeglasses 1 to the standard lenses 10. It becomes even easier.

According to the eighth aspect of the present invention, since the spectacles 1 are rimless spectacles having a lens frame, the spectacles 1 are lighter and have a wider field of view than spectacles having a lens frame.

According to the invention described in claim 9 or 10,
The first magnetically attached piece 14 or the second magnetically attached piece 24 is attached via the supporting piece 24a bent toward the lens 10 of the corresponding spectacles 1, so that the second magnetically attached piece 24 is first magnetically attached. In the state of being attracted to the piece 14, there is no fear that the first and second magnetically attached pieces 14 and 24 obstruct the visual field.

According to the eleventh aspect, one of the first magnetic piece 14 and the second magnetic piece 24 has the guide projection 13, and the other has the guide hole 23. Therefore, by guiding the guide projection 13 to the corresponding guide hole 23 and simultaneously adsorbing the first magnetic piece 14 and the second magnetic piece 24,
The attachment of the additional lenses 20 to the standard lenses 10 of the spectacles 1 is further simplified. Also, the magnetic piece 14 or 24
And the guide hole 23 or the guide projection 13 are integrated, so that the number of parts is small and the assembling process can be further simplified.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a first embodiment of an additional lens simple attachment / detachment mechanism of the present invention.

FIG. 2 is an exploded perspective view showing an exploded view of an attachment / detachment mechanism of an additional lens in FIG. 1;

FIG. 3 is an exploded plan view showing an exploded attachment / detachment mechanism of the additional lens in FIG. 1;

FIG. 4 is a partial plan view showing a state where the additional lens is attached to a standard lens of eyeglasses from the state of FIG. 3;

FIG. 5 is an exploded plan view showing a disassembled mechanism for attaching and detaching an additional lens according to a second embodiment of the present invention.

FIG. 6 is an exploded plan view showing a disassembled mechanism for attaching and detaching an additional lens according to a third embodiment of the present invention.

FIG. 7 is an exploded perspective view showing a disassembled mechanism for attaching and detaching an additional lens according to a fourth embodiment of the present invention.

FIG. 8 is an exploded plan view showing a disassembled mechanism for attaching and detaching an additional lens according to a fifth embodiment of the present invention.

FIG. 9 is an exploded plan view showing a disassembled attachment / detachment mechanism of an additional lens according to a sixth embodiment of the present invention.

FIG. 10 is a partially exploded perspective view showing a disassembled mechanism for attaching and detaching an additional lens according to a seventh embodiment of the present invention.

FIG. 11 is an enlarged perspective view showing first and second magnetically attached pieces used in a seventh embodiment of the present invention in an enlarged manner.

FIG. 12 is an exploded plan view showing a disassembled mechanism for attaching and detaching an additional lens according to another embodiment of the present invention.

FIG. 13 is an exploded plan view showing a disassembled attachment / detachment mechanism of an additional lens in another embodiment of the present invention.

FIG. 14 is an exploded perspective view showing a simple attachment / detachment mechanism of the additional lens when a bifocal lens is employed as the additional lens, which is a modification of the first embodiment.

FIG. 15 is an exploded perspective view showing a simple attachment / detachment mechanism of an additional lens in a case where a progressive addition lens is employed as the additional lens, as still another modification of the first embodiment.

FIG. 16 is an exploded perspective view of a modified embodiment of the present invention when the additional lenses 20 are formed in a shape corresponding to the upper shape of the standard lenses 10;

FIG. 17 is an exploded perspective view showing a modified embodiment of the present invention when the additional lenses 20 are formed in a shape corresponding to the lower shape of the standard lenses 10.

FIG. 18 is a view showing a structure for attaching an additional lens to conventional known glasses.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Eyeglasses 10 Standard lens 11 Bridge part 11a Lens frame 12 Clip part 12b Bearing part 13 Guide projection 14 First magnetic piece 14a Bracket 16 Temple 2 Auxiliary glasses 20 Additional lens 21 Bridge part 21a Lens frame 22 Base plate 22a Joint part 23 Guide Hole 24 Second magnetically attached piece 24a Supporting piece 25 Hook portion 26 Depressing portion 3 Known glasses 30 Lens 31 Lens frame 32 Bracket 34 First magnetically attached portion 4 Sunglasses 40 Colored lens 41 Lens frame 42 Supporting portion 42 Second magnetically attached Department

Claims (14)

[Claims] 1. A left and right standard lens in a pair of eyeglasses.
On the front side of each of the additional lenses 20 and 20 are provided so as to overlap with each other, and at the outer peripheral portion of the standard lens 10 and the additional lens 20 that overlaps the standard lens,
A magnetically attached piece 14 is provided, and the other is provided with a second magnetically attached piece 24 that is attracted to the corresponding first magnetically attached piece 14. The standard lens 10 and the additional lens 20 overlapping therewith are provided.・
20, one is provided with each guide projection 13 at a symmetrical position of the outer peripheral portion, and the other is provided with each guide hole 23 through which the corresponding guide projection 13 is guided. A simple attachment / detachment mechanism for an additional lens in eyeglasses. 2. A hook portion 25 which is hooked on the spectacles 1 at a position symmetrical to the first magnetic piece 14 or the second magnetic piece 24 is provided on the outer peripheral portion of the additional lenses 20 and 20. The simple attachment / detachment mechanism for the additional lens according to claim 1. 3. An outer peripheral portion of each of the additional lenses 20 is provided with a pressing portion 26 which is pressed against the spectacles 1 at a position symmetrical to the first magnetic piece 14 or the second magnetic piece 24. 2. The simple attachment / detachment mechanism for an additional lens according to claim 1, wherein: 4. On the front side of the standard lenses 10 of the spectacles 1,
The additional lenses 20 are provided in an overlapping manner, and the additional lens 20 is provided.
20 are connected to each other by a bridge portion 21 to form the detachable auxiliary glasses 2, and one side of the auxiliary glasses 2 and the corresponding part of the glasses 1 have a first magnetically attached piece 14 is provided, and the other is provided with a second magnetic attachment piece 24 that is attracted to the corresponding first magnetic attachment piece 14, and at least one portion of the outer peripheral portion of the additional lenses 20 in the auxiliary glasses 2. And a portion of the spectacles 1 corresponding to the portion, wherein one is provided with a guide projection 13 and the other is provided with a guide hole 23 through which the corresponding guide projection 13 is guided. A simple attachment / detachment mechanism for additional lenses in spectacles. 5. The first magnetically attached piece is provided on a side portion of the auxiliary glasses 2.
The simple attachment / detachment mechanism for an additional lens according to claim 4, wherein a hook portion 25 that can be hooked on the eyeglasses 1 is provided at a position symmetrical to the 14 or the second magnetic attachment piece 24. 6. A supporting portion which can be pressed against the spectacles 1 at a symmetrical position with respect to the first magnetic piece 14 or the second magnetic piece 24 on a side portion of the auxiliary glasses 2. The simple attachment / detachment mechanism for an additional lens according to claim 4. 7. A bridge section for connecting the additional lenses 20 and 20.
7. The simple attachment / detachment mechanism for an additional lens according to claim 4, wherein the reference numeral 21 is hooked on the bridge portion 11 of the corresponding glasses 1. 8. The spectacles 1 are rimless spectacles.
8. The simple attachment / detachment mechanism for an additional lens according to any one of items 7 to 7. 9. The first magnetic piece 14 or the second magnetic piece 24 provided on the additional lenses 20 and 20 may be attached to the corresponding glasses 1
The simple attaching / detaching mechanism for an additional lens according to any one of claims 1 to 3, wherein the additional lens is attached via a support piece 24a bent toward the lens 10. 10. The first eyeglass provided on the auxiliary glasses 2.
7. The magnetic piece 14 or the second magnetic piece 24 is attached via a support piece 24a bent toward the lens 10 of the corresponding spectacles 1 according to any one of claims 4 to 6. The simple attachment / detachment mechanism of the additional lens described in (1). 11. One of the first magnetic piece 14 and the second magnetic piece 24 has the guide projection 13 and the other has the guide hole 23. ~ 8
The simple attachment / detachment mechanism of the additional lens according to any one of the above. 12. The additional lenses 20, 20 include a near focus portion 20a.
The simple attachment / detachment mechanism of the additional lens according to any one of claims 1 to 11, which is a bifocal lens having a focal length or a progressive power lens having a progressive focal region 20b. 13. The additional lens according to claim 1, wherein the additional lens is a dimming lens capable of absorbing harmful light rays or a polarizing lens that allows only light rays vibrating in a predetermined direction to pass. , Easy attachment and detachment mechanism for additional lens. 14. The additional lens 20 is a standard lens 10.
The simple attachment / detachment mechanism for an additional lens according to any one of claims 1 to 13, wherein the attachment / detachment mechanism is formed into a shape corresponding to the upper shape or the lower shape of (10).