JP3484643B2 - Multifocal glasses frame - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multifocal spectacle frame.

[0002]

2. Description of the Related Art The inventor of the present invention moves a spectacle frame up and down with a simple operation while wearing it so that the lens part to be used is almost in the center of the line of sight regardless of which lens part is used. I have already developed and have acquired the right for a special multifocal eyeglass frame. (Registered utility model No. 1878100) That is, holding pieces are attached to the insides of the left and right eyeglass frames, and the left and right legs of the slide piece having a gate shape are held by the holding pieces so that they can slide. Nose pads are attached to the lower end of each. This product is manufactured and sold by Kazuma Co., Ltd., which is the representative of the inventor of the present invention, but because it is very convenient, it continues to sell well.

[0003]

The conventional multifocal spectacle frame has been well received since its launch. In this one,
The slide piece is moved up and down, and the nose pad is also moved up and down by the same amount. By the way, when it is desired to move the nose pad up and down largely, it may be difficult to move the slide piece up and down largely depending on the spectacle frame. Even if it can move up and down a lot, doing so can result in an unfavorable design. Moving up and down greatly can be difficult to operate. The problem to be solved by the present invention is
The point is to provide a multifocal spectacle frame in which the vertical amount of the nose pad is larger than the vertical amount of the slide piece.

[0004]

In order to solve the above problems in the present invention, the first aspect of the multifocal spectacle frame according to the present invention is as follows. That is,
Guide pieces 12 attached in the up-down direction inside the left and right eyeglass frames 10 into which the multifocal lens is fitted,
Slide piece 14 which is guided by guide piece 12 and moves up and down
And a support leg 15 having a rear end attached to the slide piece 14 and rotating up and down about the rear end, and a nose pad attached to the tip of the support leg 15. The support leg 15 moves up and down and rotates. Locking means for locking the support legs 15 at two or more positions shifted in the vertical direction within the range is provided between the spectacle frame 10 side and the support leg 15 side. In the second aspect, the guide piece 12 in the first aspect is curved in a bow shape.

As a mechanism for rotatably attaching the support leg 15 to the slide piece 14, any mechanism can be adopted. However, it is preferable that the means for restricting the rotation range of the support leg 15 is provided between the support leg 15 side and the slide piece 14 side as in the third aspect. Any means can be adopted as the means. The claim 4 is as follows. That is, the guide pieces 12 attached in the up-and-down direction inside the left and right eyeglass frames 10 into which the multifocal lenses are fitted are curved in a bow shape, the slide pieces 14 that are vertically moved by being guided by the guide pieces 12, and The support leg 15 having the rear end attached thereto and the nose pad attached to the tip of the support leg 15 are provided at two or more positions in which the vertical position is shifted within the range of the vertical movement of the support leg 15. The locking means for locking the support leg 15 is provided between the spectacle frame 10 side and the support leg 15 side.

In the above, when the support legs 15 are lowered, a means for slightly twisting the support legs 15 is provided inside the left and right eyeglass frames 10 so that the nose pads move up and down substantially vertically.
It is desirable to do as in claim 5. Any means can be adopted as a slightly twisting means. Various types may be used as will be introduced later as examples. The shape and structure of the guide piece 12 and the slide piece 14 may be arbitrary. Anyway, it suffices that the slide piece 14 is guided by the guide piece 12 to move up and down.

Any locking means can be adopted. For example, a magnet may be attached to one of the support leg 15 side or the spectacle frame 10 side, and a magnetic body or a magnet may be attached to the other side so that the both attract each other. A spring may be attached to either one of the two, and the other may be fitted with a spring to serve as a locking means. Anyway, as long as the support leg 15 can be locked at a predetermined angle at a predetermined position, any one may be used. A member for connecting the left and right nose pads may be provided. When connecting, the slide pieces 14 or the nose pads may be connected. The support legs 15 may be connected to each other. Anyway, the left and right nose pads should work together.

[0008]

In the case of the first aspect, for example, in order to use in a normal state by using the distance lens portion, the slide piece 14 is raised along the guide piece 12 and further the slide piece 14 is used.
The support leg 15 is rotated upwards with respect to and is locked by the locking means at the raised position for use. The left and right eyeglass frames 10 are supported in the lowered position, and the distance lens portion is located at the approximate center of the line of sight in the distance vision. In addition, for example, when it is desired to use the near-point lens portion, the spectacle frame 10 is lifted in the worn state and the upper ends of both nose pads are lightly pressed around the brows of the eyebrows. While the support leg 15 rotates downward with respect to the slide piece 14, the slide piece 14 also descends along the guide piece 12,
It is locked by the locking means in the lowered position. When worn in this state, the near-point lens portion is approximately at the center of the line of sight for near-point viewing.

To return to the normal state in which the distance lens portion is used again, it is sufficient to push down the spectacle frame 10. The nose pad is pushed by the contact surface of the nose with which the nose pad is in contact, and the nose pad rises and is locked at the raised position. In the second aspect, the slide piece 14 moves up and down along the guide piece 12 that is curved in an arch, and the same operation as in the first aspect is performed. In the third aspect, the rotation range of the support leg 15 is restricted by the means for restricting the rotation range. Therefore, the support leg 15 is prevented from largely falling down during operation. If the slide piece 14 starts to slide after the support leg 15 has fallen down, the slide piece 14 may be caught and may not slide smoothly.

The operation of the fourth aspect is the slide piece 14
On the other hand, it is the same as that of claim 1 except that the support leg 15 does not rotate. In claim 5, the supporting leg 15
Is slightly twisted toward the inner side of the left and right eyeglass frames 10 by a slightly twisting means when descending, so that the support leg 15 moves up and down substantially vertically. According to the sixth aspect of the present invention, the magnetic force is applied when locking. According to the seventh aspect of the present invention, the left and right nose pads are interlocked during operation.

[0011]

EXAMPLE 1 Example 1 will be described with reference to FIG. Two support pieces 11 are attached to each inside of the left and right spectacle frames 10 into which the multifocal lenses are fitted, respectively, with vertical intervals, and a guide piece 12 is attached between each support piece 11. A magnet 13 is attached to each support piece 11, but each magnet 13 is formed in a shape that opens vertically in a V shape. A slide piece 14 is fitted on the guide piece 12 so that the slide piece 14 can slide up and down by the guide piece 12. The cross-sectional shapes of the outer periphery of the guide piece 12 and the hole of the slide piece 14 are not circular,
The slide piece 14 is prevented from rotating in the horizontal direction.
The rear end of the support leg 15 is attached to the slide piece 14 with a pin so that the support leg 15 can rotate up and down. A mounting seat 16 is attached to the tip of the support leg 15,
I am trying to attach a nose pad to my. A magnetic material 17 is attached to the support leg 15.

When the slide piece 14 is raised with respect to the guide piece 12 and the support leg 15 is rotated upward with respect to the slide piece 14 so that the magnetic body 17 is attracted to the upper magnet 13, the spectacle frame 10 is moved. It is in a state of being supported at the lower position. When the guide piece 12 is lowered to rotate the support leg 15 downward and the magnetic body 17 is attracted to the lower magnet 13, the eyeglass frame 10 is supported at the upper position. In the first embodiment, the support legs 15 are slidable up and down and can be rotated. Therefore, the vertical amount of the nose pad can be made larger than the vertical amount of the slide piece 14.

Second Embodiment A second embodiment will be described with reference to FIG. The second embodiment is a modification of the first embodiment. The slide piece 14 has a spherical shape, and the guide piece 12 is provided with a recess in which the slide piece 14 just fits in the vertical direction, and the slide piece 14 is fitted in the recess. Further, the guide piece 12 is provided with a slit 18 through which the support leg 15 is passed in the vertical direction, and the slit 18 allows the support leg 15 to pass through.
Is issued. The support leg 15 is made of a magnetic material. The other configurations are the same as those in the first embodiment. Since the operation of the second embodiment is clear from the description of the first embodiment and FIG. 2, the description thereof will be omitted.

Third Embodiment A third embodiment will be described with reference to FIG. The third embodiment is also a modification of the first embodiment. The second embodiment is the same as the first embodiment except that the support piece 11 is provided with a spring 19 that is open in a V shape instead of the magnet 13. Since the operation of the third embodiment is also clear from the description of the first embodiment and FIG. 3, the description thereof will be omitted.

Fourth Embodiment A fourth embodiment will be described with reference to FIG. FIG. 4 is a front view and a side view of the fourth embodiment. The fourth embodiment is also a modification of the first embodiment. The left and right slide pieces 14 are connected by the connection piece 20, and the projection 21 for restricting the rotation range of the support leg 15 is attached to the slide piece 1.
The same as Example 1 except that two are provided above and below 4. Since they are connected by the connecting piece 20, the left and right nose pads move in an interlocking manner. Therefore, it is possible to avoid operation failure and discomfort caused by the left and right nose pads operating separately. Further, the support leg 15 can rotate only within the range of the upper and lower protrusions 21. If the projection 21 is not provided, it may happen that the support leg 15 first falls during the operation and then the slide piece 14 starts to slide. If such an operation is performed, the slide piece 14 may be caught and may not slide smoothly. This is not the case with the fourth embodiment.

Fifth Embodiment A fifth embodiment will be described with reference to FIGS. Eyeglass frame 1
Support pieces 11 are attached above and below 0, and guide pieces 12 having a circular cross section are attached between the support pieces 11. A rib 22 is provided on the surface of the guide piece 12 in the longitudinal direction. The ribs 22 are slightly twisted so as to move toward the inside of the left and right eyeglass frames 10 as they go downward. The slide piece 14 has a guide piece 12. The slide piece 14 is attached to the guide piece 12 with a hole into which the rib 22 just fits is formed and the guide piece 12 and the rib 22 are fitted in the hole. Further, the magnets 13 are attached to the support legs 15, and the magnetic bodies 17 are attached to both the support pieces 11.

The inner portions of the pair of left and right spectacle frames 10 are generally in the shape of a V on the left and right, and the lower part is usually slightly open. Therefore, when the guide pieces 12 are attached to the inner portions of the respective eyeglass frames 10 along them, the one in which the nose pads are lowered together with the support legs 15 is compared with the one in which the nose pads are raised together with the support legs 15. However, the space between both nose pads is widened. In such a structure, the vertical amount of the spectacle frame 10 becomes small. In the fifth embodiment, when the support leg 15 is moved up and down, the support leg 15 is twisted. Therefore, as shown in FIG. 6, when the support leg 15 moves up and down, the nose pad 23 moves up and down substantially vertically. Therefore, the spectacle frame 10 can be moved up and down by substantially the same amount as the vertical amount of the tip of the support leg 15.

Sixth Embodiment A sixth embodiment will be described with reference to FIG. In the sixth embodiment, the guide piece 12 has an elliptical cross section and is slightly twisted in the vertical direction. The hole of the slide piece 14 also has a circular cross section into which the guide piece 12 fits. Other configurations are the same as those in the fifth embodiment. Since the operation of the sixth embodiment is clear from the description of the fifth embodiment and FIG. 7, the description thereof will be omitted.

Seventh Embodiment A seventh embodiment will be described with reference to FIG. A guide piece 12 having a circular cross section is attached along the eyeglass frame 10, and the guide piece 12 is covered with a cover piece 24. Although the slit 25 is provided in the cover piece 24 in the up-down direction, the slit 25 is not parallel to the guide piece 12 but is provided so that the lower part thereof faces slightly inward with respect to the left and right eyeglass frames 10. And the guide piece 1
A support leg 15 having a rear end rotatably attached to a slide piece 14 fitted in 2 is extended from a slit 25. When the slide piece 14 descends along the guide piece 12, the support leg 15 is twisted by the slit 25.

Example 8 Example 8 will be described with reference to FIG. In the eighth embodiment, in the fifth embodiment, the guide piece 12 is curved in an arched shape, and the support leg 15 and the slide piece 14 are integrated so that the support leg 15 cannot rotate with respect to the slide piece 14. Equivalent to. The other structure is the same as that of the fifth embodiment. When the slide 14 is moved up and down along the guide piece 12 that is curved like an arch, the support legs 15 are slightly rotated up and down. Therefore, the nose pad 23 attached to the tip of the support leg 15 moves up and down slightly larger than the vertical amount of the slide piece 14.

Ninth Embodiment A ninth embodiment will be described with reference to FIG. The ninth embodiment is a modification of the sixth embodiment. Curve the guide piece 12 into a bow,
The sixth embodiment is the same as the sixth embodiment except that the support leg 15 cannot be rotated with respect to the slide piece 14. Since the operation of the ninth embodiment is clear from the above description, the description is omitted.

Tenth Embodiment A tenth embodiment will be described with reference to FIG. The tenth embodiment is a modification of the seventh embodiment. The seventh embodiment is the same as the seventh embodiment except that the guide piece 12 is curved like an arch and the support leg 15 cannot be rotated with respect to the slide piece 14. Since the operation of the tenth embodiment is also apparent from the above description, the description will be omitted.

Eleventh Embodiment An eleventh embodiment will be described with reference to FIG. A spherical recess is provided in a mounting piece 26 to which the nose pad 23 is mounted, and a ball 27 is fitted in the recess. The ball 27 has a hole 28. A hole 29 is also formed in the mounting seat 16. Attach the mounting piece 26 to the mounting seat 16 and the hole 29 of the mounting seat 16 and the hole 2 of the ball 27.
8 and the screw 29 is screwed into the holes 29 and 28 to attach the ball 27 to the mounting seat 16. The mounting piece 26 is a ball 27
Can be rotated in all directions around. The mechanism of Example 11 is used when it is desired that the nose pad 23 be rotatable in all directions.

[0024]

In the multifocal spectacle frame according to the present invention, the vertical amount of the nose pad can be made larger than the vertical amount of the slide piece 14. According to the third aspect of the present invention, means for restricting the rotation range of the support leg 15 is provided. Without this means, the slide piece 14 may start to slide after the support leg 15 first falls down during operation. When such an operation is performed, the slide piece 14
May get caught and will not slide smoothly. This is not the case with the third aspect. According to the fifth aspect of the present invention, the left and right nose pads move up and down while keeping substantially equal intervals. Therefore, it is possible to avoid the inconvenience that the vertical amount of the spectacle frame 10 is reduced by opening both nose pads below. According to the sixth aspect of the present invention, the magnetic force is used for the attraction. Therefore, when approaching the locking position, the support leg 15 is rapidly sucked and locked by its suction force. With this,
The wearer can feel that it is firmly locked in the locked position. According to the seventh aspect, the left and right nose pads are interlocked. It is possible to avoid operation failure and discomfort caused by the left and right nose pads moving apart.

[Brief description of drawings]

FIG. 1 is a front view showing a first embodiment.

FIG. 2 is a perspective view showing a second embodiment.

FIG. 3 is a perspective view showing a third embodiment.

FIG. 4 is a front view and a side view showing a fourth embodiment.

FIG. 5 is a perspective view showing a fifth embodiment.

FIG. 6 is a front view conceptually showing the operation of the fifth embodiment.

FIG. 7 is a perspective view showing a sixth embodiment.

FIG. 8 is a perspective view showing a seventh embodiment.

FIG. 9 is a perspective view showing an eighth embodiment.

FIG. 10 is a perspective view showing a ninth embodiment.

FIG. 11 is a perspective view showing a tenth embodiment.

FIG. 12 is a partial cross-sectional exploded perspective view showing an eleventh embodiment.

[Explanation of symbols] 10 eyeglass frame 12 guide piece 13 magnet 14 slide piece 15 support leg 17 magnetic body 20 connecting piece 21 protrusion 23 nose pad

Claims (7)

(57) [Claims] 1. A guide piece (12) vertically mounted inside each of left and right eyeglass frames (10) into which a multifocal lens is fitted, and a slide piece (up and down) guided by the guide piece (12). 14) and a slide piece (14)
A support leg (15) having a rear end attached thereto and pivoting up and down about the rear end, and a nose pad attached to the tip of the support leg (15) are provided, and the support leg (15) moves up and down and rotates. Locking means for locking the support legs (15) at two or more positions displaced in the vertical direction within the range of motion is provided between the spectacle frame (10) side and the support leg (15) side. Multifocal eyeglass frame. 2. The multifocal spectacle frame according to claim 1, wherein the guide piece (12) is curved in a bow shape. 3. A support leg (15) side and a slide piece (14).
The multifocal spectacle frame according to claim 1 or 2, further comprising means for restricting a rotation range of the support leg (15) between the spectacle frame and the side. 4. A guide piece (12) which is attached in the up-down direction inside each of left and right eyeglass frames (10) into which a multifocal lens is fitted and which is curved in a bow, and a guide piece (1).
2) A slide piece (14) that moves up and down under the guidance of a supporting leg (1) having a rear end attached to the slide piece (14).
5) and a nose pad attached to the tip of the support leg (15), and the support leg (2) is provided at two or more positions that are vertically displaced within the range of vertical movement of the support leg (15). 1
A multifocal spectacle frame in which locking means for locking 5) is provided between the spectacle frame (10) side and the support leg (15) side. 5. A means for slightly twisting the support legs (15) toward the inner side of the left and right eyeglass frames (10) when the support legs (15) are lowered, and the nose pads are vertically raised and lowered. The multifocal spectacle frame according to any one of claims 1 to 4. 6. The multifocal spectacle frame according to claim 1, wherein the locking means uses a magnet and a magnetic body or an attraction force between the magnets. 7. The multifocal spectacle frame according to claim 1, further comprising a member that connects the left and right nose pads.