JPH07294857A - Nose pad member for multifocal spectacles frame - Google Patents

Abstract

PURPOSE:To offer the multifocal spectacles frame, whose nose pads are moved up and down on the spectacles frame, at a low price. CONSTITUTION:A through hole 15 is bored in a fitting piece 16 provided with a projection piece 18 which gets into a fitting seat 22 fitted inside an existent spectacles frame, and a rod type guide 12 is run through the through hole 15. The lower end of the guide 12 is fixed to a nose pad 10 and a spring 20 is fitted between the fitting piece 16 and nose pad 10. The figure shows a long- sight view state wherein the nose pad 10 is elevated to the fitting piece 16, but the step part 13 of the guide 12 is engaged abutting on the upper end of the fitting piece 16. When the fitting piece is disengaged, the guide 12 and nose pad 10 move down by being pressed by the spring 20 and the expansion part 14 at the upper end of the guide 12 stops on abutting on the upper end of the fitting piece 16, so that a short-sight view state is entered.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a nose pad member for a multifocal eyeglass frame which can be attached to each inner side of left and right eyeglass frames to form a multifocal eyeglass 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. Has already developed and has acquired the right for a multi-focus 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 stone legs of the gate-shaped sliding pieces are slidably held by the holding pieces, respectively, and The nose pads are attached to the lower ends of the legs. This product is manufactured by Kazuma Co., Ltd., whose representative is the inventor of the present invention.
Although it is sold, it is very convenient and continues to sell well.

[0003]

The conventional multifocal spectacle frame has been well received since its release, but it has the drawback of being slightly expensive. This is because the entire eyeglass frame is purposely manufactured for this purpose without using the ready-made eyeglass frame. The problem to be solved by the present invention is to provide a multifocal spectacle frame that can be manufactured at a lower cost than the conventional one by using as many ready-made spectacle frames as possible.

[0004]

The above problems have been solved in the present invention, but the nose pad member for a multifocal spectacle frame according to the present invention is as follows. That is, the mounting piece 16 provided with mounting means for mounting inside each of the left and right eyeglass frames.
And a nose pad 10 attached so as to be vertically movable with respect to the mounting piece 16 through a guide means for guiding the vertical movement, and the nose pad is provided between the nose pad 10 side and the mounting piece 16 side. Locking means for locking the nose pad 10 at two or more positions where the vertical position of 10 is shifted is provided. A vertical guide hole may be formed in the mounting piece 16, a bar-shaped guide 12 may be mounted on the nose pad 10 side in the vertical direction, and the guide 12 may be inserted into the through hole 15 to serve as the guide means. Various other means can be adopted as the guide means. Any type of guide may be used as long as it guides the nose pad 10 so that it can move vertically with respect to the mounting piece 16.

Various means can be adopted as the locking means. For example, the enlarged portion 14 and the stepped portion 13 are provided at the upper end and the intermediate portion of the rod-shaped guide 12, respectively, and the mounting piece 1
The guide 12 may be inserted into the through hole 15 formed in the vertical direction 6 and the guide 12 side may be biased downward by the spring 20. Further, the ball 27 is housed in the nose pad 10 side, and the ball 27 is pushed by the spring 28 toward the mounting piece 16 side. The mounting piece 16 side is provided with a recess 25 into which the tip of the ball 27 fits, and also as a locking means. Good. Conversely, the ball 27 pressed by the spring 28 may be housed on the mounting piece 16 side, and the recess 25 may be provided on the nose pad 10 side. Also, a spring 3 is provided on the nose pad 10 side.
Alternatively, one end of 2 may be attached and the other end may be pushed toward the attachment piece 16 side, and a recess 25 into which the other end of the spring 32 fits may be provided on the attachment piece 16 side to serve as a locking means. Similarly, conversely, attach one end of the spring 32 to the mounting piece 16 side, and make a recess 2 on the nose pad 10 side.
5 may be provided. Alternatively, the leaf spring 34 having the curved portion 35 protruding toward the mounting piece 16 may be attached to the nose pad 10 side, and the recess 36 into which the curved portion 35 fits may be provided on the mounting piece 16 side to serve as the locking means. Conversely, the leaf spring 34 may be attached to the attachment piece 16 side, and the recess 36 may be provided on the nose pad 10 side. Various other means can be adopted as the locking means. Anyway, nose pad 10 side and mounting piece 1
If the nose pad 10 can be locked between the 6 side,
It can be anything. The locking means is usually provided at two positions which are vertically displaced from each other between the nose pad 10 side and the mounting piece 16 side, but may be provided at three or more places. Good. The attachment means to be attached to the inside of the eyeglass frame may be attached to the attachment seats 22 already attached to the inside of each of the ready-made eyeglass frames, or as an original one without using the ready-made one. Good.

[0006]

The nose pad member for a multifocal spectacle frame according to the present invention,
It is used by being attached to each inside of the left and right eyeglass frames in which the multifocal lens is fitted through attaching means. Then, for example, in order to use in a normal state by using the distance lens portion, the nose pad 10 is raised with respect to the mounting piece 16 and locked by the locking means at the raised position for use. At this time, the left and right spectacle frames are supported in the lowered position, and the distance lens portion is located substantially at the center of the line of sight in the distance vision. Further, for example, when it is desired to use the near-point lens portion, the spectacle frame is lifted in the worn state and the upper ends of the nose pads 10 are lightly pressed around the brows of the eyebrows. The nose pad 10 descends with respect to the mounting piece 16 and 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 unit is used again, it is only necessary to push down the spectacle frame. The nose pad 10 is pushed by the contact surface of the nose with which the nose pad 10 is in contact, and the nose pad 10 rises and is locked at the raised position.

[0007]

Embodiment 1 Embodiment 1 will be described with reference to FIGS. 1 and 2. 1 and 2 are partial cross-sectional views for explaining the operation of the first embodiment. 1 and 2, reference numeral 10 indicates a nose pad. A seat 11 is formed by slightly inclining to a position below the inside of the nose pad 10, and a rod-shaped guide 12 is attached to the seat 11 in a slightly upward and downward direction. The lower half portion of the guide 12 has a small diameter, and a step portion 13 is formed in the central portion so as to project downward, and the upper portion of the step portion 13 is formed to have a large diameter. Guide 1
An enlarged portion 14 is formed at the upper end of 2. Then, a mounting piece 16 in which a through hole 15 having a size to which the large diameter portion of the guide 12 fits is prepared in the center, and the guide 12 is passed through the through hole 15, so that the mounting piece 16 is mounted on the outer periphery of the guide 12. 16 are arranged. The guide 1 is attached to the upper end of the mounting piece 16.
The second step portion 13 is provided with a recess 17 into which the step portion 13 is fitted, and a projecting piece 18 is provided on the side opposite to the recess 17. A hole 19 is formed in the protruding piece 18. A spring 20 is fitted between the seat 11 of the nose pad 10 and the mounting piece 16. Reference numeral 21 denotes a support leg attached to the inside of the spectacle frame, and an attachment seat 22 is attached to the tip of the support leg 21. The mounting seat 22 has a box shape, and has a hole 23 that is aligned with the hole 19 of the mounting piece 16. The support leg 21 and the mounting seat 22 are very common, ready-made components attached to the eyeglass frame.

That is, the first embodiment can be used by being attached to a ready-made eyeglass frame. First, the projection piece 18 of the mounting piece 16 is inserted into the mounting seat 22, the holes 19 and 23 are aligned, and the mounting piece 16 is mounted to the mounting seat 22 by inserting the screw 24 into the holes 19 and 23. Attach to the left and right eyeglass frames in the same way. Then, it is normally used in the far vision state shown in FIG. In this state, the spring 20 is pressed and contracted to raise the guide 12 with respect to the mounting piece 16, and the step portion 13 of the guide 12 is fitted into the recess 17 of the mounting piece 16 and is prevented from descending. The nose pad 10 is held in the raised position, while the spectacle frame is held in the lowered position. Next,
In order to obtain a near-sighted state, the spectacle frame is slightly pushed down toward the contact surface of the nose on which the nose pad 10 is in contact. Guide 1
The second step 13 is disengaged from the recess 17 of the mounting piece 16 and is pushed by the spring 20 to lower the nose pad 10 together with the guide 12. Then, when the enlarged portion 14 of the guide 12 hits the upper edge of the attachment piece 16, the guide 12 is stopped, and the state shown in FIG. 2 is obtained.
When worn in this state, the eyeglass frame is in a near-sighted state in which the frame is lifted. Nose pad 1 to return to the far vision state
Push down the spectacle frame toward the contact surface of the nose where 0 is hit. The nose pad 10 rises together with the guide 12 while compressing the spring 20, and when the stepped portion 13 of the guide 12 fits into the recess 17 of the mounting piece 16 and the pushing down of the spectacle frame is stopped, the state shown in FIG. 1 is restored. .

Second Embodiment A second embodiment will be described with reference to FIG. In the second embodiment, hemispherical depressions 25 are provided in the upper and lower portions of the guide 12, respectively, and through holes 26 are formed in the mounting piece 16 at positions corresponding to the depressions 25, and the balls 27 are inserted into the through holes 26. It is housed. A spring 28 is attached to the outside of the through hole 26, and the ball 27 is pressed by the lower end portion of the spring 28. The other structure is almost the same as that of the first embodiment. When the ball 27 is fitted in the lower depression 25 of the guide 12, it is in a distance vision state, and when it is fitted in the upper depression 25, it is in a near vision state.

Third Embodiment A third embodiment will be described with reference to FIG. FIG. 4 is a horizontal sectional view, a vertical sectional view and a side view showing the third embodiment. Nose pad 10
The holes 12 are formed on the upper and lower sides of the guide 12, and the small diameter portions 30 formed on the upper and lower sides of the guide 12 are inserted into the holes 29, whereby the guide 12 is attached to the nose pad 10. The guide 12 is provided with a guide groove 31 in the longitudinal direction,
Hemispherical depressions 25 are provided at the upper and lower ends of the guide groove 31, respectively. Further, although an L-shaped mounting piece 16 is prepared, a through hole 15 having a size to fit the guide 12 is formed in a lower portion of the mounting piece 16 and the through hole 1 is formed.
The guide 12 is attached so that the guide 12 can be slid with respect to the attachment piece 16 while the guide 12 is passed through. Then, a hole is made in the upper portion of the mounting piece 16, and the spring 3 is inserted in the hole.
The upper end of 2 is bent and inserted, and the lower end of the spring 32 is rolled into a ring shape so as to fit in the recess 25 of the guide 12. Further, a long and slender guide plate 33 is attached to the nose pad 10 at a position where one surface of the attachment piece 16 abuts. A projecting piece 18 bent in an L shape is provided at the upper end of the mounting piece 16, and a hole 19 is formed in the projecting piece 18. FIG. 4 shows a state of distance vision, in which the nose pad 10 is a mounting piece 1
6, the lower end portion of the spring 32 is locked in the lower recess 25. In order to achieve the near-sighted state, the eyeglass frame is lifted and the nose pad 10 is pressed around the hairline of the eyebrows. The nose pad 10 etc. descends and the spring 3
The lower end of 2 is locked when it fits into the upper recess 25.

Fourth Embodiment A fourth embodiment will be described with reference to FIG. The fourth embodiment is a modification of the third embodiment. The third embodiment is the same as that of the third embodiment except that the guide groove 31 provided in the guide 12 is inclined so as to be shallower upward and gradually deeper downward. Example 4
However, even if a strong force is required to lower the nose pad 10 with respect to the mounting piece 16, a weak force is required to raise it. This makes it easier to operate.

Fifth Embodiment A fifth embodiment will be described with reference to FIG. The fifth embodiment is also a modification of the third embodiment. The guide 12 is not provided with the guide groove 31, but is provided only with the depressions 25 at the top and bottom respectively. Also,
The spring 32 is not provided, and the mounting piece 16 is provided with a hole 26 and a hole 2 is formed.
A spring 28 is housed in the inside of 6, and a ball 27 is housed at the tip of the spring 28. Since the operation of this one is apparent from FIG. 6 and the above description, the description thereof will be omitted.

Sixth Embodiment A sixth embodiment will be described with reference to FIG. The sixth embodiment is also a modification of the third embodiment. A leaf spring 34 is arranged in the longitudinal direction of the guide 12 and its center is fixed, and curved portions 35 projecting outward in a semicircular shape are formed at the upper end and the lower end of the leaf spring 34, respectively. The mounting piece 16 is provided with a recess 36 into which the curved portion 35 just fits. The operation of the sixth embodiment is also shown in FIG.
And, since it is clear from the above description, the description is omitted.

[0014]

When the nose pad member for a multifocal eyeglass frame according to the present invention is attached to the eyeglass frame and used, the multifocal eyeglass frame is easy and convenient to operate. By using this nose pad member, the multifocal spectacle frame can be provided at low cost. This is because, in many cases, the mounting seats 22 that are already mounted inside each of the ready-made eyeglass frames can be used for mounting by the mounting means. Ready-made mounting seat 22
Even if it cannot be used or is not used, it suffices if the mounting means is slightly modified. That is, it is possible to maximize the use of ready-made spectacle frames without specially manufacturing the spectacle frames as a whole, so that the spectacle frame can be finished at low cost. Further, it is possible to share all or many components on the left and right, but if they are shared, it is possible to achieve cost savings equivalent to the shared component. Furthermore, the more shared parts, the easier the management. It is also advantageous in terms of after-sales service in case of failure.

[Brief description of drawings]

FIG. 1 is a partial cross-sectional view showing the operation of the first embodiment.

FIG. 2 is a partial cross-sectional view showing the operation of the first embodiment.

FIG. 3 is a partial cross-sectional view showing a second embodiment.

4A and 4B are a horizontal sectional view, a vertical sectional view and a side view showing a third embodiment.

FIG. 5 is a cross-sectional view showing a fourth embodiment.

FIG. 6 is a partial cross-sectional view showing a fifth embodiment.

FIG. 7 is a partial cross-sectional view showing a sixth embodiment.

[Explanation of symbols]

10 Nose pad 12 Guide 13 Step 14
Enlarged portion 15 Through hole 16 Mounting piece 20 Spring 22
Mounting seat 25 Recess 27 Ball 28 Spring 32
Spring 34 Leaf spring 35 Curved portion 36 Recess

Claims (7)

[Claims] 1. A mounting piece (16) having mounting means for mounting inside each of the left and right eyeglass frames, and a vertical movement relative to the mounting piece (16) via a guide means for guiding the vertical movement. The nose pad (10) attached to the nose pad (10), and the nose pad (10) side and the attachment piece (16) side, the vertical position of the nose pad (10) is shifted at two or more positions. A nose pad member for a multifocal spectacle frame provided with a locking means for locking the nose pad (10). 2. The guide means comprises a rod-shaped guide (12) vertically attached to the nose pad (10) in which a vertical through hole (15) is formed in the attachment piece (16). The nose pad member for a multifocal spectacle frame according to claim 1, which is formed by being inserted into (15). 3. The engagement means is provided with an enlarged portion (14) and a stepped portion (13) at an upper end and an intermediate portion of the guide (12), and a guide (12) side is downward by a spring (20). It is formed by being urged.
The nose pad member for a multifocal eyeglass frame according to. 4. The ball (27), wherein the locking means is housed in one side of both the nose pad (10) and the mounting piece (16) and is pushed to the other side of the two by a spring (28), Ball (2
The nose pad member for a multifocal spectacle frame according to claim 1 or 2, wherein a recess (25) having a tip end of 7) is formed on the other side of both. 5. The spring (32), wherein the locking means has one end attached to one side of both the nose pad (10) and the attachment piece (16) and the other end pressed to the other side of the two. (3
The nose pad member for a multifocal spectacle frame according to claim 1 or 2, wherein a recess (25) into which the other end of 2) is formed is provided on the other side of both. 6. A leaf spring (34) in which the locking means is attached to one side of both the nose pad (10) and the attachment piece (16) and has a curved portion (35) protruding toward the other side. When,
The nose pad member for a multifocal spectacle frame according to claim 1 or 2, wherein the curved portion (35) is formed by forming a recess (36) on the other side of the both. 7. The mounting means according to claim 1, wherein the mounting means is adapted to be mounted on a mounting seat (22) already mounted inside each of the ready-made eyeglass frames. The nose pad member for a multifocal spectacle frame described.