JP2000275583A - Spectacle frame - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable the easy exchange of right and left temple bodies of a spectacle frame. SOLUTION: Respective engaging projecting parts 7a and 7b which are disposed in a vertically divided state at both ends in the lateral direction of a frame body F1 are expanded and light and left lenses are mounted in respective upper and lower lens mounting parts, by which the lenses are held. The respective engaging projecting parts 7a and 7b are inserted in a joined state to pair of pressing parts 16a and 16b of pressing springs B1 elastically loaded in engaging projection holding parts 13 constituting a pair of the temple bodies T, by which the engaging projecting parts are engaged and held to the pressing springs B1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to an eyeglass wearer,
The present invention relates to an eyeglass frame capable of exchanging a lens or a pair of vines by itself.

[0002]

2. Description of the Related Art A conventional eyeglass frame will be described.
As shown in FIG. 12, a conventional ordinary eyeglass frame separates joint portions 52 at both ends in the left-right direction of a flexible frame body 51, and
The left and right lenses 1 are fitted to each other, and the joint portion 52 is fixed with screws 53. FIG.
Are referred to as "rimless glasses", insertion holes are provided at both ends of the left and right lenses 1, and the left and right lenses 1 are connected by a bridge 54, and a vine body (not shown) The connecting portion 55 between the lens 1 and the
It is to be attached to. FIG. 14 shows an example other than the above. This is a form in which the left and right lenses 1 are fitted into the frame main body 56, and the vines 57 are fixed to both ends in the left and right direction.

In each of the above-mentioned eyeglass frames, only one type of lens is mounted on the frame body, and it is not assumed that the lens 1 is replaced. It is extremely difficult to replace. For this reason, for example, it is extremely difficult to replace the transparent lens mounted on the frame body with a colored lens and use it as sunglasses.

In order to allow the wearer to exchange the left and right lenses 1 by himself, as shown in FIG. 15, the left and right ends of a flexible frame body 58 are vertically separated. The compression spring 59 is elastically mounted between them. The left and right lenses 1 attached to the frame body 58 are held by the elastic restoring force of the compression spring 59. When replacing the left and right lenses 1,
The left and right lenses 1 are exchanged by expanding the both end portions against the elastic restoring force of the compression spring 59. But in this case,
Since the compression spring 59 has a small diameter, the elastic restoring force is weak, and there is a problem that the left and right lenses 1 are easily detached.

Further, in the conventional eyeglass frame, the frame body and the pair of vines are integrally formed, and it is extremely difficult for the wearer of the eyeglasses to replace any of the frames with another design. . Thus, for example, if only the vine is damaged, the entire eyeglass frame must be replaced.

[0006]

SUMMARY OF THE INVENTION In view of the above-mentioned problems, the present invention enables a wearer of glasses to easily exchange lenses by himself and separates a frame body from a pair of vines. And make them exchangeable.

[0007]

According to the present invention, there is provided a frame body having at least right and left ends vertically divided into two parts so that left and right lenses are interchangeably mounted. What is claimed is: 1. An eyeglass frame comprising a pair of vines detachably attached to both left and right ends of a frame main body, wherein each engagement projection protrudes from each of the left and right ends of the frame main body. And a pressing spring mounted on the base end portions of the pair of vines, for pressing and holding the pressed portions of the respective engagement protrusions inserted through the vines in a combined state. It is characterized by having.

[0008] Divided portions are formed at both ends in the left-right direction of the frame body, and each of the divided portions is provided with an engaging projection. The left and right lenses are mounted on the frame main body by expanding the respective engagement protrusions in the vertical direction. In this state, the upper and lower engaging projections are united. When each engagement projection is provided with a slip stopper, the lens is prevented from shifting in the front-rear direction. Then, the upper and lower engaging projections are inserted and passed through the pair of vines, and the pressed portions are pressed and held by the elastic restoring force of the pressing spring. In this state,
Since the frame main body and the pair of vines are arranged so as to be wearable as eyeglasses, they can be worn as they are. When the engaging projections provided on the left and right ends of the frame body are provided with retaining portions, each of the engaging projections and the pair of vines are placed in a retaining state so that the user wears them. There is no separation between them. In this way, the spectacle wearer mounts the left and right lenses on the frame body by himself and combines the respective engagement protrusions projecting from both ends thereof,
It is only necessary to attach the pair of vines to the proximal ends, and the operation is extremely simple. Also, since the frame body and the vine body can be separated, the same frame body
Different vines can be attached.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in more detail by way of examples. FIG. 1 shows an eyeglass frame A according to the present invention.
Perspective view, FIG. 2 is a frame body F ₁ of the first embodiment, a front view of a separated state and a pair of temples body T, FIG. 3 is a frame body F each lens attachment portion 5a of the upper and lower in the _1, 5b of FIG. 4 is a front view showing a state in which the upper and lower engaging protrusions 7 are expanded.
a, in a state where 7b are brought together, a front cross-sectional view of the engaged state by the pressing spring B _1, FIG. 5 is sectional view taken along line X-X in FIG. 4, FIG. 6
Is a perspective view of a separated state between the pressing spring B ₁ frame body F ₁ and vines body T. As shown in FIGS. 1 and 2, the spectacle frame A according to the present invention includes left and right lenses 1.
A frame body F ₁ for holding by mounting the, at both ends in the horizontal direction of the frame body F _1, and a pair of vine body T mounted in the detachable. The vine portions 2a and 2b constituting each vine T are made of a thin flat plate and are divided into two parts. And the front side vine 2a
There is provided a hinge portion 3 for connecting the rear vine portion 2b to the rear vine portion 2b. A hinge pin 3a is attached to the hinge portion 3 in a vertical direction, so that the front vine portion 2a and the rear vine portion 2b can be relatively rotated. For this reason, the rear side vine part 2b can be folded inward. Also, the rear end of the rear vine portion 2b is bent downward to form an earpiece 2c.

First, referring to FIGS. 3 to 5,
The frame body F ₁ of the first embodiment will be described. The frame body F ₁ of the present embodiment is made of a metal material having elasticity, its both end portions is divided in the vertical direction, the divided portions 4 are formed. Upper and lower lens mounting portions 5a and 5b for mounting the left and right lenses 1 are connected by a bridge 6. The upper and lower lens mounting portions 5a and 5b can be expanded in the vertical direction or the front and rear direction with the bridge 6 as a fulcrum. By doing so, the left and right lenses 1 can be mounted on the upper and lower lens mounting portions 5a, 5b. Upper and lower lens mounting parts 5a, 5b
Has a substantially U-shape corresponding to the shape of the upper edge 1a and the lower edge 1b of the lens 1 to be mounted. Engagement projections 7a, 7b are provided at both ends in the left-right direction of the upper and lower lens mounting portions 5a, 5b, respectively.

Furthermore, the upper and lower engaging projections 7a, 7b
And a part that has moved toward the center by a predetermined distance from both ends.
The retaining parts 8a, 8
b is provided. The retaining portions 8a and 8b of this embodiment are
As shown in FIG. 6, each of the engaging projections has a semi-cylindrical shape.
7a, 7b are provided horizontally in a direction orthogonal to the longitudinal direction.
Have been. In each of the engagement projections 7a and 7b,
a, 8b (frame body F₁Left and right
Part from the center portion) is a pressing spring B to be described later. ₁Elasticity
The pressed portions 9a and 9b to be pressed by the restoring force are formed.
ing. Corners at the upper and lower engaging projections 7a, 7b
The curved portion is subjected to a curved surface processing.

When the upper and lower engaging projections 7a and 7b are combined, the engaging projections 7a and 7b are combined in a state where they are prevented from slipping. Next, the configuration will be described. FIG.
As shown in FIG. 5, a semi-cylindrical slip prevention projection 11 is provided on the upper surface of the lower engagement projection 7b.
It is provided along the lateral direction of the frame body F _1.
In the upper engaging projection 7a, a portion opposed to the slip preventing projection 11 is provided with the slip preventing projection 1
A protrusion fitting groove 12 into which the first member 1 is fitted is provided. When the upper and lower engaging projections 7a and 7b are united, the slip preventing projection 11 provided on the lower engaging projection 7b.
Is fitted into each of the protrusion fitting grooves 12 provided on the upper engaging protrusion 7a, so that each of the lens mounting portions 5a and 5b is fitted.
Is prevented from shifting in the front-rear direction. For this reason, there is no possibility that the left and right lenses 1 may come off due to vibration or the like.

Next, each vine T will be described. FIG.
As shown in FIG. 6 and FIG. 6, the lower edge of the front vine portion 2a constituting the vine body T is gently inclined, and the height at the front end is higher than the height at the rear end. . An engaging projection holding portion 13 is fixed to an outer surface of the front vine portion 2a in the left-right direction (thickness direction). The side surface shape of the engagement protrusion holding portion 13 is substantially the same as the side surface shape of the front vine portion 2a. As shown in FIGS. 4 and 6, an insertion hole 14 for inserting the upper and lower engagement projections 7a and 7b in a combined state is provided at the front of the front vine portion 2a. As shown in FIG. 4, the insertion hole 14 has a stepped state inside the front vine portion 2a. An engagement recess 15 is provided inside the engagement protrusion holding portion 13 at substantially the same position as the insertion hole 14. The size of the insertion hole 14 is smaller than the size of the engagement recess 15.

A pressing spring B ₁ is mounted in the engaging recess 15. Next, a description will be given the pressing spring B _1.
The pressing spring B ₁ represents a thin leaf spring, in which bent into a substantially C-shape. Both end portions are further bent inwardly in an arc shape, and a pair of pressing portions 16a and 16b are formed in the portions so as to face each other. The height of the pressing spring B ₁ in the free state is slightly higher than the inner height of the engaging recess 15. Therefore, as shown in FIG. 7, push pressure spring B ₁ represents mounted by engaging recesses 15 elastically contact state. Moreover, the pair of pressing portions 16a of the pressing pressure spring B _1, 16b
Is located on the side of the insertion hole 14 of the front temple part 2a. In a state where the pressing spring B ₁ is elastically mounted on the engagement recess 15,
A pair of pressing portions 16a, 16b if gaps e ₁ of to the respective engaging projections 7a of the upper and lower in the combined state, 7b of the height H
_Less than _one . As described above, the engagement protrusion holding portion 13
Pressure springs B ₁ in the engagement recess 15 of the elastically and is fixed to the front crane part 2a. Insertion holes 14 of the front vine portion 2a is smaller than the engaging recess 15, it will not come out push pressure spring B _1.

The operation of the spectacle frame A according to the present invention will be described. As shown in FIG. 3, the frame body F ₁
The upper and lower lens mounting portions 5a and 5b are expanded, and they are united with the left and right lenses 1 mounted between them. Subsequently, as shown in FIG. 6, the frame body F ₁
Are made to face each other in a state where the height direction is substantially orthogonal to the front-back direction of the vine body T. Then, the engaging projections 7a, while coalescing 7b, via the insertion hole 14 of the front vine portion 2a, a pair of pressing portions 16a of the pressing spring B _1, is inserted between the 16b.

As shown in FIG. 8, each of the engaging projections 7a,
7b, a pair of pressing portions 16a of the pressing spring B _1, 16
It is inserted while expanding part b. Further, each of the engaging projections 7a, 7b is pushed in, and a pair of pressing portions 16a, 16b is pressed.
, The pair of pressing portions 16a and 16b
As shown in FIG. 4, the respective pressed portions 9a, 9b of the respective engaging protrusions 7a, 7b are pressed by the elastic restoring force. As described above, the pressed portion 9 of each of the engagement protrusions 7a, 7b
a, the 9b, since the elastic restoring force of the pressing spring B ₁ in the vertical direction is applied, the engaging projections 7a of the united state, 7
b is, are engaged with and held by the pressing spring B _1, it does not rotate around their axis. Moreover, the pair of pressing portions 16a, by 16b, the retaining portion 8a, 8b has been pressed substantially along the respective engaging projections 7a, 7b in the longitudinal direction (lateral direction of the frame body F _1). Therefore, the engaging projections 7a and 7b do not fall out of the vine T. In this state, the frame body F ₁ and a pair of temples body T is disposed wearable state as glasses.

Replace the left and right lenses 1 with different lenses 1
If so, perform the opposite operation. That is, wearing glasses
Is the frame body F₁Of the engaging projections 7a and 7b
Pull out from the vine T while keeping it. In other words,
The stoppers 8a, 8b are ₁Against the elastic restoring force of
While expanding the pair of pressing portions 16a and 16b in the vertical direction,
Pulled out. In this manner, the pair of vine bodies T and the frame
Arm body F₁And are separated. Then, the upper and lower engaging projections
The raised portions 7a and 7b are expanded, and the left and right lenses 1 are removed.
A new lens 1 is attached, and a pair of vines T
It only needs to be inserted through. Its operation is extremely easy
You. Also, when exchanging the left and right lenses, special tools
Not required. To replace transparent lenses with colored lenses
Therefore, the same glasses frame A can be used as sunglasses
It is possible. And the spectacle frame A according to the present invention,
Frame body F₁And a pair of vines T
It is possible to exchange only a pair of vines T
Noh.

Next, an eyeglass frame according to a second embodiment will be described with reference to FIGS. Pressing spring B ₂ mounted on a pair of vine body T constituting the eyeglass frame of this embodiment, a leaf spring, it is in a form bent in a substantially U shape. Then, as shown in FIG. 9, it is elastically mounted on the engagement concave portion 18 provided inside the engagement protrusion holding portion 17 in an inverted state. The bottom portion of the engagement projection holding section 17, the attachment hole 17a for attaching the pressing spring B ₂ are provided.
Further, the engaging projections 19a of the upper and lower frame body F _2, 1
9b, on the bottom surface of the lower engagement projection 19b,
A retaining groove 21 is formed. This retaining groove 21 is
Be provided in the longitudinal direction of the frame body F _2, each engaging protrusion 19a which is united, 19b is, when inserted through the vine body T, the pressing portion 2 formed on the zenith portion of the pressing spring B ₂
2 is disposed substantially at the center of the retaining groove 21. Further, as shown in FIG. 11, in a state in which the pressing spring B ₂ is elastically mounted, the gap e ₂ from the ceiling portion 18a of the engagement recess 18 to the pressing portion 22 of the pressing spring B ₂ were combined smaller than the height H ₂ of the upper engaging projections 19a to the retaining groove 21 in the state.

The operation of the eyeglass frame of the second embodiment will be described. As shown in FIG. 9, the height direction of the frame body F _2, and the longitudinal direction of the vine body T it is arranged so as to be substantially orthogonal. Then, as shown in FIG.
With the upper and lower engaging projections 19a and 19b united,
It is inserted through the insertion hole 14 of the front temple part 2 a into the engagement recess 18 of the engagement projection holding part 17. Lower engaging projection 1
9b presses the pressing spring B ₂ downward. At the same time, the upper engagement projection 19a is pressed against the ceiling 18a of the engagement recess 18. The engaging projections 19a and 19b are pushed in as they are. The lower end of the pressing spring B _2, because they are constrained to the lower end portion 18b of the engaging recess 18, pressing pressure spring B ₂ is elastically deformed. Each engaging projections 19a, 19b further when pushed, the pressing portion 22 of the pressing spring B ₂ is enters the retaining groove 21 provided on the lower side of the engaging projections 19b, each engaging by its elastic restoring force The projections 19a and 19b are pressed upward. For this reason, each of the engaging projections 19a and 19b does not rotate around their axis. The pressing portion 22 of the pressing spring B ₂ is because it entered the retaining groove 21, it is not being withdrawn from the respective engaging projections 19a, 19b Gatsuru body T. In this way, each engagement projection 19a,
19b is engaged with and held by the pressing spring B _2. In this state, the frame body F ₂ and a pair of temples body T is disposed wearable state as glasses.

The operation when the left and right lenses 1 are replaced with different lenses 1 is almost the same as the case of the eyeglass frame of the first embodiment.

[0021] In each of the embodiments described above, the pressing spring B _1, B _2, which is elastically mounted to the proximal end of the vine body T, the frame body F _1, F ₂ of the engagement projection portions 7a, 7b, 19a, 19b is engaged and held. In order to further secure the engagement between them, for example, the following configuration may be employed. That is, a thin pin (not shown) is attached to a predetermined position of the front temple portion 2a so as to be able to advance and retreat, and the frame body F
_1, F ₂ of the engagement projection portions 7a, 7b, 19a, in inserted state in 19b Gatsuru body T, the engaging projections 7a, 7b, 19
a, 19b are provided with fitting holes (not shown) for the pins to enter. The engagement protrusions 7a of the frame bodies F ₁ and F ₂ ,
7b, 19a, 19b is in a state of being engaged with and held by the pressing spring B _1, B _2, by causing enter the pin into the fitting hole, the engaging projection portions 7a, 7b, 19a, 19b exits Is prevented.

[0022]

The eyeglass frame according to the present invention has a configuration in which the engagement projections provided at both ends in the left-right direction of the frame main body are inserted into each vine body in a state of being united, and are engaged and held. . Therefore, the following effects can be obtained.
(1) The spectacle wearer can replace the lens by himself. Therefore, for example, by simply replacing the transparent lens with a colored lens, it is easy to use the same spectacle frame as sunglasses, and vice versa. And it can be worn as it is as sunglasses.
As a result, the spectacle wearer need only carry different lenses and does not need to carry ordinary spectacles and sunglasses. (2) Further, the spectacle wearer can replace only the vine by himself. Therefore, even if the vine is damaged, only the vine needs to be replaced. Also, only the vine body can be of another design. (3) The eyeglass wearer is extremely simple because, after exchanging the left and right lenses, it is only necessary to unite the respective engagement protrusions on the left and right ends of the frame body and to insert the same into the corresponding vine as it is. .

[Brief description of the drawings]

FIG. 1 is a perspective view of an eyeglass frame A according to the present invention.

[Figure 2] and the frame body F ₁ of the first embodiment is a front view of a separated state and a pair of temples body T.

[3] the frame body F each lens attachment portion 5a of the vertical in ₁ is a front view of a state of being expanded to 5b.

[4] below each engaging projections 7a, in a state where 7b are brought together, it is a front cross-sectional view of the engaged state by the pressing spring B _1.

FIG. 5 is a sectional view taken along line XX of FIG. 4;

6 is a perspective view showing a state in which the frame body F ₁ and vines body T and the pressing spring B ₁ was separated.

FIG. 7 is an operation explanatory view showing a state in which upper and lower engaging projections 7a and 7b are united and inserted into the vine body T.

[8] below each stop portion 8a, 8b is, the corresponding pressing spring B ₁ of the pressing portion 16a, an operation explanatory view of a state to be expanded to 16b.

FIG. 9 is a perspective view showing a state where a frame body F ₂ , a vine body T, and a pressing spring B ₂ of another embodiment are separated.

[10] and below the respective engaging projections 19a, in a state in which 19b are brought together, it is a front cross-sectional view of the engaged state to the pressing spring B _2.

FIG. 11 is an operation explanatory view showing a state where upper and lower engaging projections 19a and 19b are united and inserted into the vine T;

12 is a front view of a spectacle frame having a configuration in which left and right lenses 1 are fitted into a frame main body 51 and fixed with screws 53. FIG.

13 is a front view of spectacles having a configuration in which the left and right lenses 1 are connected by a bridge 54. FIG.

FIG. 14 is a front view of an eyeglass frame having a configuration in which a pair of vines 57 is fixed to a frame main body 56 in which the left and right lenses 1 are fitted.

FIG. 15 is a front view of an eyeglass frame having a configuration in which compression springs 59 are elastically mounted on both ends of a frame main body 58;

[Explanation of symbols]

A: spectacle frame B _1, B _2: pressure springs F _1, F _2: main frame T: vine body 1: Lens 2a: front vine portion (base end portion of the vine member) 2b: rear vine portion (vine body) 4: Dividing part 7a, 7b, 19a, 19b: Engagement projection part 8a, 8b: Detachment part 9a, 9b: Pressed part 11: Displacement prevention protrusion (displacement prevention part) 12: Protrusion body fitting groove (displacement prevention) 13): Engagement projection holding part (vine) 16a, 16b, 22: Pressing part 21: Retaining groove (retaining part)

Claims (5)

[Claims] 1. A frame main body having at least right and left ends vertically divided into two parts so that left and right lenses are interchangeably mounted, and detachably attached to both left and right ends of the frame main body. An eyeglass frame comprising: a pair of vines; a pair of vines; a pair of vines; And a pressing spring for pressing and holding the pressed portion of each of the engaging projections inserted into each of the vines in a combined state, and a pressing spring. 2. The locking projection according to claim 1, wherein each of the engaging projections is provided with a shift preventing portion for preventing the engaging projections from shifting in the front-rear direction when they are united. Glasses frame. 3. The pressing spring has a form in which a leaf spring is bent in a substantially C shape, and furthermore, both ends thereof are bent inward to press the pressed portion against the portion. The spectacle frame according to claim 1, wherein a pressing portion is provided. 4. The pressing spring has a form in which a leaf spring is bent in a substantially U-shape, and further, a pressing portion for pressing the pressed portion is provided at a top portion thereof. The eyeglass frame according to claim 1 or 2, wherein 5. The spectacle frame according to claim 1, wherein each of the engaging projections is provided with a retaining portion for preventing the engaging projection from coming off from the vine. .