JP2002328342A - Spectacle of preventing temple from biting into side of face skin and method used for the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a spectacle which prevents its temples from pressing the sides of the face of a wearer and biting into the skin thereof. SOLUTION: The spectacle is provided with a temple 1 attached to a bracket 3 which is fixed to a rim frame, through a hinge. The temple 1 has an easily bendable part 1a protruding outwards in an arc shape. The easily bendable part 1a is positioned nearer to the base of the temple than a point located at 1/2 of the length L between the base of the temple and an ear point EP. Accordingly, when the face width of the wearer is made to be wider than the width between the temples of the spectacle, the bendable parts are moved forward to the utmost, and the sides of the face, specifically the temples of the wearer are prevented from being bitten into the temporal parts of the face by the temples of the spectacle.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to spectacles, and more particularly, to spectacles capable of preventing temples from biting into the side of a face, and a method capable of preventing bites.

[0002]

2. Description of the Related Art At present, an extremely large number of types of eyeglasses are sold, but fashionability as well as wearability is very important. By the way, the temple called “vine” is a portion that directly contacts the skin surface of the face, and is an extremely important portion in order to obtain a holding force on the face side by pressing. In general, when the eyeglasses are purchased, the ones fitted to the face are scrutinized as much as possible, so that the temple's pressing force on the face is also appropriate.

[0003]

However, there is a case where the user becomes fat and the face width becomes wider than before in long-term use. In such a case, there is a problem in the fitting property of the temple portion. Will occur. That is, the fit is inevitably cramped. This will be described with reference to FIG. 4 showing the relationship between the face width and the temple in the conventional glasses.

[0004] The solid line in the figure is that at the time of eyeglass purchase, and the temple 11 provided with the modern part 12 is substantially 90 degrees with respect to the rim frame (front). In this case, the face width is substantially the same as the temple width, and the face side, specifically, the temple at the front of the face side and the temple 11
There is a sufficient gap between them. However, when the face 17 becomes thicker and the face width becomes larger than the temple width, the temple 11 is elastically deformed to open the hung glasses, and the curved part is located close to the modern part as shown by a one-dot chain line. (Inflection part) curves greatly outward.

[0005] As a result, the temple 11 does not follow the side of the head, but bites into the skin of the side of the face 17 in a region (corresponding to a temple) in front of the curved portion. In this case, a strong compressive force acts on the temple biting portion on the side of the face, and the comfort is poor, and in extreme cases, the wearer feels pain. Furthermore, the bite state of the temple exhibits a phenomenon that makes the wearer's face look fater than it actually is or emphasizes the fact that the wearer is fat. Will be

The present invention has been made in view of the above technical background, with the intention of solving the above problems.
It is an object of the present invention to provide eyeglasses that can prevent a temple from pressing against the side of a wearer's face and cutting into the skin as much as possible even if the face width increases. It is a further object of the present invention to provide a method capable of preventing the temple from biting into the face side as much as possible.

[0007]

The inventor of the present invention has conducted intensive studies on the conventional problems, and as a result, it has been found that the bending point of the temple is brought to the bracket side so that biting into the temple portion can be suppressed as much as possible. The present invention was completed based on this finding.

That is, the present invention relates to (1) a bite prevention eyeglass having a temple attached via a hinge to a bracket fixed to a rim frame, wherein the temple has a bendable portion which easily bends. Exist in worn-out prevention glasses.

[0009] (2) The bite prevention glasses have an easily curved portion formed in an arc shape protruding outward.

[0010] Also, (3) the easily bendable portion is present in the face-side bite prevention glasses which are located on the base end side from the position of 1/2 of the length from the base end to the ear point.

[0011] (4) The easy-bend portion is present in the face-side bite prevention glasses which are present near the base end portion.

[0012] (5) The easy-bending portion is present in face-side bite prevention glasses which are thinner than other portions of the temple.

[0013] (6) Another aspect of the present invention resides in eyeglasses for preventing bite on the side of the face, wherein the radius of curvature of the easily curved portion is 150 mm or less.

(7) In a pair of spectacles having a temple attached via a hinge to a bracket fixed to a rim frame, an easily bendable portion is formed on the temple so as to be easily bent, and is provided on the base end side. The present invention relates to a method for preventing bite in eyeglasses, which reduces bite with the side of the face by approaching.

The present invention can also adopt a configuration in which two or more selected from the above 1 to 6 are combined as long as this object is met.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1, 2 and 3, a description will be given of an embodiment of face-side bite prevention glasses according to the present invention.

FIG. 1 shows full-rim glasses, which are rim frames 5 for holding and fixing the periphery of a pair of lenses R, respectively.
A bridge 6 for connecting the pair of lenses R held in the rim frame 5 symmetrically to the left and right, brackets (also called “chi”) 3 provided at both ends of the rim frame 5, and the bracket 3 It comprises a temple 1 rotatably attached via a hinge (hinge) 4. The temple 1 is provided with a modern part 2 which is a part that hangs on the ear. The material of the temple 1 is not particularly limited as long as it is elastic. Among the metals, β-Ti having elasticity, particularly N
i-Ti superelastic alloys are preferred.

FIG. 1 and FIG. 2A are views showing the entire glasses when the temple 1 is opened in a normal state.
FIG. 1 is a diagram showing a principle diagram of the present invention. Here, the normal state refers to a state in which the temple is fully opened without overdoing it. In this normal state, that is, in the initial state before wearing the glasses, the temple 1 including the modern part 2 is opened at almost 90 degrees with respect to the front of the glasses.

An easily bendable portion 1a that curves outward is provided at the base end (end on the bracket side) of the temple 1, and the range from the easy bendable portion 1a to the modern portion 2 is as follows. It is formed substantially linearly. The easy bending portion 1a refers to a portion where the bending is easily generated as compared with other portions. It is preferable that the easy bending portion 1a is formed in an arc shape protruding outward as in this example. It is preferable that the modern portion 2 at the tip of the temple 1 has an inner surface 2a that comes into contact with the skin formed into a curve along the face on the wearer's ear.

Here, the principle of the over rotation will be described. The principle diagram of FIG. 3 shows that the bending portion (produced by the easy bending portion) due to the over-rotation of the temple is moved forward (P1 → P2 → P3), so that the position behind the bending portion before the over-rotation. It indicates that it is farther from the position. Therefore, it can be understood that in order to prevent the skin portion from digging into the temple portion, it is better to move the curved portion at least to the temple portion or forward thereof.

As shown in FIG. 2A, the easily bendable portion 1a extends from the base end to the ear point EP (the ear point EP is a central position in a range in contact with the side of the face above the ear). Is preferably provided on the base end side with respect to the position of 1/2 (preferably 1/3) of the length L. Because, on the base end side from the position where the easy bending portion 1a is half the length L from the base end to the ear point EP, the bent portion of the temple exists substantially in the area of the temple,
This is because at least a part of the temple is prevented from biting into the temple skin surface.

It is preferable that the easily bendable portion exists near the base end. By providing the easily bendable portion 1a near the base end portion, the easily bendable portion 1a is located forward of the temple portion, and thus the temple bend portion is also located forward of the temple portion region. This is because almost all bites are prevented.

As described above, the temple 1 has elasticity. However, in order to make elastic deformation of the easy bending portion 1a easier when a force to open outward is applied, the temple 1 is used. It is more effective to make it thinner than other parts. Specifically, it is preferable that the thickness is gradually reduced from both ends toward the center, and the thickness T of the center is 1.0 mm or less.

The radius of curvature r of the arc-shaped easy-to-bend portion 1a
Is preferably 150 mm or less. If the radius of curvature r is 150 mm or more, the easily bendable portion 1a becomes close to a straight line, and when it is over-rotated, it curves further inward, approaches the skin surface, comes into contact with and comes into pressure contact with the skin.

The eyeglasses of the present invention configured as described above have the same face width as the temple width at the time of purchase, and the temple 1 is opened at substantially 90 degrees with respect to the front. There are sufficient gaps. next,
As shown in FIG. 2B, it is assumed that the flesh of the wearer's face 7 increases and the face width becomes wider than the temple width. in this case,
The force for opening the temple 1 outwardly acts intensively on the easily bendable portion 1a, and is elastically deformed at the portion of the easily bendable portion 1a. Becomes

As a result, the portion of the temple 1 behind the easy bending portion 1a is separated from the face 7 of the wearer, and the temple does not bite into the side of the face as in conventional glasses. When there is a temple portion behind the easy bending portion 1a, the temple 1 does not bite into the temple portion.
Naturally, there is no pain, the comfort is the same as at the time of purchase, the wearer's face does not look fatter than it actually is, and the fashionability is not impaired.

On the other hand, when an outward opening force acts on the temple 1, the curved portion of the temple moves toward the bracket, so that the over rotation at the ear point EP is restricted. Therefore, the sense of incongruity in the ears due to the temple is eliminated. This is illustrated in FIG. 2 for the glasses of the present invention.
This is apparent from a comparison of the temple opening angle between (B) and FIG. 4 for the conventional glasses. Here, it is preferable that the opening angle of the temple 1 when the ear point EP is opened by 20 mm is 25 ° or less. If it is longer, the fit to the ears is particularly poor.

The present invention is not limited to the embodiment, but can take other modified forms without departing from the essence thereof. Further, in the embodiment, an example of application to full-rim glasses has been described, but the present invention is also applicable to other rimless glasses, half-rim glasses, and the like.

[0029]

As described above, in the eyeglasses for preventing side surface bite of the present invention, the easy-curving portion is provided on the base end side of the temple, so that even if the wearer's face width is wider than the temple width, The curved portion moves forward as much as possible, thereby preventing the temple from biting into the side of the face, especially the temple portion. In addition, over-rotation at the ear point is restricted, and no discomfort occurs at the ear.

Further, the wearer's face does not look fatter than it actually is, and fashionability is not impaired. Further, when the easily bendable portion is gradually thinned from both ends toward the center portion, the easily bendable portion is easily elastically deformed, which is more effective.

[Brief description of the drawings]

FIG. 1 is an overall view of eyeglasses for preventing side-face digging of the present invention, wherein (A) is a perspective view and (B) is a plan view.

FIGS. 2A and 2B are plan views of the left half of the eyeglasses for preventing intrusion of the side face of the face of the present invention, wherein FIG. 2A is a view in a normal state, and FIG. is there.

FIG. 3 is a diagram showing a principle diagram of the present invention.

FIG. 4 is a plan view of the left half of the conventional glasses in which the face width is increased and the temple is open.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Temple 1a Easy bending part 2 Modern part 2a Inner surface 3 Bracket 4 Hinge 5 Rim frame 6 Bridge 7 Face 11 Temple 12 Modern part 17 Face EP Ear point R Lens

Claims (7)

[Claims] 1. An anti-biting eyeglass having a temple attached via a hinge to a bracket fixed to a rim frame, wherein the temple has an easily curving portion which is easily bent. . 2. The bite prevention glasses according to claim 1, wherein the easily bendable portion is formed in an arc shape protruding outward. 3. The eyeglasses according to claim 1, wherein the easily bendable portion is located closer to the base end than half the length from the base end to the ear point. . 4. The eyeglasses according to claim 1, wherein the easily bendable portion is present near the base end. 5. The eyeglasses according to claim 1, wherein the easily bendable portion is thinner than other portions of the temple. 6. The eyeglasses according to claim 2, wherein the radius of curvature of the easy bending portion is 150 mm or less. 7. A pair of eyeglasses having a temple attached to a bracket fixed to a rim frame via a hinge, by forming an easily bendable portion which easily bends on the temple and bringing it closer to the base end side. A method for preventing bite in eyeglasses, characterized by reducing bite with a side face.