JP2003241149A - Method of fabricating rotational moving mechanism for mounting flip-up spectacles and flip-up spectacles using rotational moving mechanism fabricated by this method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rotational moving mechanism which is used for assuring a stable action for holding a stop state in an arbitrary position of flip-up spectacles and is formed by a simple fabrication method and flip-up spectacles using this rotational moving mechanism. <P>SOLUTION: The fabrication method of the rotational moving mechanism comprising fitting a metallic wire which is sufficiently longer than a nearly straight metallic pipe of an inner diameter from 0.5 to 2.0 mm, has a diameter from 0.4 to 1.95 mm and has elasticity, into the pipe, in such a manner that its both ends protrude from the both ends of the pipe, providing the pipe with a difference in level of an approximately bow shape of a width from 1 to 30% of the inner diameter of the pipe by a bending press in the fitted state of both, and devising the metallic wire fitted into the metallic pipe so as to have a suitable strength and tension to rotationally move both relative to each other and the flip-up spectacles using the rotational moving mechanism fabricated by such processing method are adopted. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of processing a rotating mechanism portion of a flip-up device for flip-up glasses for already worn glasses, and flip-up glasses using the same.

[0002]

2. Description of the Related Art Conventionally, a large number of flip-up type eyeglasses have been proposed and have been used by many users because they are convenient and useful. Examples of such conventional flip-up type eyeglasses include Japanese Patent Laid-Open No. 10-26743 and No. 3077581.

In the above-mentioned Japanese Patent Laid-Open No. 10-26743, a bearing portion provided with a front brace bar of already worn spectacles and provided with a notch step is elastically actuated by a hook shaft of an elastic clip provided on a bridge of a front frame. It is designed to be hung on the floor and repelled. See again 3077581
In the issue, a rotating pipe is provided between the front frame and the flip-up sunglasses, and a curved arm wire is fitted in the hole to enable the flip-up by the friction of the inner surface of the hole. There is.

[0004]

However, in the above-mentioned Japanese Patent Laid-Open No. 10-26743, the front hanging frame must be flipped up to the notch provided in the bearing, and the flipping angle is limited. There is a drawback that it will return if you do not turn it to that position. If you try to hold the apron frame without the notch,
The elastic force of the elastic clip must be very strong,
Then, the shape of the apron frame will be distorted, and the shape of the already worn glasses will be adversely affected. Next, Tomi 30
In the case of No. 77581, the state in which the flip-up rotation is stopped at any position can be maintained to some extent, but the frictional force just inserting the curved arm wire into the rotating pipe may cause the wearer to shake his or her neck or body. If you move or the like, the flip-up frame will gradually come down and become unstable. This problem can be solved by bending the arm wire rod more largely, but this time, there is a problem that the arm wire rod cannot be inserted into the pipe.

[0004]

In order to solve the above-mentioned problems, first of all, in the present invention, a mechanism for rotating the shaft and the bearing (hereinafter abbreviated as a rotating mechanism) between the shaft and the bearing is provided. In order to firmly hold the stationary state in any desired position, a metal pipe having an inner diameter of 0.5 mm to 2.0 mm is sufficiently longer than the pipe and has a diameter of 0.4 m.
A metal wire having elasticity of m to 1.95 mm is fitted so that both ends project from both ends of the pipe, and in the state of being fitted, a substantially arcuate shape having a width of 1% to 30% of the inner diameter of the pipe. Is formed by a bending press, and the metal pipe and the metal wire fitted therein are processed so as to have an appropriate tension so that they can rotate with respect to each other. The above problem was solved by adopting the processing method of the dynamic mechanism.

Further, a brace bar is fixed in parallel to a metal pipe fitted with an elastic metal wire processed by the above-described processing method, and the brace bar is a rim of flip-up glasses or an existing spectacle or an upper part of a lens. The elastic metal wire fixed to the metal pipe is fixed to or detachably attached to already-wearing eyeglasses or flip-up eyeglasses that are paired with the eyeglasses to which the brace bar is fixed. By providing the flip-up eyeglasses using the turning mechanism processed by the above-mentioned processing method, the flip-up eyeglasses are attached to the already-wearing eyeglasses so that they can be turned and stopped freely. I tried to solve it.

Next, the inner diameter is 0.5 mm to 2.0 m.
A metal wire having a elasticity of 0.4 mm to 1.95 mm, which is sufficiently longer than the pipe, is fitted into a metal pipe of m such that both ends project from both ends of the pipe, and the pipe is kept fitted. In the state of 1 of the pipe inner diameter
A substantially arcuate recess having a width of between 30% and 30% is provided by a bending press, and the metal pipe and the fitted metal wire are processed so as to have an appropriate tensile strength for rotating each other. It is characterized by adopting the processing method of the turning mechanism for wearing the flip-up glasses.

Further, a brace bar is fixed in parallel to a metal pipe fitted with an elastic metal wire processed by the above method, and the brace bar is an upper portion of a rim of already worn glasses or flip-up glasses or a lens. The elastic metal wire fitted to the metal pipe and fixed to the eyeglasses to which the eyeglasses to which the brace bar is attached are fixed or detachably attached to the flip-up eyeglasses or the existing eyeglasses. The flip-up glasses using the turning mechanism processed by the processing method according to claim 3 are characterized in that the flip-up glasses are attached to the already-wearing glasses so as to be rotatable and stopable.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in order with reference to the drawings.
(A) and (A) are explanatory views of the state before processing of the first embodiment, in which a substantially straight metal pipe 10 having an inner diameter of 0.5 mm to 2.0 mm is prepared. The length is not particularly limited, but may be within a range that does not exceed the length of a normal brace bar. The metal pipe is preferably plastically workable. In the through hole 11 of the metal pipe 10, the metal wire 20 having an outer diameter of 0.4 mm to 1.95 mm, which is rich in elasticity and is sufficiently longer than the metal pipe, has both ends from both ends of the metal pipe 10. Insert so that it sticks out. The metal wire 20
Since both ends of the can be bent or have other parts attached, the required length is calculated and designed first.

Then, as shown in FIG. 2 (A), the metal pipe 10 is provided with a length substantially equal to the left and right from the center point M,
The metal pipe 10 is bent by a bending press P so as to form a substantially arcuate step 30 having a width m ₁ of 1% to 30% of the inner diameter. The processed state becomes the rotation mechanism 1 of FIG. 3A is a cross-sectional view of the metal pipe 10 which is bent and press-formed into a substantially bow shape in a plastically deformed state, and a metal wire 20 inserted in the pipe 10 is elastically deformed. Will be held in the pipe. FIG. 3A is a sectional view in which a main part of FIG. 3A is further enlarged.
The width m of the concave portion provided on the base 22 of the bending press in (a)
₁ and the width m ₂ of the protrusion of the protrusion provided on the press surface are made substantially equal.

The metal wire 20 does not easily come off from the metal pipe 10 by the above-mentioned steps (a) and (a) in FIG. And the metal pipe 10 and the metal wire 2
During 0, there will be considerable resistance, that is, considerable tension. This considerable strength is very useful as the role of the rotating mechanism of the flip-up glasses.

In FIG. 4, a place bar 31 is fixed in parallel to the metal pipe 10 of the rotating mechanism 1 processed by the above method by brazing or the like, and the brace bar 31 is a rim or lens of the flip-up glasses 50. Fixed on the top of.
And the metal wire 20a fitted in the metal pipe 10
FIG. 6 is a diagram showing a case where is fixed to the upper side of the already-wearing glasses 40.
In this case, the brace bar 31 may be fixed to the already-wearing glasses, and the metal wire 20a may be fixed to the upper side of the flip-up glasses.

FIG. 5 shows one specific example of the case where the turning mechanism 1 processed by the above method is used and the flip-up glasses 51 are detachably attached to the already-worn glasses. The brace bar 31a is fixed to the lens of the spectacles 51 with a screw, the metal pipe 10b of the rotating mechanism 1 is fixed to the brace bar 31a in parallel by brazing, and the metal pipe 10b is fixed in the metal pipe 10b. The extended portion 21 of the inserted elastic metal wire 20b is bent so as to hold the left and right outer sides of the already worn spectacles, and the claws 22 for holding the already worn spectacles are provided at appropriate positions.

From the state shown in FIG. 5, the metal wire extension portion 21 is extended outward in the upward direction S and attached to the already-wearing spectacles 40a. The flip-up eyeglasses 51 are shown in a perspective view in a state of being flipped up. Even in this flipped-up state, the rotating mechanism 1 processed by the above-described processing method of the present invention is made of metal. Due to the appropriate strength during rotation due to the plastic deformation in the pipe made of plastic and the elastic deformation of the elastic metal wire, the flip-up glasses can hold the stopped state firmly at any position flipped up, Just by moving or shaking your head, it will not come down gradually and you can use it in a stable state. In addition, even when the glasses are normally used in a stacked state, the wearer's spectacles and the flip-up spectacles do not rattle due to the movement of the wearer.

FIGS. 7A, 7B and 7C show a method of machining a rotating mechanism according to another embodiment of the present invention. In this case, the inner diameter is approximately 0.5 mm to 2.0 mm. A straight metal pipe 10c is provided with a metal wire 2 which is sufficiently longer than the pipe and has elasticity of 0.4 mm to 1.95 mm in diameter.
0c with the both ends fitted so as to project from both ends of the pipe, as shown in FIG.
1% of the inner diameter of the metal pipe 10c at the center point Ma of c
A concave portion 30a having a width of m ₃ of about 30% to 30% is formed by a bending press. The processed state is shown in FIG. 7C. In this case as well, in the same manner as the case where the metal pipe 10c and the metal wire 20c are appropriately bent, as in the case where the bending process is performed to form the above-mentioned bow-shaped step. Tension occurs, and the function as the rotation mechanism 1a for the flip-up glasses can be sufficiently ensured.
Further, the arc-shaped turning mechanism 1a in this case is also fixed to the brace bar by brazing or the like and is fixed to the already-wearing eyeglasses or flip-up eyeglasses, like the above-described turning mechanism 1 having an arcuate step. Alternatively, it can be detachably attached.
There is no functional change at all.

The present invention is not limited to the ones embodied by the drawings, and any design changes within the scope of the claims or improvements that can be easily thought of by those skilled in the art are included in the scope of the claims. Is.

[0016]

As described above, according to the present invention, by adopting the rotating mechanism processed by a simple processing method and the rotating mechanism for the flip-up glasses, it is impossible to shape the already worn glasses or the flip-up glasses. It does not impose a burden on the user, and the flip-up glasses do not come back unstablely downward when the wearer moves the body or head. In addition, the holding state can be kept good at any arbitrary position, even in the use state in which the flip-up eyeglasses overlap with the already-worn eyeglasses or in the non-use state in which the flip-up eyeglasses are flipped up. The flip-up spectacles are a mechanism that can be used both detachably and with the spectacles already worn on the eyeglasses, which is very useful.

[Brief description of drawings]

1A and 1B are a metal pipe and a metal wire before being processed according to the present invention.

[FIG. 2] (a) A metal pipe and a metal wire before being processed according to the present invention (b) A drawing set to be pressed by bending work (c) A front view of a processed and rotating mechanism

FIG. 3A is a sectional view of the state of FIG. (B) Enlarged sectional view of the main part of FIG.

FIG. 4 is a plan view of eyeglasses using the rotating mechanism of the present invention.

FIG. 5 is a rear view of the flip-up glasses using the rotating mechanism of the present invention.

6 is a perspective view in which the flip-up glasses of FIG. 5 are attached to already-wearing glasses.

FIG. 7 (a) Metal pipe and metal wire before being processed according to another embodiment of the present invention (a) Bending processing of another embodiment according to the present invention (c) FIG. A front view of another embodiment of the present invention, which is processed into a turning mechanism.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Rotation mechanism 10 ... Metal pipe 20 ... Metal wire 21 ... Metal wire extension 22 ... Claw 23 ... Press machine base 30 ... Step 31 ... Brace bar 40 ... Pre-weared glasses 50 ... Splashing glasses 51 ... Removal possible splashed up Glasses F ... pressure P, P '... press m ... step width m 1 _... width m 2 _... pressing surface of the recess projection width m 3 _... recess having a width

Claims (4)

[Claims] 1. A substantially straight metal pipe having an inner diameter of 0.5 mm to 2.0 mm, and a metal wire having elasticity longer than the pipe and having a diameter of 0.4 mm to 1.95 mm at both ends. It is fitted so as to project from both ends of the pipe, and in the state of being fitted, a substantially arcuate step having a width of 1% to 30% of the inner diameter of the pipe is provided by a bending press, A method of processing a turning mechanism for wearing flip-up glasses, wherein the fitted metal wires are processed so as to have appropriate tension so that they can rotate with respect to each other. 2. A brace bar is fixed in parallel to a metal pipe fitted with an elastic metal wire processed by the method according to claim 1, and the brace bar is a rim of flip-up glasses or already worn glasses. Alternatively, the elastic metal wire fixed to the upper part of the lens and fitted into the metal pipe is fixed to or detached from the already-wearing glasses or the flip-up glasses that are paired with the glasses to which the brace bar is fixed. The flip-up glasses using the turning mechanism processed by the processing method according to claim 1, wherein the flip-up glasses are attached to the . 3. A substantially straight metal pipe having an inner diameter of 0.5 mm to 2.0 mm and a metal wire having elasticity longer than the pipe and having a diameter of 0.4 mm to 1.95 mm at both ends. The metal pipe is fitted so as to project from both ends of the pipe, and in the fitted state, a substantially arcuate recess having a width of 1% to 30% of the inner diameter of the pipe is formed by a bending press. A method of processing a rotating mechanism for wearing flip-up eyeglasses, wherein the metal wires fitted with are processed so as to have appropriate tensile strength for rotating each other. 4. A brace bar is fixed in parallel to a metal pipe fitted with an elastic metal wire processed by the method of claim 3, and the brace bar is a rim of already worn spectacles or flip-up spectacles. Alternatively, the elastic metal wire fixed to the upper part of the lens and fitted in the metal pipe is fixed to the flip-up spectacles or the existing spectacles which are fitted to the spectacles to which the brace bar is fixed, or can be removed. The flip-up glasses using the turning mechanism processed by the processing method according to claim 3, wherein the flip-up glasses are attached to the .