JP4857445B2 - Eyeglass frame vine - Google Patents

Description

  The present invention relates to a spectacle frame crane that is connected to the spectacle frame so that the spectacle frame can be folded and can be slightly opened outwardly by a magnetic force.

  A joint that functions so as to be able to be pushed slightly outward from the state in which the vine is open is called a spring hinge, and is often used as a means for connecting the vines to the vine. Japanese Patent Application Laid-Open No. 2001-290108 “Connecting structure” is a structure in which a temple and an armor of a spectacle frame are connected so as to be relatively rotatable, and a pair of pieces formed by bifurcating at one end of a temple. It is provided to secure a gap in the horizontal direction, and a hole is formed in each piece, and a groove facing each piece is extended along the longitudinal direction of the temple. A moving member that is held by the urging member and urged against the armor by the urging force of the urging member is engaged with the urging member and is movably positioned in the temple gap.

  In this way, the open vine is configured so that it can be pushed outward by energizing the spring force in the return direction, and a coil spring is used for this purpose. That is, although the spring force is generated by compressively deforming the coil spring, a sliding member for expanding and contracting the coil spring is required for that purpose. Therefore, when the sliding member is hindered due to the intervention of dust or the occurrence of rust, the opening operation of the vine does not function smoothly.

  FIG. 4 shows a crane joint structure called the most basic spring hinge. That is, the basic idea of the spring hinge is that a fixed butterfly piece (b) is brazed and fixed to the armor (b), and the other butterfly piece is a sliding butterfly piece (c) to allow a certain distance of sliding. This can give the crane (d) an outward opening.

  A guide groove is formed in the crane (d), and the sliding butterfly piece (c) slides with the guide groove as a guide, but there is a coil spring (e) in the inner cavity of the sliding butterfly piece (c). When the crane (d) is opened to the outside, the sliding butterfly piece (c) is pulled and compressed toward the fixed butterfly piece (b) side. The coil spring (e) hits a claw (g) provided at the inner cavity entrance of the sliding butterfly piece (c) and locked in the groove (f) of the claw (d), and the claw (g) functions as a stopper. is doing. As a result, the restoring force of the coil spring (e) acts on the temple (d) and tries to return the temple (d) to its original position.

  By the way, the hinge structure in which the coiled spring (e) is built in the sliding hinge piece (c) is complicated as shown in the figure, and therefore, the number of manufacturing steps increases, resulting in an expensive spring-loaded hinge. . In addition, since the structure is complicated, there is a problem that it is easy to break down and difficult to repair once it breaks down. If the coil spring (e) and the metal core are pushed into the internal cavity of the sliding butterfly piece (c) and locked to the claw (g), the claw (g) and the coil spring (e) cannot be removed.

  That is, the claw (g) is restrained by the guide of the sliding butterfly piece (c), and the claw (g) locking piece (chi) fits into the slot (f), and the head of the metal core (re) The spring comes into contact with the claw (g) with a spring force, and a force to push the locking piece (h) into the slot (f) is applied. Accordingly, the claw (g) cannot be removed from the sliding butterfly piece (c), and repair is impossible.

  Of course, there are various other joint structures that can perform the same function as the spring hinges, and the vine fits from the side of the face to the head when wearing glasses. However, the conventional joint structure is generally complicated and difficult to assemble, and therefore, repair is not easy. That is, it is different from the assembling work for connecting ordinary vines. When the spring hinge shown in FIG. 4 is attached, it is necessary to provide a guide on which the sliding hinge piece (c) slides on the temple (d), and insert a coil spring (e) and a metal core, (G) must be fitted, and it is not as easy as attaching a vine via a common hinge.

In addition, in the spring hinge shown in the figure, the sliding butterfly piece (c) that accommodates the coil spring (e) and the claw (g) protrudes greatly inside the claw (d), and the appearance of the glasses is impaired. It will be heavy. It is not suitable for appearance as a spring hinge for a slim glasses frame in recent years. On the other hand, the spring hinge is intended for metal vines and is not applied to resin vines.
"Connecting structure" according to Japanese Patent Laid-Open No. 2001-290108

  Thus, the conventional crane joint structure has the above-mentioned problems. The problems to be solved by the present invention are these problems, and the present invention is not limited to the material of the vine, and the glasses are configured to have the same function as a conventional spring hinge with a very simple structure. Provide frame vines.

  The temple of the eyeglass frame according to the present invention comprises a first temple part and a second temple part, and both the temple parts are connected via a joint. However, the first and second temples are bent through this joint, but have an opposing surface on the outside or inside of the joint, and the bending angle is slight. The crane is attached so that it can be folded as usual through a joint such as a hinge.

  And the small magnet is attached to the said opposing surface formed between the said 1st temple part and the 2nd temple part. The structure is such that the restoring force can be applied to the second temple by utilizing the magnetic force of the magnet. The magnetic force of the magnet may act as an attractive force or a repulsive force depending on the direction in which it is arranged, and varies depending on the position of the magnet attached to the joint.

  The crane of the present invention is attached to the front part so that it can be folded. The crane comprises a first crane part and a second crane part and is connected to each other through a joint. And both the temple parts can be bent slightly through a joint, and a magnet is attached to the opposing surface. Therefore, the magnetic force of the magnet can be used to function in the same way as a conventional spring hinge, and the structure is extremely simple.

  That is, the opposing surfaces of the first and second temple portions can be formed on the outer side of the joint, and the magnets can be attached with the same poles opposed to these opposing surfaces, or the first and second temple portions can be attached to the inner side of the joint. The opposing surfaces of the two vine portions can be formed and different poles can be attached to these opposing surfaces.

  FIG. 1 is a specific example showing a spectacle frame equipped with a crane according to the present invention. In FIG. 1, 1 is a front portion, 2 is a rim on which a lens fits, 3 is a rim, 4 is a connecting member, 5 is a nose pad, 6 Represents a crane, respectively. Both the rims 2 and 2 are connected by a connecting member 4, and substantially L-shaped armatures 3 and 3 are brazed to both sides of the front portion 1, and the temples 6 and 6 can be folded. As installed.

  By the way, the crane 6 of the present invention is attached to the armor 3 so that it can be folded. The structure is composed of a first temple portion 7 and a second temple portion 8, and the first and second temple portions 7 and 8. 8 is connected via a joint. Accordingly, the second temple portion 8 is connected to the first temple portion 7 through the joint 10 so as to be bent outward by a slight angle.

  FIG. 2 shows a vine 6 according to the present invention. (A) shows the state in which the temple 6 is attached to the alloy 3, and (b) shows the state where the second temple part 8 is separated from the first temple part 7. The crane 6 has a joint structure that is attached to the armor 3 via a hinge 9 and can be folded. The fact that the temple 6 is composed of the first temple part 7 and the second temple part 8 is a feature of the present invention, but the crane joint structure is the same as the conventional one.

  The first temple portion 7 and the second temple portion 8 are connected by a joint 10 and can be bent outward by a slight angle via the joint 10. The temple 6 shown in FIG. 2 is folded via a hinge 9 by applying a pressing force P from the outside of the second temple portion 8. A stopper surface 11a is formed on the first temple portion 7 on the inner side of the joint 10, and a stopper surface 11b is formed on the second temple portion 8. The stopper surfaces 11a and 11b are in contact with each other. Accordingly, only the second temple portion 8 is not folded via the joint 10, and the entire temple 6 is folded via the hinge 9.

  And the opposing surface 12a is formed in the 1st temple part 7 in the outer side of the coupling 10, and the opposing surface 12b is formed in the 2nd temple part 8. FIG. A magnet 13a is attached to the facing surface 12a, and a magnet 13b is attached to the facing surface 12b. Here, the magnets 13a and 13b are repelled by arranging the magnets 13a and 13b so that their poles are aligned.

  The vine 6 in FIG. 2 is open and can be hung on the face. If the second temple portion 8 is pushed outward in this state, the second temple portion 8 can be bent outward via the joint 10. The first temple portion 7 hits the armor 3 and cannot be bent further outward. When the second temple portion 8 is bent outward, the magnets 13a and 13b attached to the opposing surfaces 12a and 12b approach each other to increase the repulsive force, and as a result, force to push back the second temple portion 8 (magnetic force). Will occur. That is, it can act in the same way as a conventional spring hinge.

  FIG. 3 is another embodiment showing a crane 6 according to the present invention. In the case of the crane 6, the basic structure is the same as that in FIG. 2, but the positions of the joint 10 and the magnets 13a and 13b are reversed. That is, the joint 10 is located outside the temple 6, and the magnets 13 a and 13 b are arranged inside the temple 6.

  The magnet 13 a is attached to the facing surface 12 a formed at the tip of the first temple portion 7, and the magnet 13 b is attached to the facing surface 12 b of the second temple portion 8. And since both magnets 13a and 13b are attached in the direction where the poles differed, the magnetic force attracting each other acts and both magnets 13a and 13b contact. Accordingly, the temple 6 is folded through the hinge 9 and the second temple portion 8 is bent through the joint 10 when being pushed outward.

  If the second temple portion 8 is pushed outward, the magnets 13a and 13b that are in contact with each other are separated, but the magnetic force attracting each other always acts, so that the second temple portion 8 has a force that returns to the inside. work. That is, it can function in the same way as a conventional crane having a spring hinge.

An eyeglass frame provided with a vine according to the present invention. An example representing a vine of the present invention. Fig. 4 is another embodiment illustrating the vine of the present invention. Conventional spring hinge.

DESCRIPTION OF SYMBOLS 1 Front part 2 Rim 3 Yoroi 4 Connecting member 5 Nose pad 6 Crane 7 1st temple part 8 2nd temple part 9 Hinge
10 Fitting
11 Stopper surface
12 Opposite surface
13 Magnet

Claims (3)

In the frame of the eyeglass frame that the vine attached so that it can be folded via a joint on both sides of the front part can be slightly pushed outwards under the action of magnetic force from the open state when wearing glasses The temple has a first temple part and a second temple part, and both the temple parts are connected to each other through a joint so that they can be bent at a slight angle, and the first temple part and the second temple part can be bent. A spectacle frame crane characterized in that opposing surfaces are formed on the two temple parts, and magnets are attached to both the opposing surfaces. The eyeglass frame temple according to claim 1, wherein a joint of the first temple portion and the second temple portion is provided on the inner side, the magnet is attached on the outer side, and the same poles are arranged to face each other. The eyeglass frame temple according to claim 1, wherein a joint of the first temple portion and the second temple portion is provided on the outside, the magnet is attached on the inside, and different poles are arranged facing each other.

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