JP3583768B2 - Glasses with screwless hinges - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to eyeglasses with a screwless hinge.
[0002]
[Prior art]
Conventionally, as glasses having such a screwless hinge, for example, those described in JP-A-2001-75056 are known.
[0003]
Japanese Patent Application Laid-Open No. 2001-75056 discloses a spectacle provided with a screwless hinge, in which one end is formed with a U-shaped curved portion at the other end of a connecting member made of a linear material installed on a lens or a rim. At one end of the temple, a fitting member having a groove formed in the circumferential direction is provided, and the U-shaped curved portion of the coupling member is in contact with the circumferential groove of the fitting member at at least two places. The fitting member is rotatably fitted between the U-shaped curved portions.
[0004]
[Problems to be solved by the invention]
However, in such a conventional eyeglass with a screwless hinge, one end of a connecting member made of a linear material is installed on a lens or a rim, and a U-shaped curved portion is formed on the other end, and Since the fitting member provided at one end of the temple is rotatably fitted to the U-shaped curved portion, when the temple is folded, at least the length of the connecting member corresponds to the length of the connecting member. Became thicker, and there was a problem in storage.
[0005]
Therefore, in order to reduce the overall thickness of the glasses when the temple is folded, it is conceivable to shorten the length of the coupling member. However, achieving this while obtaining a sufficient opening is due to the structure of the coupling member. There was an upper limit.
[0006]
An object of the present invention is to solve such a conventional problem and provide a simple structure with a sufficient opening and a screwless hinge capable of reducing the overall thickness of the glasses when the temple is folded. It is to provide eyeglasses equipped with.
[0007]
[Means for Solving the Problems]
The eyeglasses provided with a screwless hinge according to one embodiment of the present invention that achieves the above object include a yolo member attached to a lens and a temple member, wherein the yolo member is located on a side surface of the lens. A guide groove having a central axis substantially parallel to the side surface of the lens, an approximately 1/4 arc surface having the center axis as a center of a radius of curvature, and a first groove formed at least at a front end of the arc surface. A temple having a locking groove and an arm extending from the base and positioned on the front surface of the lens, wherein the temple member has a first leg fitted at one end to the guide groove; And a substantially U-shaped bent portion including the substantially quarter-arc surface and a second leg elastically engaged with the locking groove.
[0008]
According to the above configuration, when the temple is folded, the temple is centered on the first leg fitted in the guide groove having the central axis substantially parallel to the lens side surface at the base located on the side surface of the lens. And rotated. Therefore, when the temple is folded, the entire thickness of the eyeglasses is reduced without being affected by the yoroi member. Further, when the temple is rotated, the second leg of the substantially U-shaped bent portion at one end of the temple member elastically engages with the arc surface, so that a sufficient opening can be obtained.
[0009]
Here, it is preferable that the base of the yoke member further has a second locking groove formed at a rear end of the substantially quarter-arc surface. According to this configuration, when the temple is folded, the second leg is locked in the second locking groove, so that the temple is stably held.
[0010]
Further, it is preferable that the first locking groove and the guide groove substantially overlap when the spectacles are viewed from the front. According to this configuration, when viewed from the front, it is neat and fashionability is improved.
[0011]
Further, the yoroi member may be formed of a resin and fixed to an eyeglass lens by adhesion. According to this configuration, the degree of freedom of design required for the eyeglasses is increased, and it is easy to color the eyeglasses in a color different from that of the lens, thereby improving fashionability. In addition, it is not necessary to perform a perforating operation and an adjusting operation on the lens, and the manufacturing of the eyeglasses is simplified.
[0012]
Further, the yoroi member may include a leg extending from the arm, and the leg may be inserted and fixed in a lens hole formed in the lens.
[0013]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings. In the description of this specification, expressions indicating directions such as “front and rear”, “left and right”, and “up and down” indicate directions when the spectacles are worn on a person in a normal state. Further, the term “agaaki” is used to mean a resistance torque when opening and closing the temple.
[0014]
1 to 3, eyeglasses 100 according to an embodiment of the present invention are connected to left and right lenses 110, a yolo member 120 and a bridge-side resin part 130 fixed to the lens 110, and the yolo member 120. It has a temple 140 and a bridge 150 connected to the bridge-side resin part 130.
[0015]
As shown in detail in FIG. 4, the spoiler member 120 is located on the side surface of the lens 110 and partially located in contact with the side surface of the lens 110, and extends from the base 121 and faces the front surface of the lens 110. , And a leg 123 projecting rearward from the arm 122. The base 121 includes a guide groove 124 having a center axis substantially parallel to the side surface of the lens 110 and extending in the up-down direction, a substantially quarter-arc surface 125 having the center axis as the center of the radius of curvature R, and the arc surface. 125 has a first locking groove 126 formed at the front end and a second locking groove 127 formed at the rear end as well.
[0016]
As shown in detail in FIG. 5, the bridge-side resin part 130 extends in a plane substantially parallel to the inner surface of the lens 110, and has a substantially oval shape in which a part is positioned in contact with the side surface of the lens 110. A base 132, an arm 134 extending from the base 132 and positioned in front of the lens 110, and a leg 136 projecting rearward from the arm 134 substantially in parallel with the base 132. A mounting groove 138 is formed in the outer peripheral portion of. As is apparent from FIG. 5, the oval base 132 in which the mounting groove 138 is formed includes two arc portions 132t and 132b. In the present embodiment, the two arc portions are the lens 110 Are arranged in an up-down direction substantially orthogonal to the optical axis.
[0017]
The mounting groove 138 may be formed at least in a portion including the arc portion 132t on the upper side of the outer peripheral portion. In order to securely mount the mounting groove 138 to a bridge 150 described later, as shown in FIG. It is formed over the entire circumference of the elliptical outer peripheral portion including the two arc portions 132t and 132b. As a result, when viewed from the side, the bottom of the mounting groove 138 has a shape having an upper arc portion 138t, a lower arc portion 138b, and a parallel portion 138p therebetween.
[0018]
In this embodiment, as is clear from FIGS. 1 and 2, lens holes 112 are formed near the inner and outer edges of the lens 110, respectively.
[0019]
Next, the bridge 150 is formed from a metal wire (for example, an elastic material such as a titanium alloy, a nickel-chromium alloy, and a nickel-titanium alloy) to a first U-shaped bent portion 152 and a second U-shaped bent portion connected thereto. In the present embodiment, the first leg portions 153 of the first U-shaped bent portion 152 are connected to each other by the connecting portion 151. As shown in detail in FIG. 6, the second leg 154 of the first U-shaped bent portion 152 is linearly continuous with the first leg 156 of the second U-shaped bent portion 155, The two legs of the first leg 153 and the second leg 154 of the first U-shaped bent portion 152 engage with the mounting groove 138 of the bridge-side resin part 130, and the second U-shaped bent portion 155 A nose pad 158 is attached to the tip of the two legs 157.
[0020]
Here, the first U-shaped bent portion 152 is convex downward of the glasses, and its first leg 153 and second leg 154 are parallel to each other, while the first U-shaped bent portion is provided. A second U-shaped bent portion 155 having a first leg 156 that is linearly continuous with the second leg 154 of the pair 152 is convex upward in the eyeglasses, and has the first leg 156 and the second leg 157. Are almost parallel to each other. However, the first leg 153 of the first U-shaped bent portion 152 and its second leg 154 (and the first leg 156 of the second U-shaped bent portion 155) and the second U-shaped bent As is apparent from FIG. 1, the second leg 157 of the portion 155 is formed so as to substantially overlap when viewed from the front of the glasses.
[0021]
Reference numeral 158 denotes a nose pad, which is attached to the distal end of the second leg 157 of the second U-shaped bent portion 155 constituting the bridge 150 in this embodiment. It may be provided on a pad arm.
[0022]
Further, a screwless hinge constituted by the temple 140 and the above-mentioned flap member 120 will be described mainly with reference to FIG. In the present embodiment, the screwless hinge is formed by a combination of the yellowing member 120 and a substantially U-shaped bent portion 142 formed at one end of the temple 140. The temple 140 is formed of an elastic metal wire such as a titanium alloy, a nickel-chromium alloy, and a nickel-titanium alloy, and the substantially U-shaped bent portion 142 is fitted into the guide groove 124 of the yolo member 120. A first leg 144 and a second leg 146 that resiliently engages the arcuate surface 125 and the first and second locking grooves 126 and 127. Between the main body of the temple 140 and the substantially U-shaped bent portion 142, there is provided a relief portion 148 inclined at substantially the same angle (about 135 °) with respect to both when viewed from above (see FIG. 2). ), The first leg 144 is bent downward substantially at right angles to the clearance 148. The substantially U-shaped bent portion 142 formed at the end of the temple 140 engages the first leg portion 144 and the second leg portion 146 with the first leg portion 144 and the second leg portion 146 when fitted into the guide groove 124 of the first member 120. In a no-load state, the first leg 144 and the second leg 146 are connected to each other so that the second leg 146 comes into contact with the arc surface 125 evenly and a predetermined “swing” is generated stably. The opening width with the two legs 146 is smaller than the radius of curvature R.
[0023]
In the embodiment of the present invention, the eyeglasses 100 are assembled and completed by the following procedure. First, the leg portion 123 of the yellowing member 120 and the leg portion 136 of the bridge-side resin part 130 are inserted into the lens holes 112 near the inner and outer edges of the lens 110, so that the yolo member 120 and the bridge-side resin part 130 are respectively inserted. Is fixed to the lens 110. The left and right lenses 110 are connected by attaching the bridge 150 to the bridge-side resin part 130. This attachment is accomplished by turning the first U-shaped bend 152 of the bridge 150 downward, with its first leg 153 and its second leg 154 (and the first leg of the second U-shaped bend 155). 156) is introduced into the mounting groove 138 of the bridge-side resin part 130 from below. When the introduction is completed, the first U-shaped bent portion 152 is engaged with the lower circular arc portion 138b of the mounting groove 138, and the first leg 153 and the second leg 154 are parallel to the mounting groove 138. 138p, and the left and right lenses 110 are securely connected.
[0024]
Finally, the left and right temple members 140 are connected to the yoro member 120 to form a screwless hinge. More specifically, the first leg 144 of the U-shaped bent portion 142 formed at the end of the temple member 140 is inserted from below into the guide groove 124 of the yolo member 120, and the second leg 146 is inserted into the arc surface 125. The first leg portion 144 and the second leg portion 146 elastically clamp the yoroi member 120. Thus, the rimless glasses 100 are completed by connecting the components without using any screws or the like.
[0025]
When the temple member 140 is folded to its fully closed position in the eyeglasses 100 configured using the connection structure between the bridge 150 and the bridge-side resin part 130 and the screwless hinge as described above, the temple member 140 The first leg 144 is rotated around the center, and the second leg 146 elastically contacting the arc surface 125 and the frictional force between the arc surface 125 are closed with a predetermined “scratch”. . Then, when reaching the fully closed position, the second leg 146 is locked in the second locking groove 127 formed at the rear end of the arc surface 125, and is stably held in that state. At this time, contact between the temple member 140 and the lens 110 is avoided due to the inclination of the escape portion 148 of the temple member 140, and the entire thickness of the eyeglasses is kept thin without being affected by the yolo member 120. Will be. On the other hand, when the temple member 140 is opened to its fully open position, the second leg 146 is locked in the first locking groove 126 formed at the front end of the arc surface 125, and is stably held in that state. Is done.
[0026]
When an excessive external force acts on the glasses, the substantially U-shaped bent portion 152 elastically engaged with the mounting groove 138 of the bridge-side resin part 130 is elastically deformed, and the bridge-side resin part 130 is elastically deformed. The resin part 130 and the bridge 150 come off. As a result, deformation of components such as the lip member 120, the bridge 150, and the temple member 140 and cracking of the lens 110 are prevented.
[0027]
Further, the yoke member 120 and the bridge-side resin part 130 may be colored in a special color, and thus, the fashionability is improved. Further, the resin part may be transparent. In particular, in the case of the yolo member 120 and the bridge-side resin part 130 in which the legs are omitted, the field of view is not restricted and it is bright, and the glasses with a clean design in which the feeling of a foreign substance to the lens part is also reduced in appearance are reduced. can get.
[0028]
The mounting groove 138 of the bridge-side resin part 130 is preferably disposed vertically or horizontally when viewed from the front. This is because when viewed from the front, it is cleaner and fashionability is improved.
[0029]
The introduction direction of the bridge 150 into the mounting groove 138 of the bridge-side resin part 130, in other words, the insertion direction is an example in which the insertion is performed from below in the above-described embodiment, but this is a predetermined direction. As long as it is in any direction.
[0030]
Although the preferred embodiments of the present invention have been described above, the present invention is not limited to the above embodiments. That is, the U-shaped bent portion 142 of the temple member 140 may be formed to be upwardly convex, and may be introduced into the yolo member 120 from above.
[Brief description of the drawings]
FIG. 1 is a front view showing spectacles according to an embodiment of the present invention.
FIG. 2 is a plan view showing spectacles according to one embodiment of the present invention.
FIG. 3 is a side view showing spectacles according to one embodiment of the present invention.
4A is a front view, FIG. 4B is a plan view, and FIG. 4C is a side view of the eyeglass member according to the embodiment of the present invention.
5A is a front view, FIG. 5B is a plan view, and FIG. 5C is a side view showing a bridge-side resin part of the glasses according to the embodiment of the present invention.
FIG. 6 is a perspective view showing an example of a bridge of glasses according to an embodiment of the present invention.
FIGS. 7A and 7B are partially enlarged perspective views showing a screwless hinge portion of the spectacles according to one embodiment of the present invention, wherein FIG. 7A is when the temple member is opened, and FIG. 7B is when the temple member is closed. Is shown.
[Explanation of symbols]
REFERENCE SIGNS LIST 100 Glasses 110 Lens 112 Lens hole 120 Smear member 121 Base 122 Arm 123 Leg 124 Guide groove 125 Arc surface 126 First locking groove 127 Second locking groove 130 Bridge side resin part 132 Base 134 Arm 136 Leg Part 138 Mounting groove 140 Temple member 142 Substantially U-shaped bent part 144 First leg part 146 Second leg part 150 Bridge 152 Substantially U-shaped bent part

Claims (5)

A yoloid member attached to the lens,
And a temple member,
The yoroi member is a base located on the side surface of the lens, a guide groove having a center axis substantially parallel to the lens side surface, a substantially 1/4 arc surface centered on the center axis of a radius of curvature, and the arc A base having a first locking groove formed at least at a front end of the surface, and an arm extending from the base and positioned on a front surface of the lens;
The temple member has, at one end, a first leg fitted into the guide groove, and a second leg elastically engaged with the substantially quarter-arc surface and the locking groove. A pair of eyeglasses provided with a screwless hinge having a substantially U-shaped bent portion. The pair of eyeglasses according to claim 1, wherein the base of the yoke member further has a second locking groove formed at a rear end of the substantially quarter-arc surface. . The pair of eyeglasses according to claim 2, wherein the first locking groove and the guide groove substantially overlap when the spectacles are viewed from the front. The pair of eyeglasses according to any one of claims 1 to 3, wherein the yoke member is formed of a resin and fixed to an eyeglass lens by bonding. 4. The yoroy member according to claim 1, further comprising a leg extending from the arm, wherein the leg is inserted and fixed in a lens hole formed in the lens. Eyeglasses with a screwless hinge as described in Crab.

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