JP2015094818A - Thin type spectacles - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide thin type spectacles that are applicable not only to spectacles including a front part holding a substantially circular or substantially elliptical lens but also to a lens including a front part holding an all-shape lens.SOLUTION: In spectacles in which temples 11 and 11 are attached on both sides of a front part 10 holding left/right lenses 12 and 12 so as to be able to fold the temples 11 and 11, and when folding the temples, the temples are folded along an upper rim or lower rim in the same plane surface as the front part, on both sides of the front part, support parts 13 and 13 are provided that support the temples in a freely foldable way, and with respect to an axial line orthogonal to a base line C connecting centers of the left/right lenses held by the front part, a shaft 11a making the temples rotate is configured to be tilted. The support part 13 is configured to extend from the front part 10 in a direction parallel to the base line C, and the shaft 11a may be tilted with respect to the support part.

Description

  The present invention relates to thin spectacles in which the temple is housed in the same plane as the front portion that holds the lens when the temple is folded.

As this type of thin spectacles, the one of Patent Document 1 by the present applicant is known.
In the thin spectacles described in this document, a broach is provided at a position where an inclined line inclined downward with respect to a horizontal base line intersects a tangent line of the rim, and a temple is rotatably attached to the broach via a joint. . Therefore, it is assumed that the thin spectacles described in this document are spectacles having a substantially circular or elliptical rim, half rim, or lens.

JP 2009-69356 A (Patent No. 4881265)

However, mainly from the viewpoint of fashionability, there is a demand to apply this type of thin spectacles to various thin spectacles such as a rectangular shape and a polygonal shape in addition to a substantially circular shape and a substantially elliptic shape.
The present invention has been made to meet such a demand, and is not limited to spectacles having a front portion that holds a lens having a substantially circular or substantially elliptical shape, and is applied to spectacles having a front portion that holds a lens of any shape. The purpose is to provide thin glasses that can be used.

In order to solve the above-described problem, the invention according to claim 1 is attached so that a temple can be folded on both sides of a front part holding left and right lenses, and is flush with the front part when the temple is folded. In the spectacles in which the temple is folded along the upper edge or the lower edge of the front part, support parts for foldably supporting the temple are provided on both sides of the front part, and left and right held by the front part. The axis for rotating the crane is inclined with respect to an axis perpendicular to the base line connecting the centers of the lenses, and is provided in the support portion.
According to a second aspect of the present invention, the support portion may be provided so as to protrude from the front portion in a direction parallel to the base line, and the shaft may be inclined with respect to the support portion.
In this way, even if the side edge of the front part is not circular, such as substantially circular or oval, the vine is the same along the upper or lower edge of the front part when folded. It can be accommodated in a plane.
As described in the third aspect of the present invention, the shape of the front portion is not limited to a substantially circular shape or a substantially elliptical shape, but is applicable to a rectangular shape, a polygonal shape, or an indefinite shape.
Moreover, although the said support part and the said shaft may be connected via a joint, as described in Claim 4, the shaft hole which fits the said shaft in the said support part is formed, and a joint is made unnecessary. Also good.

DESCRIPTION OF EMBODIMENTS Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
[First embodiment]
1A and 1B show a first embodiment of the present invention, in which FIG. 1A is a front view of thin spectacles in a state where a temple is folded, FIG. 1B is an enlarged view of a side edge of a front portion, and FIG. It is a side view of the thin spectacles of the state which carried out.
The thin spectacles 1 are attached to a front part 10 having left and right rims 10a, 10a for holding a lens 12 and a bridge 10b for connecting the left and right rim rims 10a, 10a, and foldable to both ends of the front part 10. It is of the full rim type having the cranes 11 and 11.
The temples 11, 11 are rotatable in the folding direction by fitting the shafts 11 a, 11 a at the tips of the temples 11, 11 into shaft holes of the support parts 13, 13 formed protruding from both ends of the front part 10. Is pivotally supported. A wisdom or broach may be used as the support part 13, or the support part 13 may be formed separately from the wisdom or broach.
The rims 10a and 10a, the bridge 10b, and the temples 11 and 11 can be formed of, for example, a metal round wire or a flat plate.

  In this embodiment, the left and right rims 10a, 10a are substantially rectangular, and the left and right lenses 12, 12 held by the rims 10a, 10a are also substantially rectangular. And the side edge which connects the cranes 11 and 11 with respect to the base line C which connects the optical centers P of the left and right lenses 12 and 12 crosses at a substantially right angle. As shown in the enlarged view of FIG. 1B, the support portions 13 and 13 have an axis L in the same direction as the extending direction from the rim 10a inclined downward with respect to the base line C at an inclination angle θ. Further, since the pivot shafts of the temples 11, 11 are provided substantially perpendicular to the axis L of the support portions 13, 13, the pivot shaft is inclined at an angle θ with respect to the axis perpendicular to the base line C. Will be inclined.

The inclination angle θ is determined by rotating the cranes 11 and 11 so that the cranes 11 and 11 are positioned at the upper edge of the front part 10 when folded, and the folded cranes 11 and 11 are connected to the front part 10. Are angles that are accommodated in substantially the same plane.
It should be noted that when folded, part of the left and right vines will cross, and since the vine is formed in a wire shape or a thin plate shape, the crossed portion is also considered “substantially in the same plane”. Shall. Further, since the concave lens and the convex lens have a slight bulge, the front portion does not become flat, but if it is within the range of the bulge of the lens, it is regarded as “substantially flat”.

  With the above configuration, when the left and right temples 11 and 11 are rotated in the folding direction, as shown in FIG. 1A, the temples 11 and 11 are substantially aligned with the front part 10 in a state along the upper edge of the front part 10. In the same plane.

[Second Embodiment]
2A and 2B show a second embodiment of the present invention, in which FIG. 2A is a front view of thin spectacles in a state in which a temple is folded, and FIG. 2B is an enlarged view of a side edge of a front portion.
In this embodiment, the same members and the same parts as those of the previous embodiment are denoted by the same reference numerals, and the detailed description of the previous embodiment is used.
In this embodiment, the support portions 23 and 23 are provided such that the axes (axis in the same direction as the direction extending from the rim 10a) are parallel to the base line C. A shaft hole is formed in the support portion 23 at an inclination angle θ with respect to an axis L ′ orthogonal to the base line C passing through the optical center P of the lens, and the rotation shaft 11 a at the tip of the temple 11 rotates in this shaft hole. It is inserted freely.
Also in this embodiment, when the left and right temples 11 and 11 are rotated in the folding direction, as shown in FIG. 2A, the temples 11 and 11 are in a state along the upper edge of the front part 10. Are contained in substantially the same plane.

[Other Embodiments]
The present invention is not limited to full-rim glasses, but can be applied to half-rim and rimless (two-point) glasses. Further, the shape of the lens is not limited to a rectangle, but can be applied to a polygon such as a substantially pentagon or a substantially hexagon, a substantially circle or an ellipse, and other shapes.
For example, FIGS. 3 (a) and 3 (b) are front views showing a state in which the present invention is applied to thin rim glasses 3, 3 'of a half rim, and the shape of the lens 32 is substantially hexagonal. As shown in FIG. 3A, the support portion 33 may be provided with an angle θ with respect to the base line C, as in the first embodiment, or as shown in FIG. Similarly to the second embodiment, the support portion 33 ′ may be parallel to the base line C, and the axis of the temple 11 may be provided at an angle θ with respect to the base line C.
FIG. 4 is a front view showing a state in which the present invention is applied to the rimless thin glasses 4 and the shape of the lens 42 is a deformed hexagon. As shown in FIG. 4, the support portion 43 is parallel to the base line C and the axis of the temple 41 is provided at an angle θ with respect to the base line C, as in the second embodiment.

Although a preferred embodiment of the present invention has been described, the present invention is not limited to the above-described embodiment.
For example, in the above description, the vine is accommodated along the upper edge of the front portion, but the vine may be accommodated along the lower edge of the front portion.

  The present invention can be applied to any spectacles such as full rim, half rim, rimless, two-point, etc., and the shape of the lens held on the front part is also substantially circular, elliptical, rectangular, substantially pentagonal, and other It can be applied to all kinds of glasses such as polygons and indefinite shapes. Further, the present invention can be applied not only to metals but also to glasses made of resin or other materials.

1A is a front view of thin spectacles in a state where a temple is folded, (b) is an enlarged view of a side edge of a front portion, and (c) is a state in which a temple is unfolded according to a first embodiment of the present invention. It is a side view of thin spectacles. FIG. 4A is a front view of thin glasses with a crane folded, and FIG. 5B is an enlarged view of a side edge of a front portion according to a second embodiment of the present invention. It is a front view of the right half of the thin spectacles concerning other embodiments of the present invention. It is a front view of the right half of the thin spectacles concerning other embodiments of the present invention.

DESCRIPTION OF SYMBOLS 1 Thin spectacles 10 Front part 10a Rim 10b Bridge 11 Tsuru 12 Lens 13 Support part C Base line L Support part axis (theta) Inclination angle P Optical center of lens

Claims (4)

The temples are attached to both sides of the front part holding the left and right lenses so that the temples can be folded, and when the temples are folded, the temples extend along the upper edge or the lower edge of the front part in the same plane as the front part. In the glasses that are folded,
Provided on both sides of the front part is a support part that foldably supports the temple,
An axis for rotating the crane is inclined and provided on the support portion with respect to an axis orthogonal to a base line connecting the centers of the left and right lenses held by the front portion,
Thin glasses featuring The thin spectacles according to claim 1, wherein the support portion is protruded from the front portion in a direction parallel to the base line, and the shaft is inclined with respect to the support portion. The thin glasses according to claim 1 or 2, wherein a rim constituting the front portion is rectangular or polygonal. The thin glasses according to claim 1, wherein a shaft hole for fitting the shaft is formed in the support portion.

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