JP3098774U - Eyeglass lens fixture - Google Patents

Abstract

An object of the present invention is to suppress rotation of a lens in a frame of glasses.
A spectacle lens mounting assembly having a lens mounted on a frame member and a mounting assembly including an insertion member that passes through a hole provided in the lens and is fixed to the frame member, wherein the insertion member and the hole are respectively provided. The cylindrical shapes extend in the same direction and overlap each other. The insertion member has a screw hole extending in the axial direction, and the lens is fixed to the insertion member by a mounting screw screwed into the screw hole.
[Selection diagram] Fig. 1

Description

[0001]
[Technical field to which the invention belongs]
The present invention relates to a spectacle lens mounting device, and more particularly to, but not limited to, frameless spectacles or semi-rimmed spectacles. The present invention relates to spectacles fixed to a nose bridge (referred to as a frame member in the present specification).
[0002]
As described above, the present invention relates to spectacles having a frame, and relates to spectacles in which an arm is hinged to a lens and spectacles which are fixed to a hingeless frame incorporating a flexible arm. The invention also relates to glasses having a nose bridge.
[0003]
[Prior art]
This method is not preferable if the lens is attached to the spectacle frame using a single screw, since the lens may rotate with respect to the spectacle frame. For this reason, a method using two mounting screws has been adopted. However, providing holes at two adjacent positions weakens the strength of the lens, and the lens may be cracked during manufacturing or use. Therefore, it is difficult to manufacture a lightweight frameless spectacle lens fixture.
[0004]
[Problems to be solved by the invention]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a lens mount for spectacles with no margins or margins, including sunglasses.
[0005]
[Means for Solving the Problems]
According to the present invention, a spectacle lens mounting assembly includes a lens mounted to a frame member, a frame having an arm or hinge assembly, and a nose bridge, wherein the mounting assembly extends through a hole provided in the lens. The insertion member and the hole are respectively formed in a plurality of cylindrical shapes having the overlapping portion and extending in the same direction, and are formed in the insertion member and extending in the axial direction. The lens is fixed to the insertion member by screwing the mounting screw into the hole.
[0006]
The insertion member and the hole preferably have two overlapping cylindrical shapes extending in the same direction.
The insert member is joined to the frame member by adhesive, soldering or brazing, as well as by engagement or other press-fitting methods. In a preferred embodiment, the insert extends forward or rearward of the frame member and engages and supports the lens.
[0007]
In another example, the insertion member has a protrusion or an extension at one end and a mounting screw is screwed into the other end to fix the lens and the frame member.
In another preferred embodiment, the protrusion extends toward the front or the rear of the lens, and the screw is inserted through a frame member into a screw hole located on the rear or front side of the insertion member, respectively.
[0008]
In the present invention, the lens can be penetrated by drilling two overlapping holes. If two separate holes are spaced apart in the vicinity, the strength is reduced, but this is avoided in the present invention. Furthermore, in use, a single mounting screw can be used without the lens rotating with respect to the frame. Therefore, a strong and lightweight mounting assembly can be provided.
[0009]
A method of manufacturing a fitting for a spectacle lens is to form two overlapping holes extending in the same direction with each other, form one opening with a pair of overlapping cylindrical shapes extending in the same direction, and engage the inner wall of the opening. An insertion member having a shape and having a screw hole extending in a longitudinal direction is arranged in the opening, the frame member is fixed to the insertion member, and the lens is fixed to the frame member using a screw engaged with the screw hole. .
[0010]
In an embodiment, the holes are formed such that the distance between the centers of the holes is 0.2 to 1.5 times the radius of the holes, preferably about half the radius of each hole. .
For example, if the radius of each hole is 1 mm and the width of the hole or the insertion member, that is, the diameter is 2 mm, the length of the insertion member is 3 mm. In an embodiment, the screw hole may have a radius of 0.7 mm, and the screw hole is formed to extend in the axial direction of the insertion member.
[0011]
[Embodiment of the invention]
FIG. 1 is an exploded view of a spectacle lens assembly according to the present invention. The lens 1 has two holes 6, 6 'close to the outer edge. In the preferred embodiment, the radius of each hole is 1 mm and the holes are drilled such that the distance between the centers is 1.5 mm horizontally in the eyeglass use condition. Holes 5, 5 ′ having a similar size penetrate the frame member 4. The frame member 4 may be a hinge assembly or a nose bridge. As another example, the holes 5 and 5 ′ may be formed only partially in the frame member 4 to form blind holes for supporting the insertion member.
[0012]
2 and 3 are a plan view and a front view showing the insertion member 2 of FIG. In plan view, the insert is comprised of two overlapping circles, the distance between the centers being half the radius, and formed to have a shape similar to the numeral 8. The screw hole 3 penetrates the insertion member in the axial direction, and the mounting screw 7 is screwed therein. In this embodiment, the insert 2 is soldered to the arm or other frame member 4 in blind holes 5, 5 'to form a fixed lug. On the fixing lug, the lens 1 may be fixed by the head 8 of the screw 7.
[0013]
FIG. 4 shows an arm 10 having a conventional hinge 11. The lens engaging portion 12 has an insertion member 13 and supports a lens (not shown). In this embodiment, the insertion member 13 is directed backward. The insertion member may be directed forward and the lens may be supported from behind.
[0014]
The insert, consisting of two overlapping cylindrical members 2 extending in the same direction, is sized to be tightly supported in the holes 6, 6 'and 5, 5'.
The insertion member is fixed in the arm 4 by soldering, brazing, using an adhesive, or by engaging or other press-fitting methods. The insert 2 extends from the arm over a length equal to the thickness 6 of the lens.
[0015]
The insertion member 2 has a screw hole extending in the axial direction so as to support the shaft 7 of the mounting screw 8. The head of the screw 8 engages the surface of the lens 1 and fixes the lens to the arm 4, so that the lens is firmly supported.
[0016]
FIG. 5 shows a cross-sectional view of the assembly of FIG. The arm or bridge member 4 has two overlapping cylindrical holes 5, 5 'extending in the same direction as each other, as shown in FIG. The insertion member 2 is tightly fitted in both holes, and is fixed by an adhesive, brazing, or soldering. The insertion member is supported in the auxiliary holes 6, 6 'of the lens 1.
[0017]
The shaft portion 7 of the mounting screw is supported in a screw hole of the insertion member 2. A screw head 8 extends over the surface of the lens 1 and engages the lens to secure the lens to the frame member 4.
[0018]
[Effect of the invention]
As described above in detail, the present invention has an excellent effect that the rotation of the lens in the frame is suppressed.
[Brief description of the drawings]
FIG. 1 is an exploded view of the mounting assembly of the present invention.
FIG. 2 is a plan view of an insertion member.
FIG. 3 is a front view of the insertion member of FIG. 2;
FIG. 4 is a perspective view showing the arm and hinge assembly of the present invention;
FIG. 5 is a cross-sectional view of the assembly.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Lens, 2 ... Insert member, 3 ... Screw hole, 4 ... Arm or other frame member, 5, 5 '... Hole, 6, 6' ... Hole, 7 ... mounting screws, 8 ... screw heads, 10 ... arms, 11 ... hinges, 12 ... lens engaging parts, 13 ... insertion members.

Claims (5)

A lens attached to the frame member,
A mounting assembly comprising an insertion member that is fixed to the frame member through a hole provided in the lens,
The insertion member and the hole each have a plurality of cylindrical shapes extending in the same direction with each other and having an overlapped portion, and the lens is inserted by a mounting screw screwed into an axially extending screw hole in the insertion member. A mounting assembly for the spectacle lens secured to the lens. The assembly of claim 1, wherein the insertion member and the hole comprise two overlapping cylindrical shapes extending in the same direction. 3. The assembly according to claim 1, wherein the insert member is coupled to the frame member. The assembly according to any one of claims 1 to 3, wherein the insertion member has a protrusion or an extension at an end thereof. The spectacles or sunglasses according to any one of claims 1 to 4, further comprising a spectacle lens attachment.

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