TWI526727B - Holding member for eyeglasses lens and eyeglasses having said holding member - Google Patents

Description

Holding member of spectacle lens and glasses having the same

The present invention relates to a holding member for an eyeglass lens and a lens including the same, and more particularly to a holding member for an eyeglass lens which is suitable for a frameless type of eyeglasses.

Conventionally, it is not necessary to use a frame such as a frame to hold the periphery of the spectacle lens, and the frameless type glasses which are held by the bridge and the pile head have been put into practical use. For example, Patent Document 1 discloses a lens in which a center beam and a pile head are formed by a member made of a shape memory alloy, and a member is inserted and held in a hole formed in a lens portion. Further, Patent Document 2 describes a lens in which a plurality of wires are inserted into a non-through hole formed in an eyeglass lens, and each wire is pressed against a side wall of the non-through hole and held. Further, Patent Document 3 discloses a lens in which a long hole is formed in the vicinity of the outer peripheral portion of the spectacle lens, and the elastic bifurcation portion formed in the pile head and the center beam is inserted into the long hole and held.

(previous technical literature) (Patent Literature)

Patent Document 1: Japanese Patent Laid-Open No. Hei 7-281132

Patent Document 2: Japanese Laid-Open Patent Publication No. 2004-54076

Patent Document 3: Japanese Laid-Open Patent Publication No. 2008-164646

In Patent Documents 1 to 3, the holding portion is formed in the center beam and the pile head, and the holding portion is inserted into the hole formed in the spectacle lens. However, when the center beam and the pile head are in the form of a circular cross section, There is a problem that the spectacle lens is easily swayed and falls off in a state where the holding portion is inserted. As described in Patent Document 3, when the holding portion having a rectangular cross section is formed, it is difficult to process the holding portion.

Further, when the wire is used, as disclosed in Patent Documents 1 and 3, when the front end of the holding portion protrudes from the spectacle lens, there is a fear that the protruding portion is inadvertently caught, and the design is not satisfactory. Further, since the member is engaged with and held by the surface or the edge of the spectacle lens, if the shape of the member is not formed in accordance with the shape of the spectacle lens, there is a possibility of occurrence of shaking. In Patent Document 2, the wire member is not protruded. However, since the non-through hole is formed in the end surface of the spectacle lens, there is a fear that the strength of the lens portion forming the non-through hole is weak and damaged.

Accordingly, an object of the present invention is to provide a holding member which can be easily processed and which can securely hold an eyeglass lens of an eyeglass lens, and a lens including the holding member.

The holding member of the spectacle lens of the present invention has: The connecting portion is formed with a folded portion so as to be folded back from the end portion of the at least one end portion; and the engaging portion is protruded from the folded portion and inserted into the engaging hole provided in the spectacle lens from the front side; The engaging portion is formed in an inverted U shape, and one end portion thereof is connected to the folded portion, and the other end portion is disposed to face the folded portion at an interval therebetween, and the one end portion and the other end of the engaging portion are disposed A portion of the outer side is crimped to the inner surface of the engaging hole to hold the spectacle lens. Further, a thin plate made of a shape memory alloy material or a superelastic alloy material is formed by cutting. Further, the engaging portion has a locking means that is locked to the inner surface of the engaging hole on the outer side of the one end portion and the other end portion.

The eyeglasses of the present invention include the above-described holding member and an eyeglass lens held by the holding member. Furthermore, the eyeglass lens is provided with an engaging member through which the engaging hole is provided.

The present invention can be easily processed by having the above configuration, and can reliably hold the spectacle lens.

1‧‧‧ glasses

2‧‧‧glass lenses

3‧‧‧中梁

4‧‧‧ nose pad

5‧‧‧ Pile head

6‧‧‧Mirror feet

7‧‧‧foot cover

20a, 20b, 21‧‧‧ snap holes

30, 50‧‧‧ Connections

30a, 30b‧‧‧ Both ends

31a, 31b, 51‧‧

32a, 32b, 52‧‧ ‧ Engagement Department

33a, 33b‧‧‧ one end

34a, 34b‧‧‧ the other end

50a, 50b‧‧‧ end

50c‧‧‧ mounting hole

53‧‧‧End part

54‧‧‧The other end

100‧‧‧ Body Department

101‧‧‧Flange

102, 103‧‧‧ openings

104‧‧‧Departure

Fig. 1 (a) and (b) are a plan view and a front view of the eyeglasses having the holding structure of the spectacle lens of the present invention.

Fig. 2 (a) and (b) are partially enlarged plan views of the middle beam portion and a partially enlarged plan view of the pile head portion.

Fig. 3 (a) and (b) are partially enlarged plan views of a beam portion in another embodiment and a partially enlarged plan view of a pile head portion.

Fig. 4 is a perspective view showing the appearance of the engaging member.

Hereinafter, embodiments of the present invention will be described in detail. Further, the embodiments described below are preferred examples for carrying out the invention, and thus are technically limited. However, the present invention is not limited to the above embodiments unless otherwise specified in the following description.

Fig. 1 is a plan view (Fig. 1(a)) and a front view (Fig. 1(b)) of the eyeglasses having the holding structure of the spectacle lens of the present invention. The eyeglasses 1 include: a pair of left and right eyeglass lenses 2; a pair of eyeglasses 2 disposed between the eyeglass lenses 2 to hold the eyeglasses 3 in the eyeglass lens 2; a pair of right and left nose pads 4 attached to the center beam 3; and a pair of eyeglass lenses 2 is at a position opposite to the center beam to hold a pair of left and right pile heads 5 of the eyeglass lens 2; a temple 6 mounted on the pile head 5; and a foot cover inserted in the temple 6 ( Tip) 7. Further, in the present specification, the front side of the glasses 1 is referred to as the front side, and the back side is referred to as the rear side.

The center beam 3 and the pile head 5, which are holding members for holding the spectacle lens 2, are attached to the engagement holes formed in the spectacle lens 2, respectively, as will be described later. The center beam 3 and the pile head 5 are made of a metal material such as a shape memory alloy or a superelastic alloy. For the holding member of the spectacle lens, for example, a nickel-titanium alloy material exhibiting such characteristics is preferable. In this example, the metal thin plate is cut by laser processing or the like, and the center beam 3 and the pile head 5 can be formed simply and accurately. Forming the center beam 3 and the pile head 5 by thin plates, when viewing the glasses from the front side At the same time, the center beam 3 and the pile head 5 are designed to be linear in the left and right directions with the same thickness, and the design of the glasses can be improved.

Fig. 2 is a partially enlarged plan view of the center beam portion (Fig. 2(a)) and a partially enlarged plan view of the pile head portion (Fig. 2(b)). Regarding the pile head portion, the pile heads 5 on the left and right are formed in the same shape in which the left and right symmetry are arranged. Therefore, only the pile head 5 on the right side is shown, and the pile head 5 on the left side is omitted.

The center beam 3 is formed with the folded-back portions 31a and 31b on the rear side of the both end portions 30a and 30b of the connecting portion 30 which are bent to protrude toward the front side. On the rear side of the folded-back portions 31a and 31b, the U-shaped engaging portions 32a and 32b are respectively protruded.

The folded portions 31a and 31b are formed so as to be folded back from the both end portions 30a and 30b of the connecting portion 30 toward the center portion, and the width of the folded portion is formed to have substantially the same width as the connecting portion 30. Further, the widths of the both end portions 30a and 30b are formed to be wider than the widths of the connecting portion 30 and the folded portions 31a and 31b. The side ends on the rear side of the folded-back portions 31a and 31b are set so as to be in contact with the front sides of the left and right eyeglass lenses 2 when the engaging portions 32a and 32b are inserted into the engaging holes 20a and 20b of the eyeglass lens 2, respectively. .

The engaging portions 32a and 32b are formed in an inverted U shape, and the one end portions 33a and 33b on the end side of the connecting portion 30 are integrally connected to the root portions of the folded portions 31a and 31b, respectively. The one end portions 33a and 33b are formed in a zigzag-like engraving on the outer side end, and each of the tip ends is formed to be inclined toward the folded-back portions 31a and 31b. Therefore, when the engaging portions 32a and 32b are inserted into the engaging holes 20a and 20b, they are formed at the one end portion 33a. And the serrated tip end of 33b is not caught, but can be smoothly inserted, but when the engaging portions 32a and 32b are pulled out from the engaging holes 20a and 20b, the tip end of the zigzag shape is easily hooked. Easy to be pulled out.

The other end portions 34a and 34b of the engaging portions 32a and 32b on the center side of the connecting portion 30 are disposed to face each other at intervals from the front end portions of the folded portions 31a and 31b, and the outer corner portions are formed in an acute angle. . Therefore, when the engaging portions 32a and 32b are inserted into the engaging holes 20a and 20b, the corner portions formed on the outer sides of the other end portions 34a and 34b are not caught and smoothly inserted, but the engaging holes 20a and When the engaging portions 32a and 32b are pulled out by the 20b, the corner portions set to the outside are easily hooked and are not easily pulled out. The engaging portions 32a and 32b are set to have a tapered shape in which the width gradually narrows from the one end portions 33a and 33b to the curved portion formed to be folded back toward the rear side, and the width becomes the narrowest at the curved portion. And the width gradually widens from the curved portion to the other end portions 34a and 34b. Further, the interval between the one end portions 33a and 33b of the engaging portions 32a and 32b and the inner sides of the other end portions 34a and 34b is formed to gradually expand from the curved portion.

The engagement holes 20a and 20b of the spectacle lens 2 are respectively penetrated in a direction substantially perpendicular to the front side surface of the spectacle lens 2, and are formed in a rectangular shape elongated in the left-right direction. The width of the engaging holes 20a and 20b in the vertical direction is set to be substantially uniform and slightly wider than the thickness of the center beam 3. The width of the engaging holes 20a and 20b in the left-right direction is set to be narrower than the widest portion from the outer side of one of the end portions 33a and 33b of the engaging portions 32a and 32b to the outer sides of the other end portions 34a and 34b. In addition, the width of the left and right direction It is formed to gradually expand toward the rear side from the front side of the spectacle lens 2.

The degree of the spectacle lens 2 is adjusted by changing the curvature of the rear side surface. Therefore, by forming the engaging holes 20a and 20b in a direction substantially perpendicular to the front side surface of the spectacle lens 2, the engaging holes can be formed on the front side surface in a predetermined direction even in the case of different degrees. Further, since the intermediate beam 3 is attached by bringing the folded portions 31a and 31b into contact with the front side of the spectacle lens 2, the attachment can be performed without being affected by the degree of the spectacle lens 2. In addition, since the engaging portions 32a and 32b are engaged with the inner surfaces of the engaging holes 20a and 20b without being engaged with the back side, it is not necessary to have the curvature of the back side surface of the spectacle lens 2 as a function of the degree of change. When the shape is changed and changed, the beam 3 of the same shape can be used even when the degree of the spectacle lens 2 is changed.

When the center beam 3 is attached to the pair of eyeglass lenses 2 and connected, the engaging portions 32a and 32b are respectively inserted from the front sides of the engaging holes 20a and 20b of the eyeglass lens 2 and attached. The insertion portion 32a and 32b are inserted into the engagement holes 20a and 20b from the curved portion protruding from the rear side as the front end portion, and the curved portion passes through the engagement hole 20a. And 20b, in a state in which the folded-back portions 31a and 31b are abutted on the front side of the spectacle lens 2.

In the case where the center beam 3 is formed of a shape memory alloy material, in order to easily insert the engaging portions 32a and 32b into the engaging holes 20a and 20b, the other end portions 34a and 34b are brought close to the one end portions 33a and 33b. In this way, the curved portion is further bent and deformed in advance, and after the engaging portions 32a and 32b are inserted, the original shape is restored, whereby the engaging portion is thereby engaged. The one end portions 33a and 33b of the 32a and 32b and the other end portions 34a and 34b are press-fitted to the inner surfaces of the engaging holes 20a and 20b to be engaged and fixed.

Further, when the center beam 3 is formed of a superelastic alloy material, the bent portions of the engaging portions 32a and 32b are respectively inserted into the engaging holes 20a and 20b of the spectacle lens 2. At this time, the width in the left-right direction of the engaging holes 20a and 20b is set to be narrower than the widest portion from the outer side of the end portions 33a and 33b of the engaging portions 32a and 32b to the outer sides of the other end portions 34a and 34b. Therefore, the engaging portions 32a and 32b are inserted while the bent portions are further bent and deformed such that the other end portions 34a and 34b are close to the one end portions 33a and 33b. Further, when the curved portion is set to pass through the engaging holes 20a and 20b and the folded-back portions 31a and 31b are abutted on the front side of the spectacle lens 2, the width in the left-right direction of the engaging holes 20a and 20b is formed. In order to gradually enlarge from the front side to the rear side of the spectacle lens 2, the other end portions 34a and 34b which are bent and formed into the engaging portions 32a and 32b and the one end portions 33a and 33b are slightly expanded from the start of insertion. Therefore, the other end portions 34a and 34b of the engaging portions 32a and 32b and the one end portions 33a and 33b are crimped to the engaging holes 20a with respect to the force for pulling the engaging portions 32a and 32b toward the side opposite to the insertion direction. The inner surface of 20b and 20b are fixed and are fixed.

In a state where the engaging portions 32a and 32b are pressed against the inner surfaces of the engaging holes 20a and 20b, the serrated tips formed on the outer sides of the one end portions 33a and 33b, and the other end portions 34a and 34b are crimped to the card. The inner surfaces of the holes 20a and 20b are closed and the engaging portions 32a and 32b are not pulled out. It is firmly fixed.

In this way, the outer end of one end portion and the other end portion of the engaging portion are locked to the inner surface of the engaging hole to hold the spectacle lens, so that the spectacle lens is engaged due to the two-point support between the engaging portion and the engaging hole. Some parts will not be shaken. Further, since the engaging portion formed in an inverted U shape is inserted into the engaging hole having a width slightly wider than the thickness of the engaging portion, the engaging portion does not rotate inside the engaging hole, and can be stably Keep the spectacle lens.

Further, since a gap is formed between the other end portions 34a and 34b of the engaging portions 32a and 32b and the engaging holes 20a and 20b, the tool can be inserted in the gap, and the other end portions 34a and 34b approach the one end portion 33a. Further, the method of 33b is deformed to release the engagement state of the engaging portions 32a and 32b, and the center beam 3 is removed from the spectacle lens 2.

Then, in a state in which the engaging portions 32a and 32b are fixed to the engaging holes 20a and 20b of the spectacle lens 2, since the bent portions passing through the engaging portions 32a and 32b of the spectacle lens 2 are formed into a circular shape, even Inadvertently, there will be no hooking. Further, since both end portions 30a and 30b of the connecting portion 30 are also formed in a circular shape, there is no possibility of hooking even if inadvertently contacted. Since the front end portions of the folded portions 31a and 31b are disposed between the connecting portion 30 and the spectacle lens 2, inadvertent contact from the outside is prevented.

The pile head 5 includes a connecting portion 50 that is formed on the rear side and that is connected to the temple 6 and formed into a narrow width. The connecting portion 50 is formed with a central portion bent, and the end portion 50a on the front side is provided with a folded portion 51 extending toward the rear side, and the end portion 50b extending from the rear side is formed to be wide and connected to the temple 6 Mounting hole 50c. The width of the central portion other than the both end portions of the connecting portion 50 is formed to be substantially uniform, and is set to be slightly narrower than the width of the connecting portion 30 of the center beam 3. On the rear side of the folded portion 51, an inverted U-shaped engaging portion 52 is protruded from each other.

The folded portion 51 is formed to be folded back from the end portion 50a of the connecting portion 50 toward the central portion, and the width of the folded portion is formed to have substantially the same width as the connecting portion 50. Then, the width of the end portion 50a is formed to be wider than the connecting portion 50 and the folded portion 51. The side end on the rear side of the folded-back portion 51 is set to abut against the front side of the spectacle lens 2 when the engaging portion 52 is inserted into the engaging hole 21 of the spectacle lens 2.

The engaging portion 52 is formed in an inverted U shape, and the one end portion 53 located on the end side of the connecting portion 50 is integrally connected to the root portion of the folded portion 51. The one end portion 53 is formed with a zigzag pattern on the outer side end, and each of the tip ends is formed to be inclined toward the folded portion 51. Therefore, when the engaging portion 52 is inserted into the engaging hole 21, the serrated tip formed on the one end portion 53 can be smoothly inserted without being hooked, but the engaging portion 52 is pulled from the engaging hole 21 When it comes out, the tip that is set to the zigzag shape is easily caught and difficult to pull out.

The other end portion 54 of the engaging portion 52 located on the center side of the connecting portion 50 is disposed to face the front end portion of the folded portion 51 at an interval therebetween, and the outer corner portion is formed in an acute angle. Therefore, when the engaging portion 52 is inserted into the engaging hole 21, the corner portion formed on the outer side of the other end portion 54 can be smoothly inserted without being hooked, but the engaging portion 52 is removed from the engaging hole 21 When pulled out, the corners set to the outside are easily caught and difficult to pull out. The engaging portion 52 is formed in a tapered shape in which the width is gradually narrowed from the one end portion 53 to the curved portion formed to be folded back toward the rear side, and the width becomes the narrowest in the curved portion, and the width is curved. The portion gradually becomes wider toward the other end portion 54. Further, the interval between the one end portion 53 of the engaging portion 52 and the inner side of the other end portion 54 is formed to gradually enlarge from the curved portion.

Similarly to the engaging holes 20a and 20b, the engaging hole 21 of the spectacle lens 2 penetrates in a direction substantially perpendicular to the front side surface of the spectacle lens 2, and is formed in a rectangular shape elongated in the left-right direction. The width of the engaging hole 21 in the upper and lower directions is set to be substantially uniform and slightly wider than the thickness of the pile head 5. The width of the engaging hole 21 in the left-right direction is set to be narrower than the widest portion from the outer side of one end portion 53 of the engaging portion 52 to the outer side of the other end portion 54. Further, the width in the left-right direction is formed to gradually expand toward the rear side from the front side of the spectacle lens 2.

When the pile heads 5 are attached to the pair of spectacle lenses 2 and connected, the engaging portions 52 are inserted from the front side of the engaging holes 21 of the spectacle lens 2 and attached to the center beam 3, respectively. The insertion portion 52 is inserted into the engagement hole 21 from the curved portion which is the front end portion which protrudes from the rear side thereof, and the curved portion passes through the engagement hole 21 and is in the spectacle lens. The front side 2 is in a state in which the folded portion 51 is abutted.

In the case where the pile head 5 is formed of a shape memory alloy material, in order to easily insert the engaging portion 52 into the engaging hole 21, the curved portion is further bent and deformed in such a manner that the other end portion 54 approaches the one end portion 53. After inserting the engaging portion 52, returning to the original shape In this manner, the one end portion 53 of the engaging portion 52 and the other end portion 54 are press-contacted to the inner surface of the engaging hole 21 to be engaged and fixed.

Further, when the pile head 5 is formed of a superelastic alloy material, the bent portions of the engaging portions 52 are respectively inserted into the engaging holes 21 of the spectacle lens 2. At this time, the width of the engaging hole 21 in the left-right direction is set to be narrower than the widest portion from the outer side of the one end portion 53 of the engaging portion 52 to the outer side of the other end portion 54, so that the engaging portion 52 is one side The curved portion is further bent and deformed while the other end portion 54 is close to the one end portion 53, and one side is inserted. Further, when the curved portion is set to pass through the engaging hole 21 and the folded-back portion 51 abuts on the front side of the spectacle lens 2, the width in the left-right direction of the engaging hole 21 is formed to follow the spectacle lens. The front side is gradually enlarged toward the rear side, so that the other end portion 54 and the one end portion 53 which are bent and formed into the engaging portion 52 are slightly expanded from the start of insertion. Therefore, the other end portion 54 of the engaging portion 52 and the one end portion 53 are pressed against the inner surface of the engaging hole 21 to be engaged with respect to the force for pulling the engaging portion 52 toward the side opposite to the insertion direction. It is fixed.

In a state where the engaging portion 52 is crimped to the inner surface of the engaging hole 21, the serrated tip formed on the outer side of the one end portion 53 and the other end portion 54 are crimped to the inner surface of the engaging hole 21 and the card The hinge 52 is not pulled out but is firmly fixed.

After the engaging portion 52 is fixed to the spectacle lens 2, the end portion of the temple 6 is attached to the end portion 50b of the connecting portion 50, and the temple 6 is rotatably connected to the mounting hole 50c by a screw or the like.

The engaging portion 52 is fixed to the engaging hole 21 of the spectacle lens 2 In the state in which the bent portion passing through the engaging portion 52 of the spectacle lens 2 is formed into a round shape, there is no hooking even if it is inadvertently contacted. Further, since both end portions 50a and 50b of the connecting portion 50 are also formed in a circular shape, there is no possibility of hooking even if inadvertently contacted. Since the front end portion of the folded portion 51 is disposed between the connecting portion 50 and the spectacle lens 2, inadvertent contact from the outside is prevented.

In this example, since the center beam 3 and the pile head 5 are formed by cutting a metal thin plate, the whole is formed to have a uniform thickness. Therefore, the wider portion is set to be higher for the portion where the strength of the bending or twisting is narrower. The connecting portion 30 of the center beam 3 is set to have a width wider than the connecting portion 50 of the pile head 5, so that when the left and right temples 6 are enlarged in the opening direction, the connecting portion 50 of the pile head 5 is easily deformed in the opening direction, and the center beam The connecting portion 30 of 3 is not easily deformed. Further, the both end portions of the connecting portions 30 and 50 are formed in a wide width, so that the influence of the deformation hardly affects the folded portion formed at each end portion of the connecting portions 30 and 50, and the card between the engaging portion and the spectacle lens The state can be maintained in a fixed state without causing a deviation or the like. When the size of the wearer's head is different, the degree of opening of the left and right temples 6 is different, but the deformation of the pile head 5 mainly corresponds to the adjustment of the size, and the deformation of the middle beam 3 is relatively compared. small. Therefore, the interval between the right and left nose pads 4 does not change, and the glasses 1 can be worn in a stable state.

Further, when the left and right temples 6 are moved up and down in opposite directions to each other and twisted, the connecting portion 30 of the center beam 3 and the connecting portion 50 of the pile head 5 are deformed in a twisted manner, but Lens 2 The engaging portions 32a, 32b, and 52 are inserted into the narrow engaging holes 20a, 20b, and 21 in the left-right direction. Therefore, the engaging portions are hardly rotated or deviated in the respective engaging holes, so that the spectacle lens 2 is It can be firmly held in the middle beam 3 and the pile head 5.

In the above-described example, when the engaging hole of the spectacle lens is inserted into the engaging portion, the locking means that is locked to the inner surface of the engaging hole is formed as a serration at one end portion of the engaging portion. And forming a corner of the other end portion of the engaging portion at an acute angle, and when the engaging portion is pulled out from the engaging hole, if the inner surface of the engaging hole is engageable, the card may be used The means other than the means are not particularly limited. For example, it may be set such that a step portion is formed on the inner surface of the engaging hole in advance, and the corner portion of the one end portion is locked.

Further, the shape of the zigzag shape may be a hook shape. Further, when only one of the end portions and the other end portion of the engaging portion is pressed against the inner surface of the engaging hole, the engaging portion can be prevented from being pulled out, and the other end portion can be formed in a zigzag shape.

Fig. 3 is a partially enlarged plan view (Fig. 3(a)) and a partially enlarged plan view (Fig. 3(b)) of the pile head portion in the other embodiment. Regarding the pile head portion, since the left and right pile heads 5' are formed in the same shape that is disposed symmetrically left and right, only the pile head 5' on the right side is shown, and the pile head 5' on the left side is omitted. In this example, the center beam 3' and the pile head 5' are attached to the same symbols as the center beam 3 and the pile head 5 by "".

The connecting portion 30' of the center beam 3' is centered in the central portion The width of the core is formed to be longer than the connecting portion 30, and the width of the portion close to both end portions is formed to be wider. Further, in the both end portions 30a' and 30b' of the connecting portion 30', the width is narrowed and curved to have a substantially circular shape. The folded portions 31a' and 31b' have a width slightly smaller than the folded portions 31a and 31b, and the engaging portions 32a' and the engaging portions 32b' do not have the one end portions 33a' and 33b as the one end portions 33a and 33b. The outer side is formed in a zigzag shape. Further, in the left and right eyeglass lenses 2, mounting holes 22a and 22b penetrating in a direction substantially perpendicular to the front side surface are formed, and engaging members 35a and 35b are inserted into the mounting holes 22a and 22b, and an adhesive is used. And fixed. The engaging members 35a and 35b are formed in a tubular shape, and are provided with engaging holes therein, and engaging portions 32a' and 32b' are inserted into the engaging holes of the engaging members 35a and 35b. On the inner surface of the engaging hole of the engaging members 35a and 35b, the step portions 36a and 36b are formed to face the other end portions 34a' and 34b', and are formed on the outer sides of the other end portions 34a' and 34b'. The corners are locked to the step portions 36a and 36b, and the engaging portions 32a' and 32b' are fixed to the spectacle lens 2.

The pile head 5' is formed in substantially the same shape as the pile head 5, and the outer side of the end portion 53' of the engaging portion 52' is not formed in a zigzag shape as the one end portion 53 of the engaging portion 52. The eyeglass lens 2 is formed with a mounting hole 23 penetrating in a direction substantially perpendicular to the front side surface, and an engaging member 55 is inserted into the mounting hole 23, and is fixed by an adhesive or the like. The engaging member 55 is formed in the same shape as the engaging members 35a and 35b, and has an engaging hole provided therein, and an engaging portion 52' is inserted into the engaging hole of the engaging member 55. On the inner surface of the engaging hole of the engaging member 55, The step portion 56 is formed to face the other end portion 54', and the corner portion formed on the outer side of the other end portion 54' is locked to the step portion 56, and the engaging portion 52' is fixed to the spectacle lens 2 .

Fig. 4 is a perspective view showing the appearance of the engaging member. The engaging member includes a main body portion 100 that is formed in a shape that is formed in a circular shape in a plan view, and a flange portion 101 that is formed in a circular shape in a plan view is formed on one side of the opening 102 of the main body portion 100. The main body portion 100 is provided with an engagement hole formed in a cylindrical shape, and the openings 102 and 103 on both sides of the engagement hole are elongated in the longitudinal direction of the outer shape of the outer shape of the main body portion 100, and are formed in a rectangular shape. The length of the opening 102 in the longitudinal direction is set to be narrower than the widest portion from the outer side of one end portion of the engaging portion to the outer side of the other end portion. The width of the opening 102 in the minor axis direction is set to be substantially uniform and slightly wider than the thickness of the center beam and the pile head. The length of the opening 103 in the longitudinal direction is formed to be longer than the opening 102, and the width of the opening 103 in the minor axis direction is set to be the same width as the opening 102. Further, the step portion 104 is formed on the inner surface of the engaging hole provided in the main body portion 100 on the side surface of one of the longitudinal directions in the longitudinal direction of the openings 102 and 103.

When the engaging hole of the engaging member is inserted into the engaging portion, the other end portion of the engaging portion can be deformed by the opening 102 of the engaging hole, and then the length of the step portion 104 is not formed. The other side surface in the axial direction abuts against the outer side of one end portion of the engaging portion, and is inserted into the opening 102 to smoothly insert the engaging portion into the engaging hole. Then, after the insertion portion is inserted, the other end portion returns to the original shape, so that the one end portion of the engaging portion and the outer end portion of the other end portion are crimped and fixed to the engagement. The inner surface of the hole. Further, the corner portion on the outer side of the other end portion is locked to the step portion 104, so that the engaging portion can be surely prevented from being pulled out.

Since the engaging member is fixed to the mounting hole formed in the spectacle lens to fix the engaging portion as described above, the engaging member is made of a material having higher strength than the spectacle lens, and the middle beam and the pile head and the spectacle lens can be strengthened. The strength of the connected portion. Further, by engaging the engaging portion with the step portion formed on the inner surface of the engaging member, the engaging portion can be stably fixed with respect to the spectacle lens without being rotated or deviated, and can be surely fixed. The engaging portion is prevented from falling off from the engaging member.

Further, since the widths of the both end portions 30a' and 30b' of the connecting portion 30' are narrowed and formed into a substantially circular shape, when the left and right temples 6 are opened, the two end portions 30a' are mainly 30b' is deformed by bending and deformed in such a manner that the folded portion 31' is separated from the connecting portion 30'. Therefore, deformation of the joint portion 50' of the pile head 5' can be suppressed without stress concentration on the joint portion of the engaging portion and the engaging member, and the spectacle lens can be stably held by the center beam and the pile head. Further, when the left and right temples 6 are deformed in a manner of being moved up and down and twisted, the both end portions 30a' and 30b' are mainly deformed in a twisted manner, and deformation of other portions is suppressed, and the glasses can be stably held. lens.

In the above-described example, one end portion of the engaging portion on the end portion side of the connecting portion is integrally formed at the root portion of the folded portion, and the other end portion of the engaging portion on the center side of the connecting portion is provided. The front end portion of the folded portion is separated from the front end portion, but the other end portion of the engaging portion may be integrally connected to the front end portion of the folded portion, and the engaging portion may be integrally formed. The one end portion and the root portion of the folded portion are separated by an interval, and the same effects as those of the above-described example can be exerted.

2‧‧‧glass lenses

3‧‧‧中梁

5‧‧‧ Pile head

6‧‧‧Mirror feet

20a, 20b, 21‧‧‧ snap holes

30, 50‧‧‧ Connections

30a, 30b‧‧‧ Both ends

31a, 31b, 51‧‧

32a, 32b, 52‧‧ ‧ Engagement Department

33a, 33b‧‧‧ one end

34a, 34b‧‧‧ the other end

50a, 50b‧‧‧ end

50c‧‧‧ mounting hole

53‧‧‧End part

54‧‧‧The other end

Claims (6)

A holding member for an eyeglass lens includes: a connecting portion having a folded portion formed at an end portion thereof; a connecting portion of the folded portion and the end portion abutting on a front side of the spectacle lens; and an engaging portion And protruding from the rear side of the folded portion, and inserted into the engaging hole provided in the spectacle lens from the front side; wherein the engaging portion is formed in an inverted U shape, and one end portion thereof is connected to the folding back The other end portion is disposed to face the folded portion at intervals, and the one end portion of the engaging portion and the outer end portion of the other end portion are press-contacted to the inner surface of the engaging hole to hold the spectacle lens. The holding member for the spectacle lens according to the first aspect of the invention is formed by cutting a thin plate made of a shape memory alloy material or a superelastic alloy material. The holding member for an eyeglass lens according to the first or second aspect of the invention, wherein the engaging portion has an outer surface of the one end portion and the other end portion that is locked to an inner surface of the engaging hole. The means of locking. The holding member for an eyeglass lens according to claim 3, wherein the locking means is formed in a zigzag shape on the outer side. A spectacles comprising the holding member according to any one of claims 1 to 4, and the spectacle lens held by the holding member. The eyeglasses of claim 5, wherein the eyeglass lens is fixed with an engaging member provided with the engaging hole.