Abstract: The present invention relates to the rimless spectacles with lens holding stability, the jointing condition between the respective lenses and the parts to be engaged thereto of which spectacles is very stable and which shape stability lasts for a long period of time. Such rimless spectacles is provided as not only being stable in the jointing condition between the respective lenses and the parts to be engaged thereto so as to keep its shape intact for a long period of time and simplifying the number of the assembly parts so as to be advantageous for the parts inventory control as well as the maintenance thereof, but also improving the production efficiency thereof.

Abstract: An item of eyewear such as spectacles or sunglasses comprises two lenses and two rearwardly extending temple members, and each temple member is pivotally mounted for movement between in-use and non-use positions by means of a hinge provided in an aperture formed in a side of a respective lens. The temple members pivot through 180° degrees when moving between their in-use and non-use positions, and furthermore the pivot axis of the hinge is generally horizontal.

Abstract: To at least one of mark and drill holes in a workpiece spectacle lens, a position of bores of a lens template is scanned, in which the template includes one of a template spectacle lens, a pattern disk and a support disk. The scanning is performed by a scanning arrangement situated in one of a device for coquilles, a device to cut support disks for spectacle frames, and a spectacle lens edging machine. Data is acquired concerning the position of the bores in accordance with the scanning, and is then fed to a computer. The data includes at least one of rectangular and polar coordinates of the position of the bores. At least one of marking and drilling the holes in the workpiece spectacle lens is performed using a Computer-Numeric-Controlled device in accordance with the data concerning the position of the bores.

Abstract: An optical lens securer device for spectacles which includes at least an optical lens having a through slot and a spectacle frame having a coupling portion. The optical lens securer device includes a locking holder and a locking member. The locking holder, having a locking groove defining therethrough, is extended from the coupling portion of the spectacle frame, wherein the locking holder is mounted on the optical lens at a position that the locking groove is aligned with the through slot. The locking member includes a holding base and a locking arm extended therefrom to securely insert into the locking groove through the through slot so as to fasten the optical lens between the holding base and the locking holder for securely attaching the spectacle frame to the optical lens.

Abstract: Eyeglasses with a connecting structure preventing deformation of parts or breakage of lenses even if excessive force is exerted on the eyeglasses, and a screwless hinge avoiding deflection of temple in vertical directions and stable in opening and closing. The connecting structure includes first member, fixed to lens, having mounting groove formed at outer periphery thereof and second member, connected to temple or bridge, having U-shaped bent portion introduced from one direction and resiliently engaging with the groove. The hinge includes cylindrical member provided on an end member, and J-shaped bent portion formed on the end of the temple, the bent member including first leg to be inserted into center hole of the cylindrical member and second leg contacting with outer periphery of the cylindrical member, when the first leg is inserted into the center hole, the first and second legs resiliently clamping the cylindrical member.

Abstract: The method for manufacturing rimless spectacles provides a connection region between the lens and the rimless supporting structure wherein the connection region includes a radiation absorbing dye having a predetermined wavelength absorbing band. The lens and rimless supporting structures are then joined together, and the radiation absorbing dye is irradiated by a source of radiation operating at a wavelength within the predetermined wavelength band. Once exposed, the lens and rimless supporting structure are fused together.

Abstract: A rimless eyeglass frame with the lenses secured to hinge portions of the temples and to the bridge by a threaded bolt and nut assembly with the hinge portions and bridge including two projecting teeth at each connection to the eyeglass lenses and with the projecting teeth gripping the eyeglass lenses and helping to secure them in place.

Abstract: A spectacle lens holding structure comprises a spectacle lens having a indent on side of connecting temple wherein the horizontal inside of indent has a positional strip, and vertical side of positional strip includes a fastening gibbous object; and a holding member having a first opening for placing the spectacle lens and a second opening for connecting a hinge of the temple wherein the holding member has a channel passed through the first and second opening for placing the positional strip and can fasten the spectacle by the fastening gibbous object of the positional strip. The spectacle lens holding structure is easy to disassemble without any tools.

Abstract: A spectacles frame comprising two temples (12, 14), a frame body (10) having housing-forming means (22) inside which the temple bodies (12A, 14A) can be housed and from which said temple bodies can be extracted, and retaining means for retaining each of the first temple end portions inside said housing-forming means (22). Each of the first temple end portions has a retaining head, and each end portion (23′, 23″) of the housing-forming means (22) is provided with at least one constriction which is suitable for retaining a respective one of the retaining heads. Each temple body (12A, 14A) has a flexible zone (14E) which has flexibility greater than the flexibility of an ordinary portion of said temple (12A, 14A) and which can form a bend (12F, 14F) suitable for being opened out for penetrating into the housing-forming means (22).

Abstract: A method and a device for mounting eyeglass lenses, wherein branches and a bridge are connected by plastics material filaments engaged in peripheral grooves in the lenses and having at their ends lugs extending over the lenses and including holes or eyelets through which are passed fixing means such as screws or rivets.

Abstract: The ocular shading device has a frame (1) with a front piece (2) for supporting two opaque eye shading elements (3) and two hinged side pieces (4) adapted to grip a wearer's temple, at which they have down- and in-turned ends (41) as in a conventional pair of spectacles. The three frame pieces are of injection moulded acetal plastics material; whilst the vision assistance elements are of moulded polypropylene material. The front piece has back-turned ends (21), which are curved at (22) and extend straight back (23) from upper and lower hinge apertures (24). The straight extensions (23) limit the pivotal movements of the side pieces (4) in the use position. At the hinge apertures, the extensions are channel shaped, with the channel (25) being open inwards. The extensions have angled back edges (26), defining points (26′) with the tops of the extensions.

Abstract: Fastening means for attaching eyeglass members together includes a barbed locking pin inserted into a bushing. More particularly, rimless eyeglasses require new technology to render them long-lasting and fail-safe. Said unique means of attachment is a highly effective replacement for the typical screw attachment means in many eyeglass configurations, including rimless and rimmed versions. In one embodiment, the barbed pin is inserted into the bushing such that the barbs restrict removal. The barbs can be spaced circumferentially along a length of the pin or can be intermittently distributed along the pin. In another embodiment, co-planer barbs along the pin create additional sharp corners to facilitate a connection between the pin and bushing. In a preferred embodiment the barbs are metal. The invention disclosed facilitates fail-safe attachment of eyeglass members together including a temple hinge mounting-bracket to a temple or lens and a bridge member to a pair of lenses.

Abstract: Eyeglasses with a connecting structure preventing deformation of parts or breakage of lenses even if excessive force is exerted on the eyeglasses, and a screwless hinge avoiding deflection of temple in vertical directions and stable in opening and closing. The connecting structure includes first member, fixed to lens, having mounting groove formed at outer periphery thereof and second member, connected to temple or bridge, having U-shaped bent portion introduced from one direction and resiliently engaging with the groove. The hinge includes cylindrical member provided on an end member, and J-shaped bent portion formed on the end of the temple, the bent member including first leg to be inserted into center hole of the cylindrical member and second leg contacting with outer periphery of the cylindrical member, when the first leg is inserted into the center hole, the first and second legs resiliently clamping the cylindrical member.

Abstract: A lens connecting device and a method of connecting lenses for rimless glasses. Connecting means comprises a base plate to which a cylindrical element is provided to project, and a detent opening provided in the base plate. By pressingly inserting a shaft element into an insertion opening of the cylindrical element in a state that the cylindrical element is inserted into a circular-shaped connecting opening, the end part and the base plate can be integrated therewith. The shaft element is provided at the end part of the bracket to project, and the connecting opening is provided in the edge part of the lens. An opening is bored in the lens using the detent opening as a guide means by rotating the end part around the axis of the connecting opening.

Abstract: An eyeglass assembly which comprises a lens and a frame member, in which the lens has a lug at one edge. The assembly includes a connector by which the frame member is fastened to the lug. The connector comprises a hoop formed from a shape memory alloy which has (a) been treated so that the hoop shrinks inwardly when it is heated to a temperature at which the alloy transforms from martensite phase to austenite phase, and (b) been exposed to an increase in temperature so that the phase of the alloy changes from the martensite phase to the austenite phase and so that the connector hoop shrinks inwardly to grip the lens lug.

Abstract: In a pair of eyeglasses, a pair of temples are pivoted respectively to a pair of lenses through a pair of coupling members. Each of the lens has a temple end formed with a recess and a pair of barbs projecting into the recess and toward each other. Each coupling member has an engaging end formed with a pair of engaging tongues that are snugly fitted into the recess in the temple end of the respective lens and that engage respectively the barbs.

Abstract: The present invention relates to an assembly structure of rimless spectacles improving the assembly structure between the interconnecting part that connects a pair of spectacle lens and a connecting part of the bows of a pair of spectacles, more particularly to an improvement for both the structure of a bolt used as an assembly means and the fixing structure of the bolt, its connecting part and a connecting part of the bows of a pair of spectacles, thereby obtaining the effects of increased productivity, minimized defective rate of the products, and the reduced cost of production, etc.

Abstract: A pair of glasses is provided with an attachment mechanism including a mount groove formed in an end portion of the glass, a lower portion of the mount groove being defined by a converging wall, a mount element provided at an end of the frame member, a fastening device which fastens the frame member on the glass by way of the mount element, and a retaining projection formed on the frame member near the mount element. The retaining projection has a leading end which comes into contact with the converging wall of the mount groove at least two or more points when the frame member is fastened on the glass by the fastening device.

Abstract: A spectacle lens (2) has a first through-hole (22) into which a stud (16) formed in an end piece. The first through-hole (22) and the stud (16) have corresponding non-circular cross-sectional profiles. In the stud and in a contact portion of the end piece, a second through-hole (18) is formed, with a pin (24) being inserted therein, the pin having a head (28) which, with its lower side, abuts on the spectacle lens (2) on the side thereof facing away from the contact portion (10).

Abstract: A lens mounting arrangement for eyeglasses includes an eyeglass frame component, an externally threaded stud projecting from the component, an eyeglass lens having a hole large enough to loosely accommodate the stud, and a plastic nut cooperable with the stud for securing the lens to the frame component. The nut has an axial bore including a side wall which is initially smooth and unthreaded. The diameter of the bore is such that as the nut is turned on to the stud, the threads of the stud produce a corresponding internal thread in the side wall of the bore. As a result, the interengagement of the threads of the stud and nut secure the lens to the frame component. The nut comprises a tubular body and an enlarged head at one end of the body, the head becoming seated against the lens so that the lens, when mounted, is sandwiched between the frame component and the head of the nut.

Abstract: Rimless spectacles are provided which are easily fabricated and wherewith breadth of effective field of view, durability, aesthetic appearance, and light weight, etc., can be easily realized. Rimless spectacles are provided wherein cutouts are provided in the edges of spectacle lenses and attachment members are pushed into place in those cutouts and attached. The cutouts have widths that are either substantially constant or gradually narrow from the edge of the lens toward the center thereof, with ridges or grooves substantially parallel to the front and back surfaces of the spectacle lenses formed in the inner circumferential wall parts thereof. The attachment members have grooves or ridges formed therein that, when those attachment members are inserted into the cutouts from the edge sides of the spectacle lenses and pushed into place, mate with ridges or grooves in the cutouts where the attachment members abut on the inner circumferential wall parts of the cutouts.

Abstract: Fastening means for attaching eyeglass members together includes a barbed locking pin inserted into a bushing. More particularly, rimless eyeglasses require new technology to render them long-lasting and fail-safe. Said unique means of attachment is a highly effective replacement for the typical screw attachment means in many eyeglass configurations, including rimless and rimmed versions. In one embodiment, the barbed pin is inserted into the bushing such that the barbs restrict removal. The barbs can be spaced circumferentially along a length of the pin or can be intermittently distributed along the pin. In another embodiment, co-planer barbs along the pin create additional sharp corners to facilitate a connection between the pin and bushing. In a preferred embodiment the barbs are metal. The invention disclosed facilitates fail-safe attachment of eyeglass members together including a temple hinge mounting-bracket to a temple or lens and a bridge member to a pair of lenses.

Abstract: An eyeglass assembly which comprises a lens and a frame member, in which the lens has a lug at one edge. The assembly includes a connector by which the frame member is fastened to the lug. The connector comprises a hoop formed from a shape memory alloy which has (a) been treated so that the hoop shrinks inwardly when it is heated to a temperature at which the alloy transforms from martensite phase to austenite phase, and (b) been exposed to an increase in temperature so that the phase of the alloy changes from the martensite phase to the austenite phase and so that the connector hoop shrinks inwardly to grip the lens lug.

Abstract: The present invention relates to the rimless spectacles with lens holding stability, the jointing condition between the respective lenses and the parts to be engaged thereto of which spectacles is very stable and which shape stability lasts for a long period of time. Such rimless spectacles is provided as not only being stable in the jointing condition between the respective lenses and the parts to be engaged thereto so as to keep its shape intact for a long period of time and simplifying the number of the assembly parts so as to be advantageous for the parts inventory control as well as the maintenance thereof, but also improving the production efficiency thereof.

Abstract: A connection mounting for rimless eyewear for connecting a joint section to a corresponding lens having a circular hardware receiving aperture with an inner wall includes a connection member, having a free end, and a bushing integrally connected to and emanating from the connection member proximal to the free end thereof. The bushing includes an inner threaded bore and an outer surface and a free end. A number of cutting edges are integrally connected to and emanate from the outer surface of the bushing. A threaded fastener, having a threaded shank and a head, is routed through the circular hardware receiving aperture with the threaded shank in threaded communication with the inner threaded bore of the bushing with the number of cutting edges being embedded in the inner wall of the circular hardware receiving aperture of the corresponding lens.

Abstract: Eyeglasses with lenses of the type which are free of mounting, called “extralight” in which the lenses (1) are connected directly to the central bridge and to the extremity of the two lateral risers by means of a threaded attack, wherein the extremities of the risers (2) and extremities of the central bridge (3) have a terminal portion (4) which is inserted from the internal surface of the lens within corresponding niches (5) formed on the internal surface of the lenses and which is threadedly engaged by an element passing through the lenses from the external surfaces.

Abstract: Clamping mechanism of spectacle lens is provided, which does not involve any complications in assembly, but allows the spectacle lens to be held in place with facility and renders the spectacles smart and shapely in design.

Abstract: A lens connecting device and a method of connecting lenses for rimless glasses. Connecting means comprises a base plate to which a cylindrical element is provided to project, and a detent opening provided in the base plate. By pressingly inserting a shaft element into an insertion opening of the cylindrical element in a state that the cylindrical element is inserted into a circular-shaped connecting opening, the end part and the base plate can be integrated therewith. The shaft element is provided at the end part of the bracket to project, and the connecting opening is provided in the edge part of the lens. An opening is bored in the lens using the detent opening as a guide means by rotating the end part around the axis of the connecting opening.

Abstract: A rimless eyeglasses lens-installing apparatus, a connector connects a lens to a lug and a fastening tool fixed the lens and the connector to each other. The fastening tool has a first fastening member and a second fastening member. A metal insertion member having a threaded hole formed thereon is disposed in an internal portion of the first fastening member by insert molding. An outer threaded portion of the first fastening member engages a threaded portion of a lens through-hole. The threaded portion of the second fastening member is screwed into the threaded hole of the insertion member. A portion of the first fastening member projecting from a rear surface of the lens is cut off appropriately.

Abstract: The invention relates to a rimless spectacles for use with auxiliary lenses by which magnets are used to attract and hold the auxiliary lenses in place.

Abstract: An angle adjustment mechanism for a temple of eyeglasses comprises a square recess at an endpiece of a rim, a hole through the square recess, an abutment member including a square member shaped to conform to the square recess, an annular projection on the square member, a first annular toothed portion spaced from the square member by the annular projection, and a plurality of slits across the first annular toothed portion for providing a flexibility when the first annular toothed portion is compressed, a pivot member pivotably secured to the temple, the pivot member including an annular recess and a second annular toothed portion on the bore of an aperture therethrough, and an engagement member including a plurality of protrusions with latched ends, any two adjacent protrusions being separated by a gap.

Abstract: Rimless spectacles are provided which are easily fabricated and wherewith breadth of effective field of view, durability, aesthetic appearance, and light weight, etc., can be easily realized. Rimless spectacles are provided wherein cutouts are provided in the edges of spectacle lenses and attachment members are pushed into place in those cutouts and attached. The cutouts have widths that are either substantially constant or gradually narrow from the edge of the lens toward the center thereof, with ridges or grooves substantially parallel to the front and back surfaces of the spectacle lenses formed in the inner circumferential wall parts thereof. The attachment members have grooves or ridges formed therein that, when those attachment members are inserted into the cutouts from the edge sides of the spectacle lenses and pushed into place, mate with ridges or grooves in the cutouts where the attachment members abut on the inner circumferential wall parts of the cutouts.

Abstract: A pair of rimless eyeglasses are formed with lenses having mounting apertures defined through their structures near both their mutually proximate and mutually remote edges. The mounting wires and mounting apertures are of uniform cross section throughout between the inner and outer surfaces of the lenses. The ends of coupling wires at the bridge and temple pieces are bent back upon themselves to form mounting loops. The ends of the coupling wires at the mounting loops are inserted into the apertures in the lenses. The mounting wires are thereby secured in the apertures by the force of friction. Preferably each mounting aperture is lined with a resilient grommet that conforms to the shape of the aperture and at least partially conforms to the shape of the wire inserted therewithin. The grommets grip the wires and the structure of the lenses at the apertures to stabilize the bridge and temple pieces relative to be lenses.

Abstract: A pair of rimless eyeglasses are formed with lenses having mounting apertures defined through their structures near both their mutually proximate and mutually remote edges. The mounting wires and mounting apertures are of uniform cross section throughout between the inner and outer surfaces of the lenses. The ends of coupling wires at the bridge and temple pieces are bent back upon themselves to form mounting loops. The ends of the coupling wires at the mounting loops are inserted into the apertures in the lenses. The mounting wires are thereby secured in the apertures by the force of friction. Preferably each mounting aperture is lined with a resilient grommet that conforms to the shape of the aperture and at least partially conforms to the shape of the wire inserted therewithin. The grommets grip the wires and the structure of the lenses at the apertures to stabilize the bridge and temple pieces relative to be lenses.

Abstract: A pair of spectacles has lenses (1, 2) that are connected to one another by a bridge element (3). The sides (6) are connected to the lenses (1, 2) by holding elements (5). The holding elements (5) and the bridge element (3) are preferably produced from flexible wire. The bridge element (3) and the holding elements (5) are connected to the two lenses (1, 2) by corresponding angled portions. A holding portion and a pin portion connect with the lenses (1, 2). The pin portion is accommodated in a through-bore of the lenses (1, 2). The holding portion is accommodated in a respective slot of the lens. Variations are possible by providing a simple plug-in connection allowing a selection to be made from a modular system, which enables the purchaser to assemble his/her own individual pair of spectacles.

Abstract: Eyeglasses have a vertical midplane of symmetry and comprise a front optical portion and two wire temples each associated with a respective side zone of the front optical portion. Each temple has a hinge end shaped as an eyelet lying in a vertical plane intersecting a general longitudinal direction of the temple. A hinge element is fixed on an inside surface of the corresponding side zone to receive the eyelet to pivot about an axis that is substantially normal to said inside surface, between a deployed position in which the temple is substantially perpendicular to the front optical portion, and a folded position in which the temple is substantially parallel to the front optical portion.

Abstract: An eyeglasses includes a pair of lenses, a bridging member, a pair of temples with hook ends that have pivotal end sections, and a pair of coupling units interconnecting the lenses and the temples. Each of the coupling units is in the form of a bent wire, and has a coil-shaped end defining a chamber and a bend portion extending from the coil-shaped end. The pivotal end sections of the hook ends of the temples are received in the pivotal chambers in the coil-shaped ends of the coupling units so as to be turnable relative to the coil-shaped ends between extended and retracted positions.

Abstract: The invention relates to a rimless spectacles for use with auxiliary lenses by which magnets are used to attract and hold the auxiliary lenses in place.

Abstract: An eyeglass assembly for frameless lenses has a plug with an elongate stem placed through a hole in the lens, and a broad head on an upper end of the stem for residing within a seat in the front face of the lens. A lower portion of the stem has a series of annular radial extensions. A cylinder on the end of the temple is lined with a tubular collar made of a deformable material. As the plug is inserted into the collar with force, the extensions grip against the inside of the collar, and are retained by the collar upon release of the force. The head of the plug may be smooth and flat to provide a uniform surface for the lens face.

Abstract: Spectacles with bored frames are defined. The spectacles have lenses joined directly to the bridge and the tenon hinge of the temple by assembly points provided directly on the lenses. The assembly points, at the end of the bridge or the tenon hinge of a temple, have a tab cut out from the lens, projecting beyond the contour of the lens, and an assembly member on the end of the bridge or the tenon hinge of a temple forming a recess, open on one side, to receive the tab by means of a form fit and to be joined thereto.

Abstract: There is provided an attachment structure of a frame body relative to a front portion capable of attaching the frame body to the front portion with a simple construction, and also there is provided an attachment structure of a frame body relative to a front portion wherein stress or distortion of the frame body is hardly transmitted to the front portion. The attachment structure of a frame body relative to a front portion comprises a curved hooked portion formed on the frame body at the central position, and a groove portion defined in the front portion at the central position, wherein the curved hooked portion elastically presses the groove portion so as to engage the curved hooked portion in the groove portion. The frame body can be easily attached to or detached from the front portion with one-touch operation, and hence the operation is made with very ease, and further even if the frame body is distorted or deformed, the distortion is hardly transmitted to the front portion.

Abstract: To generate elastic force in temples and to hold a head with pressing force generated by this elastic force so as to make eyeglasses fit more comfortably. An end of an endpiece to be mounted to a lens is bent, and an endpiece part in a polygonal shape is rotatably mounted to the end. A central portion of the endpiece is pressed against one side of the endpiece part in a normal state. An end of the temple in contact with a user's head is fixed to the endpiece part. As the temple is opened, the endpiece part rotates and the one side then turns from the state of being in contact with the central portion of the endpiece, generating working force so as to return to the initial state and then generating the elastic force in the temple thereby.

Abstract: A rimless eyeglasses lens-installing apparatus, a connector connects a lens to a lug and a fastening tool fixed the lens and the connector to each other. The fastening tool has a first fastening member and a second fastening member. A metal insertion member having a threaded hole formed thereon is disposed in an internal portion of the first fastening member by insert molding. An outer threaded portion of the first fastening member engages a threaded portion of a lens through-hole. The threaded portion of the second fastening member is screwed into the threaded hole of the insertion member. A portion of the first fastening member projecting from a rear surface of the lens is cut off appropriately.

Abstract: Eyeglasses have a vertical midplane of symmetry and comprise a front optical portion and two wire temples each associated with a respective side zone of the front optical portion. Each temple has a hinge end shaped as an eyelet lying in a vertical plane intersecting a general longitudinal direction of the temple. A hinge element is fixed on an inside surface of the corresponding side zone to receive the eyelet to pivot about an axis that is substantially normal to said inside surface, between a deployed position in which the temple is substantially perpendicular to the front optical portion, and a folded position in which the temple is substantially parallel to the front optical portion.

Abstract: A rimless eyeglass frame and rimless eyeglasses are disclosed, which are not affected by a face width of a wearer of eyeglasses or deformation during use, and does not require adjusting operation or even required, adjustment operation can be simple. The rimless eyeglasses have left and right lenses, a wire form frame member having opposite ends and extending toward left and right, and a pair of lens holding portions arranged at center portion of the frame member and holding the left and right lenses at positions in the vicinity of inner edge portions thereof. The frame member is in non-contact with upper edge portions of the left and right lenses.

Abstract: Fixtures and a fitting structure for eyeglass lens are provided wherein the eyeglass lens is easily fitted while preventing cracks in the eyeglass lens during the fitting and preventing loosening of the eyeglass lens during being used. Tapped holes are formed at the respective locations in the inside and outside rims of the eyeglass lens so as to be fitted by pipe screws having threads on at least the internal peripheral faces thereof. A fitting portion of a bridge or a fitting portion of an end piece is located over the top surface of the eyeglass lens so that a hole at the end of the fitting portion is aligned with the tapped hole of the eyeglass lens. Setscrews are inserted into the holes of the fitting portions from the topside of the eyeglass lens so as to be screwed and tightened with the threads in the internal side of the pipe screws.

Abstract: A pair of eyeglasses includes a lens having through-holes near both edges thereof. A lug connected to a temple is installed at one end of the lens. A connection member having a lens-holding portion, a columnar member and a supporting piece is formed at one end of the lug. The outer diameter of the columnar member is substantially equal to the inner diameter of the through-hole of the lens, and the distance between the inner side of the supporting piece and the columnar member is substantially equal to the distance between the end of the lens and the through-hole. A flexible washer is interposed between the head part of the fastener and the lens. A connection member is disposed at an end of a bridge, which is installed at other end of the lens.

Abstract: Sunglasses whose lens is stably engaged to a frontal bar while can be easily replaced with another lens when necessary is provided, said sunglasses being light in weight with minimum production parts and sophisticated in design as well.

Abstract: A frame for rimless spectacles is provided which has no protuberances projecting from both surfaces of lenses, provides an improved effective field of view, and can be fabricated with ease. Blind holes are formed in nose- and temple-side edge surface portions of each spectacle lens, respectively. A pin-like projection is formed on each of nose-side and temple-side contact plates, and is inserted and fixed in the corresponding blind hole by using an adhesive.

Abstract: A frame for rimless spectacles is provided which has no protuberances projecting from both surfaces of lenses, provides an improved effective field of view, and can be fabricated with ease. Blind holes are formed in nose- and temple-side edge surface portions of each spectacle lens, respectively. A pin-like projection is formed on each of nose-side and temple-side contact plates, and is inserted and fixed in the corresponding blind hole by using an adhesive.