Abstract: A specially designed eyewear system is provided. The frame or clip element utilizes multi-filament cable in order to define the lens openings. Such cable is both flexible and strong so that it can easily wrap around the lens elements during assembly. Various types of locking units or assemblies can be used once the cable is wrapped around the lens element in order to maintain engagement of the cable around the lens.

Abstract: Spectacles assembly with a bow-shaped frame and support clip for an interchangeable frontal lens holder. The assembly includes: a bow with arms, for the support of the frontal lens holder; a frontal lens holder made out of profiled material, where the said material goes around at least a part of the outer edge of the lens; and a device with a flexible movement, used to join the frontal lens holder to the bow. The flexible device is formed in correspondence with the connection bridge between the two arch-shaped sections which make up the bow. The frontal closed-ring lens holder has a connection bridge between the peripheral support of the lenses, with the bridge being hooked by a clip which is formed monolithically by the bow.

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 invention pertains to an eyeglass frame with lenses that are interchangeable independently of each other, of the type comprising apertures for said lenses connected to each other by a bridge, as well as temples, with each of said apertures being provided at least partially on its circumferences with a groove, characterized in that said apertures are curved and in that each groove presents at least on its circumference a deepest part and a shallowest part.

Abstract: Lenses are removably mounted on the brow bar of an eyeglass frame. A coupling part is fixed to the top of each lens, preferably by a rim member attached to the lens by conventional techniques. The coupling part is composed of magnetically attractive material and includes a protrusion. Each side of the brow bar carries one or more magnets to engage a coupling part and a recess to receive a protrusion to insure proper positioning of the lens relative to the brow bar. The coupling part may be retained behind, on top of, below or in front of the brow bar.

Abstract: An eyeglass frame particularly adapted for mounting a safety lens having a straight outer wall circumscribed by a groove is provided. The eyeglass frame includes a T-wire having a centrally disposed rib portion receivable in the lens groove, and a pair of oppositely extending rims flexibly cantilevered from the rib portion. Each of the rims includes a retaining wall that engages opposite ends of the outer wall of the lens in line contact. Each of the retaining walls is tapered relative to the outer wall of the lens so that the retaining walls can flex toward greater surface contact with the outer lens wall in response to hoop stresses generated by a shock to the lens, thereby increasing the amount of shock that the lens can absorb before becoming broken or dislodged from the T-wire of the frame.

Abstract: Spectacles with replaceable lenses comprises a frame constituted by a pair of rims joined together by a central portion or bridge, two temples connected to said frame by connecting members and hinges; means for clasping interchangeable lenses provided at the central portion of said spectacles frame and at said connecting members, each of said clasping means comprising a seat in said central portion adapted for receiving and engaging a first portion of an interchangeable lens and a pliers-shaped device in said connecting members for nipping a second portion of said interchangeable lens.

Abstract: To provide a lens mounting mechanism, a mounting member used for the mechanism, and spectacles using the mechanism, based on a new idea completely different from the conventional art.

Abstract: A pair of eyeglasses having a frame with interchangeable lenses and a method of interchanging the lenses. The frame has a centrally located nosepiece and two end portions. Each lens has a substantially circular aperture adjacent the nosepiece of the frame and a notch adjacent a respective end portion of the frame. The notch fits over a corresponding tang in the frame end to secure the outer portion of the lens while protruding pins on the frame adjacent the nosepiece engage the circular aperture of each lens. A hinged locking mechanism is snapped over that portion of the lens engaging the pins, preventing disengagement of the lenses from the pins. To replace the lenses, the hinged locking mechanism is opened, allowing the lenses to be disengaged from the pins and pulled from the tangs.

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: A frame and lens arrangement for eyeglasses in which the frame has two front recesses respectively disposed in communication with the lens mounting grooves thereof and two pairs of retaining projections respectively bilaterally disposed in the front recesses, and the lenses each have a protruded portion fitting the front recesses and two stop edges at two sides of the protruded portions for friction engagement with the retaining projections.

Abstract: Eyeglasses include a right and a left rim member connected with a bridge. A groove extends from an inside area to an upper and lower areas of each of the rim members, and a lens is inserted in the groove at its inside, upper and lower edges. The lens is slidable laterally outwards to be detached from the rim member and inwards to be fitted therein. Therefore the lens can be easily changed, but not prone to come off inadvertently.

Abstract: Eyeglasses include a right and a left rim member connected with a bridge. A groove extends from an inside area to an upper and lower areas of each of the rim members, and a lens is inserted in the groove at its inside, upper and lower edges. The lens is slidable laterally outwards to be detached from the rim member and inwards to be fitted therein. Therefore the lens can be easily changed, but not prone to come off inadvertently.

Abstract: The invention pertains to an eyeglass frame with lenses that are interchangeable independently of each other, of the type comprising apertures for said lenses connected to each other by a bridge, as well as temples, with each of said apertures being provided at least partially on its circumferences with a groove, characterized in that said apertures are curved and in that each groove presents at least on its circumference a deepest part and a shallowest part.

Abstract: A magnetic shelter frame is adapted for detachably mounting on a primary spectacle frame which includes a frame body having a pair of lens rims for mounting a pair of lenses in position wherein each lens rim includes a frame locker for securely locking up the lens within the respective lens rim. The frame body includes a primary bridge connected between the two lenses and two side extensions provided at two outer sides of the lenses respectively each having a hinge portion rearwardly extended therefrom for pivotally coupling a temple. The shelter frame for supporting two auxiliary lenses includes a bridge extended between the two auxiliary lenses, two side interlocking means provided at two sides of the auxiliary lenses respectively for interlocking with the two frame lockers of the frame body of the primary spectacle frame so as to securely mount the shelter frame in front of the primary spectacle frame.

Abstract: This invention relates to a replaceable eye-protecting lens system for breathing masks that is easy to handle and ensures a firm and safe, i.e. gas-tight fit of the lenses in the body of the mask.

Abstract: This invention refers to a way of producing frames for glasses of different types but all with the characteristic of lacking in weldings and in the hinge that normally joints the frontal with the bars since such a purpose has been absolved by the elasticity of the material. During the same production process also the exhibitor for the point of sale will be realized, thereby reducing costs, times and wastes. Besides, with a couple of spectacle or sun lenses, even if expensive, it will be possible to preserve them, while the frame will be replaced by a different one compatible with the couple of lenses. Frontal, bars and nose pads, that is all the structure of the glasses, are made at the same time from one metallic plate. Through different techniques such as the laser cut, the electric erosion and above all the photo-chemical etching technique, the metallic plate is worked and subsequently is folded up in the suitable way to achieve the definitive shape.

Abstract: The invention relates to spectacles with a wire frame where the frame has a mounting structure for the lenses and two sidepieces connected to the mounting structure by a hinge portion. According to the invention, the mounting structure of the two lenses has loops made in it, each loop being elastically deformable in such a way that it can elastically and temporarily vary the amplitude of the area enclosed by the mounting perimeter of the frame relative to the corresponding edge of the lens so as to facilitate the fitting of the lenses in the frame rims.

Abstract: The present invention relates to an eyeglasses assembly comprising: a frame, two temples and a lens unit. The frame comprises: a transverse rod, a first groove, a second groove, an extension plate, a supporting plate and an arcuate plate. The transverse rod has a middle portion and two ends for connecting to the temples. The middle portion has a flange extending downward. The extension plate is connected to the middle portion and extends downward. The supporting plate is connected to the extension plate. The arcuate plate is connected to the supporting plate and extends downward from the supporting plate. The first groove is formed between the flange and the extension plate. The second groove is formed between the extension plate and the arcuate plate. The lens unit comprises two lenses and a connecting portion for connecting the two lenses. The connecting portion has an arcuate under edge and an upper edge.

Abstract: A glasses' front frame having a V-shaped groove 5 which receives a locking ledge stripe 1c, having a V-shaped cross section, around a circumference of a lens. There are formed a first frictional biting-into protrusion stripe 6a and a second frictional biting-into protrusion stripe 6b, respectively, on a first inclined bottom surface 5a and a second inclined bottom surface 5b defining the V-shaped groove 5. The first and second frictional biting-into protrusion stripes 6a, 6b extend in a direction in which the glasses' front frame extends, locate near upper edges of the first inclined bottom surface 5a and the second inclined bottom surface 5b defining the V-shaped groove 5, and contact a part of a first inclination bottom surface 1a of the locking ledge 1c of the lens 1 and a part of a second inclination bottom surface 1b thereof.

Abstract: The central piece of a full-rim eyeglass frame includes a left full rim (2) for receiving a left lens, a right full rim (4) for receiving a right lens, a bridge (6) joining the two full rims, and two endpieces (8, 10). The two full rims, the bridge and the two endpieces are integrally formed as a single piece, from a plastic. The two full rims (2, 4) are flexible, and are constituted by a closed, elastic band. The central piece of the full-rim frame is assembled into a central piece of a pair of eyeglasses with two lenses, whose outer circumferential lines have somewhat larger dimensions than the inner contour lines of the two full rims, so that the full rims of the central piece of the eyeglasses are stretched around the lenses, and their shape conforms to the shape of the lenses.

Abstract: Sport eyeglasses having removable lenses formed of a one piece plastic molded frame that includes a pair of lens receiving sections, a pair of opposite strap receiving temple sections and a central bridge section integral with the lens receiving sections are described herein. The bridge section is split to define an upper bridge part and a lower bridge part which are capable of being manually distanced from one another so as to define a gap and allowing lenses to be mounted in the lens receiving sections. A fastening element extends through both bridge parts to secure them together once the lenses are installed in the lens receiving sections.

Abstract: A pair of glasses includes a frame including two eyewires. A lens is removably received in each eyewire. A rod is pivotally mounted to a periphery of each eyewire and includes an end that is movable between a first position for retaining an associated lens in an associated eyewire and a second position allowing removal of the associated lens. In an alternative embodiment of the invention, a rod is pivotally mounted between the eyewires and includes two ends. Each end of the rod being movable between a first position for retaining an associated lens in an associated eyewire and a second position allowing removal of the associated lens. At least one protrusion is provided to prevent excessive pivotal movement of the rod.

Abstract: Eyeglasses with lenses easily changeable includes a stop edge formed respectively in an inner wall of two openings of a frame, plural position tabs formed on an upper edge of the inner wall of the openings, and a groove formed in the inner wall opposite to the position tabs. Then two lenses are respectively fitted in each opening and secured by the stop edge, the position tabs and the secure member. The secure member extends from a nose pad and has elasticity to move back and forth so as to press or set free one end of the lens to change it.

Abstract: A unitary structure for an eye covering comprises an outer hard portion chemically bonded to an inner soft portion made by a two-shot process in a single mold.

Abstract: A quick release glasses lens comprises a main frame and lens. The main frame comprises a front rod in arc shape having two legs secured to its two ends, respectively. The center part of the front rod is formed with a clip having recess at its edge, and a trough inside of the recess. The rod further comprises a pair of protuberances at respective sides, each protuberance has a stopper at the front end, the lens have a thickness which is to be fitted into the width of the recess, a hole corresponding to the protuberance, and a protuberance which is to be inserted into the trough of the recess for positioning the lens at place.

Abstract: There is provided a front piece for spectacles, particularly protective spectacles and sport goggles, the front piece for spectacles being adapted for commercialization with a kit of interchangeable lenses in order to adapt for many uses of the spectacles. The front piece for spectacles includes a pair of adjoining rims each formed of inner and outer lateral sides and an interconnecting lower arch having a groove formed in the lateral sides and lower arch for receiving a corresponding lens. The groove is interrupted by a locking pip so that upon bending the front piece slightly a lens can be removed or inserted by articulation with the locking pip. An upper arch is disposed between the lateral sides of the rim and adjacent the plane defined by the groove in the lateral sides and lower arch of the rim. The upper arch may have a design in the form of writing, etc. in relief so as to aerate the lens.

Abstract: A system for attaching optical frames and lenses is described which provides positive, reversible attachment without rims, cords, or screws. The mating is performed with a mechanical closure onto a receiving portion of the lens which has been formed as the mating piece for the closure device. Lenses may be changed and adjusted in a straightforward manner and the resulting device presents a clean, fashionable appearance without the need for structural rims, cords, or screws.

Abstract: Eyewear having easily removable lenses is provided with a frame that defines a first lens receiving recess on one side of a lens opening and a second lens receiving recess on a second side of the lens opening. Each lens has a first tab portion which corresponds with the first recess and a second tab portion which corresponds to the second recess and is mounted by placing the first tab portion in the first recess and the second tab portion in the second recess. Engagement between the respective tab portions and recesses maintains the lenses in the mounted position. To more securely lock each lens in position, a pivot member having a locking tab can be pivoted into a locking position in which the locking tab engages the lens.

Abstract: The present invention relates to eyewear that provides replaceable and/or interchangeable lens for eyewear. The lens and frame set is adapted for the easy replacement and/or interchange of the removable lenses from a front side of the frame. In one embodiment, the lens is further secured into the frame from the front side by a resiliently compressible barrier that must be overcome in order for the lens to be received into and out of the frame. In another embodiment, the lenses are securable into the frame by friction from the front side, the friction arising between a resiliently compressible lens gasket that is attached to the periphery of the lens and an interior surface of the cross section of the bezel of eyepiece of the frame.

Abstract: The central piece of a full-rim eyeglass frame includes a left full rim (2) for receiving a left lens, a right full rim (4) for receiving a right lens, a bridge (6) joining the two full rims, and two endpieces (8, 10). The two full rims, the bridge and the two endpieces are integrally formed as a single piece, from a plastic. The two full rims (2, 4) are flexible, and are constituted by a closed, elastic band. The central piece of the full-rim frame is assembled into a central piece of a pair of eyeglasses with two lenses, whose outer circumferential lines have somewhat larger dimensions than the inner contour lines of the two full rims, so that the full rims of the central piece of the eyeglasses are stretched around the lenses, and their shape conforms to the shape of the lenses.

Abstract: Lens retention in an eyewear having a front frame having continuous rim type right and left eye openings each having a substantially L-shaped cross-section formed of any desired material. A lens having a beveled edge is placed in a respective eye opening with the apex of the bevel abutting the inner surface of the side wall of the eye opening which thereby forms an adhesive trough at the rear surface of the lens. A bead of UV-curable adhesive is applied within the trough which thereby firmly secures the lens within the eye opening.

Abstract: A pair of eyeglasses includes an elongated lens unit, a pair of connectors, and a pair of elongated bows. The lens unit has opposite end portions, each of which has an upright lateral edge formed with a positioning notch and is further formed with a positioning hole spaced apart from the upright lateral edge. Each of the connectors has a base portion, and longer and shorter clamping plates which extend from a front end of the base portion and which cooperatively form a receiving groove therebetween for receiving a respective end portion of the lens unit such that the longer clamping plate abuts against a front side face of the lens unit and such that the shorter clamping plate abuts against a rear side face of the lens unit. The receiving groove is provided with a retaining protrusion therein to engage the positioning notch in the respective end portion.

Abstract: A protective eyeglass assembly for use during sport activities comprises a pair of separate lens frames individually cooperating with a lens holder to secure a pair of lenses therebetween. A detachable nose bridge interconnects the pair of separate lens frames with the lens holder so as to form a unitary eyeglass assembly, easily dismountable for lens replacement due to lens damage or lens prescription.

Abstract: A mono-lens eyeglasses includes a frame, a mono-lens and two temples. The frame has a center opening respectively in two ends, and a long groove in a lower edge for an upper edge of the mono-lens to fit in. The mono-lens has a notch formed respectively in two ends for a front end of each temple to engage in or disengage from by swinging the temple. Then the mono-lens may by removed from the frame and replaced with a new one by swinging the temple with the front end disengaged from the notch of the mono-lens without need of any tools.

Abstract: An eyewear apparatus and method for attaching various eyewear frame components together to form a single front frame unit where the components are formed from different material such as metals and plastics. Right and left eye members define right and left eye openings wherein a pair of lenses are inserted. A bridge component has a central portion with four arms radially extending from the central portion. Lugs are provided at the end of at least two, but preferably all four arms of the bridge component which align with lugs provided on the eye members which extend toward the respective eye opening thereof. Securing members are passed consecutively through each lens and aligned pair of lugs on the eye members and bridge component. A pair of tabbed projections are also provided on the eye members which extend into opposite ends of a channel extending laterally through the central portion of the bridge component, thereby establishing a total of six attachment points between the bridge, eye members and lenses.

Abstract: A pair of ski goggles is disclosed which has unitary upper and lower frame members that are each configured to extend substantially between a user's temples, and each include a pair of end regions. The upper and the lower frame members collectively define an aperture into which a lens is removably received, and the goggles further includes a pair of connectors. Each connector couples a respective one of the end regions on the upper frame member to a corresponding one of the end regions on the lower frame member, and the connectors enable the upper and the lower frame members to move between a closed position, in which the lens is securely engaged between the frame members, and an open position, in which the members are displaced from each other relative to the closed position and at least one of the frame members is free from engagement with the lens, thereby enabling the lens to be selectively removed and replaced.

Abstract: A protective eyeglass assembly includes a frame having left and right lens frame portions, lens receiving apertures in the frame portions, a central bridge portion connecting the frame portions, and left and right temple bars. The eyeglass assembly further includes an integrally formed lens piece which is adapted to be detachably secured to the frame so that a user can interchange the frame and/or replace the lens piece. The lens piece includes left and right lens panels, a central bridge portion connecting the lens panels, left and right side shields, and left and right upper shields. The lens piece is received in assembled relation with the frame with the left and right lens panels aligned in registry with the left and right lens frame portions.

Abstract: An eyeglass protector for protecting the eyeglasses worn by a wearer which includes one-piece flexible band member made of a durable plastic having a center section and two temple sections. The lower surface of the band member rests on the upper surface of the eyeglass frame. A bendable, transparent plastic visor shield for covering both lenses of a pair of eyeglasses is detachably connected to the center section of the band member by a plurality of connecting pin members and a plurality of pin covers. The band member also includes a pair of bracing elements for retaining the band member in a curved configuration.

Abstract: The disclosure is of a lens having a bevelled rim and a frame having a channel for receiving the lens and carrying a bevel which is complementary to the bevel of the lens. The lens also carries on its rim a plurality of wedge-like positioning members which grip the channel of the frame and essentially lock the lens in place so that it cannot rotate.

Abstract: An interchangeable sunglass system includes a frame, a first arm, a second arm, a quick release lens retainer, a soft nose piece, and a tinted lens. The frame has a first end, a second end, a top surface, and a bottom surface. An angled slot is formed in substantially the length of the bottom surface of the frame to accommodate the quick, and easy change of different tinted lenses. The angled slot allows a the tinted lens to angle inward toward the cheek of the user and allow the bottom of the tinted lens to rest close to the cheeks of the user. The first and second arms are pivotally connected to the frame. The quick release lens retainer includes a stem, a first leg, and a second leg. The stem extends downward from the frame. The soft nose piece is sized to be received between the first and second legs of the quick release lens retainer. Both cross sections of the length and the height of the tinted lens have the shape of a curvature.

Abstract: The present invention aims to provide semi-rimless spectacles in which drop and break of a retaining cord suspending a lense are prevented in simple and proper manners and also the simple construction is disclosed therein to assemble the spectacles with easy manual works in the efficient manners. In order to attain this object, the following construction is adopted. The cord ditch is formed in the inner surface of brow material toward its tip end area, while an upper aperture and a lower aperture are drilled through in the cord ditch. The cord end runs through the upper aperture from the inside to the outside and turns through the lower aperure to the inside and then folds back downward to the tip end of the brow material in the cord ditch, while the lens suspension loop portion of the cord running from the cord end is partly inserted into the ditch together with the cord end portion when the lens is fitted into the cord and the brow material.

Abstract: A pair of eyeglasses with a sunshade comprising a sunshade releasably combined with a frame and a plate glass also collapsibly combined with the frame, the sunshade and the plate glass being replaceable to be combined with the frame according to the taste of a user.

Abstract: A frame for eyeglasses has interchangeable lenses in which the lenses are connected to a front element of the frame which is supplied with rigid supports that contain a snap-fitting groove which creates an interference connection. The frame also includes rings on each side which yield elastically in a circumferential direction, and which attach along the peripheral edge of the lenses. The rings are pressed into the supports through elastic interference, in such a way that the lenses are connected structurally to the frame, but can be removed through the action of the snap-fitting connection.

Abstract: Eyeglasses with lenses replaceable comprising a lens frame and a plurality of pairs of lenses to be selectably used and fitted in two lens holes of the lens frame by a user with easiness without need of any tools, each lens hole and each lens having the same shape, each lens hole having a circumferential wedge-shaped ridge to engage exactly with a circumferential wedge-shaped groove of each lens, each lens hole and each lens having a wedge-shape position portion and a nearly-round fitting portion to correspond with each other so that each lens may fit in each lens hole with firm stability.

Abstract: A system for coupling lens to an eyeglass frame includes an eyeglass frame with a lens bridge that comprises a mating wall and a coupling wall. A channel is formed between the walls. The coupling wall is arcuate with a tip that projects towards the mating wall. At least one lens is provided for coupling to the bridge. The lens has a coupling region that extends from a top edge of the lens, along both surfaces, and a distance towards a bottom edge of the lens. A first surface of the lens has a groove that extends across the lens and along a bottom perimeter of the coupling region. The groove includes a recessed cavity configured to receive the tip of the coupling wall, to snap-fit the lens to the bridge. A second surface of the coupling region is configured complementary to an inner surface of the mating wall to frictionally engage the mating wall. The lens is coupled to the bridge by pressing the lens into the channel.

Abstract: A spectacle frame is fabricated by bending a piece of wire. The bends include eyelets or loops which are sized to accept therethrough the threaded shanks of plastic screws, but to stop the screw heads. The screws are passed through the eyelets and threaded into mating threaded holes in plastic lenses to attach the lenses onto the wire.

Abstract: Eyewear frames are provided having a pair of interchangeable lenses wherein each lens has a pair of oppositely disposed sidewardly extending projections. The distal projections fit within recess areas on the distal ends of the top frame and proximate projections are locked into place over the nose area by a movable nose bridge.

Abstract: A protective eyewear including a brow member, two temple arm members, a front lens and two side shields. The front lens is removably attached to the brow member within a channel formed therein. The lens includes a series of projections adjacent one edge thereof and the brow member including a corresponding series of slots opening into the channel. The projections on the lens are engaged within the slots in the brow member to lock the lens within the brow channel. The side shields are attached to the corresponding temple arm members by means of at least one projecting hub which is engaged within the temple arm. The nub preferably includes a central opening. The temple arm is molded to the side shield such that the temple arm material fills the central opening and engages the hub to lock the side shield in position. The eyewear provides a removable lens and also forms a protective structure that meets the eyewear impact resistance standards.

Abstract: A multi-combination sunglasses assembly having a one-piece sunglasses lens, an elongated lens support frame, left and right temple members, and hinge members for detachably securing the temple members to the respective left and right ends of the lens support frame. The temple members are designed so that they can be adjusted for different sized heads while maintaining the ability to positively secure them to the wearer's head. One version has flexible temple members that have hook and loop fastening material secured to their ends so that they may be wrapped entirely around the wearer's head. A second version has adjustable temple members having a bendable ear engaging portion. The nose-pad assembly has structure that allows the sunglasses to be adjusted vertically to suit different shaped faces.