Abstract: A spectacle frame comprises a pair of plastic rim members suitable for containing individual lenses therein and formed in an open ring-like shape, each of the rim members having at the ends of the open ring thereof a pair of coupling portions in which the rim members are closed by the coupling portions being coupled to each other, a pair of temple members, and fastening means provided to fasten the coupling portions to each of the rim members. The fastening means includes a metal member having one end provided with an internal thread and the other end provided with a hinge piece coupled to one of the pair of temple members, a portion of the metal member including the one end being embedded in one of the coupling portions, and a male screw threadably engaged with the internal thread through the other of the coupling portions.

Abstract: A clip body having a pair of vertical tabs, arranged in parallel facing relationship and having a transverse pin is employed as an attachment member for a temple bracket or hinge bracket connecting an earpiece to a plastic eyeglass frame. The clip is molded in situ together with the formation of the plastic frame, so that the plastic material embeds the clip and especially the pin.

Abstract: Disclosed is an eyeglass frame and method of assembling the same in which a temple includes a pair of parallel ears which extend from one end of the temple. Each ear includes a pin receiving hole, and on the facing surfaces of the ears, a ramped slot extends from the hole to one of the side surfaces. The depth of the slot increases as it approaches the side surface. The lens supporting structure includes a single extension member with a pin supporting hole. The pin is inserted into this hole, and the lens supporting structure and temple are brought together so that the two ends of the pin are aligned with the two slots on the temple. As the temple and the lens supporting structure are urged toward one another, the ears of the temple are forced apart by the ends of the pin until the pin reaches the pin receiving hole at which point the ends fall into the hole.

Abstract: This invention relates to a bow and spring hinge assembly for eyeglasses, in which each bow can be opened beyond a stop-defined position so that the bow can resiliently bear on the head of the wearer. The novel assembly can be used also with slender and thin bows and provides for a transverse bracing for eliminating a transverse backlash between relatively slidable parts. For this reason the assembly is provided in the slider and in the bow end portion with recesses, which face each other and each of which is provided on opposite sides with inwardly facing track grooves, and I-section members are provided, each of which is in sliding contact with the track grooves of both said recesses so that said I-section members hold said bow end portion and said slider together against a transverse separation.

Abstract: This invention relates to a spring-biased hinge assembly for spectacles. The hinge assembly comprises a bow-side section defining a cavity, and a slider, which carries a bow-side hinge element and extends into the cavity and is adapted to be extended from said cavity against spring action. The bow-side hinge element cooperates with the midportion-side hinge element. The hinge assembly should be slender and should be accommodated to a large extent in the end portion of the bow. For this purpose, the cavity is defined by a flat tubular element, in which a tongue of the slider is slidably mounted. The tongue has a longitudinal slot, in which the return spring extends, which engages an abutment that extends into the wall of the tubular member and through said slot.

Abstract: A spectacle frame having two interconnected parts (for example, the front and one of the side pieces or the two portions of the bridge of the front or the two portions of one of the side pieces in the case of a foldable frame) which are pivotable relative to each other between a folded, mutually closed position and a mutually open position by means of a resilient hinge mechanism including a rolling body cooperating under the action of resilient biassing means associated with one of the parts of the frame, with a cam member associated with the other part of the frame to allow limited and definable sprung angular displacements of the two parts of the frame with respect to a stable mutually open position. The resilient biassing means include at least one flexion spring anchored to the respective part of the frame and defining a seat for the lateral containment and centering of the rolling member.

Abstract: Eyeglass frames are produced from reinforced plastic (synthetic resin) material in the form of plastic plates which are provided with a groove of predetermined configuration receiving a metallic reinforcing blade. When the groove is sealed, the blade extends across a bridge piece adapted to the position above the bridge of the nose of the user and around windows receiving lenses for the eyeglasses.

Abstract: The method comprises the steps of making a hinge by using conventional materials and treatments and applying, on the edge of the hinge provided for contacting and biassing a ball member, one or more cup members, made of a hard metal material and effective to provide a cam profile configuration.

Abstract: Eyeglasses have a quick disconnect unit including temples insertable through apertures in the frame and detachably affixed thereto by a sleeve mounted on the portion of the temple extending beyond the frame. Earpieces could be detachably maintained to the stem part of the temple by a mated sleeve connection. A temple to frame hinge is provided by a flexible tubular material.

Abstract: A hinge for the temple piece of an eyeglass frame that uses two hinge members that assemble with each from the side, thus facilitating achieving an interfitting relation with each other, and in which an extension of the stationary hinge member projects into a notch of the pivotally movable hinge member to contribute to the strength of the hinge and also functioning as a stop for the pivotal traverse thereof.

Abstract: A pair of spectacles, preferably in the form of a card bearing advertising, decorative or promotional material, has a channel formed in the frame and receiving a pair of temples which can be retracted and swung into a position in which they lie transverse to the frame to bring them into the position of use.

Abstract: The hinge comprises an elastic return mechanism (8, 12, 13) for the side (5) towards its normal open position, said mechanism being positioned concentrically in the side (5).The elastic return mechanism comprises an envelope (8) which abuts against a spring (12) positioned inside an external casing (13) which is able to slide on the envelope (8).Beyond the normal open position, this casing moves back while sliding around the envelope (8) and causes compression of the spring (12).The envelope (8) which is integrated with the side (5) directly abuts against the spring (12), or a stopping member (16) is interposed between the envelope (8) and the spring (12), this member (16) being integrated with the side (5).

Abstract: The present invention provides an improved assembly for rotatably connecting temple members of protective visitor spectacles to a lens body. First and second means for rotatably connecting each temple member to the lens body of the rotation between open and closed positions are provided. The first means connects the top portion of the side rim of the lens body with the upper portion of the first edge of a wrap-around side-shield of the temple member via a pair of flanges provided with a pin and hole. The second means connects the bottom portion of the side rim of the lens body with the lower portion of the front edge of the side shield. The second means includes an upwardly projecting hook member connected to the side rim of the lens body engaging a recess found along the bottom edge of the side shield. The hook member rotates in the recess and exerts an upward pressure against the temple member keeping the temple member engaged at the first connecting means.

Abstract: The invention is for an improved hinge for pivotably connecting an eyeglass temple piece to an eyeglass frame, which permits a stable positioning of the temple piece in a folded or closed position in order to conveniently store the eyeglasses and a stable positioning of the temple piece into a normal open position for wearer use of the frame and which permits still further elastic movement of the temple piece beyond the normal open position without damage to the frames or hinge. The improved hinge includes a rod-shaped slide which is slideably mounted in a seat provided in the end portion of the temple piece and which protrudes from the seat. A hole is formed in the slide which extends coaxially in the slide over a predetermined depth from its protruding end. A slot is formed in the slide which extends longitudinally in the slide over a predetermined length from its protruding end. The predetermined length of the slot is less than the depth of the hole in the slide and the slot debouches in that hole.

Abstract: An eyeglass assembly having removable temple pieces. A spring arm has on one end a hinge pin and on the other end means for mounting the arm on the temple piece. The arm is shiftable between an advanced position wherein the pin unites the knuckles to form a hinged connection, thereby attaching the temple pieces to the front frame piece, and a retracted position wherein the pin is removed from the knuckles. This detaches the temple pieces from the front frame piece and enables use of the latter separately, for example, in a gas mask where the temple pieces would interfere with the proper placement of the mask.

Abstract: A line adjusting and locking device is disclosed for adjusting and locking individual suspension lines of an eyeglass mounting assembly of the type which, instead of temple pieces, has a pair of flexible suspension lines attaching ear pieces of the glasses to the respective lenses. The adjusting and locking device includes a slotted member attached to each earpiece wherein a slot accommodates one pair of the suspension lines. After lengthwise adjustment of the individual lines, the lines are wrapped around the slotted member, preferably in a plurality of revolutions, and a locking cap member is press-fitted on the lines and the slotted member to lock the adjusting device.

Abstract: This invention relates to a spectacle frame having metal or plastic bows, which can be forced open beyond their normal open position to bear resiliently on the head of the wearer. Each bow is connected to the rim of the spectacle frame by a hinge, which includes a bow-side part and a rim-side part. The hinge includes a spring mechanism, which at least in a plastic bow can be almost entirely or entirely accommodated. The hinge should be adapted to be used with metal bows in such a manner that only flat portions of the hinge protrude on the inside of the bow so that the bow will be flat and free from protruding hinge portions on the inside, which faces the face of the wearer.

Abstract: The spectacle hinge comprises two parts (3) and (4) in order to insure pivoting of the arm (1) on the frame (2). An intermediate part (5) is fixed on the part (3) by means of a screw (6) and includes a portion (11) forming a cam for engagement with an elastic element (12) of the part (4). The part (4) is pivoted on the part (5) by a screw 10' passing through a hole (10). By removing the intermediate part (5) a standard hinge can be pivotally connected to part (3) in order to provide a standard hinge, that is one which does not utilize elastic means.

Abstract: There is disclosed a spreadable bar for eyeglass frames provided with a spring hinge, this latter being fixed to the bar and including a guiding and hinging portion fixed to the eyeglass frame, wherein the guiding and hinging portion is made from a flexible material and at least another portion of the hinge, i.e. the hinge covering portion or casing is made from a synthetic material, such as nylon, polyamide resins, possibly filled with fiberglass and the like.

Abstract: The invention relates to an improvement in hinge elements for spectacles, constituted by three elements, of which the first two elements, respectively fast with the front of the spectacle frame and with one of the sides thereof, comprise a male tenon element engaged in a female mortise element, said elements being connected together by a third element constituted by a hinge pin. One of the first two elements of the hinge presents a housing in which is disposed an elastic member which exerts an axially directed braking force acting between the first two elements of the hinge. The invention is used for making hinge elements for spectacles.

Abstract: A metal hinge for children's eyeglasses has a first hinge half connected to the temporal region of the lens bow and a second hinge half connected to the temple of the frame. To reduce the harmful effects when children's glasses are knocked about, one of the hinge halves is covered with a homogeneous silicone body which has a Shore D-hardness of between 10 to 30, measured by DIN 53505. The silicone body at least partially extends over the other hinge half.

Abstract: A metal frame for eyeglasses is provided which includes a pair of rims, each of which is configured to surround and support an eyeglass lens, and a locking bar secured to each of the rims. The locking bar and the rim to which it is secured are separated by a separation slot so as to divide the rim and the bar into first and second rim portions and first and second locking bar segments respectively. A jacket having an internally threaded bore is coupled to the first locking bar segment to prevent movement thereof relative to the first locking bar segment towards the second locking bar segment, and a locking bar screw is detachably coupled to the second locking bar segment and is in threaded engagement with the bore of the jacket.

Abstract: A spectacle frame and method for providing eye protection during extreme physical activity through use of a spectacle frame comprising in combination rim means defining a pair of side-by-side viewing windows and having a recessed contoured bridge therebetween, temple yoke support means pivotally mounted to said rim means above and below each viewing window, and an expandable strap securing means connected to said temple yokes by means of slidable connector means which allow slidable adjustment of the angle of tilt of said frame relative to a wearer's face. In the preferred spectacle, the frame has a biconcave recessed bridge and the temple yokes are apertured to detachably mount on said rim means by snapping over temple pivot posts projecting upwardly and downwardly on said frame rim.

Abstract: An optical frame has a lens bow and two temples connected via a hinge joint on the lens bow, with the temple having a stop surface to contact the lens bow. An elastic cushion is arranged between the stop face surface of the temple and the lens bow. The cushion comprises a base plate and a portion extending from the end of the base plate at an angle of less than 90 degrees.

Abstract: An eyeglass frame having open ended rims closed by screw assemblies for clamping lenses therein is disclosed. Each screw assembly comprises a machine screw having a head which defines a bearing surface, a nut threadedly engageable with the threaded shank of the screw, and integrally formed with a lug at one end of the open rim, and an insert member integrally formed with a lug at the other end of the open rim and having a cooperable bearing surface. Dog clutches are formed on the bearing surfaces and preferably comprise alternating projecting portions and recesses in an annular array. The dog clutches normally prevent loosening of the screw assembly by limiting the degree of relative angular displacement between the bearing surfaces, but the gap between the lugs and the resilience of the rims permits unscrewing of the assembly to remove the lens without damaging any of the parts of the assembly.

Abstract: The hinge members are intended for use in injection-molded spectacle rims of plastic material. An eyelet portion has a base section and a body section formed with a bearing aperture. An anchoring portion is adapted to be fixed in a mold used to make the rim by injection molding and to embed the anchoring portion in the rim. The anchoring portion has a first section, which adjoins the base section and is larger in axial thickness than the base section to form a first shoulder, and a second section, which adjoins the first section and is larger in axial thickness than the first section to form a second shoulder. At least part of the second section tapers toward the base section. The first shoulder is adapted to constitute a sealing surface when the anchoring portion is thus fixed in said mold.

Abstract: An eyeglass frame comprising two lens rings and two temples, the frame being supported and reinforced at the point of engagement of the temples and the lens rings by a loop or series of loops extending from the side of the eyeglass frame. The loop or loops that contact the outside portion of the temples is rigid enough to support and reinforce the junction of the lens ring and temple yet is pliable enough when heated to allow adjustment of the eyeglass frame to comfortably fit a wearer.

Abstract: This invention discloses a bow and hinge mounting assembly for pivotally securing a bow to an eyeglasses frame having a upper frame portion and a lower frame portion. In one embodiment of this invention, a single mounting screw is used to secure the upper portion of the eyeglasses frame to the lower portion of the frame and to pivotally mount the bow to the eyeglasses frame. The lower portion of the eyeglasses frame has a lower mounting plate that protrudes outward therefrom. A mounting pin rigidly secured to the lower mounting plate is arranged to pivotally engage a hole in the mounting portion of the bow. The bow is kept in place on the mounting pin by means of a upper retaining plate. This plate protrudes outward from the upper portion of the eyeglasses frame and is arranged to contact the top of the mounting pin to thereby retain the bow in place upon the mounting pin.

Abstract: These eyeglasses consist primarily of a frame, in the bridge portion of which, is a cylindrical magnet that is received within a sleeve of ferrous metal. The sleeve structure includes a flat connecting member, which is rigidly secured to a lens supporting member, so as to enable the wearer to pivot the lenses upward, or downward, as desired.

Abstract: A metallic spectacle frame having each of its eyes split to accomodate a lens is provided with hinge assemblies each of which including a T-bar member that extends through the frame to the front side thereof. The portion of the T-bar member disposed on the front side of the frame forms a plaque which adds structural support to the frame as well as conceals the slit in the frame. The plaque extends around the side of the frame and abuts against a temple. A slot formed in the bridge of the frame is adapted to receive a nose pad assembly which is retained by a set screw extending into the frame from the back side thereof. A pair of notches are formed adjacent the slot to receive respective posts of the nose pad assembly to ensure proper orientation of the assembly. The nose pad assembly may comprise a rocker arm with individual nose pads, a single piece saddle bridge or some variant thereof.

Abstract: A hinge for connecting a temple to a spectacles frame front. One component of the hinge includes a metal fastening plate with spaced laterally extending ears forming a pair of hinge leaves between which an insert of plastic material is fitted. The insert covers innermost facing surfaces of the metal ears and is itself provided with an ear which forms an intermediate non-metallic leaf of the hinge component. When leaves of the one hinge component are interfitted with leaves of an all metal second hinge component, the resulting plastic-to-metal bearing surfaces afford smooth pivoting action with provision for tightening against drop temple.

Abstract: There is described an eyeglass frame including a molded plastic lens having an integral hinge socket removably receiving a forwardly extending hinge portion of a unitary molded plastic temple member.

Abstract: In a hinge for a spectacle frame comprising a stationary member having interconnecting elements projected therefrom, a swingable member having interconnecting elements projected therefrom, and a machine screw passing through the respective interconnecting elements, bushes are interposed between the machine screw and the interconnecting elements of the stationary member through which the machine screw passes.

Abstract: Spectacle frames comprise substantially flat front part holding the lenses, hinges lying between the front and rear surfaces of the front part and connecting to thin flexible metal temples terminating in thickened ear pieces. Means are provided for holding the temples flat against the front part of the spectacles when they are in folded position.

Abstract: A spectacle frame comprising the main or lens receiving body, two temples and an articulate connecting device for pivotally connecting between each end of said main body and one end of each of said temples, said articulate connecting device comprising one half portion associated with said main body and the other half portion associated with said temple, said one half portion including parts embedded in the main body and pivot support means and said other half portion including a washer member received and held in a recess formed in said temple and an adjustable holding-down member having a recess receiving said pivot support means and adjustably secured to said washer member.

Abstract: Eyeglass frame structure comprising a lens receiving or bow portion having a pair of oppositely disposed temple or earpiece members hingedly secured at the opposite ends thereof, said lens receiving portion being provided with a transversely separable nose bridge element for facilitating installing of a lens member in the eyeglass frame, each of said earpiece members being of an adjustable length, and each earpiece member hingedly secured to the lens receiving portion for adjustment of the planar orientation of the lens receiving portion with respect to the earpiece axis in both lateral and transverse directions.

Abstract: A resilient hinge for a pair of spectacles comprises a first part fixed to the spectacle frame and a second part hinged on the first part. The second part is extended by a cylindrical tube on which is slidably mounted a cylindrical sleeve to which an arm is fixed. A transverse pin fixed in the sleeve passes through opposed slots in the tube to angularly fix the sleeve on the tube. A spring in the tube urges a yoke-shaped stud against said pin to bias said tube, relative to said sleeve, towards the free end of the arm. Angular positioning of the tube and sleeve can be provided by cooperating longitudinal ribs.

Abstract: A hinge portion of a spectacle frame of generally lightweight construction is provided with essentially thin and limited vision obstructing side pieces. The hinge comprises a cam bearing flat metallic component fixedly secured to the respective side end of the front piece of the frame, and a subassembly comprising a ball-shaped cam follower and a spring urging the follower against the cam, the follower and the spring being guidedly housed in an axial bore provided in an elongated metallic body secured to a metallic side piece or to a metallic core of a lightweight side piece, forming the fore and hinge portion of the side piece and a part of an unitary metallic external structure therefor.

Abstract: There is described an eyeglass frame having a molded plastic lens frame which forms one element of each of the hinge assemblies having a vertical axis which connect the temples to the lens frame, which temples are pivotally adjustable about a horizontal axis.

Abstract: A spectacle structure having a plurality of flexible portions formed in head engaging components thereof is disclosed wherein the flexible portions permit unidirectional bending of the head engaging components of the spectacle structure to thereby conform to and exert inwardly directed pressures on the head of the person to support the spectacle structure thereon, said spectacle structure engaging the head portions for support with an absence of support by the nose or ears. The spectacle structure includes lens means depending from a front frame member and a pair of elongated temple members hingedly connected to respective opposite end portions of the front frame member. The head engaging components of the spectacle structure are of a combined length such that one of the temple members is in crossing and overlying relation with the other of the temple members when in an open and relaxed position.

Abstract: A lens frame is split to afford mounting of the lens therein and a front hinge is attached to the split ends for mounting the temple. A pin aligns the split ends of the frame and the front hinge parts which affords numerous advantages of strength as well as alignment.

Abstract: A pair of eyeglasses is provided with a mechanism on the nose bridge making it possible to turn one of the glasses around. A side piece attached thereto turns over together with said one glass, with the result that both of the sidepieces will be disposed over the glasses on both sides so as to protect the glasses from impact and the like.