Abstract: Spheric joint or spherical hinge (30; 130) for coupling together two members that are spatially orientable relative to each other, in which a head (84; 184) of the first member (80; 180) is retained in an accommodation (46; 146) of the second member (40; 140) by at least four points of contact located on a spherical surface according to the vertices of a pyramid containing the centre thereof, about which said head (84; 184) is adapted to rotate without translating. The hinge is characterized in that said accommodation (46; 146) or said head (84; 184) has a projecting boss (52; 152) confined in a gap (85; 186) of said head (84; 184) or said accommodation (46; 146), said gap (85; 186) having at least two consecutive distinct spaces (85a, 85b; 187, 188) that define a travelling path (85; 186) for said boss (52; 152).

Abstract: An elastic hinge for spectacle frame comprises: a endpiece comprising two parallel flanges holding a hinge axis, a case comprising a longitudinal housing comprising a guiding area, a slide arranged in the housing, comprising a salient part spreading outside the housing and maintained in sandwich between both flanges by the hinge axis and a guided part interacting with the guiding area, and elastic means for returning the slide to a position retracted towards the interior of the housing, at least a prominence not performing the guiding of the slide and spreading out from the case to insert between both flanges, in order to ensure a direct mechanical coupling between the case and the endpiece.

Abstract: The invention relates to a spectacle frame with a rim (1) and with one temple (2) each left and right of it hinged to a connecting element (6) of the rim (1). The temple (2), at its mount proximal end, is provided with three leaf springs (3, 4, 5). The two outer leaf springs (3, 4) comprise hinge elements (10) with which hinge elements (9) of the connecting element (6) interact, thereby forming a swivel joint. When the temple (2) is folded in, the outer leaf springs (3, 4) of the temple (2) are displaced outward from the plane of the connecting element (6) via an abutment (11) of the connecting element (6) for the center leaf spring (5) of the temple (2).

Abstract: A hinge assembly is provided for connecting the temple of an eyeglass to a lens support assembly. The hinge assembly comprises a cam member with a pair of oppositely directed cam surfaces disposed in orthogonal planes. The assembly also comprises a pair of pivots extending normal to respective ones of the planes and defining orthogonal pivot axes for relative movement between the cam member and the main frame and the temple respectively. The hinge has a pair of followers, each associated with a respective one of the cam surfaces; and a pair of biasing members acting on the followers to maintain the followers in contact with the cam surfaces. An eyeglass comprising the hinge assembly is also provided. The hinge assembly allows a compound movement between the main frame and the temple that can accommodate the abnormal loading that might be placed on the eyeglasses.

Abstract: An electrically weldable spring hinge comprising a housing, a recess in the housing, an outside of the housing, at least one welding projection on the outside of the housing and arranged in a region of the housing to which forces are applied during a welding operation on the housing and on the at least one welding projection. A hinge part is inserted into the recess. A spring element is inserted into the recess and is positioned and shaped to interact with the hinge element. The spring element comprises a supporting body, which is inserted into the recess including in a region of the housing at which a welding projection is provided on the outside of the housing, to support the housing in the region of the welding projection during a welding operation, and the spring element forms a supporting body for the housing at the projection.

Abstract: A revolving structure for a glasses part for revolving a second member relative to a first member is provided with a rotational shaft provided on the first member and a cylindrical member with elasticity which is fitted on the rotational shaft externally, where the cylindrical member is fitted on the second member in a state that the cylindrical member is pressed by a pressing member and is not rotated, even if the rotational shaft of the first member is rotated. The second member has a groove portion a in which the cylindrical member is fitted and an arc face for contact with a circumferential face of the cylindrical member is formed on the groove portion. Accordingly, a revolving structure for a glasses part where when a rotational shaft is rotated, sufficient frictional resistant force is provided and entrance of dust or the like is prevented.

Abstract: The invention relates to an elastic hinge element (60) for a spectacle frame, comprising a body (10) consisting of a housing (11) comprising a guiding area (12) and at least one cavity comprising a retaining partition, a slide (20) fitted in the housing and comprising a guided part (22), a center part and a rod, a spring (40) for returning the slide to a rest position, mounted around the rod, and a bushing (30) forming a front stop for the spring. According to the invention, the cavity comprising the retaining partition is located in the guiding area (12) and opens out therein, and the guided part (22) of the slide comprises a recess into which an elastic tab (32) of the slide extends. Advantage: creation of a short-length hinge element.

Abstract: The present invention relates to an eyeglasses with one arm on the left and on the right side and with on each side one connector element of a mount, where on the connector element joint elements are positioned which work together with joint elements positioned on the end of the arm close to the mount, forming a rotary joint. The arm has on its end close to the mount at least two fingers in its longitudinal direction, which exert a spring action in the direction of the joint axis of the rotary joint.

Abstract: A spectacle has a body and two hinges. The body includes a frame, at least one glass and two temples. The temples are pivotally and respectively connected to the frame, and each temple has a hinge hole define through the temple. The hinges are held respectively in the hinge holes in the temples and are mounted between frame and the temples to respectively pivotally connect the temples to the frame. Each hinge has a base, a securing member and a connecting rod. The base has a bottom and an annular hooking groove defined around the base. The securing member is moveably mounted in the base and engages with the hinge hole in a corresponding one of the temples. The connecting rod is connected to the body and has a C-shaped hook detachably hooking around the hooking groove in the base.

Abstract: A spring hinge for eyeglasses: the glasses including a central part and side pieces, a hinge element comprising at least one hinge eyelet, a spring device interacting with the hinge element, a housing containing a cavity which at least partially accommodates the spring device and the hinge element. The hinge element is arranged in a displaceable manner within the housing. A guide region for the hinge element, and at least one section of the guide region can be arranged outside the cavity.

Abstract: Side arm for glasses structured for the reduction of clearance and with a highly slideable carriage, essentially including a small box, associated to the side arm by welding and preassembly. Two springs are housed on the inside the springs on one side having the end in abutment on the bottom of the small box and on the other side being arranged in abutment of the end of a tie-rod/carriage, with respect to which one is arranged adjacently per side. A tie-rod/carriage is substantially T-shaped presenting the anterior end, provided with a convenient articulation hinged to a corresponding nose provided on the frame of the glasses and in which at least one clearance compensation element is interposed between the bottom of the internal seat of the small box and the profile of the portion of tie-rod/carriage facing the bottom of the internal seat of the small box.

Abstract: A hinge for eyeglasses includes a hinge block for attachment to a lens frame of the eyeglasses. The hinge block has an aperture and a slot extending from the aperture. A hinge pin is attached to an arm of the eyeglasses. The hinge pin is pivotally received by the aperture and has a radially extending leg that is sized and shaped to pass within the slot upon attachment of the hinge pin to the hinge block to enable quick release when desired.

Abstract: A pair of eyeglasses include two rims, and two temples; each rim has a cavity, a spring held in the cavity, and a holding element positioned partially in the cavity to cover the spring and having a pressing portion; each temple has a protruding portion, which has a locating concavity, and a position holding portion; the temples are pivoted to the rims with the holding elements being pressed against the protruding portions at the pressing portions; the temples will be held in position with the holding elements being pressed against the locating concavities when they are in the in-use position; the temples will be held in position with the holding elements being pressed against the position holding portions when they are in the not-in-use position; the holding elements will snap onto the locating concavities in a perceptible manner as soon as the temples are pivoted to the in-use position.

Abstract: A spring hinge for spectacles is described having a hinge part (1) guided displaceably in a bow-side housing (2) in the bow longitudinal direction and having a U-shaped sliding part (4), which projects from the hinge part (1) in the displacement direction and engages in a housing recess (3), and which receives a coiled spring (14) between its two legs (6), whose hinge-side end is supported on a buttress (13) belonging to the housing (2) and whose diametrically opposite end is supported on the web (5) connecting the two legs (6) of the U-shaped sliding part (4), the hinge part (1) having the sliding part (4) comprising a passage opening (16) running in the longitudinal direction of the coiled spring (14). In order to achieve advantageous construction conditions, it is suggested that the buttress (13) be screwed through the passage opening (16) of the hinge part (1) running coaxially to the coiled spring (14) into a female thread (11) of the housing (2) which is coaxial to the coiled spring (14).

Abstract: A spring hinge for spectacles having a center piece and side pieces fitted pivotably thereto is proposed, having a spring element cooperating with said side pieces, a housing having a recess receiving the hinge element and the spring element, within which housing the hinge element is displaceably disposed, and having a locking body disposed in the recess, the locking body having a receiving region and the housing having a deformation region which is displaceable into the receiving region. The spring hinge is characterized in that the receiving region is configured such that the locking body, and hence the hinge element, is prevented from being twisted and from being pulled out of the recess.

Abstract: The present application disclosed various embodiments of kinematic optical mounts which include a first body member having at least one hinge extension defining at least one hinge passage extending therefrom and a mount surface configured to receive at least one optical component thereon, one or more positioning registers formed on the hinge extension, a second body member having a hinge recess sized to receive the hinge extension therein and at least one coupling body, one or more positioning elements in communication with the second body member and configured to be force biased to engage the positioning registers, and at least one biasing member configured to apply a constant biasing force to one or more hinge bearing members, thereby forcing the bearing members engage at least one bearing engaging member in communication with the second body member thereby coupling the first body member to the second body member.

Abstract: A novel hinge assembly for eyeglasses is provided wherein a first structural member for the hinge structure is formed in a first molding step and a second structural member of the hinge structure is formed directly over a portion of the first structural member in a second molding step. The present invention utilizes in-mold-assembly techniques to reduce the assembly steps required to form such a hinge assembly while further resulting in a hinge assembly that has increased adjustability and utility. Specifically, the overmolded components form a ball and socket type joint allowing a large degree of lateral rotation in one direction and a limited amount of freedom in a second direction. This hinge allows the temple portion of the eyeglasses to be folded against the brow bar and the inclination angle between the temples and the brow bar to be adjusted.

Abstract: Disclosed is a recessed hinge to make a temple elastic with respect to a respective end piece of a frame of a pair of spectacles. The hinge includes at least a male hinging element pivoted to at least a corresponding female element. The male hinging element includes at least a tie-rod able to slide with respect to the temple, a bushing arranged inside the temple and axially associated with the tie-rod, and an elastic means loaded between the bushing and an abutment element attached to the tie-rod. The female element includes a seating made in the end piece by removing material. The male hinging element also includes a hook element, solid with the tie-rod, housed in the seating, which articulates on a pin arranged inside the seating.

Abstract: A magnetic hinge system includes a first hinge member associated with a first object, such as the frame of a primary eyewear, and having outwardly-facing facets. A second hinge member is attached to second object, such as a secondary eyewear, and defines a slot having inwardly-facing facets configured to overlie less than all of the outwardly facing facets of the first hinge member. At least some of the facets are magnetized or include magnets to couple the second hinge member to the first hinge member, and permit selective segmented rotation relative to one another. The second hinge member may also define a second slot configured for insertion of a portion of the secondary eyewear therein. A track may be used for supporting at least one hinge member, and provide attachment to a bill of a visor or hat.

Abstract: A spectacle frame comprises at least one lens engaging frame member and a pair of temple members. An end piece of a temple member is pivotally connected with an end piece of the frame member by a hinge assembly (5) comprising relatively short, elongate first and second hinge members (6, 7) pivotally interconnected to confine relative movement of the hinge members substantially to rotational movement about a single axis of rotation. Frame members comprising wire pieces (2, 3) framing upper and lower rims of the lenses (1) form outside each of said peripheral lens edges two wire end pieces (2a, 3a) for connection with said first hinge member (6), whereas each temple member (4) comprises two interconnected wire pieces (4a, 4b) extending side by side to provide a cross-sectional profile of the temple member substantially in shape of the digit 8.

Abstract: An eyeglasses assembly includes a lens frame and two eyeglass temples. The lens frame have two mounting seats provided at left and right ends, respectively. Each mounting seat has a pivot hole. Each eyeglass temple includes a coupling portion mounted pivotally to a respective one of the mounting seats. The coupling portion includes two resilient legs, and a curved pivot part disposed between the resilient legs and extending pivotally through the pivot hole in the respective one of the mounting seats. The resilient legs abut against outer faces of the mounting seats when the eyeglass temples are unfolded, and bias the curved pivot parts to move inward and limit outward movements of the eyeglass temples.

Abstract: An eyeglasses assembly includes an eyeglasses frame, two elastic members and a pair of temples. The eyeglasses frame is provided with a vertical through hole, an inserting hole and a pair of opposite screw holes at each hinge. Each elastic member is made of highly elastic material and provided with two opposite barbs and a notch formed between two barbs. Each temple is provided with a protruding portion at the front end, and a screw hole is provided in each protruding portion.

Abstract: A novel eyeglasses frame allowing sizing, assembly and disassembly without the need for special training, screws, bolts, or pins, or special tools.

Abstract: An improved screw-less hinge structure for assembling spectacles, particularly for, but not by way of limitation to, children's sunglasses, each comprising a spectacle frame (20) containing a finger-shaped fitting member (22) with a disc-shaped fitting void (24) affixed to one end of the frame (20), mating with a respective arm (26) having a coupling member (28) comprised of a finger-shaped upper segment (28A) with an upper disc-shaped void (30A) that is vertically aligned with a finger-shaped lower segment (28B) with a lower disc-shaped void (30B) affixed to one end of the arm (26), and a loop-like fastener (32) with a self-locking manner that reduces the risk of the loss of crucial parts. The predetermined positions of the fitting void (24), upper void (30A), and lower void (30B) vertically align to create a shaft (40) necessary to house the fastener (32) securely. The assembled hinge structure (FIG.

Abstract: The disposable safety eyewear has a lens portion having a bridge portion and a nose support thereon. Left and right temple bars are connected to the lens portion by living hinges. The living hinges are operable between an open position and a folded position. Mating formations secure the living hinges in its respective folded position.

Abstract: An eyeglass temple assembly includes a connector rod having a hooked end, a temple shaft having a rod-disposing compartment with an open end for extension of the connector rod therethrough and into the rod-disposing compartment, a positioning component received fittingly in the open end of the rod-disposing compartment and having an opening for extension of the connector rod therethrough, a rod-connecting component disposed in the rod-disposing compartment, coupled to the hooked end of the connector rod, and including a block body having opposite first and second sides, and an urging member disposed in the rod-disposing compartment, sleeved around the connector rod, and having two ends that abut respectively against the positioning component and the first side of the block body of the rod-connecting component.

Abstract: A spectacle frame includes sliding hinges which enable the arms to move from a stable open position, in which the end (306) of the arms is parallel to the end (313) of the endpiece (307), to an unstable wide-open position, by pivoting around a support point (311) belonging to a coincidence plane (P,P?) which passes between the knuckles (C1, C2) of the hinges. The frame, which has a plane of symmetry (X,X?), is characterised in that the support point (311) is located closer to the plane of symmetry (X,X?) of the frame than the outer face (309) of the arms at the coincidence plane (P, P?).

Abstract: Eyeglasses comprises a face and temple. The face has an outer surface including an outer edge. The face also has a first end portion and a first lens opening. The outer edge being proximate to the first end portion. The temple has a portion defining an inner surface. The temple is pivotably coupled to the first end portion of the face. The temple is movable between a folded configuration and an unfolded configuration so that the inner surface of the temple portion can move over the outer edge of the face without obstruction.

Abstract: A temple assembly for a pair of glasses includes a temple, a pivotal member, a positioning member, a bolt mounted in a receptacle of the temple for retaining the positioning member, and an elastic element mounted in the receptacle and between the positioning member and a head of the bolt. An end of the pivotal member is pivotally connected to an end of a frame of a pair of glasses. The other end of the pivotal member is mounted in the receptacle of the temple and has a reduced section. The positioning member is mounted to the second end of the pivotal member and includes a peripheral edge that is deformed and in tight contact with a perimeter wall delimiting the receptacle of the temple. The deformed portion of the peripheral edge of the positioning member is in space above the reduced portion of the pivotal member.

Abstract: The hinge is for use on spectacles of the type comprising a front frame for carrying lenses and a pair of temples. The hinge comprises a first attachment device for attaching the hinge to a corresponding one of the temples, a second attachment device for attaching the hinge to the frame, a rigid intermediate portion, a first flexible resilient portion carrying the first attachment device and attached to the rigid intermediate portion, and a second flexible resilient portion carrying the second attachment device and attached to the rigid intermediate portion opposite the first resilient portion.

Abstract: A frame for a pair of eyeglasses includes an all-metal body having a central bridge portion, lens attachment segments disposed opposite the bridge portion, and first and second temple sections extending rearwardly from ends of the lens attachment segments. The temple sections are soldered or welded to the ends of the lens attachment segments. The frame further includes nose pads operatively coupled to the bridge portion, and distal ends of the temple sections, each having a metal tip formed in a bulbous or teardrop shape.

Abstract: A hinge connector assembly for securely attaching an earpiece to a frame of a pair of eyeglasses includes a hinge connector and connector clamp which secure an earpiece therebetween. The means for securing the earpiece comprise threaded bores attached to the connector clamp which combine with bolts inserted through bolt holes in the hinge connector. Further, notches located on the hinge connector combine with protruding tabs located on the connector clamp for added support. The hinge connector also includes a hinge element for attaching to a corresponding hinge element located on the frame of glasses.

Abstract: Eyeglasses including a lens, a connector and a bow. The connector is connected to the lens and includes an attachment section extending substantially outwardly from the lens. The bow includes a main segment defining a longitudinal axis and an auxiliary segment defining an auxiliary axis, the auxiliary axis extending generally inwardly towards the lens. The auxiliary segment releasably interlocks and engages the attachment section upon the relative motion of the bow upon an insertion axis, the insertion axis being angled at 45° or less with respect to the longitudinal axis.

Abstract: A screw connection for hinge parts, especially of an eyeglass frame, comprising a screw that interconnects the hinge parts that engage one inside the other and that have an upper hinge lobe, a lower hinge lobe, and at least one middle hinge lobe, the screw having a screw head and a screw shank that extends through a first through opening in the upper hinge lobe and extends through a second through opening in the middle hinge lobe, with a thread permitting the screw shank to be screwed into the lower hinge lobe, and comprising a sleeve that surrounds the screw shank, has elastic properties, and interacts with the upper and middle hinge lobes when the screw is in a screwed-in state, whereby the diameter (D2) of the second through opening is less than or equal to the diameter (D1) of the first through opening.

Abstract: An elastic hinge for eyeglasses, comprising an elongated box-like body provided with an open receptacle inside which a traction elastic element and a first hinge articulation element associated with the elastic element are inserted with the first hinge articulation element arranged to slide and pivoted to a second hinge articulation element for fixing to the eyeglasses; the first and second ends having both a larger diameter than the intermediate body of the elastic element; a longitudinal milling extending on the entire length of the box-like body, and being provided with an axial hole; the length of the elastic element when inactive being substantially equal to the distance between the bottom of the axial hole and the end of the milling.

Abstract: The eyewear described comprises a lens having, at opposite lateral sides thereof, a pair of detachable ear stems which are adapted to move from an inwardly folded position to an outwardly ear contacting position. The lens displays, at each lateral side, an opening and a stem connecting portion that defines a hinge element forming an integral part of the lens. The proximal end portion of the ear stem defines a U-shaped recess which is engageable with the hinge element. The recess is formed by a pair of resilient branches which, together with a constriction at the entry of the recess, enables a snap-in engagement and a snap-out disengagement of the ear stem to and from the lens. No additional component is required for this three-piece eyewear.

Abstract: A spectacle frame includes a temple piece for attachment to a lens or fabricated upon a lens surround. An arm of the frame includes a spring bar extending from the arm and bearing against the temple piece. A hook attaches the temple piece to the arm and extends from one side of the spring bar to the other and detachably, pivotally connects the arm to the temple piece.

Abstract: An electrically weldable spring hinge comprising a housing having a cavity, in particular a cylindrical recess, into which cavity a hinge element can be inserted. A supporting body can be inserted into the cavity to block deformation of the housing at a location along the housing where electrical welding is performed. The hinge element may include a spring in the recess and the supporting body may be on the spring.

Abstract: An eyeglass frame comprises a frame front, a pair of temple bars and a hinge for each temple bar to provide a pivotal connection. The hinge comprises a coil winding of a resilient wire integral with the temple bar and a body with a threaded groove integral with the other one of the frame front or temple bar. The body comprises friction material and the coil is adapted for cooperating and pretensioned engagement with the body in order to provide a pivotal connection with a controlled friction resistance to turning of the pivot. The invention a so provides a hinge, an eyeglass and a method of manufacturing a hinge.

Abstract: A spectacle frame has a frameless lens or lens frame, an arm, a clamp that bears upon the arm and is attached hingedly to an arm mounting of the frameless lens or lens frame. The clamp enables easy removal and replacement of the arm without the need for tools.

Abstract: A detachable magnetic hinge system for rotatably coupling objects, such as primary eyewear and auxiliary eyewear includes first and second hinge members which are magnetically coupled to one another. The first hinge member is associated with the first object and has at least six generally planar outwardly-facing facets. The second hinge member is associated with the second object and has a plurality of generally planar inwardly-facing facets configured to detachably overlie less than all of the outwardly-facing facets of the first hinge member. Due to the magnetic coupling, selective segmented rotation of the second hinge member relative to the first hinge member is provided.

Abstract: A glasses structure has a lens frame and a temple. The lens frame has a curved portion disposed at a side thereof and a shaft portion downwardly extending from the curved portion. The temple has a positioning portion disposed at an end thereof, a position opening defined inside the positioning portion, a bushing portion downwardly extending from the positioning portion and a hole defined inside the bushing portion. The shaft portion of the lens frame is inserted into the hole of the temple and the curved portion of the lens frame is held in the position opening of the temple so that the temple pivots on the lens frame.

Abstract: A wireless ad hoc pico network is formed by eyewear and other devices such as a computer, a bracelet and a telephone having similar transceivers mounted on them. Master slave relationships are configurable. Other devices, such as a radio, a CD player, a hand held global positioning satellite system and a heart rate monitor, having similar transceivers, can also be connected with the transceiver of the eyewear. The transceivers operate on globally available, unlicensed radio band, 2.45 gigahertz (GHz) and conforms to the Bluetooth standard. The power consumption of Bluetooth enabled devices is less than three percent of the power consumption of a mobile phone. The eyewear includes a frame and connected to the frame are two temples. Temples are connected to frame via hinges. Temples have a male portion of a connector incorporated in them. Female portion of the connector is made integral with the hinges. When the male portion is inserted in the female portion the temple is attached to the frame.

Abstract: The invention concerns eyewear with means for interchanging a lens including non-rectilinear assembly zones provided on lateral edges of the lens, zones for receiving the assembly zones, one of which is formed at least partly by a piece mobile relative to the frame, and retaining means for normally maintaining the mobile piece in an engagement position.

Abstract: An elastic hinge (40), in particular for spectacle frames, has first and second hinge elements (50, 60) rotatably mounted around a pivot (45), a cam profile (53) integral with the first hinge element, a bearing piece (65) movably mounted in the second hinge element along an elastic translation axis. The bearing piece has a first contact area co-operating with the cam profile to give the hinge at least one stable position, and provides a lock for the hinge when a position of excessive opening is reached. The lock includes a protrusion (53-4) of the cam profile arranged for co-operating with a second contact area (65-2) of the bearing piece by exerting, essentially on the bearing piece, a force substantially perpendicular to the translation axis thereof.

Abstract: A spectacle frame with arms which can be opened out resiliently comprises a shoulder (3), an arm (2) articulated to the shoulder by means of a tie rod (5) hinged thereon and guided for sliding on the arm (2), resilient means (13) acting between the arm (2) and the tie rod (5) in order to urge the arm towards the shoulder, and a stop element interposed between the resilient means and the arm. The stop element comprises a sleeve (11) guided for sliding on the tie rod (5) and fixed firmly to the arm (2) by means of a locking pin (15).

Abstract: A spring-loaded hinge (1) is suggested for eyeglasses with a center part and bows surrounding eyeglass lenses, with at least one spring element (41), at least one hinge element (9) having a hinge eye (11) and with a locking element (7). It is characterized in that the locking element (7) consists of elastically deformable flat material, especially of a strip of sheet metal, the locking element (7) has a locking tab (37), and the flat material has a hole (81) for holding a spring pin (15).

Abstract: An ornamental attachment for selective attachment to an existing pair of eyeglasses having hinged junctions that utilize hinge screws that are selectively removable therefrom, for enhancing the visual appeal of the pair of eyeglasses. The ornamental attachment has a hinge screw portion, a curved portion extending from the hinge screw portion, and an attachment portion extending from the curved portion. The attachment portion has a decorative ornament extending laterally therefrom. The hinge screw portion is selectively inserted into the hinged junction of the eyeglasses after the hinge screw has been selectively removed therefrom, and a small clip is affixed to a free end of the hinge screw portion, in order to secure the ornamental attachment to the pair of eyeglasses.

Abstract: Spectacles include a lens frame having a shoulder, and further include a temple arm pivotably mounted to the shoulder of the lens frame. The temple arm includes an inboard side, an outboard side, and a detent end having a detent. A pawl is pivotably mounted to the shoulder of the lens frame and includes an inboard portion that is adapted for contact with the inboard side of the temple arm. The pawl further includes a temple arm detent portion that is adapted for engagement with the detent of the temple arm to lock the temple arm against the lens frame in a locked position, whereby the temple arm establishes a predetermined load on the lens frame for pinching an item therebetween.

Abstract: A stretcher comprising a molded frame assembly having a first frame pole and a second frame pole interconnected by a spreader bar for maintaining poles in a laterally spaced arrangement. A bed member is carried by the frame poles adapted for receiving and supporting a person. The molded frame assembly is constructed of a composite of 50% to 85% polyamide resin and 15% to 50% fiberglass by weight to resist hazardous materials and allow for decontamination of the frame assembly. The frame poles are constructed from a plurality of frame arms. A hinge pivotally connects abutting ends of frame arms, and a hinge support carried opposite the hinge further interconnects frame arms to increase the structural rigidity of the hinge. The frame poles having a hollow interior cavity to reduce weight with reinforcing members disposed in the cavity running the length of the cavity to resist bending and twisting.