FR2872926A1 - Spectacles e.g. sun spectacles, temples extending device, has torsion spring made from single piece of wire such that arm presents at rest, closure angle between when it is at rest position and in temple position, after angular extension - Google Patents

Spectacles e.g. sun spectacles, temples extending device, has torsion spring made from single piece of wire such that arm presents at rest, closure angle between when it is at rest position and in temple position, after angular extension Download PDF

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Publication number
FR2872926A1
FR2872926A1 FR0407682A FR0407682A FR2872926A1 FR 2872926 A1 FR2872926 A1 FR 2872926A1 FR 0407682 A FR0407682 A FR 0407682A FR 0407682 A FR0407682 A FR 0407682A FR 2872926 A1 FR2872926 A1 FR 2872926A1
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France
Prior art keywords
spring
arm
branch
angular
rest
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Granted
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FR0407682A
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French (fr)
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FR2872926B1 (en
Inventor
Gilles Waecher
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Individual
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Individual
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Priority to FR0407682A priority Critical patent/FR2872926B1/en
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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/008—Spectacles frames characterized by their material, material structure and material properties
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C3/00—Special supporting arrangements for lens assemblies or monocles
    • G02C3/003—Arrangements for fitting and securing to the head in the position of use
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2209—Pivot bearings and hinge bolts other than screws
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2218—Resilient hinges
    • G02C5/2227—Resilient hinges comprising a fixed hinge member and a coil spring
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C5/00—Constructions of non-optical parts
    • G02C5/22—Hinges
    • G02C5/2218—Resilient hinges
    • G02C5/2254—Resilient hinges comprising elastic means other than coil spring
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
    • G02C2200/10—Frame or frame portions made from wire
    • G—PHYSICS
    • G02—OPTICS
    • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
    • G02C2200/28—Coil spring twisted upon actuation

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  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Optics & Photonics (AREA)
  • Eyeglasses (AREA)

Abstract

The device has a cylindrical torsion spring (R) made from a single piece of round wire such that an arm (B2) of the spring presents a closure angle of about 45 degrees between when it is at rest position and when it is in temple position, after angular extension. The arm is extended by an operational temple (W). Parallelism is present between another arm (B1) and the arm (B2) by external angular movement of the temple (W).

Description

La présente invention concerne un ressort, constitutif des branches deThe present invention relates to a spring constituting the branches of

lunettes, délimitant et réglant l'écartement angulaire de ces dernières, de façon à optimaliser le port et le maintien des lunettes. L'articulation traditionnelle des branches se réalise au moyen de charnières équipées de vis, nécessitant de la sorte, un assemblage minutieux, délicat et coûteux. De plus, le montage et la  glasses, delimiting and adjusting the angular spacing of the latter, so as to optimize the wearing and maintenance of the glasses. The traditional articulation of the branches is achieved by means of hinges equipped with screws, requiring in this way a meticulous assembly, delicate and expensive. In addition, the assembly and

consolidation par vis n'éliminent pas, pour le porteur, les risques de dévissage, de dérèglements ou de perte d'éléments vissés. Même si l'art existant nous dévoile un jeu angulaire extérieur, celui-ci offre un rattrapage latéral supplémentaire à la branche en cas de pliage excessif, mais n'intervient pas directement dans le réglage angulaire du port des branches.  consolidation by screw does not eliminate, for the wearer, the risks of unscrewing, disturbance or loss of screwed elements. Even if the existing art reveals an external angular play, this one offers an additional lateral catching to the branch in case of excessive folding, but does not intervene directly in the angular adjustment of the port of the branches.

L'invention vise à effacer ces désagréments et manquements, en proposant donc, comme réels avantages, une construction simplifiée et peu coûteuse, associée et combinée à une réorganisation fonctionnelle du déplacement angulaire des branches.  The invention aims to erase these inconveniences and shortcomings, thus proposing, as real advantages, a simplified and inexpensive construction, associated and combined with a functional reorganization of the angular displacement of the branches.

Pour ce faire, le concept inventif repose sur un ressort de torsion de préférence cylindrique (ou de cône tronqué éventuel), à action et à mémoire de forme angulaires, exécuté en fil rond et à spires jointives. Ce ressort enroulé, à droite (pour la branche gauche) et à gauche (pour la branche droite), suivant un axe vertical, laisse apparaître deux spires d'extrémités, à base rapprochée et dressée, dont les prolongements rectilignes opposés et situés, chacun, sur un plan perpendiculaire au plan axial du ressort- seront appelés bras de ressort dans la présente invention. Le ressort ainsi façonné, à spires de diamètre réduit, d'un seul tenant en un point de la branche concrétise l'axe de flexion angulaire de cette dernière. Au montage, un bras du ressort, de préférence coudé, est rendu fixe et solidaire de chaque extrémité de la partie frontale de la monture des verres suivant la technique de cerclage des verres ou du verre percé. Le deuxième bras du ressort, faisant office dans sa continuité de branche opérationnelle, se trouve orienté, à la construction et au repos, vers l'intérieur de la monture; de façon à lui imprimer un angle conventionnel de fermeture et de préparation d'environ 45 par rapport à ce même bras ouvert en extension angulaire extérieure.  To do this, the inventive concept is based on a torsion spring preferably cylindrical (or possibly truncated cone), action and angular shape memory, executed in round wire and contiguous turns. This wound spring, on the right (for the left branch) and on the left (for the right branch), along a vertical axis, reveals two end turns, with a close and upright base, whose opposite rectilinear and located extensions, each on a plane perpendicular to the axial plane of the spring will be called spring arms in the present invention. The spring thus shaped, with reduced diameter turns, in one piece at a point of the branch concretizes the angular bending axis of the latter. On assembly, a spring arm, preferably bent, is fixed and secured to each end of the front portion of the frame of the glasses according to the technique of strapping glasses or pierced glass. The second arm of the spring, acting in its continuity of operational branch, is oriented, at construction and at rest, towards the inside of the frame; so as to print a conventional angle of closure and preparation of about 45 relative to the same arm open in external angular extension.

Sachant que la position branche ouverte constitue et conditionne la fonction essentielle et vitale du port des lunettes, cet angle spécifique imposé à la branche sera utilisé en écartement angulaire afin de garantir à l'utilisateur une tenue souple et un maintien temporal optimal. Inversement, la position branche fermée, ne trouvant qu'un usage accessoire, peut être solutionnée branche au repos- par un repli angulaire de celle-ci sur un angle opératoire d'environ 30 et un maintien, dans cette position, dans une pochette ad hoc. Le concept inventif ainsi décrit, peut admettre les variantes d'agencement et de réalisations suivantes, marquées: - par le transfert géographique du ressort positionné, en l'occurrence, à chaque extrémité de la monture afin d'aligner, sur un plan sensiblement horizontal, l'axe du ressort, son bras fixe et le plan de la monture des verres. Cette disposition permet d'augmenter, en extension angulaire extérieure, la longueur potentielle de la branche et de réduire, branche repliée, l'encombrement des lunettes dans leur pochette: voir fig.3.  Knowing that the open branch position constitutes and conditions the essential and vital function of wearing glasses, this specific angle imposed on the branch will be used in angular spacing to guarantee the user a flexible hold and optimal temporal retention. Conversely, the closed branch position, finding only an accessory use, can be solved branch at rest-by an angular folding thereof on an operating angle of about 30 and holding, in this position, in a pocket ad hoc. The inventive concept thus described may admit the following variants of arrangement and embodiments, marked: by the geographical transfer of the positioned spring, in this case, at each end of the frame in order to align on a substantially horizontal plane; , the axis of the spring, its fixed arm and the plane of the frame of the glasses. This arrangement makes it possible to increase, in external angular extension, the potential length of the branch and to reduce, collapsed branch, the size of the glasses in their pocket: see fig.3.

- par la présence d'un support fixe cylindrique formé, à angle droit baissé ou levé, en un point de la branche et utilisé comme tuteur coaxial à un ressort de torsion défini ci-dessus. Ce ressort, à fil rond de diamètre réduit, façonné à partir de l'extrémité de ce support s'enroule, au contact et autour de ce dernier, à gauche ou à droite suivant la branche concernée et se termine, à hauteur de l'angle droit, par une spire dont le bras rectiligne matérialise la branche fonctionnelle respectant également l'écartement angulaire de préparation d'environ 45 : voir fig.4.  - By the presence of a fixed cylindrical support formed at right angles lowered or raised at a point of the branch and used as a tutor coaxial with a torsion spring defined above. This spring, round wire of reduced diameter, shaped from the end of this support rolls, in contact with and around the latter, left or right depending on the branch concerned and ends at the height of the right angle, by a turn whose straight arm materializes the functional branch also respecting the angular separation of preparation of approximately 45: see fig.4.

- par un pontet horizontal composé, en son milieu et d'une seule pièce, d'un ressort de compression absorbant, en outre, la poussée extérieure ou intérieure de la branche en extension angulaire.  - By a horizontal bridge composed, in its middle and in one piece, an absorbing compression spring, in addition, the external or internal thrust of the branch in angular extension.

En plus de ces figures 3 et 4, les dessins suivants illustrent essentiellement l'invention.  In addition to these Figures 3 and 4, the following drawings essentially illustrate the invention.

La fig. l représente une vue latérale, en perspective, de l'invention; branches au repos suivant la disposition angulaire conceptuelle d'environ 45 .  Fig. 1 represents a side view, in perspective, of the invention; branches at rest according to the conceptual angular arrangement of about 45.

La fig.2 représente une vue de dessus de la monture, toujours branches au repos, décrivant le sens d'enroulement des spires à partir du bras du ressort fixe ( B1) Comme défini ci dessus, le sens d'enroulement des spires du ressort ( R), droit ou gauche, affecté à chaque branche, jouera un rôle primordial dans le fonctionnement et la réaction mécanique à accorder au ressort lors de sa sollicitation. L'effet, recherché et revendiqué, est d'exercer, en extension extérieure angulaire d'environ 45 de la branche, une torsion et une compression accentuées, mais tolérables, des spires; de façon à maintenir la ressort en verticalité, sans déformation axiale, et de préserver, pendant la translation et dans la position - branche dépliée -, un parallélisme entre cette dernière et le bras du ressort fixe (B1) attenant à la monture des verres. Mécaniquement, en phase de réglage des branches, l'effort de poussée extérieure concentré sur la spire d'extrémité relative au bras du ressort (B2), suivant un déplacement en rotation quasiment coaxiale au ressort, sera contenu sur la longueur des spires voisines; atténuant ainsi la force de traction exercée sur le bras du ressort (B1) fixe, en l'occurrence, renforcé en dimension. Inversement, pour la position branche repliée, on assiste à un relâchement des spires accompagné d'une distorsion axiale du ressort. Ce mécanisme de réaction du ressort, incompatible avec les garanties techniques recherchées, n'est donc envisageable que pour la fermeture de la branche. En outre, la disposition angulaire des branches au repos permet d'exploiter toutes les propriétés mécaniques du ressort (pliage, traction, compression et torsion), au service des branches ainsi malléables et sécurisées. Enfin, pour obtenir un ensemble en mouvement performant, les spires, en comparaison du bras (B1), admettront un diamètre inférieur constant ou dégressif- finissant à environ 0,5 mm sur le bras (B2) ; la cohérence du ressort résidera, par ailleurs, dans son diamètre intérieur et dans son nombre de spires restreint afin de lui assurer une stabilité axiale optimale. Vu le faible diamètre du fil des spires, le ressort sera enroulé à froid avec des matériaux appropriés: aciers spéciaux à base de cuivre, nickel, béryllium, titane, silicium et chrome ou d'alliages comme le cuprobéryllium ou le maillechort.  FIG. 2 represents a top view of the frame, still branches at rest, describing the winding direction of the turns from the fixed spring arm (B1). As defined above, the direction of winding of the turns of the spring (R), right or left, assigned to each branch, will play a key role in the operation and the mechanical reaction to be given to the spring during its solicitation. The effect, sought and claimed, is to exert, in angular outer extension of about 45 of the branch, a torsion and compression accentuated, but tolerable, turns; so as to maintain the spring vertically, without axial deformation, and to preserve, during the translation and in the position - unfolded branch -, a parallelism between the latter and the arm of the fixed spring (B1) adjacent to the frame of the glasses. Mechanically, in the branch adjustment phase, the external thrust force concentrated on the end turn relative to the spring arm (B2), following a rotational movement substantially coaxial with the spring, will be contained along the length of neighboring turns; thus reducing the tensile force exerted on the arm of the fixed spring (B1), in this case, reinforced in size. Conversely, for the folded branch position, there is a loosening of the turns accompanied by axial distortion of the spring. This reaction mechanism of the spring, incompatible with the technical guarantees sought, is therefore only possible for the closure of the branch. In addition, the angular disposition of the branches at rest makes it possible to exploit all the mechanical properties of the spring (folding, pulling, compression and torsion), in the service of the branches thus malleable and secure. Finally, to obtain a high-performance moving assembly, the turns, in comparison with the arm (B1), will admit a constant or degressive lower diameter ending at about 0.5 mm on the arm (B2); the coherence of the spring will reside, moreover, in its inner diameter and in its number of restricted turns to ensure optimal axial stability. Given the small diameter of the coil wire, the spring will be cold rolled with suitable materials: special steels based on copper, nickel, beryllium, titanium, silicon and chromium or alloys such as cuproberyllium or nickel silver.

Le concept inventif est destiné à tous les fabricants de montures et d'armatures de lunettes de vue, de soleil ou de protection.  The inventive concept is intended for all manufacturers of frames and frames of eyeglasses, sunglasses or protection.

Claims (8)

REVENDICATIONS 1) Dispositif d'extension angulaire de branches de lunettes solidaire par son bras (B1) de chaque extrémité de la partie frontale de la monture des verres- caractérisé par un ressort (R) de torsion, à action et à mémoire de forme angulaires, façonné d'un seul tenant en un point de la branche; de manière que le bras terminal du ressort (B2), prolongé par la branche (W) opérationnelle, présente, par construction et au repos, un angle de fermeture mémorisé à environ 45 par rapport à ce même bras (B2) reporté, après extension angulaire, en position branche ajustée pour le porteur.  1) Device for angular extension of glasses branches secured by its arm (B1) of each end of the front portion of the frame of the glasses- characterized by a torsion spring (R), acting and angular shape memory, shaped in one piece at one point of the branch; so that the end arm of the spring (B2), extended by the operative branch (W), has, by construction and at rest, a closing angle stored at approximately 45 relative to the same arm (B2) postponed, after extension angular, in adjusted arm position for the wearer. 2) Dispositif selon la revendication 1 caractérisé par un bras du ressort (B1), attenant à la monture et renforcé en dimension, à partir duquel se forment et s'enroulent, selon un axe vertical, les spires du ressort (R) jointives et à fil rond de diamètre à réduction constante ou dégressive; en respectant un sens d'enroulement fonctionnel à droite pour la branche gauche- et à gauche -pour la branche droite-  2) Device according to claim 1 characterized by an arm of the spring (B1), adjacent to the frame and reinforced in size, from which are formed and wound, along a vertical axis, the turns of the spring (R) joined and round wire of constant or degressive reduction diameter; respecting a direction of functional winding on the right for the left branch and on the left -for the right branch- 3) Dispositif selon les revendications 1 et 2 caractérisé en ce qu'il peut présenter, en alignement sensiblement horizontal, l'axe du ressort (R) , le bras fixe (B1) et le plan de la monture des verres.3) Device according to claims 1 and 2 characterized in that it may have, in substantially horizontal alignment, the axis of the spring (R), the fixed arm (B1) and the plane of the frame glasses. 4) Dispositif selon les revendications 1 à 3 caractérisé en ce qu'il présente un parallélisme entre le bras fixe du ressort (B1) et le bras (B2), en déplacement angulaire extérieur de la branche (W) ainsi qu'en position branche (W) stabilisée à l'ouverture.  4) Device according to claims 1 to 3 characterized in that it has a parallelism between the fixed arm of the spring (B1) and the arm (B2), in outer angular displacement of the branch (W) and in the branch position (W) stabilized at the opening. 5) Dispositif selon l'une des revendications précédentes caractérisé en ce qu'il présente un ressort (R) de configuration cylindrique.  5) Device according to one of the preceding claims characterized in that it has a spring (R) of cylindrical configuration. 6) Dispositif selon l'une des revendications 1 à 4 caractérisé en ce 25 qu'il peut présenter une configuration du ressort (R) en forme de cône tronqué.  6) Device according to one of claims 1 to 4 characterized in that it may have a configuration of the spring (R) shaped truncated cone. 7) Dispositif selon l'une des revendications 1 à 4 caractérisé par un pontet reliant les côtés des deux verres sur un plan horizontal et composé, en son milieu et d'une seule pièce, d'un ressort de compression venant amortir l'extension angulaire des branches.  7) Device according to one of claims 1 to 4 characterized by a bridge connecting the sides of the two glasses on a horizontal plane and composed in its middle and in one piece, a compression spring from damping the extension angular branches. 8) Dispositif consolidé, à l'aide d'un tuteur coaxial au ressort (R), caractérisé par un support cylindrique présent à angle droit du bras (B1) - à l'extrémité duquel se forment, à son contact, les spires du ressort définies et enroulées dans les revendications 2 et 5; ce ressort (R) se termine par le bàs (B2), à hauteur du bras (B1), conformément aux prescriptions angulaires de la branche (W) contenues dans les revendications 1 et 4.  8) Consolidated device, using a coaxial support spring (R), characterized by a cylindrical support present at right angles to the arm (B1) - at the end of which are formed, on contact, the turns of the spring defined and wound in claims 2 and 5; this spring (R) terminates at the bottom (B2), at the height of the arm (B1), in accordance with the angular prescriptions of the branch (W) contained in claims 1 and 4.
FR0407682A 2004-07-09 2004-07-09 ELASTIC DEVICE FOR JOINING BRANCHES OF EYEWEAR Expired - Fee Related FR2872926B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR0407682A FR2872926B1 (en) 2004-07-09 2004-07-09 ELASTIC DEVICE FOR JOINING BRANCHES OF EYEWEAR

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Application Number Priority Date Filing Date Title
FR0407682A FR2872926B1 (en) 2004-07-09 2004-07-09 ELASTIC DEVICE FOR JOINING BRANCHES OF EYEWEAR

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FR2872926A1 true FR2872926A1 (en) 2006-01-13
FR2872926B1 FR2872926B1 (en) 2006-11-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2959573A1 (en) * 2010-05-03 2011-11-04 Novembre Spectacles for use by e.g. child, have arm connected to frame or directly connected to face through pin and joint, where joint is formed of element interposed between end of arm and end of pin through connection units

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606525A (en) * 1969-10-24 1971-09-20 Bert J Landree Spring for eyeglass frames
WO1993018429A1 (en) * 1992-03-10 1993-09-16 Bausch & Lomb Incorporated Integral eyewear frame
FR2723649A3 (en) * 1994-01-10 1996-02-16 Diep Kok Yong Rimless spectacles
US6113235A (en) * 1998-01-29 2000-09-05 Kt Optica Inc. Eyeglasses frame having elastically deformable rim-to-temple joints
US6139143A (en) * 1997-12-11 2000-10-31 Bausch & Lomb Incorporated Temple for eyewear having an integrally formed serpentine hinge
WO2000075715A1 (en) * 1999-06-02 2000-12-14 Adam Peter Derbyshire Spectacle frame
EP1103836A1 (en) * 1999-11-29 2001-05-30 KT Optica Inc. Eyeglasses frame capable of adjustably varying posture

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3606525A (en) * 1969-10-24 1971-09-20 Bert J Landree Spring for eyeglass frames
WO1993018429A1 (en) * 1992-03-10 1993-09-16 Bausch & Lomb Incorporated Integral eyewear frame
FR2723649A3 (en) * 1994-01-10 1996-02-16 Diep Kok Yong Rimless spectacles
US6139143A (en) * 1997-12-11 2000-10-31 Bausch & Lomb Incorporated Temple for eyewear having an integrally formed serpentine hinge
US6113235A (en) * 1998-01-29 2000-09-05 Kt Optica Inc. Eyeglasses frame having elastically deformable rim-to-temple joints
WO2000075715A1 (en) * 1999-06-02 2000-12-14 Adam Peter Derbyshire Spectacle frame
EP1103836A1 (en) * 1999-11-29 2001-05-30 KT Optica Inc. Eyeglasses frame capable of adjustably varying posture

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2959573A1 (en) * 2010-05-03 2011-11-04 Novembre Spectacles for use by e.g. child, have arm connected to frame or directly connected to face through pin and joint, where joint is formed of element interposed between end of arm and end of pin through connection units

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