WO2005038510A1 - Nose pad device for spectacle frame - Google Patents

Nose pad device for spectacle frame Download PDF

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Publication number
WO2005038510A1
WO2005038510A1 PCT/FR2004/002601 FR2004002601W WO2005038510A1 WO 2005038510 A1 WO2005038510 A1 WO 2005038510A1 FR 2004002601 W FR2004002601 W FR 2004002601W WO 2005038510 A1 WO2005038510 A1 WO 2005038510A1
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WO
WIPO (PCT)
Prior art keywords
nose pad
support rod
pad device
protuberances
axes
Prior art date
Application number
PCT/FR2004/002601
Other languages
French (fr)
Inventor
Sébastien Alphred Ali Joseph JOST
Original Assignee
Comotec
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Comotec filed Critical Comotec
Publication of WO2005038510A1 publication Critical patent/WO2005038510A1/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
    • G02C5/12—Nose pads; Nose-engaging surfaces of bridges or rims
    • G02C5/122—Nose pads; Nose-engaging surfaces of bridges or rims with adjustable means
    • 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
    • G02C2200/04—Junctions between frame elements having a click function

Definitions

  • the present invention relates to a nose pad device for spectacle frame, comprising at least one nose pad, a support rod and means of articulation of the nose pad on the support rod.
  • Figures 1A, 1B, 2A, 2B show nose pad devices most commonly encountered on eyeglass frames available commercially.
  • Figures 1A, 1B show a first conventional type of nose pad device, respectively by an exploded view and an assembled view.
  • the device comprises a nose pad 10 and a support rod 20.
  • the rear face of the nose pad 10, or sole 11 has a protrusion 12 having two substantially parallel outer faces 12-1 (only one face being visible in FIG. 1A) as well as an articulation orifice 13 which passes right through the protrusion 12, perpendicular to the substantially parallel faces 12-1.
  • the distal end of the support rod 20 comprises a hollow piece or cap 21, of shape designed to receive the protrusion 12 and comprising two side walls 21-1 substantially parallel.
  • Each wall 21-1 has internal faces, not visible in FIGS. 1A, 1B, intended to coincide with the faces 12-1 of the protrusion 12, and includes a hole 21-2 provided for coincide with the articulation orifice 13 passing through the protrusion 12.
  • the assembly of the device is carried out by introducing the protrusion 12 into the cap 21, and by fixing the two elements together by means of a screw 25.
  • the body of the screw 25 forms an axis of rotation passing through the orifice 13 and the holes 21-2, as shown in FIG. 1B.
  • This first nose pad device has the disadvantage of being long to assemble, of being relatively bulky, and of being of a high cost price if the cost of the screw, handling operations are taken into account. spare parts and screw mounting.
  • the articulation system obtained offers a limited angular movement of the nose pad relative to the support rod, of the order of 5 to 6 °, since the sole 11 abuts in rotation against the cabochon 21.
  • the figures 2A, 2B represent, respectively by an exploded view and an assembled view, a second type of conventional nose pad device.
  • the device comprises, like the previous one, a nose pad 30 and a support rod 40.
  • the rear face of the nose pad, or sole 31 has a protrusion 32 having two substantially parallel faces 32-1 (only one face being visible in FIG. 2A ).
  • Each face 32-1 here has a longitudinal groove or groove 33.
  • the distal end of the support rod 40 comprises a part 41 in the shape of a U forming a sort of clamp and comprising two elastic arms 42, 43.
  • the internal faces of the arms 42, 43 that is to say the faces lying opposite, each have a boss 42-1, 43-1 generally obtained by punching the external faces of the arms.
  • the device is assembled by snap-fitting ("clipping") of the protrusion 32 in the part 41, each boss 42-1, 43-1 cooperating with one of the grooves 33 to maintain the protrusion 32 in the part 41 while ensuring a certain angular movement.
  • This second type of nose pad device has the advantage of being quickly assembled, and is found on a large majority of sunglasses or prescription glasses. However, this device also offers a limited angular movement of the nose pad relative to the support rod, of the order of 5 to 6 °.
  • the present invention relates to a nose pad device which is quick to assemble, at a reasonable cost price, and which makes it possible to obtain an angular clearance of the nose pad clearly greater than that offered by the conventional devices which have just be described.
  • a nose pad device for a spectacle frame comprising at least one nose pad, a support rod and means of articulation of the nose pad on the support rod, in which the distal end of the support rod comprises a substantially T-shaped part comprising two male half-axes of rotation, and in which the rear face of the nose pad comprises two protuberances made of a flexible and elastic material, each protuberance comprising a joint orifice for receiving one of the half-axes, the protuberances having to be spread apart relative to one another for the insertion of the half-axes into the articulation orifices.
  • the support rod comprises an end portion which extends beyond half-axes for cooperating with the rear face of the nose pad and forming a rotation stop for the nose pad.
  • the end part of the support rod cooperates with a region of the rear face of the nose pad located between the two protuberances.
  • the end part of the support rod cooperates by parallel contact with a profile extending between the two protuberances, to form a first soft rotation stop.
  • the distal end of the support rod has a section cooperating by parallel contact with a profile extending between the two protrusions, to form a second soft rotation stop.
  • the distal end of the support rod is substantially in the shape of a cross, the end part of the support rod extending perpendicular to the half-axes.
  • the nose pad has, relative to the support rod, an angular movement of between 15 ° and 45 °.
  • the protuberances are made of flexible PVC.
  • the rear face of the nose pad forms a sole made of the same material as the protuberances, the protuberances and the sole forming a single piece.
  • the support rod is made of metal.
  • the support rod is made of plastic.
  • FIGS. 3A, 3B respectively show an exploded view and an assembled view of a nose pad device according to the invention
  • FIGS. 4A, 4B are views in longitudinal section, in the direction of its thickness, of one, embodiment of the nose pad device according to the invention, showing two rotational stops.
  • Figures 3A, 3B show, respectively by an exploded view and an assembled view, a nose pad device according to one invention comprising a nose pad 50 and a support rod 60.
  • the rear face of the nose pad 50 , or sole 51 has two protuberances or lips 52, 53 made of a flexible and elastic material.
  • Each lip 52, 53 has an internal face and an external face, the internal faces of the lips being opposite.
  • Each lip 52, 53 has an orifice articulation 52-1, respectively 53-1, which opens onto the internal face of the lip.
  • the orifices 52-1, 53-1 may be through and open onto the external faces of the lips, as shown in FIGS. 3A, 3B, or be non-through and open only through the internal faces. They are aligned along a common drilling axis AA 'which is substantially parallel to the plane of the sole 51 and substantially perpendicular to the longitudinal axis of the nose pad 50.
  • the support rod 60 has a proximal end 60-1, a distal end 60-2, and a bent central part 60-3 extending between the proximal end 60-1 and the distal end 60-2.
  • the distal end 60-2 of the support rod comprises a section 61 extending from the bent part 60-3, and two male half-axes 62, 63 substantially perpendicular to the section 61, the assembly forming a part of the support rod which is substantially T-shaped.
  • the distal end 60-2 of the support rod also comprises an end part 64 which extends beyond the half-axes 62 , 63. The end portion 64 is aligned here with the section 61, and extends in a direction perpendicular to the half-axes 62, 63.
  • the distal end 60-2 thus has the shape of a cross, the cross being formed by the section 61, the half-axes 62, 63 and the end portion 64.
  • the assembly of the device according to the invention is particularly simple and rapid and consists in spreading the lips 52, 53 in order to insert the male half-axes 62, 63 in the corresponding orifices 52-1, 53-1. The lips are then released and return to their initial position by elastic effect, so that the half-axes 62, 63 are trapped in the orifices 52-1, 53-1, the end part 64 being found housed between the two lips .
  • the ends of the half-axes 62, 63 can be substantially bevelled, as appears in FIG.
  • FIGS. 4A, 4B are longitudinal sectional views in the thickness direction of the nose pad, illustrating a particular embodiment of the device according to the invention.
  • a projection 70 having a determined profile is provided between the two lips, to obtain two "soft" stops of rotation determining the maximum angular movement of the nose pad.
  • This angular movement is here chosen of the order of 15 ° to 20 °, which is sufficient in practice to meet the objectives of ergonomics and comfort targeted by the present invention.
  • FIGS. 4A, 4B a distinction is made between the lip 53 which is located behind the cutting plane, the bent part 60-3 and the distal part 60-2 of the support rod, formed by the section 61, the half-axes 62, 63 and the end part 64 of the support rod.
  • the average thickness of the sole is represented by a line 54 in dotted lines, which corresponds to the surface of the sole.
  • the protuberance 70 is a kind of longitudinal edge of small thickness which takes place between the two lips, and which extends beyond the line of average thickness 54 of the nose pad, in a direction substantially vertical to the plane of the sole 51.
  • the protrusion 70 has a part 71 substantially parallel to the plane of the sole, and an inclined part 72 which tends towards the line of average thickness 54.
  • FIG. 4A represents a first position of rotation stop of the nose pad. In this position, the section 61 of the distal end of the support rod bears against the part 71 of the protrusion 70, parallel to the latter, and blocks the rotation of the nose pad, thus forming a first stop of rotation.
  • the end part 64 of the support rod extends above the inclined part 72 of the projection 70 but does not cooperate with the latter.
  • Figure 4B shows a second position of rotation stop of the nose pad.
  • the section 61 of the distal end of the support rod has an angle of the order of 15 ° to 20 ° relative to the part 71 of the protrusion 70.
  • the end part 64 of the rod support here comes into contact with the inclined portion 72 of the protrusion 70, parallel to it, and blocks the rotation of the nose pad, forming a second rotation stop.
  • the two rotation stops thus obtained are soft stops because the contact between the parts which cooperate to form a stop is a parallel contact, making it possible to avoid deterioration of the surfaces in contact.
  • the end part 64 of the support rod can take various other forms and cooperate in various other ways with the sole 51.
  • the device according to the invention is compact. and an attractive aesthetic. Many shapes can be given to the lips 52, 53, for example the curved profile shown in the figures
  • the lips 52, 53 are for example made of polymer or elastomer, for example flexible PVC, this material already being used in the prior art for producing the protuberances of the nasal platelets described above.
  • the lips 52, 53 and the sole 51 are preferably made in one piece.
  • the front face of the nose pad 50 may comprise a pad fixed to the sole 51 or may itself be of the same material as the sole. In this case, the entire nose pad 50 is made in one piece.
  • the support rod 60 is made of a metallic material or of a rigid or semi-rigid plastic material.
  • the support rod can be a single piece, as shown in the figures, or an assembled piece.
  • the half-axes 62, 63 can for example be made by gluing or welding a small bar transversely to the longitudinal body of the support rod, so as to obtain a T or cross profile (depending on whether a rotation stop is desired or not).
  • the present invention is susceptible of various other variants within the reach of those skilled in the art, in particular as regards the shape and arrangement of the various elements, the materials used and the techniques used to produce these elements.

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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 invention relates to a nose pad device for a spectacle frame, comprising at least one nose pad (50), a support stem (60) and means for articulating the nose pad to the support stem. According to the invention, the distal end (60-2) of the support stem comprises an essentially-T-shaped part with two male half-axles of rotation (62, 63). The rear face of the nose pad is provided with two protrusions (52, 53) which are made from a flexible, elastic material. Moreover, each protrusion comprises a hinge hole (52-1, 53-1) for receiving one of the half-axles (62, 63). In addition, the protrusions must be separated from one another in order for the half-axles to be inserted into the hinge holes.

Description

DISPOSITIF DE PLAQUETTE NASALE POUR MONTURE DE LUNETTES NASAL PLATE DEVICE FOR EYEWEAR MOUNTING
La présente invention concerne un dispositif de plaquette nasale pour monture de lunettes, comprenant au moins une plaquette nasale, une tige support et des moyens d'articulation de la plaquette nasale sur la tige support . Les figures 1A, 1B, 2A, 2B représentent des dispositifs de plaquette nasale les plus couramment rencontrés sur les montures de lunettes disponibles dans le commerce . Les figures 1A, 1B représentent un premier type classique de dispositif de plaquette nasale, respectivement par une vue éclatée et une vue assemblée. Le dispositif comprend une plaquette nasale 10 et une tige support 20. La face arrière de la plaquette nasale 10, ou semelle 11, comporte une excroissance 12 présentant deux faces extérieures sensiblement parallèles 12-1 (une seule face étant visible sur la figure 1A) ainsi qu'un orifice d'articulation 13 qui traverse de part en part l'excroissance 12, perpendiculairement aux faces sensiblement parallèles 12-1. L'extrémité distale de la tige support 20 comprend une pièce creuse ou cabochon 21, de forme prévue pour recevoir l'excroissance 12 et comportant deux parois latérales 21-1 sensiblement parallèles. Chaque paroi 21-1 présente des faces internes, non visibles sur les figures 1A, 1B, prévues pour coïncider avec les faces 12-1 de l'excroissance 12, et comporte un perçage 21-2 prévu pour coïncider avec l'orifice d'articulation 13 traversant l'excroissance 12. L'assemblage du dispositif est effectué en introduisant l'excroissance 12 dans le cabochon 21, et en fixant les deux éléments ensemble au moyen d'une vis 25. Le corps de la vis 25 forme un axe de rotation traversant l'orifice 13 et les perçages 21-2, comme représenté en figure 1B . Ce premier dispositif de plaquette nasale présente l'inconvénient d'être long à assembler, d'être relativement encombrant, et d'être d'un prix de revient élevé si l'on tient compte du coût de la vis, des opérations de manutention des pièces détachées et de montage de la vis. D'autre part, le système d'articulation obtenu offre un débattement angulaire limité de la plaquette nasale relativement à la tige support, de l'ordre de 5 à 6°, car la semelle 11 bute en rotation contre le cabochon 21. Les figures 2A, 2B représentent, respectivement par une vue éclatée et une vue assemblée, un second type de dispositif de plaquette nasale classique. Le dispositif comprend comme le précédent une plaquette nasale 30 et une tige support 40. La face arrière de la plaquette nasale, ou semelle 31, comporte une excroissance 32 présentant deux faces sensiblement parallèles 32-1 (une seule face étant visible sur la figure 2A) . Chaque face 32-1 présente ici une rainure ou gorge longitudinale 33. L'extrémité distale de la tige support 40 comporte une pièce 41 en forme de U formant une sorte de pince et comportant deux bras élastiques 42, 43. Les faces internes des bras 42, 43, c'est-à-dire les faces se trouvant en vis-à-vis, présentent chacune un bossage 42-1, 43-1 obtenu généralement par poinçonnage des faces externes des bras . L'assemblage du dispositif est réalisé par encliquetage ("clipsage") de l'excroissance 32 dans la pièce 41, chaque bossage 42-1, 43-1 coopérant avec l'une des gorges 33 pour maintenir l'excroissance 32 dans la pièce 41 tout en assurant un certain débattement angulaire . Ce second type de dispositif de plaquette nasale présente l'avantage d'être vite assemblé, et se retrouve sur une grande majorité de lunettes de soleil ou de vue. Toutefois, ce dispositif offre également un débattement angulaire limité de la plaquette nasale relativement à la tige support, de l'ordre de 5 à 6°. La présente invention vise un dispositif de plaquette nasale qui soit rapide à assembler, d'un prix de revient raisonnable, et qui permette d'obtenir un débattement angulaire de la plaquette nasale nettement plus important que celui offert par les dispositifs classiques qui viennent d'être décrits. Ces objectifs sont atteints par la prévision d'un dispositif de plaquette nasale pour monture de lunettes, comprenant au moins une plaquette nasale, une tige support et des moyens d'articulation de la plaquette nasale sur la tige support, dans lequel l'extrémité distale de la tige support comprend une partie sensiblement en forme de T comportant deux demi-axes de rotation mâles, et dans lequel la face arrière de la plaquette nasale comprend deux excroissances en un matériau souple et élastique, chaque excroissance comprenant un orifice d'articulation pour recevoir l'un des demi-axes, les excroissances devant être écartées l'une relativement à l'autre pour l'insertion des demi- axes dans les orifices d'articulation. Selon un mode de réalisation, la tige support comprend une partie d'extrémité qui se prolonge au-delà des demi-axes pour coopérer avec la face arrière de la plaquette nasale et former une butée de rotation de la plaquette nasale. Selon un mode de réalisation, la partie d'extrémité de la tige support coopère avec une zone de la face arrière de la plaquette nasale située entre les deux excroissances . Selon un mode de réalisation, la partie d'extrémité de la tige support coopère par contact parallèle avec un profil s ' étendant entre les deux excroissances, pour former une première butée douce de rotation. Selon un mode de réalisation, l'extrémité distale de la tige support présente un tronçon coopérant par contact parallèle avec un profil s ' étendant entre les deux excroissances, pour former une seconde butée douce de rotation. Selon un mode de réalisation, l'extrémité distale de la tige support est sensiblement en forme de croix, la partie d'extrémité de la tige support s 'étendant perpendiculairement aux demi-axes. Selon un mode de réalisation, la plaquette nasale présente relativement à la tige support un débattement angulaire compris entre 15° et 45°. Selon un mode de réalisation, les excroissances sont en PVC souple . Selon un mode de réalisation, la face arrière de la plaquette nasale forme une semelle en un même matériau que les excroissances, les excroissances et la semelle formant une pièce monobloc . Selon un mode de réalisation, la tige support est en métal . Selon un mode de réalisation, la tige support est en matière plastique. La présente invention concerne également une monture de lunettes, comprenant un dispositif de plaquette nasale selon l'invention. Ces objets, caractéristiques et avantages ainsi que d'autres de la présente invention seront exposés plus en détail dans la description suivante d'un exemple de réalisation d'un dispositif de plaquette nasale selon l'invention, faite à titre non limitatif en relation avec les figures jointes parmi lesquelles :The present invention relates to a nose pad device for spectacle frame, comprising at least one nose pad, a support rod and means of articulation of the nose pad on the support rod. Figures 1A, 1B, 2A, 2B show nose pad devices most commonly encountered on eyeglass frames available commercially. Figures 1A, 1B show a first conventional type of nose pad device, respectively by an exploded view and an assembled view. The device comprises a nose pad 10 and a support rod 20. The rear face of the nose pad 10, or sole 11, has a protrusion 12 having two substantially parallel outer faces 12-1 (only one face being visible in FIG. 1A) as well as an articulation orifice 13 which passes right through the protrusion 12, perpendicular to the substantially parallel faces 12-1. The distal end of the support rod 20 comprises a hollow piece or cap 21, of shape designed to receive the protrusion 12 and comprising two side walls 21-1 substantially parallel. Each wall 21-1 has internal faces, not visible in FIGS. 1A, 1B, intended to coincide with the faces 12-1 of the protrusion 12, and includes a hole 21-2 provided for coincide with the articulation orifice 13 passing through the protrusion 12. The assembly of the device is carried out by introducing the protrusion 12 into the cap 21, and by fixing the two elements together by means of a screw 25. The body of the screw 25 forms an axis of rotation passing through the orifice 13 and the holes 21-2, as shown in FIG. 1B. This first nose pad device has the disadvantage of being long to assemble, of being relatively bulky, and of being of a high cost price if the cost of the screw, handling operations are taken into account. spare parts and screw mounting. On the other hand, the articulation system obtained offers a limited angular movement of the nose pad relative to the support rod, of the order of 5 to 6 °, since the sole 11 abuts in rotation against the cabochon 21. The figures 2A, 2B represent, respectively by an exploded view and an assembled view, a second type of conventional nose pad device. The device comprises, like the previous one, a nose pad 30 and a support rod 40. The rear face of the nose pad, or sole 31, has a protrusion 32 having two substantially parallel faces 32-1 (only one face being visible in FIG. 2A ). Each face 32-1 here has a longitudinal groove or groove 33. The distal end of the support rod 40 comprises a part 41 in the shape of a U forming a sort of clamp and comprising two elastic arms 42, 43. The internal faces of the arms 42, 43, that is to say the faces lying opposite, each have a boss 42-1, 43-1 generally obtained by punching the external faces of the arms. The device is assembled by snap-fitting ("clipping") of the protrusion 32 in the part 41, each boss 42-1, 43-1 cooperating with one of the grooves 33 to maintain the protrusion 32 in the part 41 while ensuring a certain angular movement. This second type of nose pad device has the advantage of being quickly assembled, and is found on a large majority of sunglasses or prescription glasses. However, this device also offers a limited angular movement of the nose pad relative to the support rod, of the order of 5 to 6 °. The present invention relates to a nose pad device which is quick to assemble, at a reasonable cost price, and which makes it possible to obtain an angular clearance of the nose pad clearly greater than that offered by the conventional devices which have just be described. These objectives are achieved by providing a nose pad device for a spectacle frame, comprising at least one nose pad, a support rod and means of articulation of the nose pad on the support rod, in which the distal end of the support rod comprises a substantially T-shaped part comprising two male half-axes of rotation, and in which the rear face of the nose pad comprises two protuberances made of a flexible and elastic material, each protuberance comprising a joint orifice for receiving one of the half-axes, the protuberances having to be spread apart relative to one another for the insertion of the half-axes into the articulation orifices. According to one embodiment, the support rod comprises an end portion which extends beyond half-axes for cooperating with the rear face of the nose pad and forming a rotation stop for the nose pad. According to one embodiment, the end part of the support rod cooperates with a region of the rear face of the nose pad located between the two protuberances. According to one embodiment, the end part of the support rod cooperates by parallel contact with a profile extending between the two protuberances, to form a first soft rotation stop. According to one embodiment, the distal end of the support rod has a section cooperating by parallel contact with a profile extending between the two protrusions, to form a second soft rotation stop. According to one embodiment, the distal end of the support rod is substantially in the shape of a cross, the end part of the support rod extending perpendicular to the half-axes. According to one embodiment, the nose pad has, relative to the support rod, an angular movement of between 15 ° and 45 °. According to one embodiment, the protuberances are made of flexible PVC. According to one embodiment, the rear face of the nose pad forms a sole made of the same material as the protuberances, the protuberances and the sole forming a single piece. According to one embodiment, the support rod is made of metal. According to one embodiment, the support rod is made of plastic. The present invention also relates to a spectacle frame, comprising a nose pad device according to the invention. These objects, characteristics and advantages, as well as others of the present invention, will be explained in more detail in the following description of an exemplary embodiment of a nose pad device according to the invention, given without limitation in relation to the attached figures among which:
- les figures 1A, 1B précédemment décrites représentent respectivement par une vue éclatée et une vue assemblée un premier type de dispositif de plaquette nasale classique, - les figures 2A, 2B précédemment décrites représentent respectivement par une vue éclatée et une vue assemblée un second type de dispositif de plaquette nasale classique,- Figures 1A, 1B previously described respectively by an exploded view and an assembled view a first type of conventional nose pad device, - Figures 2A, 2B previously described respectively by an exploded view and an assembled view a second type of classic nose pad device,
- les figures 3A, 3B représentent respectivement par une vue éclatée et une vue assemblée un dispositif de plaquette nasale selon l'invention, et les figures 4A, 4B sont des vues en coupe longitudinale, dans le sens de son épaisseur, d'un, mode de réalisation du dispositif de plaquette nasale selon l'invention, montrant deux butées de rotation. Les figures 3A, 3B représentent, respectivement par une vue éclatée et une vue assemblée, un dispositif de plaquette nasale selon 1 ' invention comprenant une plaquette nasale 50 et une tige support 60. Selon l'invention, la face arrière de la plaquette nasale 50, ou semelle 51, comporte deux excroissances ou lèvres 52, 53 en un matériau souple et élastique. Chaque lèvre 52, 53 présente une face interne et une face externe, les faces internes des lèvres se trouvant en vis-à-vis. Chaque lèvre 52, 53 comporte un orifice d'articulation 52-1, respectivement 53-1, qui débouche sur la face interne de la lèvre. Les orifices 52-1, 53-1 peuvent être traversant et déboucher sur les faces externes des lèvres, comme représenté sur les figures 3A, 3B, ou être non traversant et ne déboucher que sur les faces internes . Ils sont alignés suivant un axe de perçage commun AA' qui est sensiblement parallèle au plan de la semelle 51 et sensiblement perpendiculaire à l'axe longitudinal de la plaquette nasale 50. La tige support 60 présente une extrémité proximale 60-1, une extrémité distale 60-2, et une partie centrale coudée 60-3 s ' étendant entre l'extrémité proximale 60-1 et l'extrémité distale 60-2. La courbure de la partie 60- 3 est déterminée de manière que la plaquette nasale 50 soit sensiblement parallèle aux ailes du nez lorsque l'extrémité proximale 60-1 est fixée sur une monture de lunettes . Selon l'invention, l'extrémité distale 60-2 de la tige support comprend un tronçon 61 s ' étendant à partir de la partie coudée 60-3, et deux demi-axes mâles 62, 63 sensiblement perpendiculaires au tronçon 61, l'ensemble formant une partie de la tige support qui est sensiblement en forme de T. De préférence, l'extrémité distale 60-2 de la tige support comprend également une partie d'extrémité 64 qui s'étend au-delà des demi-axes 62, 63. La partie d'extrémité 64 est alignée ici avec le tronçon 61, et s'étend dans une direction perpendiculaire aux demi-axes 62, 63. L'extrémité distale 60-2 a ainsi la forme d'une croix , la croix étant formée par le tronçon 61, les demi-axes 62, 63 et la partie d'extrémité 64. L'assemblage du dispositif selon l'invention est particulièrement simple et rapide et consiste à écarter les lèvres 52, 53 afin d'insérer les demi-axes mâles 62, 63 dans les orifices correspondants 52-1, 53-1. Les lèvres sont ensuite relâchées et reprennent leur position initiale par effet élastique, de sorte que les demi-axes 62, 63 se retrouvent prisonniers dans les orifices 52-1, 53-1, la partie d'extrémité 64 se retrouvant logée entre les deux lèvres . Afin de faciliter plus encore l'assemblage du dispositif, les extrémités des demi-axes 62, 63 peuvent être sensiblement biseautées, comme cela apparaît en figure 3A en ce qui concerne l'extrémité du demi-axe 62. Le dispositif selon l'invention offre un débattement angulaire important de la plaquette nasale relativement à la tige support, pouvant atteindre les 45°. Afin de limiter ce débattement, la partie d'extrémité 64 vient buter contre la semelle 51 lorsqu'une certaine position angulaire est atteinte, et forme ainsi une butée de rotation. Le débattement angulaire de la plaquette nasale peut être librement déterminé en choisissant la longueur de la partie d'extrémité 64, en tenant compte de la distance entre les orifices 52-1, 53-1 et la semelle 51. Les figures 4A, 4B sont des vues en coupe longitudinales dans le sens de l'épaisseur de la plaquette nasale, illustrant un mode de réalisation particulier du dispositif selon l'invention. Dans ce mode de réalisation, une excroissance 70 ayant un profil déterminé est prévue entre les deux lèvres, pour obtenir deux butées "douces" de rotation déterminant le débattement angulaire maximal de la plaquette nasale . Ce débattement angulaire est ici choisi de l'ordre de 15° à 20°, ce qui est suffisant en pratique pour répondre aux objectifs d'ergonomie et de confort visés par la présente invention. Sur les figures 4A, 4B, on distingue la lèvre 53 qui se trouve en arrière du plan de coupe, la partie coudée 60-3 et la partie distale 60-2 de la tige support, formée par le tronçon 61, les demi-axes 62, 63 et la partie d'extrémité 64 de la tige support. L'épaisseur moyenne de la semelle est représentée par une ligne 54 en traits pointillés, qui correspond à la surface de la semelle. L'excroissance 70 est une sorte d'arête longitudinale de faible épaisseur qui prend place entre les deux lèvres, et qui s'étend au-delà de la ligne d'épaisseur moyenne 54 de la plaquette nasale, dans une direction sensiblement verticale au plan de la semelle 51. L'excroissance 70 présente une partie 71 sensiblement parallèle au plan de la semelle, et une partie inclinée 72 qui tend vers la ligne d'épaisseur moyenne 54. La figure 4A représente une première position de butée de rotation de la plaquette nasale. Dans cette position, le tronçon 61 de l'extrémité distale de la tige support vient en appui contre la partie 71 de l'excroissance 70, parallèlement à celle-ci, et bloque la rotation de la plaquette nasale en formant ainsi une première butée de rotation. La partie d'extrémité 64 de la tige support s'étend au-dessus de la partie inclinée 72 de l'excroissance 70 mais ne coopère pas avec cette dernière . La figure 4B représente une seconde position de butée de rotation de la plaquette nasale. Dans cette seconde position, le tronçon 61 de l'extrémité distale de la tige support présente un angle de l'ordre de 15° à 20° relativement à la partie 71 de l'excroissance 70. La partie d'extrémité 64 de la tige support vient ici au contact de la partie inclinée 72 de l'excroissance 70, parallèlement à celle-ci, et bloque la rotation de la plaquette nasale, en formant une seconde butée de rotation. Les deux butées de rotation ainsi obtenues sont des butées douces car le contact entre les pièces qui coopèrent pour former butée est un contact parallèle, permettant d'éviter une détérioration des surfaces en contact . Il apparaîtra clairement à l'homme de l'art que la partie d'extrémité 64 de la tige support peut revêtir diverses autres formes et coopérer de diverses autres manières avec la semelle 51. Le dispositif selon l'invention est d'un faible encombrement et d'une esthétique avantageuse. De nombreuses formes peuvent être données aux lèvres 52, 53, par exemple le profil recourbé représenté sur les figuresFIGS. 3A, 3B respectively show an exploded view and an assembled view of a nose pad device according to the invention, and FIGS. 4A, 4B are views in longitudinal section, in the direction of its thickness, of one, embodiment of the nose pad device according to the invention, showing two rotational stops. Figures 3A, 3B show, respectively by an exploded view and an assembled view, a nose pad device according to one invention comprising a nose pad 50 and a support rod 60. According to the invention, the rear face of the nose pad 50 , or sole 51, has two protuberances or lips 52, 53 made of a flexible and elastic material. Each lip 52, 53 has an internal face and an external face, the internal faces of the lips being opposite. Each lip 52, 53 has an orifice articulation 52-1, respectively 53-1, which opens onto the internal face of the lip. The orifices 52-1, 53-1 may be through and open onto the external faces of the lips, as shown in FIGS. 3A, 3B, or be non-through and open only through the internal faces. They are aligned along a common drilling axis AA 'which is substantially parallel to the plane of the sole 51 and substantially perpendicular to the longitudinal axis of the nose pad 50. The support rod 60 has a proximal end 60-1, a distal end 60-2, and a bent central part 60-3 extending between the proximal end 60-1 and the distal end 60-2. The curvature of the part 60-3 is determined so that the nose pad 50 is substantially parallel to the wings of the nose when the proximal end 60-1 is fixed to a spectacle frame. According to the invention, the distal end 60-2 of the support rod comprises a section 61 extending from the bent part 60-3, and two male half-axes 62, 63 substantially perpendicular to the section 61, the assembly forming a part of the support rod which is substantially T-shaped. Preferably, the distal end 60-2 of the support rod also comprises an end part 64 which extends beyond the half-axes 62 , 63. The end portion 64 is aligned here with the section 61, and extends in a direction perpendicular to the half-axes 62, 63. The distal end 60-2 thus has the shape of a cross, the cross being formed by the section 61, the half-axes 62, 63 and the end portion 64. The assembly of the device according to the invention is particularly simple and rapid and consists in spreading the lips 52, 53 in order to insert the male half-axes 62, 63 in the corresponding orifices 52-1, 53-1. The lips are then released and return to their initial position by elastic effect, so that the half-axes 62, 63 are trapped in the orifices 52-1, 53-1, the end part 64 being found housed between the two lips . In order to further facilitate the assembly of the device, the ends of the half-axes 62, 63 can be substantially bevelled, as appears in FIG. 3A with regard to the end of the half-axis 62. The device according to the invention offers significant angular movement of the nose pad relative to the support rod, up to 45 °. In order to limit this movement, the end part 64 abuts against the sole 51 when a certain angular position is reached, and thus forms a rotation stop. The angular movement of the nose pad can be freely determined by choosing the length of the end portion 64, taking into account the distance between the orifices 52-1, 53-1 and the sole 51. FIGS. 4A, 4B are longitudinal sectional views in the thickness direction of the nose pad, illustrating a particular embodiment of the device according to the invention. In this embodiment, a projection 70 having a determined profile is provided between the two lips, to obtain two "soft" stops of rotation determining the maximum angular movement of the nose pad. This angular movement is here chosen of the order of 15 ° to 20 °, which is sufficient in practice to meet the objectives of ergonomics and comfort targeted by the present invention. In FIGS. 4A, 4B, a distinction is made between the lip 53 which is located behind the cutting plane, the bent part 60-3 and the distal part 60-2 of the support rod, formed by the section 61, the half-axes 62, 63 and the end part 64 of the support rod. The average thickness of the sole is represented by a line 54 in dotted lines, which corresponds to the surface of the sole. The protuberance 70 is a kind of longitudinal edge of small thickness which takes place between the two lips, and which extends beyond the line of average thickness 54 of the nose pad, in a direction substantially vertical to the plane of the sole 51. The protrusion 70 has a part 71 substantially parallel to the plane of the sole, and an inclined part 72 which tends towards the line of average thickness 54. FIG. 4A represents a first position of rotation stop of the nose pad. In this position, the section 61 of the distal end of the support rod bears against the part 71 of the protrusion 70, parallel to the latter, and blocks the rotation of the nose pad, thus forming a first stop of rotation. The end part 64 of the support rod extends above the inclined part 72 of the projection 70 but does not cooperate with the latter. Figure 4B shows a second position of rotation stop of the nose pad. In this second position, the section 61 of the distal end of the support rod has an angle of the order of 15 ° to 20 ° relative to the part 71 of the protrusion 70. The end part 64 of the rod support here comes into contact with the inclined portion 72 of the protrusion 70, parallel to it, and blocks the rotation of the nose pad, forming a second rotation stop. The two rotation stops thus obtained are soft stops because the contact between the parts which cooperate to form a stop is a parallel contact, making it possible to avoid deterioration of the surfaces in contact. It will be clear to a person skilled in the art that the end part 64 of the support rod can take various other forms and cooperate in various other ways with the sole 51. The device according to the invention is compact. and an attractive aesthetic. Many shapes can be given to the lips 52, 53, for example the curved profile shown in the figures
(profil sur chant) , les lèvres se rejoignant dans une région ne recevant pas l'extrémité distale 60-2 de la tige support, pour former une partie commune 55 d'épaisseur décroissante (Fig. 3A, 3B) . Les lèvres 52, 53 sont par exemple réalisées en polymère ou en élastomère, par exemple en PVC souple, ce matériau étant déjà utilisé dans l'art antérieur pour réaliser les excroissances des plaquettes nasales décrites plus haut . Les lèvres 52, 53 et la semelle 51 sont de préférence réalisées en une seule pièce. La face avant de la plaquette nasale 50 peut comprendre un coussinet fixé sur la semelle 51 ou être elle-même du même matériau que la semelle. Dans ce cas, toute la plaquette nasale 50 est réalisée d'un seul bloc. La tige support 60 est en un matériau métallique ou en une matière plastique rigide ou semi-rigide. La tige support peut être une pièce monobloc, comme représentée sur les figures, ou une pièce assemblée. Dans le second cas, les demi-axes 62, 63 peuvent par exemple être réalisés en collant ou en soudant un petit barreau transversalement au corps longitudinal de la tige support, de manière à obtenir un profil en T ou en croix (selon qu'une butée de rotation est souhaitée ou non) . La présente invention est susceptible de diverses autres variantes à la portée de l'homme de l'art, notamment en ce qui concerne la forme et 1 ' agencement des divers éléments, les matériaux utilisés et les techniques mises en œuvre pour réaliser ces éléments . (profile on edge), the lips joining in a region not receiving the distal end 60-2 of the support rod, to form a common part 55 of decreasing thickness (Fig. 3A, 3B). The lips 52, 53 are for example made of polymer or elastomer, for example flexible PVC, this material already being used in the prior art for producing the protuberances of the nasal platelets described above. The lips 52, 53 and the sole 51 are preferably made in one piece. The front face of the nose pad 50 may comprise a pad fixed to the sole 51 or may itself be of the same material as the sole. In this case, the entire nose pad 50 is made in one piece. The support rod 60 is made of a metallic material or of a rigid or semi-rigid plastic material. The support rod can be a single piece, as shown in the figures, or an assembled piece. In the second case, the half-axes 62, 63 can for example be made by gluing or welding a small bar transversely to the longitudinal body of the support rod, so as to obtain a T or cross profile (depending on whether a rotation stop is desired or not). The present invention is susceptible of various other variants within the reach of those skilled in the art, in particular as regards the shape and arrangement of the various elements, the materials used and the techniques used to produce these elements.

Claims

REVENDICATIONS
1. Dispositif de plaquette nasale pour monture de lunettes, comprenant au moins une plaquette nasale (50), une tige support (60) et des moyens d'articulation de la plaquette nasale sur la tige support, caractérisé en ce que :1. A nose pad device for a spectacle frame, comprising at least one nose pad (50), a support rod (60) and means of articulation of the nose pad on the support rod, characterized in that:
- l'extrémité distale (60-2) de la tige support (60) comprend une partie sensiblement en forme de T comportant deux demi-axes de rotation mâles (62, 63), etthe distal end (60-2) of the support rod (60) comprises a substantially T-shaped part comprising two half-axes of male rotation (62, 63), and
- la face arrière (51) de la plaquette nasale comprend deux excroissances (52, 53) en un matériau souple et élastique, chaque excroissance comprenant un orifice d'articulation (52-1, 53-1) pour recevoir l'un des demi- axes (62, 63), les excroissances devant être écartées l'une relativement à l'autre pour l'insertion des demi- axes dans les orifices d'articulation.- the rear face (51) of the nose pad comprises two protuberances (52, 53) made of a flexible and elastic material, each protuberance comprising a joint orifice (52-1, 53-1) to receive one of the half - axes (62, 63), the protrusions having to be spaced apart relative to one another for the insertion of the half-axes in the articulation orifices.
2. Dispositif de plaquette nasale selon la revendication 1, dans lequel la tige support (60) comprend une partie d'extrémité (64) qui se prolonge au- delà des demi-axes (62, 63) pour coopérer avec la face arrière (51) de la plaquette nasale et former une butée de rotation de la plaquette nasale.2. A nose pad device according to claim 1, in which the support rod (60) comprises an end part (64) which extends beyond the half-axes (62, 63) to cooperate with the rear face ( 51) of the nose pad and form a stop for rotation of the nose pad.
3. Dispositif de plaquette nasale selon la revendication 2, dans lequel la partie d'extrémité (64) de la tige support coopère avec une zone de la face arrière (51) de la plaquette nasale située entre les deux excroissances (52, 53).3. nose pad device according to claim 2, wherein the end portion (64) of the support rod cooperates with a region of the rear face (51) of the nose pad located between the two protuberances (52, 53) .
4. Dispositif de plaquette nasale selon l'une des revendications 2 et 3 , dans lequel la partie d'extrémité (64) de la tige support coopère par contact parallèle avec un profil (70, 72) s ' étendant entre les deux excroissances (52, 53), pour former une première butée douce de rotation.4. Nose pad device according to one of claims 2 and 3, wherein the end portion (64) of the support rod cooperates by parallel contact with a profile (70, 72) extending between the two protuberances (52, 53), to form a first soft rotation stop.
5. Dispositif de plaquette nasale selon l'une des revendications 2 à 4, dans lequel l'extrémité distale (60-2) de la tige support présente un tronçon (61) coopérant par contact parallèle avec un profil (70, 71) s 'étendant entre les deux excroissances (52, 53), pour former une seconde butée douce de rotation.5. Nose pad device according to one of claims 2 to 4, wherein the distal end (60-2) of the support rod has a section (61) cooperating by parallel contact with a profile (70, 71) s 'extending between the two protuberances (52, 53), to form a second soft rotation stop.
6. Dispositif de plaquette nasale selon l'une des revendications 2 à 5, dans lequel l'extrémité distale (60-2) de la tige support est sensiblement en forme de croix, la partie d'extrémité (64) de la tige support s'étendant perpendiculairement aux demi-axes (62, 63).6. Nose pad device according to one of claims 2 to 5, wherein the distal end (60-2) of the support rod is substantially in the shape of a cross, the end part (64) of the support rod extending perpendicular to the semi-axes (62, 63).
7. Dispositif de plaquette nasale selon l'une des revendications 2 à 6, dans lequel la plaquette nasale présente relativement à la tige support un débattement angulaire compris entre 15° et 45°.7. Nose pad device according to one of claims 2 to 6, wherein the nose pad has relative to the support rod an angular movement between 15 ° and 45 °.
8. Dispositif de plaquette nasale selon l'une des revendications 1 à 7, dans lequel les excroissances (52, 53) sont en PVC souple.8. A nose pad device according to one of claims 1 to 7, in which the protuberances (52, 53) are made of flexible PVC.
9. Dispositif de plaquette nasale selon l'une des revendications 1 à 8, dans lequel la face arrière (51) de la plaquette nasale forme une semelle en un même matériau que les excroissances (52, 53), les excroissances et la semelle formant une pièce monobloc.9. Nose pad device according to one of claims 1 to 8, in which the rear face (51) of the nose pad forms a sole made of the same material as the protuberances (52, 53), the protrusions and the sole forming a single piece.
10. Dispositif de plaquette nasale selon l'une des revendications 1 à 9, dans lequel la tige support (60) est en métal . 10. Nose pad device according to one of claims 1 to 9, in which the support rod (60) is made of metal.
11. Monture de lunettes, comprenant un dispositif de plaquette nasale selon l'une des revendications 1 à 10. 11. Spectacle frame, comprising a nose pad device according to one of claims 1 to 10.
PCT/FR2004/002601 2003-10-17 2004-10-13 Nose pad device for spectacle frame WO2005038510A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0312156 2003-10-17
FR0312156A FR2861189B1 (en) 2003-10-17 2003-10-17 NASAL PLATE DEVICE FOR EYEGLASS MOUNT

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WO2005038510A1 true WO2005038510A1 (en) 2005-04-28

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034520A1 (en) * 2005-09-26 2007-03-29 Safilo Società Azionaria Fabbrica Improved frame for spectacles
KR200463356Y1 (en) 2011-06-21 2012-10-30 이상탁 Functions and features removable hinge temples with Junctions
CN104111540A (en) * 2013-04-19 2014-10-22 埃西勒国际通用光学公司 Nose Support Assembly And Corresponding Spectacle Frame
JP2017529571A (en) * 2014-08-29 2017-10-05 チャンソプ クム Glasses with a nose pad for easy binding

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101149489A (en) * 2006-09-22 2008-03-26 潘钦民 Integral forming nose pad and nose hook, and glasses possessing same

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FR1401735A (en) * 1964-06-29 1965-06-04 Spectacle frame
US4681411A (en) * 1984-10-19 1987-07-21 Comet - Construzione Occhiali Metallo S.P.A. Eyeglass nosepiece holder
FR2748825A3 (en) * 1996-05-14 1997-11-21 Da Via Luigi Srl Element for supporting spectacles on nasal septum
FR2820835A1 (en) * 2001-02-09 2002-08-16 Lebas Sports Spectacle frame nose bridge support pad assembly has link with perpendicular pivots between pad and frame cage
WO2003062905A1 (en) * 2001-12-31 2003-07-31 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. Spectacle frame

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Publication number Priority date Publication date Assignee Title
FR1401735A (en) * 1964-06-29 1965-06-04 Spectacle frame
US4681411A (en) * 1984-10-19 1987-07-21 Comet - Construzione Occhiali Metallo S.P.A. Eyeglass nosepiece holder
FR2748825A3 (en) * 1996-05-14 1997-11-21 Da Via Luigi Srl Element for supporting spectacles on nasal septum
FR2820835A1 (en) * 2001-02-09 2002-08-16 Lebas Sports Spectacle frame nose bridge support pad assembly has link with perpendicular pivots between pad and frame cage
WO2003062905A1 (en) * 2001-12-31 2003-07-31 SAFILO SOCIETÀ AZIONARIA FABBRICA ITALIANA LAVORAZIONE OCCHIALI S.p.A. Spectacle frame

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007034520A1 (en) * 2005-09-26 2007-03-29 Safilo Società Azionaria Fabbrica Improved frame for spectacles
KR200463356Y1 (en) 2011-06-21 2012-10-30 이상탁 Functions and features removable hinge temples with Junctions
CN104111540A (en) * 2013-04-19 2014-10-22 埃西勒国际通用光学公司 Nose Support Assembly And Corresponding Spectacle Frame
US9638933B2 (en) 2013-04-19 2017-05-02 Essilor International (Compagnie Generale D'optique) Nose support assembly and corresponding spectacle frame
JP2017529571A (en) * 2014-08-29 2017-10-05 チャンソプ クム Glasses with a nose pad for easy binding

Also Published As

Publication number Publication date
FR2861189B1 (en) 2006-02-03
FR2861189A1 (en) 2005-04-22

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