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
  • G02C5/14—Side-members
  • G02C5/146—Side-members having special front end
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C11/00—Non-optical adjuncts; Attachment thereof
  • G02C11/02—Ornaments, e.g. exchangeable
• • 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
  • G02C5/14—Side-members
  • G02C5/18—Side-members reinforced
• • 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
  • G02C2200/20—Friction elements

Definitions

• the present invention relates to a branch of glasses and glasses equipped with such a branch.
• It relates more particularly to a branch of glasses having a frame and at least one decorative sleeve rotatably mounted around said frame.
• glasses have a face, sometimes called optical facade, provided with glasses for example optical glasses and / or sunglasses and / or protective glasses and / or safety glasses, said face being supported or not by a eyeglass frame, and two eyeglass branches, said lateral branches, connected to the face or to the eyeglass frame via a tenon and an associated articulation; the stud being connected, on the one hand, to the face and, on the other hand, to the branch via the hinge that it supports.
• glasses sometimes called optical facade, provided with glasses for example optical glasses and / or sunglasses and / or protective glasses and / or safety glasses, said face being supported or not by a eyeglass frame, and two eyeglass branches, said lateral branches, connected to the face or to the eyeglass frame via a tenon and an associated articulation; the stud being connected, on the one hand, to the face and, on the other hand, to the branch via the hinge that it supports.
• the articulation is for example in the form of a hinge hinge comprising, on the one hand, a knuckle fixed on the tenon and supporting a hinge pin (and more particularly on an inner face of the tenon) and, on the other hand, a base fixed on the front end of the armature of the bran che corresponds to nte and mounted p ivotante autou r of the axis of articulation.
• the branches are movable relative to the post between an open position and a closed position, the open position corresponding to the wear position of the spectacles by the user where the branches are deployed and extend for example substantially perpendicular to the face, and the closed position corresponding to the storage position of the glasses in their case where the branches are folded against the face.
• the tenons are generally fixed directly to the frame, for example by welding, gluing or coming from the frame with the frame in question.
• the tenons are attached directly to the glasses, in particular by drilling and screwing in the glasses or by pins or claws on the edges of the glasses.
• a branch of spectacles prefferably to comprise a rigid frame made in particular of steel, composite material or rigid plastic, which consists essentially of two parts, namely a generally rectilinear front part intended to be connected to the face or the eyeglass frame, and a generally curved rear portion for circumventing the back of the ear and possibly to bear on the ear.
• the document EP 1 071 976 A1 describes a branch of spectacles comprising a fixed part and a decorative element mounted movably between two positions by pivoting and articulated around a rod. at least one end is secured to the branch.
• the blocking of the decorative element is ensured by a cavity oriented perpendicular to the pivoting rod of the decorative element in which is housed a spring exerting pressure on a ball to be positioned, when the decorative element is in position, said rod having semispherical cavities diametrically opposed to receive said ball.
• These glasses have the main disadvantage of being complex and expensive design, because requiring locking means in position of the decorative element that are complex with a spring, a ball and specific cavities formed in the decorative element and the rod.
• the spectacles comprise rotational temporal parts and means for articulating the branch on the spectacle frame, where the articulation means comprise a central claw member and outer claw members spaced from and parallel to the central claw member.
• the articulation means comprise a central claw member and outer claw members spaced from and parallel to the central claw member.
• the latter have a cavity for receiving the central claw and the upper and lower cavities for receiving the external claws, not to mention the presence of one or more springs opposing a sliding temporal pieces.
• these glasses have the main disadvantage of being complex and expensive design, because requiring locking means in position of the decorative element that are complex with a or several springs, cavities and specific claws in the temporal pieces.
• these glasses require first to translate the temporal parts in one direction to unlock them and allow their respective rotations, and in a second time to translate the temporal parts in an opposite direction to block them again in rotation, thus making it more difficult for a spectacle wearer to quickly and simply change the appearance of his glasses.
• the present invention is intended in particular to solve all or part of the disadvantages mentioned above, by proposing a spectacle arm provided with at least one rotary decoration sleeve and means for indexing the rotational position of the sleeve which are of simple and inexpensive design, and are adapted for easy handling by the user wishing to change the appearance of the glasses branch.
• the elastically deformable element is deformed elastically between two indexing zones of the bearing surface in order to allow the passage of the sleeve from one indexing position to the other indexing position.
• indexing means of the rotational position of the sleeve relative to the armature of the branch are arranged to define indexing positions in rotation of the sleeve around the armature, and thus to maintain the sleeve in the sleeve.
• the rotation of the sleeve is therefore possible only beyond a threshold force of rotation defined by the stiffness / elasticity of the elastically deformable element, so that this elastically deformable element allows immobilization or retention of the sleeve. position and avoids having parasitic movements of the sleeve once the glasses worn by its user.
• the sleeve is provided with at least first and second distinct decorative surfaces, and is movable between at least a first and a second exposure position, where in the first exposure position, respectively the second position the first decorative surface, respectively the second decorative surface, is exposed on the outside of the branch.
• the indexing means are shaped to define the first and second exposure positions as indexing positions of the sleeve.
• decorative surface a surface provided with a decoration.
• Such a decoration may be in the form of a chosen color and / or selected patterns and / or selected materials.
• Such patterns may be in the form of raised patterns and / or intaglio patterns and / or colored patterns. It is understood by exposing one and / or the other of the decorative surfaces to position on the outside of the glasses branches, opposite to the spectacle wearer, one and / or the other of the surfaces. in order to make these visible to the surrounding people.
• the first decorative surface corresponds to a surface of this outer wall having a first decoration and the second decorative surface corresponds to another surface of this outer wall having a second decoration.
• the sleeve has three or more distinct decorative surfaces. With two decorative surfaces, a rotation of the sleeve of 180 ° makes it possible to pass from one to the other decorative surfaces. With three decorative surfaces, a 120 ° rotation of the sleeve makes it possible to go from a decorative surface to a contiguous decorative surface.
• the sleeve is made at least partially in a rigid material, and is particularly entirely rigid.
• the elastically deformable element is bonded to the armature and the bearing surface corresponds to an inner surface of an inner housing of the non-circular section sleeve.
• the indexing zones are defined by the shape of the inner housing of the sleeve, while the elastically deformable element is connected to the armature.
• the elastically deformable element is bonded to the sleeve and the bearing surface corresponds to an outer surface of the non-circular section reinforcement.
• the elastically deformable element comprises at least one elastically deformable blade having a first end fixed to the armature (first embodiment) or to the sleeve (second embodiment) , and a second free end.
• This blade fixedly attached to the armature or the sleeve, deforms under the effect of the rotation of the sleeve with the first end which remains fixed on the armature or on the sleeve, and with the second end which moves following the deformation in question of the blade, to then cover its initial position relative to the armature or the sleeve.
• the first end of the blade is fixed on the armature or on the sleeve, and the second end slides along the armature (first embodiment) or the sleeve (second embodiment). realization) during the elastic deformation of the blade imposed by the rotation of the sleeve.
• the first end of the blade is fixed on the outer surface of the armature and the second end of the blade is sliding on the outer surface of the armature, in a longitudinal direction, when the rotation of the sleeve; while in the second embodiment, the first end of the blade is fixed on the inner surface of the inner housing of the sleeve and the second end of the blade is slid on the inner surface, in a longitudinal direction, during the rotation of the muff,
• the second end of the blade is engaged in a groove in the armature (first embodiment) or in the sleeve (second embodiment) to be guided in translation.
• the second end of the blade remains confined in this groove; said groove advantageously forming a linear and blind slot formed on the outer surface of the armature, or on the inner surface of the inner housing of the sleeve, for receiving the second end of the blade.
• the or each blade is substantially flat and has a first end fixed in a longitudinal groove formed in the frame, the blade being designed so that the second end slides inside said groove longitudinal during the elastic deformation of the blade imposed by the rotation of the sleeve.
• the second end of the blade engages between the walls defining this longitudinal groove and slides between them; this gl isse being effected mainly in a direction transverse to the armature.
• the elastically deformable element comprises two blades facing each other. secured to one another at their first ends by means of a base from which the two blades project, the base being fixed in the longitudinal groove formed in the armature and passing through this frame in the thickness .
• the second ends of the blades slide inside the longitudinal groove, approaching one another, during the rotation of the sleeve.
• the elastically deformable element comprises two blades and each blade is substantially flat and has a first end fixed in a longitudinal groove formed in the armature, each blade being designed so that the second end slides. within said longitudinal groove during the elastic deformation of the blade imposed by the rotation of the sleeve.
• each blade engages between the walls delimiting this longitudinal groove and slides between them; this sliding occurs mainly in a direction transverse to the frame.
• the elastically deformable element is made in the form of a section of the armature of undulating shape and elastically deformable, and the bearing surface corresponds to an internal surface of a inner housing of the sleeve of non-circular section.
• this section has two distinct support zones on the inner surface of the inner housing of the sleeve.
• the branch further comprises a hinge hinge comprising, on the one hand, a knuckle fixed on a tenon and supporting a hinge pin and, on the other hand, a base fixed on a front end of the armature and pivotally mounted about the hinge axis, wherein the base and the front end of the sleeve each has a transverse surface facing one another.
• the bearing surface corresponds to one of the two transverse surfaces with the indexing zones formed in the form of recesses extending radially with respect to the axis of rotation of the sleeve, and in wherein the elastically deformable element comprises at least one elastically deformable blade mounted on the other of the two transverse surfaces.
• the or each blade has a first end fixed on the transverse surface concerned, and a second free end.
• the first end of the blade is fixed in a transverse groove formed in the transverse surface concerned, and the second end of the blade is engaged in this transverse groove in particular to be guided in translation during the elastic deformation of the blade.
• the invention also relates to spectacles having at least one branch according to the invention.
• FIG. 1 is a side view of glasses according to the invention.
• FIGS. 2a to 2c are partial perspective views of a branch of the spectacles of FIG. 1 in several positions during an operation of modifying the appearance of the branch by rotation of the decoration sleeve;
• FIG. 3a is a partial longitudinal sectional view of a spectacle arm according to a first possibility of a first embodiment of the invention
• FIGS. 3b and 3c are cross-sectional views of the branch illustrated in FIG. 3a along axes BB and CC, respectively;
• - Figure 4b is a top view of the branch shown in Figure 4a;
• - Figure 4c is cross-sectional view of the branch shown in Figure 4b along the axis CC;
• FIG. 4d is a side view of a device with two blades forming part of the indexing means equipping the branch illustrated in FIG. 4a;
• Figure 4e is a longitudinal sectional view of the branch illustrated in Figure 4a with the sleeve in an indexing position;
• FIG. 4f is a cross-sectional view of the branch illustrated in FIG. 4e along the axis FF;
• Figure 4g is a view identical to that of Figure 4e after rotation at 90 ° of the sleeve, the sleeve occupying an intermediate position between two indexing positions;
• Figure 4h is a cross sectional view of the branch shown in Figure 4g along the axis HH;
• FIG. 5a is a partial side view of a branch for glasses according to a third possibility of the first embodiment of the invention, the sleeve is not illustrated in this figure;
• Figure 5b is a top view of the branch shown in Figure 5a;
• Figure 5c is a longitudinal sectional view of the branch shown in Figure 5a with the sleeve in an indexing position;
• Figure 5d is a cross-sectional view of the branch shown in Figure 5c along the axis DD;
• Figure 5e is a view identical to that of Figure 5c after 90 ° rotation of the sleeve, the sleeve occupying an intermediate position between two indexing positions;
• FIGS. 6a and 6b are respectively side and top views of an eyeglass branch during a first step of a manufacturing process of the branch illustrated in FIG. 5a;
• FIGS. 7a and 7b are respectively side and top views of the branch of FIGS. 6a and 6b during a second step of the manufacturing process of the branch illustrated in FIG. 5a; and FIG. 8 is a side view of the branch of FIGS. 7a and 7b during a third and last step of the manufacturing process of the branch illustrated in FIG. 5a;
• FIG. 9a is a partial longitudinal sectional view of a spectacle arm according to a second embodiment of the invention.
• Figure 9b is a cross-sectional view of the branch shown in Figure 9a along the axis BB;
• FIG. 10a is a partial longitudinal sectional view of a branch of glasses according to a third embodiment of the invention.
• Figure 10b is a cross-sectional view of the branch shown in Figure 10a along the axis BB;
• FIG. 1 1a is a partial longitudinal sectional view of an eyeglass branch according to a fourth embodiment of the invention, with the sleeve in an indexing position;
• the glasses include:
• each arm 2 comprises: a rigid armature 5 which consists essentially of two parts, namely a front part intended to be connected to the post 3 via the associated articulation, and a rear part intended to circumvent the back of the ear and possibly to be supported on the ear;
• the sleeve 6 is made at least partially in a rigid material. In a particular embodiment, the sleeve 6 is entirely rigid.
• the sleeve 6 illustrated in Figures 1 and 2 is provided with two distinct decorative surfaces 61, 62, namely a first 61 and a second 62 decorative surfaces, and is movable between a first and a second exposure positions, where in the first exposure position (visible in Figure 2a), respectively the second exposure position (visible in Figure 2c), the first decorative surface 61, respectively the second decorative surface 62, is exposed on the outside of the branch 2 .
• Figure 2a illustrates the branch 2 with the sleeve 6 in the first exposure position
• Figure 2c illustrates the glasses with the branch 2 with the sleeve 6 in the second exposure position.
• To move from the first exposure position to the second exposure position it is necessary to rotate the sleeve 6 by 180 ° until the latter reaches the second exposure position visible in Figure 2c; such a rotation of the sleeve 6 being illustrated by the arrows R in Figures 2b and 2c.
• the spectacles comprise means for indexing the position in rotation of the sleeve 6 relative to the armature 5 of the branch 2, said indexing means being arranged to define rotational indexing positions. the sleeve 6 around the armature 5; said indexing positions corresponding to the exposure positions of the sleeve 6, and each exposure position being associated with a decorative surface.
• the indexing means are shaped to define the first and second exposure positions as indexing positions of the sleeve 6.
• Figures 3 to 1 1 describe four embodiments of these indexing means.
• FIGS. 1 to 5 illustrate eyeglass branches according to a first embodiment of the invention, in which the indexing means comprise:
• An inner housing 66 of the sleeve 6 whose inner surface forms a bearing surface of the or each elastically deformable blade, said inner surface having a plurality of indexing zones because the inner housing 66 is of non-circular section.
• the indexing zones correspond to the areas of the support surface furthest from the armature 5 in a direction transverse or radial to the sleeve 6, and these zones are shaped so as not to hinder the rotation of the sleeve 6 and thus the displacement relative to the or each blade on this bearing surface during this rotation of the sleeve 6.
• the indexing means comprise:
• the blade 80 cooperates with the housing 66, and more specifically the blade 80 bears on the inner surface of the housing 66, so that at each indexing position of the sleeve 6 corresponds at least one support of the blade 80 with the one of the housing indexing areas 66; each indexing zone corresponding to a stable equilibrium point of the sleeve 6, that is to say that the blade 80 immobilizes or holds the sleeve 6 in the corresponding indexing position while bearing against the indexing zones concerned.
• the blade 80 is constrained between the inner surface of the housing 66 and the armature 5.
• the first end 81 of the blade 80 is fixed in a groove 56 formed in the armature 5, and the second end 82 slides along the armature 5 during the elastic deformation delala 80 me by the rotation of the ma nchon 6; this elastic deformation of the blade 80, between two indexing zones, allowing the passage of the sleeve 6 from an indexing position to another indexing position.
• the second end 82 can be engaged in a groove 57 formed in the frame 5 to be guided in translation.
• the grooves 56 and 57 may form one and the same continuous groove.
• Each groove 56, 57 is in the form of a linear groove or notch and blind, formed on the outer surface of the frame 5 in the longitudinal direction of the frame 5.
• the groove 57 is designed to receive the second end 82 of the blade 80, so that the second end 82 of the blade 80 remains confined in this groove 57.
• the indexing means according to this first possibility of the first embodiment are arranged to define two indexing positions in rotation of the sleeve 6, with a housing 66 which is oblong or oval.
• This slot 66 oblong or oval indeed defines two indexing zones at its ends.
• the housing 66 may be of generally triangular shape and thus define three indexing zones at each angle of the triangle to obtain three indexing / exposure positions, or the housing 66 may be of generally square shape and thus define four indexing zones at each corner of the square to obtain four indexing / exposure positions, etc.
• the sleeve 6 may also comprise a ring 83 mounted in the housing 66 and on which the blade 80 bears, so that the bearing surface of the blade 80 corresponds to the inner surface of this ring 83.
• the sleeve 6 may also include a seal 84 of complementary shape to that of the housing 66 and which blocks the housing 66 opening.
• the seal 84 allows a centering of the indexing means during assembly.
• the indexing means comprise:
• the blades 90 cooperate with the housing 66, and more specifically the blades 90 bear on the inner surface of the housing 66, so that at each indexing position of the sleeve 6 corresponds at least one support of the blades 90 with the respective indexing areas of the housing 66; each indexing zone corresponding to a stable equilibrium point of the sleeve 6, that is to say that the blades 90 immobilize or hold the sleeve 6 in the corresponding indexing position while bearing against the indexing zones concerned .
• the two blades 90 are arranged facing each other or facing each other, and secured to one another at their first ends. , by means of a base 93 from which the two blades 90 project.
• the blade assembly 90 / base 93 thus forms a device 9 with two blades 90 made for example in one piece in a plastic or metal material.
• This device with two blades 9 is substantially flat and is engaged in a longitudinal groove 55 formed in the frame 5.
• the base 93 is fixed in the longitudinal groove 55 of the frame 5, so that the first ends 91 of the blades 90 is fixed on the armature 5.
• This longitudinal groove 55 transversely crosses the armature 5 in its thickness, over a predefined length, so that in the rest position, one of the blades 90 protrudes on one side of the frame 5 while the other blade 90 protrudes on the other side of the frame 5, as illustrated in Figures 4a and 4e.
• the second ends 92 come closer to each other and slide inside the longitudinal groove 55, as illustrated in FIG. 4g, during the elastic deformation of the blades 90 imposed by the rotation of the sleeve 6.
• the blades 90 are deformed elastically so that the second ends 92 of the respective blades 90 engage between the walls delimiting this longitudinal groove 55 and slide between them, moving closer to one another. other; this sliding is effected mainly in a direction transverse to the frame 55.
• the elastic deformations of the blades 90, between two indexing zones allow the passage of the sleeve 6 from one indexing position to another indexing position.
• the indexing means according to this second possibility of the first embodiment are arranged to define two indexing positions in rotation of the sleeve 6, with a housing 66 which is oblong or oval.
• This slot 66 oblong or oval indeed defines two indexing zones at its ends.
• the housing 66 can be of generally triangular shape and thus define three indexing zones at each angle of the triangle to obtain three indexing / exposure positions, or the housing 66 may be of generally square shape and thus define four indexing zones at each corner square to obtain four indexing / exposure positions, etc.
• the sleeve 6 may also comprise a ring 83 mounted in the housing 66 and on which the blades 90 abut, so that the bearing surface of the blades 90 corresponds to the inner surface of this ring 83.
• the indexing means comprise:
• the blades 70 cooperate with the housing 66, and more specifically the blades 70 bear on the inner surface of the housing 66, so that at each indexing position of the sleeve 6 corresponds to at least one support of the blades 70 with the zones indexing respective housing 66; each indexing zone corresponding to a stable equilibrium point of the sleeve 6, that is to say that the blades 70 immobilize or hold the sleeve 6 in the corresponding indexing position while bearing against the indexing zones concerned .
• the two blades 70 are mounted head to tail and have their respective second ends 72 facing one another; the two blades 70 extending in two opposite directions.
• the two blades 70 are substantially flat and engaged in a longitudinal groove 55 formed in the armature 5.
• This longitudinal groove 55 transversely traverses the armature 5 in its thickness, over a predefined length, so that in the rest position, the one of the blades 70 protrudes from one side of the frame 5 while the other blade 70 protrudes from the other side of the frame 5, as illustrated in FIGS. 5a and 5c.
• the first end 71 of one of the blades 70 is attached to a first end of the longitudinal groove 55, namely the front end located on the side of the face of the glasses, while the first end 71 of the other blade 70 is fixed to a second opposite end of the longitudinal groove 55, namely the rear end located on the end of the end of the branch 2.
• the second ends 72 come closer to each other and slide inside the longitudinal groove 55, as illustrated in FIG. 5e, during the elastic deformation of the blades 70 imposed by the rotation of the sleeve 6, until to eventually come into contact with each other.
• the blades 70 are elastically deformed so that the second ends 72 of the respective blades 70 engage between the walls defining this longitudinal groove 55 and slide between them, moving closer to one another. other; this sliding is effected mainly in a direction transverse to the armature 55. In this way, the elastic deformations of the blades 70, between two indexing zones, allow the passage of the sleeve 6 from one indexing position to another indexing position.
• the indexing means according to this third possibility of the first embodiment are arranged to define two indexing positions in rotation of the sleeve 6, with a housing 66 which is oblong or oval.
• This slot 66 oblong or oval indeed defines two indexing zones at its ends.
• the housing 66 may be of generally triangular shape and thus define three indexing zones at each angle of the triangle to obtain three indexing / exposure positions, or the housing 66 may be of generally square shape and thus define four indexing zones at each corner of the square to obtain four indexing / exposure positions, etc.
• the sleeve 6 may also comprise a ring 83 mounted in the housing 66 and on which the blades 70 bear, so that the bearing surface of the blades 70 corresponds to the inner surface of this ring 83.
• the method of manufacturing a spectacle arm according to this third possibility of the first embodiment of the invention comprises the following steps described with reference to FIGS. 6 to 8.
• the longitudinal groove 55 is formed in the frame 5 and the two blades 70 are carried by a welding frame 73.
• the frame 73 and the two blades 70 are made in one piece, made of metallic material, for example, with the two blades 70 which project internally in the frame 73, according to two opposite directions.
• the frame assembly 73 / blades 70 is slid into the longitudinal groove 55 of the frame 5, as illustrated by the arrows G in Figures 6a and 6b; a notch 74 that can be provided on the frame 73 for centering the frame 73 in the longitudinal groove 55.
• the edges of the frame 73 corresponding to the first ends 71 of the blades 70 are welded to the frame 55, in particular by high-frequency welding; the side faces of the frame 73 being welded to the corresponding inner walls of the longitudinal groove 55.
• the frame 73 is deburred, that is to say that the frame portions projecting from the frame 5 are at least partially removed, as illustrated by the arrows E.
• the frame 73 is deburred flush with the longitudinal groove on the side of the rear end of the longitudinal groove 55, while the frame 73 is partially deburred on the side of the front end of the longitudinal groove 55 so that protrusions 75 remain in place on the frame 5.
• FIGS. 9a to 9b illustrate a branch 2 of spectacles according to a second embodiment of the invention, in which the indexing means comprise:
• the indexing zones 54 correspond to the areas of the bearing surface 53 furthest from the sleeve 6 in a transverse or radial direction to the sleeve 6, and these zones 54 are shaped so as not to hinder the rotation of the sleeve 6 and thus the relative displacement of the or each blade 100 on this bearing surface 53 during this rotation of the sleeve 6.
• the indexing means comprise two diametrically opposite blades 100 relative to the armature 5, and the external surface 53 of the armature 5 has two indexing zones 54 made in the form hollow or recess zones formed diametrically opposite on the outer surface 53 of the armature 54.
• Each blade 100 has an arcuate shape with a first end 101 fixed to the frame 5, and more particularly fixed to the inner surface of the housing 66, and a second end 102 free. The blade 100 abuts against the outer surface 53 of the frame 5 at a central portion "U".
• the first end 101 is fixed in a longitudinal groove 65 formed on the inner surface of the housing 66 of the sleeve 6, and the second end 102 slides along the inner surface of the housing 66 during the elastic deformation of the blade 100 imposed by the rotation of the sleeve 6; this elastic deformation of the blade 100, between the two indexing zones 54, allowing the passage of the sleeve 6 from an indexing position to another indexing position.
• the second end 102 may be engaged in this groove 65 formed on the inner surface of the housing 66 of the sleeve 6 to be guided in translation.
• the indexing means according to this second embodiment is arranged to define two rotational indexing positions of the sleeve 6, with an outer surface 53 of the frame 5 having a section substantially shaped "peanut".
• This outer surface 53 defines two indexing zones 54 hollow.
• the outer surface 53 of the frame 5 may have a substantially "trefoil with three or four leaves” section and thus define three or four indexing zones to obtain three or four indexing positions. / exhibition, etc.
• FIGS. 10a and 10b illustrate a branch 2 of spectacles according to a third embodiment of the invention, in which the indexing means comprise:
• the section 51 cooperates with the housing 66, and more specifically the section 51 bears on the inner surface of the housing 66, so that at each indexing position of the sleeve 6 corresponds to at least a first support of the section 51 with one of the indexing zones of the housing 66 and a second support of the section with another indexing zone.
• the section 51 has a substantially sinusoidal shape, or even a general "W" shape.
• the indexing means according to this third embodiment are arranged to define two indexing positions in rotation of the sleeve 6, with a housing 66 which is oblong or oval.
• FIGS. 11a and 11b illustrate a branch 2 of spectacles according to a fourth embodiment of the invention, comprising a hinge hinge 4 comprising, on the one hand, a fixed knuckle (not shown) on a tenon (not illustrated) and supporting a hinge pin and, secondly, a base 40 fixed on a front end (left in the figures) of the frame 5 and pivotally mounted about the hinge axis .
• the base 40 and the front end of the sleeve 6 each has a transverse surface 47, 67 facing one another.
• the indexing means comprise:
• a bearing surface of the or each elastically deformable blade 200 said bearing surface corresponding to the transverse surface 67 of the sleeve 6, said transverse surface 67 having several indexing zones 68 made in the form of recesses radially with respect to the axis of rotation of the sleeve 6.
• indexing zones 68 may for example be in the form of grooves, grooves, or grooves extending radially from the center to the periphery of the sleeve 6.
• the transverse surface 67 of the sleeve 6 may thus have a recess of circular shape and of variable depth.
• the indexing means comprise two diametrically opposed blades 200 relative to the armature 5, and the transverse surface 67 has two indexing zones 68 arranged. diametrically opposite on this transverse surface 67.
• Each blade 200 has an arcuate shape with a first end 201 fixed on the transverse surface 47 of the base 40, and a second end 202 free and bearing against the transverse surface 67 of the sleeve 6.
• the first end 201 is fixed in a transverse or radial groove formed in the transverse surface 47 of the base 40, and the second end 202 is engaged in this transverse groove in order to be guided in translation during translation.
• the elastic deformation of the blade 200 this elastic deformation of each blade 200, between the two indexing zones, allowing the passage of the sleeve 6 from an indexing position to another indexing position.
• the indexing means comprise:
• At least one elastically deformable blade mounted on the transverse surface 67 of the sleeve 6; and - A bearing surface of the or each elastically deformable blade, said bearing surface corresponding to the transverse surface 47 of the base 40, said transverse surface 67 having a plurality of indexing zones 68 made in the form of hollow s' extending radially with respect to the axis of rotation of the sleeve 6.

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

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• 2009
  • 2009-09-07 WO PCT/FR2009/051681 patent/WO2011027041A1/fr not_active Ceased
  • 2009-12-11 WO PCT/FR2009/052490 patent/WO2011027043A1/fr not_active Ceased
  • 2009-12-11 EP EP09803837A patent/EP2476022A1/de not_active Withdrawn

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