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
  • G02C5/02—Bridges; Browbars; Intermediate bars
  • G02C5/04—Bridges; Browbars; Intermediate bars with adjustable means
  • G02C5/045—Bridges; Browbars; Intermediate bars with adjustable means for varying the horizontal distance of the lenses
• • 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
  • G02C2200/08—Modular frames, easily exchangeable frame parts and lenses
• • 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
  • G02C2200/18—Adjustment ridges or notches
• • 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
  • G02C2200/22—Leaf spring

Definitions

• the present invention relates to a spectacle frame and to at least one spectacle lens whose position is adjustable relative to the frame.
• the pupillary distance of human beings can vary from a distance of up to ten millimeters from one individual to another.
• the lenses of the glasses are adapted to the pupillary distance of each individual during the machining. Custom lens machining for each individual entails significant costs, impacting the user, and significant delivery times.
• the present invention aims to solve all or part of the disadvantages mentioned above.
• the present invention relates to an eyeglass frame comprising:
• a front face on which the at least one glass is intended to be fixed; a first branch and a second branch each attached to one end of the front face; and
• a first adjusting device for adjusting the position of the at least one lens with respect to the front face of the frame, the first adjusting device comprising at least one first positioning element intended to cooperate with at least one second positioning element of a second adjusting device belonging to the at least one glass,
• the first adjusting device is arranged to define a set of relative positions of the at least one second element of positioning relative to the mount, disposed on a curved line in a plane inclined relative to a reference plane comprising the optical axes in far vision of the eyes of a user.
• the present invention also relates to a spectacle lens for attachment to a frame, comprising a second adjusting device for adjusting the position of the lens relative to the frame, the second adjusting device comprising at least a second positioning element for to cooperate with at least one first positioning element of a first adjustment device belonging to the frame,
• the second adjustable device is arranged to define a set of relative positions of the at least one first positioning element with respect to the glass arranged on a curved line included in a plane inclined with respect to a reference plane comprising the optical axes in far vision of the eyes of a user.
• the adjustment of the position of the glasses can be very fine and adequate to the variation of pupillary distance between the individuals.
• the holding of the glasses in position is ensured by the cooperation between the first and second plurality of positioning elements, which also allows a robustness of the assembly adapted to the use of glasses.
• the path of movement of the glass along the curved line keeps the optimum optical correction for each position of the glass.
• the curved line is a portion of a circle
• the inclined plane has a first inclination component with respect to the reference plane; in particular, the inclined plane is inclined upwards at an angle relative to a straight line inscribed in the reference plane passing through the center of the eye and the center of the pupil and secondly to a line inscribed in the reference plane, passing through the center of the eye and the center of the pupil.
• the inclined plane has a second inclination component with respect to a straight line passing through the center of the eyes of the user;
• the inclined plane has a second inclination component with respect to a median plane of the user's head;
• the at least one first positioning element and the second at least one positioning element are arranged to be designed to cooperate by complementary shape;
• the frame respectively the lens, a first plurality of first positioning elements, respectively a plurality of second positioning elements;
• the spacing between two subsequent positioning elements among the first plurality of positioning elements or the second plurality of positioning elements respectively is arranged to index a plurality of relative positions between the frame and the lens;
• a positioning element among the first plurality of positioning elements or the second plurality of positioning elements respectively has an elongated shape in a direction transverse to the curved line.
• the curved line is inscribed between a proximal surface and a distal surface of a glass intended to be fixed on the frame.
• the profile of the front face follows the curved line.
• the glass comprises a proximal face and a distal face between which is inscribed the curved line.
• the angle of inclination of the inclined plane relative to the reference plane is between 0 degrees and 35 degrees, and in particular between 10 degrees and 25 degrees.
• the angle of inclination of the inclined plane relative to the reference plane has a value of 17 degrees.
• the portion of a circle has a radius of between 80 millimeters and 200 millimeters. More particularly, the portion of a circle has a radius of between 110 millimeters and 170 millimeters. Preferably, the circle portion has a radius of 140 millimeters.
• the frame comprises at least a first retaining element intended to cooperate with at least one second element.
• the optical axis of the lens is inclined relative to the horizontal by an angle corresponding to the pantoscopic angle.
• the curved line is disposed at the intersection of the inclined plane and a reference surface.
• the reference surface is transverse to the optical axis, preferably having an angle of 85 to 95 °, and preferably perpendicular to the optical axis.
• the reference surface is spherical.
• the front face is made of an elastically deformable material.
• the front face is composed of a first part connected to the branches, and a second part fixed opposite the first part at the first adjustment device.
• the first piece and the second piece are fixed to each other by centering elements.
• the first part comprises the first plurality of positioning elements and / or the transverse retaining element.
• the second part comprises the first plurality of positioning elements and / or the transverse retaining element.
• the first part and the second part comprise the first plurality of positioning elements and the first retaining element.
• the front face comprises an upper portion comprising a clearance zone at the level of the adjusting device for receiving an elastic stop element attached to the at least one glass.
• the glass comprises a protrusion on which is disposed the second adjusting device and / or the second retaining element.
• two subsequent positioning elements among the first plurality of positioning elements or the second plurality of positioning elements respectively are spaced apart by a predetermined spacing in a direction along the curved line.
• the spacing between two positioning elements among the first plurality of positioning element or the second plurality of positioning elements respectively is 1 millimeter.
• the first retaining element is a groove or a godron and the second retaining element is a godron or a groove respectively.
• the glass comprises a frame and an optical portion.
• the frame comprises the adjusting device for adjusting the position of the glass relative to the frame.
• the frame is disposed on at least a part of the periphery of the optical portion.
• the frame comprises a support and a retaining element.
• the support comprises the adjustment device.
• the frame comprises a metal portion.
• the retaining element comprises a projection portion formed with the support.
• the retaining element comprises a flexible band, for example a nylon thread.
• the optical portion is maintained by the frame by complementarity of form.
• the optical portion comprises a retaining member, on at least a portion of the periphery of the optical portion, arranged to cooperate with the retaining element of the frame.
• the retaining member is constituted by a groove on at least a portion of the periphery of the optical portion, arranged to cooperate with the retaining element of the frame.
• the frame and the optical portion are removably attached.
• the retaining element is fixed by fixing elements of the support at a nose of the spectacle frame and / or the first branch and / or the second branch removably .
• the retaining element is constituted by a projection portion formed with the support on a first portion of the frame and by a flexible band on a second portion of the frame.
• the optical portion may be retained by a flexible strip on an upper portion of the glass and by a projecting portion of the support on a lower portion.
• the optical portion is retained by a flexible strip on a lower portion of the glass and by a projecting portion of the support on an upper portion.
• the lower and upper portions are appreciated when the pair of glasses is worn by a user standing so that his eyes are arranged at the same height relative to a horizontal reference.
• the invention also relates to a pair of spectacles comprising a frame according to any one of the above-mentioned features, and at least one lens according to any one of the above-mentioned features.
• Figure 1 shows a pair of spectacles
• FIG. 2a, 2b, 2c, 2d show the frame of a pair of glasses
• Figure 3 shows a spectacle lens
• Figure 4 shows the position of a spectacle lens with respect to an eye
• Figure 6 shows the insertion of spectacle lenses into the frame
• Figures 7a and 7b show relative positions of spectacle lenses relative to the frame
• Fig. 8 shows an embodiment in which the position of the spectacle lens relative to the eye is different;
• Figure 9 shows a different embodiment of cooperation between the glasses and the frame;
• FIGS. 10a, 10b, 10c, 10d show an embodiment in which the lenses are not detachable from the frame; and Figures 11a, 11b, 11c and 11d show a spectacle lens according to an embodiment in which the lens comprises a frame and an optical portion.
• FIG. 1 represents a pair of spectacles 1 comprising a frame 3.
• the frame 3 comprises a front face 4 extending in an extension direction D1, a branch 5A and a branch 5B.
• the branches 5A and 5B extend in an extension direction D2, transverse to the extension direction D1.
• the branch 5A is rotatably mounted around one of the ends of the front face 4 and the branch 5B is rotatably mounted around the other end of the front face 4.
• the front face 4 comprises a receiving portion 7A of a glass 9A and a receiving portion 7B of a glass 9B.
• the front face 4 further comprises, between the receiving portions 7A, 7B of the glasses 9A, 9B, a bearing portion 11 intended to bear against the nose of a user.
• the front face 4 comprises two complementary parts.
• a first complementary part 13 is fixed to the branches 5A, 5B.
• a second complementary part 15 is intended to be fixed on the first complementary part 13 by means of complementary fastening elements 17, 19, for example by clipping.
• the complementary parts 13, 15 of the front face 4 are formed of an elastic material, allowing their elastic deformation.
• the front face is made of injected plastic material.
• the front face is formed in one piece. It can for example be molded as a whole.
• the complementary parts 13, 15 form receiving housings 21A, 21B of the glasses 9A, 9B included in the reception portions 7A, 7B.
• the elements whose reference contains the sign "A" are relative to the receiving portion 7A or the glass 9A and the elements whose reference contains the sign "B" are relative to the receiving portion 7A or the 9A glass.
• the receiving portions 7A and 7B or the glasses 9A and 9B have a substantially identical structure and operation. The present description will be limited, for certain aspects, to describe in detail a receiving portion or a single glass among the receiving portions 7A, 7B or the glasses 9A, 9B respectively. A detailed description of the receiving portion 7A and the glass 9A is provided hereinafter.
• the receiving housing 21A is open in an insertion direction D1 of the glass 9A in the housing 21A.
• the side walls of the receiving housing 21A comprise an adjustment system 23A, visible in Figures 2b and 2c.
• the first portion 13 of the front face 4 comprises a first portion of the adjustment system 23A and the second portion 15 of the front face 4 comprises a second portion of the adjustment system 23A.
• Each portion of the adjustment system 23A comprises several notches 25A.
• Each notch 25A is elongate in the insertion direction D1.
• the notches 25A are aligned in a curved line LC.
• Each notch is distant from the neighboring notch in the alignment of notches of a spacing 27A.
• the spacing 27A is substantially greater than the width of the notches 25A.
• the width of the notches may be about 1 millimeter.
• the alignment of notches has a length of between 1.5 and 2.5 centimeters. Preferably, the length of the alignment of notches has a value of about 2 centimeters.
• the receiving housing 21A further comprises, on each lateral face corresponding to the complementary parts 13, 15, a groove 29A extending along the curved line LC.
• the lens 9A includes a proximal surface 31A and a distal surface 33A.
• proximal surface 31A and the distal surface 33A are inscribed in a proximal sphere portion and a distal sphere portion respectively, of different radius.
• the proximal and distal surfaces may also be inscribed in variable radius sphere portions.
• a medial surface S is disposed between the proximal and distal surfaces.
• proximal, distal and medial surfaces are spheroidal.
• radius of curvature of these surfaces may also be variable depending on the considered point of the surface.
• the glass 9A further comprises a protrusion 35A, allowing the mounting of the glass 9A in the receiving portion 7A of the front face 4, by fitting into the receiving housing 21A.
• the protrusion 35A comprises two sides 35aA and 35bA each corresponding to a side surface of the receiving housing 21A.
• the protrusion 35A comprises an adjustment system 37A.
• the adjustment system 37A comprises several notches 39A on each of the sides 35aA, 35bA of the protuberance 34A.
• the features and arrangement of the notches 39A are substantially similar to the features and arrangement of the notches 25A.
• Each notch 39A is distant from the neighboring notch in the alignment of notches of a spacing 41A.
• the notches 39A are intended to fit into the spacings 27A.
• the notches 25A are intended to fit into the spacings 41A.
• the protrusion 35A of the glass 9A further comprises a godron 43A on each of the sides 35aA, 35bA of the protrusion intended to fit into the groove 29A of the receiving housing 21A.
• the curved line LC is a portion of a circle corresponding to the intersection of the median surface S and of an inclined plane Pl.
• the median surface S being here spheroidal, the curved line LC is a portion of a circle.
• a reference plane PR is defined.
• the reference plane PR passes through the optical axes of the eyes 45A, 45B of the user in far vision, that is to say by the center of the eyes 45A, 45B of the user and by the center of his pupils. A, 47B in far vision.
• the reference plane PR is therefore substantially horizontal when the user is standing. Also meant by “high”, the space above the reference plane PR when the user is standing. The term “bottom” means the space below the reference plane PR when the user is standing.
• the optical axis in near vision of the user is inclined downwards with respect to the reference plane PR of a pantoscopic angle a.
• the median surface S of the glass is also inclined at the pantoscopic angle ⁇ relative to a transverse plane PT to the reference plane, passing through the center of the two eyes 45A, 45B of the user.
• the inclined plane PI is inclined upwards at an angle ⁇ relative to a straight line inscribed in the reference plane PR, passing through the center of the eye 45A and the center of the pupil 47A and on the other hand, to a line inscribed in the reference plane PR, passing through the center of the eye 45B and the center of the pupil 47B.
• the value of the angle ⁇ depends on the aesthetics of the frame 3.
• the position of the glass 9A is adjustable on a path along the curved line LC.
• the adjustment systems 23A, 37A are arranged to index a plurality of relative positions of the glass 9A relative to the frame 3.
• the user inserts the protrusion 35A of the glass 9A in the receiving housing 21A of the front face 4, in the direction of insertion D1 as shown in FIG.
• the notches 39A of the adjustment system 37A fit into the spacings 27A of the adjustment system 23A according to the relative position of the glass 9A relative to the frame 3 chosen by the user.
• the notches 25A of the adjustment system 23A fit into the spacings 41A of the adjustment system 37A.
• the godron 43A is inserted into the groove 29A, which holds the glass 9A fixed to the frame 3.
• the insertion of the protrusion 35A of the glass 9A into the receiving housing 21A is carried out by pressure of the user. Indeed, the elasticity of the materials used to make the front face 4 allows the elastic deformation of the receiving housing 21A for the passage of the godron 43A, until it is inserted into the groove 29A.
• each notch 39A of the adjustment system 37A is inserted in a spacing 27A of the different adjustment system 23A.
• each notch 25A of the adjustment system 23A fits into a spacing 41A of the different adjustment system 37A.
• Figures 7a and 7b show the pair of glasses 1 whose glasses 9A, 9B are in two different positions.
• the pupillary distance between the two positions varies by 4mm.
• the frame 3 has a shape called "butterfly".
• the inclined plane PI defining the curved line LC is inclined at an angle ⁇ with respect to the axis passing through the center of the two eyes 45A, 45B of the user.
• only one of the complementary parts 13, 15 is elastic.
• the adjustment systems 23A, 23B are present only on one of the complementary parts 13, 15 and the adjustment systems 37A, 37B are present only on the corresponding sides 35aA, 35bA, 35aB, 35bB of the protuberances 35A, 35B of the glasses 9A, 9B.
• the grooves 29A, 29B are only present on the elastic complementary part 13, 15 and the flutes 43A, 43B are present only on the corresponding sides 35aA, 35bA, 35aB, 35bB of the protuberances 35A, 35B of the glasses 9A, 9B.
• the receiving housings 21A, 21B each comprise a clearance zone 51A, 51B respectively.
• the clearance zones 51A, 51B are arranged at the bottom of the receiving housings 21A, 21B, in the insertion direction D1, that is to say, in the upper portions of the receiving housings 21A, 21B when the user is in a standing position.
• a spring blade 53A, 53B is fixed by screwing or gripping a cylinder from the glass, on an upper portion of each protrusion 35A, 35B of the glasses 9A, 9B.
• the leaf springs 53A, 53B are arranged to fit into the clearance zones 51A, 51B.
• the grooves 29A, 29B are adjacent to the clearance areas 51A, 51B.
• the grooves 29A, 29B comprise an oblique portion 55A, 55B of sliding towards the clearance zones 51A, 51B.
• the godets 43A, 43B are disposed above the adjustment systems 37A, 37B.
• Each spring blade 53A, 53B here comprises two bearing portions 57A, 57B intended to bear against the upper face of the clearance zone 51A, 51B pushing the glasses 9A, 9B in a direction opposite to the insertion direction D1.
• the glass 9A is mounted in the receiving housing definitively at the time of assembly of the complementary parts 13, 15.
• the godron 43 is inserted into the groove 29A and the adjustment systems 23A and 37A cooperate.
• the spring blade 53A is inserted into the clearance zone 51A and bears on its upper face.
• the glass 9A can no longer be detached from the frame 3.
• the user exerts pressure on the glass 9A in the insertion direction D1.
• the bearing portions 57A of the spring blade 53A bear against the upper face of the clearance zone 51A and the godron 43A slides against the oblique portion 55A of the groove 29A to reach the clearance zone 51A.
• the user can then slide the glass 9A in the clearance zone 51A and when the relative position of the glass 9A relative to the frame 3 suits him, he releases the glass 9A, the bearing portions 57A of the leaf spring 53A push the glass 9A in a direction opposite to the insertion direction D1, the adjustment systems 23A, 37A cooperate and the godron 43A is inserted in the throat 29A. the user can also pull on the glass 9A to facilitate its positioning.
• the mounting of the glass 9B is substantially identical.
• the second complementary part 15 of the front face 4 can be fixed on an outer face of the first complementary part 13 or on an inner face of the first complementary part 13 of the front face 4, according to the sought aesthetic of the pair of glasses.
• the glasses 9A, 9B can be completely circled by the addition of a strapping at the bottom, according to the desired aesthetics of the pair of glasses.
• the strapping can be made of plastic or metal.
• the strapping can be fixed to the glass 9A, 9B by gluing or mechanical fitting.
• the glasses 9A comprises a frame 61A and an optical portion 63A.
• the receiving portions 7A and 7B or the glasses 9A and 9B have a substantially identical structure and operation. A description of the glass 9A will be presented hereinafter.
• the frame 61A includes the adjusting device 37A for adjusting the position of the glass 9A relative to the frame 3.
• the frame 61A is disposed on the periphery, that is to say the contour, of the optical portion 63A.
• the frame 61A comprises a support 65A and a retaining element 67A.
• the support 65A comprises the adjustment device 37A.
• the frame 61A includes a metal portion.
• the retaining element 67A comprises a projection portion 69A formed with the support 65A on an upper portion of the frame 61A when the pair of glasses is worn by a user standing so that his eyes are arranged at the same height by report to a horizontal repository.
• the retaining element 67A comprises a nylon thread 71A on a lower portion of the frame 61A when the pair of spectacles is worn by a user standing so that his eyes are arranged at the same height relative to a horizontal reference frame .
• the nylon thread 71A is disposed on an upper portion of the frame 61A and the support is disposed on a lower portion of the frame.
• the optical portion 63A is thus maintained by the frame 61A by shape complementarity.
• the optical portion 63A comprises a retaining member 73A arranged to cooperate with the retaining element 67A of the frame 61A.
• the retaining member 73A comprises a groove 75A on the periphery of the optical portion 63A.
• the frame 61A and the optical portion 63A are removably attached.
• the nylon thread 71A is fixed by fixing elements 75A of the support
• the fixing elements 75A of the support 65A comprise an opening 77A arranged to be traversed by the nylon thread 71A.

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

Applications Claiming Priority (2)

Publications (1)

Family

ID=52007127

Family Applications (1)

Country Status (6)

Family Cites Families (12)

• 2014
  • 2014-10-02 FR FR1459416A patent/FR3026853B1/fr not_active Expired - Fee Related
• 2015
  • 2015-09-24 US US15/516,195 patent/US20170299884A1/en not_active Abandoned
  • 2015-09-24 EP EP15775780.8A patent/EP3201681A1/de not_active Withdrawn
  • 2015-09-24 WO PCT/FR2015/052555 patent/WO2016051050A1/fr active Application Filing
  • 2015-09-24 CN CN201580053417.7A patent/CN107111156A/zh active Pending
  • 2015-09-24 BR BR112017006707A patent/BR112017006707A2/pt not_active Application Discontinuation

Non-Patent Citations (1)

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