WO2009029064A1 - Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation - Google Patents

Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation Download PDF

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Publication number
WO2009029064A1
WO2009029064A1 PCT/US2007/018775 US2007018775W WO2009029064A1 WO 2009029064 A1 WO2009029064 A1 WO 2009029064A1 US 2007018775 W US2007018775 W US 2007018775W WO 2009029064 A1 WO2009029064 A1 WO 2009029064A1
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WO
WIPO (PCT)
Prior art keywords
adaptor
lens
frame
lenses
eyewear frame
Prior art date
Application number
PCT/US2007/018775
Other languages
English (en)
Inventor
Carmine S. Dichiara
Original Assignee
Liberty Sport, Inc.
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 Liberty Sport, Inc. filed Critical Liberty Sport, Inc.
Priority to PCT/US2007/018775 priority Critical patent/WO2009029064A1/fr
Publication of WO2009029064A1 publication Critical patent/WO2009029064A1/fr

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C1/00Assemblies of lenses with bridges or browbars
    • G02C1/04Bridge or browbar secured to or integral with partial rims, e.g. with partially-flexible rim for holding lens

Definitions

  • This invention relates generally to an adaptor for quickly and easily securing prescription eyeglass lenses to a frame. More particularly, the present invention is directed to an adaptor to be affixed to an eyeglass lens, and received in an eyeglass frame, to facilitate the fitting and replacement of complex-shaped prescription lenses to an eyewear frame.
  • a typical pair of eyeglasses includes a pair of lenses or a single shield mounted to a frame that may include rims around the lens or lenses; a brow bar; a bridge piece or nose bridge connecting the inner ends of the rims or lenses; and two temple pieces attached to the outer ends of the rims or lenses for resting the glasses on the user.
  • Typical full-rim frames have rims with one or more breaks in the rim with the free ends adapted to accept a threaded fastener such as a screw.
  • Lenses are typically mounted in such eyeglass frames by using the screw or other fastening device to draw the free ends of the split frame together, thus tightening the rim around the lens.
  • the screw In the conventional configuration, the screw must be removed before the lens may be removed. Because of the size of the screw, the variety of screw configurations used in the field, the installation and removal tools required, and the specialized knowledge and skill required to properly replace a lens, removal and replacement of lenses is beyond the ability of the typical eyeglass wearer.
  • Eyewear designs have been directed to eyewear frames in which the lenses can be secured to the frame without resorting to a continuous rim, or with no rim at all, generally referred to as rimless frames.
  • rimless frames typically includes a brow bar, a temple piece secured to each end of the brow bar, and either a single shield or two separate lenses attached to the brow bar.
  • the wing style frame can provide the appearance of the lenses being suspended from the brow bar, evoking a desirable athletic or sporty look. Because the wing style frame secures the lenses from the brow bar only, improved peripheral vision is achieved. Lenses used with wing style frames can be secured to the brow bar permanently with any known mechanical means or adhesive systems.
  • the lenses may also be temporarily secured with an interacting system of mechanical components such that the lenses can be easily replaced in the frame.
  • the mechanical components can be appropriately shaped recesses in the frame, shaped to accept notches on the lens, posts to interact with the notches, keyhole slots and co-acting T-shaped posts, snap fit components, barbed fittings, or any other co-acting fastener system known in the art.
  • magnets or magnetic material may be affixed to the lenses and/or the brow bar to removably attach the lenses to the frame.
  • Such simple interlock or attachment mechanisms require no special tools to remove or install lenses. No special skill is needed in order to interchange the lenses, making the lenses replaceable by the typical wearer.
  • the lenses are a structural component of the eyewear and no brow bar is needed.
  • Temple pieces are secured directly to the lenses at an outer edge.
  • a nose bridge is secured between the lenses adjacent to an inner edge of each lens, thus establishing the configuration of the eyewear.
  • the attachment of the lenses to the temple pieces and nose bridge must be structurally sound.
  • the nose bridge and temple attachments are permanent to insure the structural integrity of the eyewear.
  • replacement of the lenses in a three- piece frame requires the involvement of a skilled technician.
  • piano lenses (lenses which do not contain specialized curvature for the correction of vision defects) for rimless frames can be manufactured efficiently with common techniques and equipment. Because there is no vision-correcting curvature in piano lenses, positioning of a lens with respect to the wearer's eyes is not critical. Accordingly, precise location of the notches is not necessary for piano lenses to serve their function as in, for example, tinted lenses for sunglasses or impact resistant lenses for safety glasses. [0006] Prescription eyewear requires precise individualized placement of corrective lenses in the frame to achieve appropriate vision correction. In addition to cutting the lens with the proper corrective curvature, certain frame designs, such as wing style frames require lenses that incorporate the mounting system components, such as tabs or notches.
  • the adaptor of the present invention allows for more conventional equipment to be used to cut and properly align the lenses with the wearer's eyes when inserted into an eyeglass frame. If the adaptor of the present invention is used for lens mounting and frame assembly, all that the dispenser needs to do is to cut the prescription lens blank to its proper shape and desired lens centering position using conventional lens cutting techniques and equipment.
  • Rimless frames are typically designed with complex curvatures to the brow bar.
  • the overall contour of the eyewear imparts a sleek, aerodynamic appearance and a fashionable configuration.
  • Lenses for such frames must have similar curvatures to insure proper fit and function and to achieve the desired aesthetics.
  • Such lenses obviously have complex shapes at least at the interface between the lens and the brow bar.
  • Lenses with complex curves are more difficult and expensive to produce than simpler, more generic, shaped lenses.
  • These special shaped lenses are often special order items with significant lead times. A broken lens can cause an inconvenience for eyeglass wearers because of the delay in receiving a replacement lens.
  • a further aspect of the present invention is directed to a mounting system for rimless eyewear frames in which the lenses are easily replaceable.
  • a further aspect of the present invention is directed to an adaptor to allow inexpensive and efficient mounting of prescription lenses in rimless frames.
  • Yet another aspect of the present invention is directed to an adaptor to allow inexpensive and efficient mounting of lenses with standard shapes and profiles in rimless frames.
  • Yet another aspect of the present invention is directed to a mounting system for rimless eyewear frames which allows lenses with standard profiles and shapes to be fitted to frames.
  • Yet another aspect of the present invention is directed to a mounting system for rimless eyewear frames which allows lenses with standard profiles and shapes to be fitted to frames with complex shapes.
  • Yet another aspect of the present invention is directed to a mounting system for rimless eyewear frames which allows prescription lenses to be mounted easily.
  • Yet another aspect of the present invention is directed to a mounting system for rimless eyewear frames which allows prescription lenses to be easily replaced by the wearer.
  • Yet another aspect of the present invention is directed to an eyewear frame and an adaptor configured to facilitate mounting of generic shaped lenses in eyewear frames comprising complex profiles.
  • the instant invention is directed to an apparatus and/or a method for securing eyewear lenses to a frame in which an adaptor is securely affixed to a lens.
  • Figure 2 illustrates an adaptor of another aspect of the instant invention as shown affixed to a lens with a filament prior to insertion into an eyeglass frame;
  • Figure 3 is a front, partial cu ⁇ t-away view of a pair of wing style rimless eyewear frames fitted with an adaptor according to one aspect of the instant invention; the other half of the partial cut-away illustrates the frame with lens channel not fitted;
  • Figure 4 is an exploded view of an exemplary three-piece eyewear frame with adaptors according to one aspect of the instant invention
  • Figure 5(a) illustrates an attachment member affixed to a lens according to one aspect of the instant invention
  • Figure 5(b) illustrates an attachment member affixed to a lens according to another aspect of the instant invention
  • Figure 5(c) illustrates an attachment member affixed to a lens according to another aspect of the instant invention
  • Figure 5(d) illustrates an attachment member affixed to a lens according to another aspect of the instant invention
  • Figure 5(e) illustrates an attachment member affixed to a lens according to another aspect of the instant invention
  • Figure 5(f) illustrates an attachment member affixed to a lens according to another aspect of the instant invention
  • Figure 6(a) illustrates protrusions according to one aspect of the instant invention
  • Figure 6(b) illustrates protrusions according to another aspect of the instant invention
  • Figure 6(c) illustrates an assembled rimless frame, lens and adaptor using protrusions according to an aspect of the instant invention
  • Figure 7 illustrates an alternate embodiment of an adaptor with an added safety feature according to one aspect of the instant invention
  • Figure 8 illustrates another alternate embodiment of the adaptor with ventilation ports according to one aspect of the instant invention
  • Figure 9(a) illustrates a cutaway view of a wing style rimless frame with an adaptor securely mounted in the frame with a mechanical fastener such as a screw.
  • the mechanical fastener may comprise any other appropriate method of mounting to hold the lens and adaptor assembly to the frame securely and allow it to be removed if so desired;
  • Figure 9(b) illustrates an enlarged, cross sectional view of the frame, lens, adaptor, and fastener taken along line IX-IX.
  • Figure 10(a) illustrates an alternate embodiment of an adaptor providing the look of a full rim frame according to one aspect of the instant invention
  • Figure 10(b) illustrates an enlarged view of the portion of Figure 10(a) indicated as E;
  • Figure 11 illustrates an alternate embodiment of an adaptor according to one aspect of the instant invention.
  • Figure 12 depicts a cutaway view of a wing style rimless frame with a recess fitted with a mechanical component.
  • Figure 13 illustrates an adaptor according to an embodiment of the present invention.
  • Figures 14 and 15 illustrate an alternate attachment embodiment for securing the adaptor to the frame of the instant invention.
  • Figure 16 is a partial cut-away of a portion of an eyewear frame showing an alternate attachment method of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • the invention is directed to an adaptor for eyewear lenses to be easily fitted to wing, partial-rim or three-piece (hereinafter referred to as a group as "rimless") eyewear frames.
  • Rimless frames are well known in the art.
  • Wing style lenses are traditionally used with frames that comprise a brow bar and temple pieces. The lenses are mounted to the brow bar with the use of protrusions on the lens and matching recesses or notches on the frame.
  • Wing style lenses are easily interchangeable, but production of prescription wing style lenses is costly due to the lack of readily available equipment. Lenses for partial -rim and three- piece frames are also costly and are not typically replaceable by the user.
  • an optical lens 102 is shown fitted with an adaptor 106 to mount the lens assembly 100 in an eyewear frame (not shown).
  • the adaptor 106 comprises an insert portion 108, a top surface 110, a bottom surface 112 to abut an upper surface of a lens 102, a first end 114, a second end 116, and at least one protrusion 118 to engage in the eyewear frame (not shown).
  • the adaptor 106 is configured for edge mounting on the lens 102 and extending at least partially around the circumferential edge 120.
  • the adaptor 106 can be affixed to the lens with any method or combination of methods known in the art.
  • figure l(c) illustrates an embodiment for mounting the adaptor 106 to the lens 102 using a filament 202.
  • the filament 202 is secured to a first end 114 of the adaptor 106 and to a second end 116 of the adaptor 106.
  • filament 202 can be deformable between a rest position, depicted in solid line as element 202, to an deformed position 204 shown in phantom.
  • the filament 202 can be made from a elastic or deformable polymer, elastomer, or other deformable material.
  • Figure 4 shows an alternate embodiment for mounting an adaptor using a filament 202.
  • the filament 202 is secured to a second end 116 of the adaptor 106, and encircles the lens 102 along circumferential edge 120, terminating at a first end 114 of the adaptor 106, securing the adaptor 106 to the lens 102.
  • the filament 202 may be made from any appropriate material such as metallic wire, a polymeric material such as a nylon or an elastic or deformable elastomer.
  • FIG. 2 shows another embodiment of the adaptor 106 having a partial lens rim portion 109 .
  • the optical lens 102 is shown fitted with an adaptor 106 to mount the lens assembly 100 in an eyewear frame (not shown).
  • the adaptor 106 comprises an insert portion 108, a top surface 110, a partial lens rim portion 109 to abut an upper surface of a lens 102, a first end 114, a second end 116, and at least one protrusion 118 to engage in the eyewear frame (not shown).
  • the adaptor 106 is configured for edge mounting on the lens 102 and the partial lens rim portion extends at least partially around the circumferential edge 120 of the lens 102.
  • the adaptor 106 with partial lens rim portion 109 is affixed to the lens with any method or combination of methods known in the art.
  • Figure 5(a) illustrates an adaptor 106 with at least one protrusion 118.
  • the adaptor 106 is placed generally atop a lens 102 and secured to the lens 102 with at least one mechanical fastener 902.
  • Figures 5(b) through 5(f) are cross-sectional views of the adaptor 106 on the lens 102 taken generally along line V-V.
  • Figure 5(b) illustrates the use of an adhesive system 502 to secure the adaptor 106 to a circumferential edge 120 of lens 102.
  • the adhesive systems used may be comprised of a permanent adhesive or removable adhesive such as an adhesive tape.
  • Figures 5(c) through 5(f) illustrate an adaptor 106 of a generally C-shaped cross section according to one aspect of the instant invention.
  • the adaptor 106 may be attached to the lens 102 with adhesive 502 as in figure 5(c), with mechanical fasteners 902 as shown in Figures 5(d) and 5(e), or a combination of adhesive 502 and mechanical fasteners 902 as shown in Figure 5(f).
  • the fasteners shown in cross-section in Figures 5(d) through 5(f) are illustrative of the fasteners 902 showed in Figure 5(a). It would be obvious to one skilled in the art that many configurations are possible for the cross section for adaptor 106. Additionally, many combinations of adhesive, mechanical fasteners, or other attachment members would be obvious to an artisan and would be within the spirit of the instant invention.
  • Figure 3 shows a front, partial cutaway view of a wing style rimless frame 302 with one lens 102 mounted in the frame 302.
  • the wing style frame 302 comprises a brow bar 304 and an integral nosepiece 306.
  • the wing style frame 302 comprises a brow bar 304 and an integral nosepiece 306.
  • Within the brow bar 304 are lens channels 308 for the left and right lens, each channel 308 configured with a pair of recesses 310 to accept a pair of protrusions 118 on an adaptor 106 (both shown in phantom) for each lens 102. While this illustration shows a pair of protrusions and recesses, it would be obvious to one skilled in the art that the lens could be configured for one or more protrusions and the frame configured for one or more recesses and still be within the scope of the instant invention.
  • the recesses 310 may contain a mechanical component
  • the mechanical component 932 may be a metallic or non-metallic resilient member configured to deflect upon insertion of the protrusion 118.
  • a mechanical component 932 may deflect under a lower force upon insertion of the protrusion 118 than is required to deflect the component 932 to effect removal of the lens.
  • FIG. 4 illustrates an exemplary three-piece frame with adaptors 106 according to one aspect of the instant invention.
  • Adaptor 106 is secured to lens 102 through the use of a filament 202 for illustration purposes.
  • the adaptor 106 may be secured to the lens 102 in any method known in the art, including, for example, adhesive systems, sonic welding, friction fit, snap fit, or through the use of mechanical fasteners, .
  • Adaptor 106 is configured with protrusions 402 adapted for secure attachment to the temple pieces 404 and the nose bridge 406.
  • Figure 9 illustrates a permanent installation of a lens 102 and adaptor 106 into a rimless frame 302.
  • This installation can be considered permanent because the mechanical fastener 902 prevents removal of the lens 102 from the frame without the use of a tool. This would preclude removal of the lens by the typical wearer.
  • a threaded fastener is only one of the many mechanical fasteners suitable for additional mounting security of the adaptor 106 into the frame 302.
  • Other fasteners for example, pins, rivets, or barbed fittings, alone or in combination, with or without adhesive systems, could be used to permanently secure the adaptor 106 to the frame 302.
  • Figure 9(b) offers a cross sectional view of the lens 102, adaptor 106 and frame 302 along line IX-IX of Figure 9(a).
  • the relationship of the mechanical fastener 902, the adaptor 106 and the frame 302 can be clearly seen.
  • Figure 6(a) illustrates an adaptor 106 according to one aspect of the instant invention configured with T-shaped protrusions 118 configured to interact with T-shaped recesses 312 formed in the rimless frame 302.
  • Figure 6(b) is an exploded view of a lens 102 fitted with an adaptor 106 upon which cylindrical shaped protrusions 118 are configured for a friction fit with appropriately configured cylindrical recesses 314 in the rimless frame 302.
  • Figure 6(c) illustrates an assembled lens 102 and adaptor 106 mounted in a rimless frame 302 similar to that illustrated in Figure 6(b).
  • FIG. 7 is illustrative of another embodiment in accordance with the instant invention.
  • Lens 102 is fitted with adaptor 106, and mounted to brow bar 304.
  • the adaptor 106 has extended temporal protection provided by a shield portion 702 which provided additional protection from the intrusion of debris or wind between the lens 102 and the wearer's eye.
  • Figure 8 illustrates an adaptor 106 according to another aspect of the instant invention with venting ports 802 to provide circulation of air between the lens 102 and the wearer's face
  • Figures 10(a) and 10(b) illustrates a one-piece adaptor 910 according to one aspect of the instant invention.
  • the adaptor provides the look of a full rim frame, including the split rim with first receptacle end 914 and second receptacle end 916 adapted to accept a fastener (not shown) as known in the art.
  • the fastener draws the receptacle ends 914 and 916 towards each other, securing the lens 102.
  • Protrusions 118 interact with recesses provided in the frame as described above, and shown, for example, in Figure 3.
  • Figure 11 illustrates a continuous rim 920 with protrusions 922 according to another aspect of the instant invention.
  • the continuous rim 920 is mounted in the lens 102 by any known method.
  • the protrusions 922 engage with recesses in a frame (not shown) as described above, and shown, for example, in Figure 3.
  • Figure 13 illustrates an alternate embodiment of the adaptor 106 mounted upon an lens 102, in which the attachment of the adaptor 106 to the brow bar 304 is achieved through the use of an insert portion 108 and mechanical fasteners 902 .
  • the insert portion 108 of the adaptor 106 does not have protrusions to secure the lens and adaptor to the frame.
  • Such an alternate method allows for the permanent or securely removable attachment of the adaptor 106 to the eyewear frame by mechanical means such as screws or rivets.
  • FIG 14 An attachment method according to one embodiment of the present invention is illustrated in Figure 14, in which at least one protrusion 118 of the adaptor 106 is comprised of a magnetic material 934.
  • the adaptor 106 may be comprised wholly or partially of a magnet or a magnetic material.
  • the co-acting material of the frame may be comprised wholly or partially of a magnet or a magnetic material.
  • FIG 15 is illustrative of an alternate embodiment of the instant invention which employs magnet material 934.
  • the adaptor 106 comprises at least one protrusion 118 adapted for at least partial circumferential edge mounting on the lens 102 in any manner known to the art.
  • At least one location within or portion of the protrusion 118 is a magnetic material 934, contained substantially within the adaptor 106.
  • the attractive force between the magnetic material 934 and a corresponding magnetic material within the frame (not shown) provides the force for securing the lens 102, within the adaptor 106, to the frame (not shown).
  • Figure 16 is a partial cut-away view of a brow bar 304, further illustrating the adaptor 106 and lens 102 shown in Figures 14 and 15.
  • the brow bar 304 comprises a lens channel 308 in which at least one deposition of magnetic material 936 is located.
  • the magnetic material 936 is located and configured to interact with corresponding magnetic material 934 in the adaptor 106.
  • the magnetic attraction of the two magnetic materials 934 and 936 is sufficient to secure the lens 102 and adaptor 106 to the brow bar 304.
  • a lens 102 is fitted with an adaptor 106. If the lens is a prescription lens, this fitting can be accomplished at any time after the cutting of the lens and at any point of the assembly of the eyeglass frame.
  • the adaptor 106 can be affixed to the lens 102 using a filament 202, as shown, for example, in Figures 2 and 9(a), an adhesive 502 as shown in Figure 5(b), a mechanical fastener 902 as shown in Figure 5(d), or any additional attachment methods, alone or in combination.
  • the adaptor 106 and the lens 102 create a subassembly for final glazing of eyewear.
  • This subassembly is easily handled, durable, and can be installed in eyewear, as in, for example, Figure 3.
  • the subassembly is properly oriented for insertion into the rimless frame 302.
  • a first upper end or edge of the adaptor 106 part of the subassembly, with or without a protrusion 118, is inserted into the corresponding lens channel 308 which may be configured with a recess for accepting a protrusion 118.
  • the second upper end or edge is brought into contact with an opposite surface of the rimless frame.
  • the mating components temporarily deform until the subassembly is secured within the lens channel.

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

Abstract

La présente invention concerne un adaptateur destiné à être fixé à un verre de lunettes et à être reçu dans une monture de lunettes, pour faciliter l'adaptation et le remplacement de différentes formes de verres dans différentes montures de lunettes, en particulier des montures sans contour ou à contour partiel, des montures en forme d'ailes, des montures en trois parties et des montures de formes complexes.
PCT/US2007/018775 2007-08-24 2007-08-24 Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation WO2009029064A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/US2007/018775 WO2009029064A1 (fr) 2007-08-24 2007-08-24 Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2007/018775 WO2009029064A1 (fr) 2007-08-24 2007-08-24 Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation

Publications (1)

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WO2009029064A1 true WO2009029064A1 (fr) 2009-03-05

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PCT/US2007/018775 WO2009029064A1 (fr) 2007-08-24 2007-08-24 Adaptateur pour fixer de la lunetterie à une monture et son procédé d'utilisation

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11584094B2 (en) 2017-10-11 2023-02-21 Divergent Technologies, Inc. Composite material inlay in additively manufactured structures

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466713A (en) * 1980-09-08 1984-08-21 Kabushiki Kaisha Suwa Seikosha Lens holding structure and wire material
US5467148A (en) * 1993-11-08 1995-11-14 Bausch & Lomb Incorporated Eyewear having interchangeable lenses
US6592220B1 (en) * 2002-01-30 2003-07-15 Lak Cheong Eyeglass frame with removably mounted lenses

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4466713A (en) * 1980-09-08 1984-08-21 Kabushiki Kaisha Suwa Seikosha Lens holding structure and wire material
US5467148A (en) * 1993-11-08 1995-11-14 Bausch & Lomb Incorporated Eyewear having interchangeable lenses
US6592220B1 (en) * 2002-01-30 2003-07-15 Lak Cheong Eyeglass frame with removably mounted lenses

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11584094B2 (en) 2017-10-11 2023-02-21 Divergent Technologies, Inc. Composite material inlay in additively manufactured structures

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