CA2276699A1 - Auxiliary lenses for eyeglasses - Google Patents
Auxiliary lenses for eyeglasses Download PDFInfo
- Publication number
- CA2276699A1 CA2276699A1 CA 2276699 CA2276699A CA2276699A1 CA 2276699 A1 CA2276699 A1 CA 2276699A1 CA 2276699 CA2276699 CA 2276699 CA 2276699 A CA2276699 A CA 2276699A CA 2276699 A1 CA2276699 A1 CA 2276699A1
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- CA
- Canada
- Prior art keywords
- auxiliary
- primary
- bridge
- lateral
- lenses
- Prior art date
- Legal status (The legal status 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 status listed.)
- Abandoned
Links
- 230000005291 magnetic effect Effects 0.000 description 15
- 239000000696 magnetic material Substances 0.000 description 5
- 230000004438 eyesight Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
- 230000037081 physical activity Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C9/00—Attaching auxiliary optical parts
-
- 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
- G02C2200/02—Magnetic means
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
- Eyeglasses (AREA)
Abstract
An auxiliary spectacle apparatus is provided wherein the primary frame has securing portions located at positions proximal to its lateral ends and on the rear side of the primary frame, the auxiliary frame has a bridge fastener for releasably engaging the bridge portion and lateral fasteners for releasably engaging the securing portions, and magnets at positions between each lateral fastener and each securing portion.
Description
~S
AUXILIARY LENSES FOR EYEGLASSES
FIELD OF THE INVENTION
The invention relates to spectacles and auxiliary frames adapted for attaching to spectacles.
More particularly, the present invention relates to the means in which auxiliary lenses are attached to spectacles.
BACKGROUND OF THE INVENTION
A typical spectacle frame having an attachable one-piece slide-on rim is disclosed in U. S. Pat.
No. 4,070,103 to Meeker. In Meeker, a spectacle frame includes a magnetic material secured to the front face of the frame for facilitating attachment of an auxiliary frame. The lens rim cover also includes a magnetic strip for engaging with the magnetic material of the spectacle frame.
Another typical auxiliary eyeglass attachment is disclosed in U.S. Pat. No.
5,416,537 to Sadler, which teaches a first magnetic. members secured to the front face of the frames and second magnetic members secured to the corresponding portions of the auxiliary lenses. The auxiliary lenses are simply attached to the frames by magnetic materials and have no supporting members for preventing the auxiliary lenses from moving downward relative to the frames. Thus the auxiliary lenses thus can move downward relative to the frames and may be easily disengaged from the frames when the users conduct jogging or jumping exercises. In addition, the magnetic materials are embedded in the frames of the primary lenses and of the auxiliary lenses. This requires cavities in the frames for engaging with the magnetic members such that the strength of the frames is compromised.
U.S. Pat. No. 5,737,054 to Chao teaches a combined magnetic and hook attachment located at the top of the bridge of the spectacles. This apparatus may give rise to "rattling" of the lateral ends of the auxiliary spectacles against the lateral ends of the primary spectacles, during activities such as jogging. Additionally, any accidental jostle or collision against the spectacles from an object, such as a hand, moving upwards or sideways in relation to the spectacles, may easily dislodge the auxiliary spectacles from the primary spectacles.
S
Canadian patent application No. 2,180,714 to Chao and Canadian patent application No.
2,235,897 to Chao both teach auxiliary spectacles having fastening arms extending rearward from the lateral ends of the auxiliary frames. The fastening arms are magnetized and fasten to the upper sides of the lateral ends of the primary spectacle. Again, any accidental jostle or collision against the spectacles from an object such as a hand moving sideways may easily dislodge the auxiliary spectacles from the primary spectacles.
Canadian patent application No. 2,236,025 to Ku teaches auxiliary spectacles having fastening arms extending rearward from the lateral ends of the auxiliary frames. The fastening arms are 1 S magnetized and are received into a recess in the rearward facing sides of the lateral ends of the primary spectacle. Still, this device lacks the desired security of attachment, since accidentally dislodging one end of the auxiliary spectacles will cause the attachment to fail. The spectacle attachment of Ku is also difficult to attach and remove from the primary spectacles because of the nesting engagement between the ends of the fastening arms and the recesses in the primary spectacle. Furthermore, the need for recesses in the frames weakens the frames.
SLrMMARY OF THE INVENTION
The present invention provides a spectacle apparatus, having a front side, a rear side and a top;
(a) a primary frame adapted for fitting on a wearer's head, the primary frame having lateral ends; securing portions located at positions proximal to the lateral ends and on the rear side of the primary frame; and a bridge portion medial in the primary frame; (b) auxiliary lenses;
(c) an auxiliary frame having retaining means for retaining the auxiliary lenses; a bridge fastener for releasably engaging the bridge portion, the bridge fastener at a position which corresponds with the position of the bridge portion; lateral fasteners for releasably engaging the securing portion, the lateral fasteners at positions which correspond the position of the securing portions; and (d) magnets at positions between each lateral fastener and each securing portion.
In a preferred embodiment, when assembled, the primary frame has lateral portions which project towards the front side and beyond the rear side of the auxiliary frames.
In one embodiment, the primary magnets are axed to the securing portions and auxiliary magnets are axed to the lateral fasteners. In another embodiment, a magnet is located between the bridge portion and the bridge fastener. In a further embodiment, a magnet is located between the bridge portion and the bridge fastener.
In one embodiment, the invention provides primary lenses and retaining means on the primary frames for retaining the primary lenses.
In one embodiment, the lateral fasteners extend essentially immediately rearward from the auxiliary frames.
In another embodiment, when assembled, the bridge fastener forms a hook over the bridge.
In a further embodiment, when assembled, the bridge fastener forms a hook over and behind the bridge. In a further embodiment, the lateral fasteners extend essentially laterally from the auxiliary frames subsequent to extending immediately rearward. In a further preferred embodiment, when assembled, the bridge fastener forms a horizontal interference flt with the primary frames.
The above and other objects, features and advantages of the present invention will become more apparent from the following description and claims, with reference to the attached drawings showing some preferred embodiments of the invention.
AUXILIARY LENSES FOR EYEGLASSES
FIELD OF THE INVENTION
The invention relates to spectacles and auxiliary frames adapted for attaching to spectacles.
More particularly, the present invention relates to the means in which auxiliary lenses are attached to spectacles.
BACKGROUND OF THE INVENTION
A typical spectacle frame having an attachable one-piece slide-on rim is disclosed in U. S. Pat.
No. 4,070,103 to Meeker. In Meeker, a spectacle frame includes a magnetic material secured to the front face of the frame for facilitating attachment of an auxiliary frame. The lens rim cover also includes a magnetic strip for engaging with the magnetic material of the spectacle frame.
Another typical auxiliary eyeglass attachment is disclosed in U.S. Pat. No.
5,416,537 to Sadler, which teaches a first magnetic. members secured to the front face of the frames and second magnetic members secured to the corresponding portions of the auxiliary lenses. The auxiliary lenses are simply attached to the frames by magnetic materials and have no supporting members for preventing the auxiliary lenses from moving downward relative to the frames. Thus the auxiliary lenses thus can move downward relative to the frames and may be easily disengaged from the frames when the users conduct jogging or jumping exercises. In addition, the magnetic materials are embedded in the frames of the primary lenses and of the auxiliary lenses. This requires cavities in the frames for engaging with the magnetic members such that the strength of the frames is compromised.
U.S. Pat. No. 5,737,054 to Chao teaches a combined magnetic and hook attachment located at the top of the bridge of the spectacles. This apparatus may give rise to "rattling" of the lateral ends of the auxiliary spectacles against the lateral ends of the primary spectacles, during activities such as jogging. Additionally, any accidental jostle or collision against the spectacles from an object, such as a hand, moving upwards or sideways in relation to the spectacles, may easily dislodge the auxiliary spectacles from the primary spectacles.
S
Canadian patent application No. 2,180,714 to Chao and Canadian patent application No.
2,235,897 to Chao both teach auxiliary spectacles having fastening arms extending rearward from the lateral ends of the auxiliary frames. The fastening arms are magnetized and fasten to the upper sides of the lateral ends of the primary spectacle. Again, any accidental jostle or collision against the spectacles from an object such as a hand moving sideways may easily dislodge the auxiliary spectacles from the primary spectacles.
Canadian patent application No. 2,236,025 to Ku teaches auxiliary spectacles having fastening arms extending rearward from the lateral ends of the auxiliary frames. The fastening arms are 1 S magnetized and are received into a recess in the rearward facing sides of the lateral ends of the primary spectacle. Still, this device lacks the desired security of attachment, since accidentally dislodging one end of the auxiliary spectacles will cause the attachment to fail. The spectacle attachment of Ku is also difficult to attach and remove from the primary spectacles because of the nesting engagement between the ends of the fastening arms and the recesses in the primary spectacle. Furthermore, the need for recesses in the frames weakens the frames.
SLrMMARY OF THE INVENTION
The present invention provides a spectacle apparatus, having a front side, a rear side and a top;
(a) a primary frame adapted for fitting on a wearer's head, the primary frame having lateral ends; securing portions located at positions proximal to the lateral ends and on the rear side of the primary frame; and a bridge portion medial in the primary frame; (b) auxiliary lenses;
(c) an auxiliary frame having retaining means for retaining the auxiliary lenses; a bridge fastener for releasably engaging the bridge portion, the bridge fastener at a position which corresponds with the position of the bridge portion; lateral fasteners for releasably engaging the securing portion, the lateral fasteners at positions which correspond the position of the securing portions; and (d) magnets at positions between each lateral fastener and each securing portion.
In a preferred embodiment, when assembled, the primary frame has lateral portions which project towards the front side and beyond the rear side of the auxiliary frames.
In one embodiment, the primary magnets are axed to the securing portions and auxiliary magnets are axed to the lateral fasteners. In another embodiment, a magnet is located between the bridge portion and the bridge fastener. In a further embodiment, a magnet is located between the bridge portion and the bridge fastener.
In one embodiment, the invention provides primary lenses and retaining means on the primary frames for retaining the primary lenses.
In one embodiment, the lateral fasteners extend essentially immediately rearward from the auxiliary frames.
In another embodiment, when assembled, the bridge fastener forms a hook over the bridge.
In a further embodiment, when assembled, the bridge fastener forms a hook over and behind the bridge. In a further embodiment, the lateral fasteners extend essentially laterally from the auxiliary frames subsequent to extending immediately rearward. In a further preferred embodiment, when assembled, the bridge fastener forms a horizontal interference flt with the primary frames.
The above and other objects, features and advantages of the present invention will become more apparent from the following description and claims, with reference to the attached drawings showing some preferred embodiments of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
A preferred embodiment of the invention will be described with reference to the accompanying drawings, in which:
FIG. 1 is a top front perspective view of a disassembled spectacle apparatus according to the present invention.
FIG. 2 is a top front perspective view of a portion of a disassembled spectacle apparatus according to the present invention.
FIG. 3 is a top front perspective view of a portion of an assembled spectacle apparatus according to the present invention FIG. 4 is a top rear perspective view of the medial engaging structure of an assembled spectacle apparatus according to the present invention.
FIG. 5 is a top view of the lateral engaging structure of the assembled present invention.
FIG. 6 is a partially broken away side view of the lateral engaging structure of the assembled present invention.
FIG. 7 is a side cross-sectional view of the lateral engaging structure of the assembled present invention DESCRIPTION OF A PREFERRED EMBODIMENT
Preferred embodiments of the present invention will now be described in detail with reference to the appended drawings, in which like elements are denoted by like reference numerals.
As shown in FIG. 1, the spectacle apparatus of the present invention has auxiliary spectacles 30 and primary spectacles 42, which are defined as having a front side 12, a rear side 14, a top side 40 and lateral ends 16. FIG. 1 shows the apparatus in a dissembled form.
A preferred embodiment of the invention will be described with reference to the accompanying drawings, in which:
FIG. 1 is a top front perspective view of a disassembled spectacle apparatus according to the present invention.
FIG. 2 is a top front perspective view of a portion of a disassembled spectacle apparatus according to the present invention.
FIG. 3 is a top front perspective view of a portion of an assembled spectacle apparatus according to the present invention FIG. 4 is a top rear perspective view of the medial engaging structure of an assembled spectacle apparatus according to the present invention.
FIG. 5 is a top view of the lateral engaging structure of the assembled present invention.
FIG. 6 is a partially broken away side view of the lateral engaging structure of the assembled present invention.
FIG. 7 is a side cross-sectional view of the lateral engaging structure of the assembled present invention DESCRIPTION OF A PREFERRED EMBODIMENT
Preferred embodiments of the present invention will now be described in detail with reference to the appended drawings, in which like elements are denoted by like reference numerals.
As shown in FIG. 1, the spectacle apparatus of the present invention has auxiliary spectacles 30 and primary spectacles 42, which are defined as having a front side 12, a rear side 14, a top side 40 and lateral ends 16. FIG. 1 shows the apparatus in a dissembled form.
5 Primary spectacles 42 are adapted to be worn on the head of the wearer by means of the stems 44, which fit over a wearer ears to support the spectacles. The stems 44 are attached to the primary frame 10 at each of its lateral ends 16. On the rearward face of lateral ends 16 is located primary magnet holder 20. As is seen in cross-section FIG. 7, nested within magnetic holder 20 is provided a magnet 27.
Returning to FIG. 1, primary frame 10 includes a bridge portion 22 which is medial within the frame and which extends between primary lenses 18. Primary frame 10 further includes nose portions 46 which extend medially to provide further support for the spectacles on the wearer's head. The primary frame 10 provides retaining structure for primary lenses 18.
Primary lenses 18 may be clear or slightly tinted glass or plastic material.
One or both primary lenses 18 may be shaped to the wearer's visual deficiencies.
The auxiliary spectacle 30 is a one-piece unit. That is, the auxiliary lenses 36 cover both of the primary lenses 18. The external shape of the auxiliary lenses 30 generally correspond with the external shape of the primary lenses 18. One use for the auxiliary lenses 30 is to provide protection to the wearer from sunlight and other vision-damaging elements.
Therefore, the auxiliary lenses 30 may be tinted with a tint which is darker than the tint of the primary lenses 18, and may also include a material therein or a coating thereon to filter ultraviolet light or other specific wavelengths of light.
Auxiliary spectacles 30 comprise an auxiliary frame 32 which provides a retaining means for auxiliary lenses 36. As best seen in FIG. 2 and FIG. 3, auxiliary spectacles 30 also have a lateral fastener 24 which extends essentially rearward from the auxiliary spectacles 30, and subsequently downward, culminating in auxiliary magnetic holder 28. Auxiliary magnet holder 28 corresponds in position to a securing magnet holder 20 on the rear side of primary spectacles 42. Nested within magnetic holder 28 is provided a magnet 27.
Returning to FIG. 1, primary frame 10 includes a bridge portion 22 which is medial within the frame and which extends between primary lenses 18. Primary frame 10 further includes nose portions 46 which extend medially to provide further support for the spectacles on the wearer's head. The primary frame 10 provides retaining structure for primary lenses 18.
Primary lenses 18 may be clear or slightly tinted glass or plastic material.
One or both primary lenses 18 may be shaped to the wearer's visual deficiencies.
The auxiliary spectacle 30 is a one-piece unit. That is, the auxiliary lenses 36 cover both of the primary lenses 18. The external shape of the auxiliary lenses 30 generally correspond with the external shape of the primary lenses 18. One use for the auxiliary lenses 30 is to provide protection to the wearer from sunlight and other vision-damaging elements.
Therefore, the auxiliary lenses 30 may be tinted with a tint which is darker than the tint of the primary lenses 18, and may also include a material therein or a coating thereon to filter ultraviolet light or other specific wavelengths of light.
Auxiliary spectacles 30 comprise an auxiliary frame 32 which provides a retaining means for auxiliary lenses 36. As best seen in FIG. 2 and FIG. 3, auxiliary spectacles 30 also have a lateral fastener 24 which extends essentially rearward from the auxiliary spectacles 30, and subsequently downward, culminating in auxiliary magnetic holder 28. Auxiliary magnet holder 28 corresponds in position to a securing magnet holder 20 on the rear side of primary spectacles 42. Nested within magnetic holder 28 is provided a magnet 27.
Auxiliary frame 32 also has a bridge fastener 38 which connects between the two portions of the frame which hold the auxiliary lenses 36. Bridge fastener 38 corresponds in position to bridge portion 22. Bridge fastener 38 extends rearward from auxiliary spectacles 30. In the preferred embodiment shown in FIG. 4, bridge fastener 38 also subsequently extends S downwards to form a hook-like structure for releasably fastening to bridge portion 22.
Also, as seen in FIG. 3 and FIG. 4, bridge fastener 38 is constructed such that there is physical obstruction created by the shape of bridge fastener 38 in relation to primary frame 10. This obstruction is not only horizontal, i.e., the interference between bridge fastener 38 and bridge 22 prevents the auxiliary spectacles from moving downward, but also vertical, because, as seen in FIG. 3, there is interference between bridge fastener 38 and corners 19 of primary frame 10. Again, this ensures a more secure attachment between the auxiliary spectacles 30 and the primary spectacles 42.
As best seen in FIG. 5, lateral fastener 24 is preferably shaped so as not to protrude outwardly in horizontal relation to the lateral ends 16 of primary spectacle 42 when the apparatus is assembled. Lateral fasteners 24 extend essentially immediately rearward from auxiliary frame 32. Thus, the lateral fasteners are protected from damage which could otherwise be caused by a collision at the lateral ends 16. Also, the lateral fasteners 24 are thus less noticeable, increasing the aesthetic appearance of the apparatus. In the preferred embodiment shown in FIG. S and FIG. 6, lateral fasteners 24 extend essentially laterally along auxiliary frame 32 subsequent to extending immediately rearward. Lateral fasteners 24 then extend downwardly, and terminate in auxiliary magnetic holder 28.
The lateral fastening apparatus of the invention is best shown in FIG. 5, FIG.
6 and FIG. 7, in assembled views. Lateral fastener 24, after extending immediately downward, terminates in auxiliary magnetic holder 28. Auxiliary magnetic holder 28 is positioned to correspond to primary magnetic holder 20. The magnetic members may be made of ferromagnetic material or other magnetic material. When the fastening apparatus of the invention is engaged, auxiliary lenses 36 are located proximal to primary lenses 18, so that a minimum amount of light may enter the between the respect lenses.
Also, as seen in FIG. 3 and FIG. 4, bridge fastener 38 is constructed such that there is physical obstruction created by the shape of bridge fastener 38 in relation to primary frame 10. This obstruction is not only horizontal, i.e., the interference between bridge fastener 38 and bridge 22 prevents the auxiliary spectacles from moving downward, but also vertical, because, as seen in FIG. 3, there is interference between bridge fastener 38 and corners 19 of primary frame 10. Again, this ensures a more secure attachment between the auxiliary spectacles 30 and the primary spectacles 42.
As best seen in FIG. 5, lateral fastener 24 is preferably shaped so as not to protrude outwardly in horizontal relation to the lateral ends 16 of primary spectacle 42 when the apparatus is assembled. Lateral fasteners 24 extend essentially immediately rearward from auxiliary frame 32. Thus, the lateral fasteners are protected from damage which could otherwise be caused by a collision at the lateral ends 16. Also, the lateral fasteners 24 are thus less noticeable, increasing the aesthetic appearance of the apparatus. In the preferred embodiment shown in FIG. S and FIG. 6, lateral fasteners 24 extend essentially laterally along auxiliary frame 32 subsequent to extending immediately rearward. Lateral fasteners 24 then extend downwardly, and terminate in auxiliary magnetic holder 28.
The lateral fastening apparatus of the invention is best shown in FIG. 5, FIG.
6 and FIG. 7, in assembled views. Lateral fastener 24, after extending immediately downward, terminates in auxiliary magnetic holder 28. Auxiliary magnetic holder 28 is positioned to correspond to primary magnetic holder 20. The magnetic members may be made of ferromagnetic material or other magnetic material. When the fastening apparatus of the invention is engaged, auxiliary lenses 36 are located proximal to primary lenses 18, so that a minimum amount of light may enter the between the respect lenses.
Because both magnetic holders 28 and 20 project outwardly from the respective frames, no recesses are required in the frames, which would weaken the frames.
Furthermore, by avoiding the use of recesses in the fastening apparatus, one is provided with an auxiliary spectacle which can be easily removed and replaced on the primary spectacles, without any for flexing or bending and without engaging auxiliary spectacle 40 at difficult angles in relation to primary spectacle 42.
In the embodiment shown, the lateral fastening apparatus comprises two magnets which are designed to attract each other, namely auxiliary magnet 29 and primary magnet 27. However, the invention also contemplates apparatus wherein either primary magnet 27 is not used or auxiliary magnet 29 is not used. In these embodiments, the portions corresponding to the magnets would be made of a metallic device suitable for attraction with the magnet.
In view of the relation between lateral fastener 24 and primary frame 10, auxiliary spectacles 30 are secured from lateral movement, and also secured from downward movement.
This security of attachment arises not only from magnetic portions 29 and 27, but also from the physical obstruction created by the shape of lateral fastener 24 in relation to primary frame 10.
This obstruction is not only horizontal, i.e. the interference between fastener 24 and lateral end 16 prevents the auxiliary spectacles from moving downward, but also vertical, because, as seen in FIG. 3, there is interference between corner 1 S of auxiliary frame 32 and portion 17 of primary frame 10. Again, this ensures a more secure attachment between the auxiliary spectacles 30 and the primary spectacles 42.
As can be seen in FIG. 4, further security of attachment is provided by the engagement between bridge fastener 38 of auxiliary spectacles 30 and bridge portion 22 of primary spectacles 42. In the embodiment shown, bridge fastener 38 extends rearwardly from auxiliary bridge 3 8, and downwardly on the rear side of bridge portion 22. This forms a hook engagement between bridge portion 22 and bridge fastener 3 8.
By using the three attachment portions of the present invention (i.e. two lateral plus one bridge fastener), auxiliary lenses 36 are less likely to collide with primary lenses 18 during physical activity. This prevents an annoying rattling noise between the auxiliary spectacles 30 and primary spectacles 42 and also reduces the risk of scratching or otherwise damaging the lenses by reducing contact between primary lenses 18 and auxiliary lenses 36.
The risk of accidental detachment of the auxiliary spectacles is also greatly reduced. A
bump or collision which dislodges a lateral fastener will not give rise to the auxiliary spectacles detaching from the primary spectacles, because the spectacles will remain fastened at two other points, i.e. the bridge fastener and the other lateral fastener.
The above-detailed description with reference to the illustrations is considered to be illustrative and not restrictive in character. Modifications and variations on the embodiments described may be made. For example, the auxiliary spectacles 30 may also be used for magnification of vision. In this case, the auxiliary spectacles 30 would be fashioned in the same manner as a magnifying glass and fit onto the primary lenses 18, which may or may not be prescription lenses. The auxiliary lenses 30 would then enlarge small or intricate details to make them more readily observable, so as to reduce the strain on the eyesight of the wearer.
The auxiliary lenses 30 may also have decorations thereon to be viewed by observers of the wearer, to enhance the appearance of the lenses or for amusement purposes.
As another example, the present invention also contemplates primary spectacles 42 which contain no primary tense 18. This embodiment would be useful in the circumstances wherein the user desires to remove and replace the auxiliary lenses 36, but does not require the primary lenses 18 for assisting vision. For example, this embodiment would be useful in the context of welding, wherein very dark lenses are required during the welding, but between welding, it may be desirable to have no lenses on. As another example, where an individual suffers from a visual defect which makes reading difficult, it may be desirable to have no lenses except when reading.
It is to be understood that only the preferred embodiments have been shown, and that modifications thereof would be readily apparent to one skilled in the art.
Therefore, the true scope and spirit of the invention resides in the appended claims and their legal equivalents, rather than by the given examples.
Furthermore, by avoiding the use of recesses in the fastening apparatus, one is provided with an auxiliary spectacle which can be easily removed and replaced on the primary spectacles, without any for flexing or bending and without engaging auxiliary spectacle 40 at difficult angles in relation to primary spectacle 42.
In the embodiment shown, the lateral fastening apparatus comprises two magnets which are designed to attract each other, namely auxiliary magnet 29 and primary magnet 27. However, the invention also contemplates apparatus wherein either primary magnet 27 is not used or auxiliary magnet 29 is not used. In these embodiments, the portions corresponding to the magnets would be made of a metallic device suitable for attraction with the magnet.
In view of the relation between lateral fastener 24 and primary frame 10, auxiliary spectacles 30 are secured from lateral movement, and also secured from downward movement.
This security of attachment arises not only from magnetic portions 29 and 27, but also from the physical obstruction created by the shape of lateral fastener 24 in relation to primary frame 10.
This obstruction is not only horizontal, i.e. the interference between fastener 24 and lateral end 16 prevents the auxiliary spectacles from moving downward, but also vertical, because, as seen in FIG. 3, there is interference between corner 1 S of auxiliary frame 32 and portion 17 of primary frame 10. Again, this ensures a more secure attachment between the auxiliary spectacles 30 and the primary spectacles 42.
As can be seen in FIG. 4, further security of attachment is provided by the engagement between bridge fastener 38 of auxiliary spectacles 30 and bridge portion 22 of primary spectacles 42. In the embodiment shown, bridge fastener 38 extends rearwardly from auxiliary bridge 3 8, and downwardly on the rear side of bridge portion 22. This forms a hook engagement between bridge portion 22 and bridge fastener 3 8.
By using the three attachment portions of the present invention (i.e. two lateral plus one bridge fastener), auxiliary lenses 36 are less likely to collide with primary lenses 18 during physical activity. This prevents an annoying rattling noise between the auxiliary spectacles 30 and primary spectacles 42 and also reduces the risk of scratching or otherwise damaging the lenses by reducing contact between primary lenses 18 and auxiliary lenses 36.
The risk of accidental detachment of the auxiliary spectacles is also greatly reduced. A
bump or collision which dislodges a lateral fastener will not give rise to the auxiliary spectacles detaching from the primary spectacles, because the spectacles will remain fastened at two other points, i.e. the bridge fastener and the other lateral fastener.
The above-detailed description with reference to the illustrations is considered to be illustrative and not restrictive in character. Modifications and variations on the embodiments described may be made. For example, the auxiliary spectacles 30 may also be used for magnification of vision. In this case, the auxiliary spectacles 30 would be fashioned in the same manner as a magnifying glass and fit onto the primary lenses 18, which may or may not be prescription lenses. The auxiliary lenses 30 would then enlarge small or intricate details to make them more readily observable, so as to reduce the strain on the eyesight of the wearer.
The auxiliary lenses 30 may also have decorations thereon to be viewed by observers of the wearer, to enhance the appearance of the lenses or for amusement purposes.
As another example, the present invention also contemplates primary spectacles 42 which contain no primary tense 18. This embodiment would be useful in the circumstances wherein the user desires to remove and replace the auxiliary lenses 36, but does not require the primary lenses 18 for assisting vision. For example, this embodiment would be useful in the context of welding, wherein very dark lenses are required during the welding, but between welding, it may be desirable to have no lenses on. As another example, where an individual suffers from a visual defect which makes reading difficult, it may be desirable to have no lenses except when reading.
It is to be understood that only the preferred embodiments have been shown, and that modifications thereof would be readily apparent to one skilled in the art.
Therefore, the true scope and spirit of the invention resides in the appended claims and their legal equivalents, rather than by the given examples.
Claims (10)
1. A spectacle apparatus, comprising a front side, a rear side, a top;
(a) a primary frame adapted for fitting on a wearer's head, said primary frame having lateral ends;
securing portions at positions proximal to said lateral ends and on said rear side of said primary frame; and a bridge portion medial in said primary frame;
(b) auxiliary lenses;
(c) an auxiliary frame having retaining means for retaining said auxiliary lenses;
a bridge fastener for releasably engaging said bridge portion, said bridge fastener at a position which corresponds at a position with said bridge portion; and lateral fasteners for releasably engaging said securing portion, said lateral fasteners at positions which correspond the position of said securing portions; and (d) magnets at positions between each said lateral fastener and each said securing portion.
(a) a primary frame adapted for fitting on a wearer's head, said primary frame having lateral ends;
securing portions at positions proximal to said lateral ends and on said rear side of said primary frame; and a bridge portion medial in said primary frame;
(b) auxiliary lenses;
(c) an auxiliary frame having retaining means for retaining said auxiliary lenses;
a bridge fastener for releasably engaging said bridge portion, said bridge fastener at a position which corresponds at a position with said bridge portion; and lateral fasteners for releasably engaging said securing portion, said lateral fasteners at positions which correspond the position of said securing portions; and (d) magnets at positions between each said lateral fastener and each said securing portion.
2. A spectacle apparatus as claimed in claim 1, wherein, when assembled, said primary frame has lateral portions which project towards said front side and beyond said rear side of said auxiliary frames.
3. A spectacle apparatus as claimed in claim 1, further comprising primary magnets affixed to said securing portions and auxiliary magnets affixed to said lateral fasteners.
4. A spectacle apparatus as claimed in claim 1, further comprising a magnet located between said bridge portion and said bridge fastener.
5. A spectacle apparatus as claimed in claim 1, further comprising primary lenses and retaining means on said primary frames for retaining said primary lenses.
6. A spectacle apparatus as claimed in claim 1, wherein said lateral fasteners extend essentially immediately rearward from said auxiliary frames.
7. A spectacle apparatus as claimed in claim 1, wherein, when assembled, said bridge fastener forms a hook over said bridge.
8. A spectacle apparatus as claimed in claim 7, wherein, when assembled, said bridge fastener forms a hook over and behind said bridge.
9. A spectacle apparatus as claimed in claim 6, wherein said lateral fasteners extend essentially laterally from said auxiliary frames subsequent to extending immediately rearward.
10. A spectacle apparatus as claimed in claim 1, wherein, when assembled, said bridge fastener forms a horizontal interference fit with said primary frames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2276699 CA2276699A1 (en) | 1999-06-30 | 1999-06-30 | Auxiliary lenses for eyeglasses |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA 2276699 CA2276699A1 (en) | 1999-06-30 | 1999-06-30 | Auxiliary lenses for eyeglasses |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2276699A1 true CA2276699A1 (en) | 2000-12-30 |
Family
ID=30774443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA 2276699 Abandoned CA2276699A1 (en) | 1999-06-30 | 1999-06-30 | Auxiliary lenses for eyeglasses |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2276699A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004200780B2 (en) * | 1999-12-01 | 2005-07-14 | Viva Ip Corp | Interlockable magnetic shelter frame for spectacle frame |
| US7048372B1 (en) | 2004-11-01 | 2006-05-23 | Haim Cohen | Primary eyeglass lenses magnetically mountable to a frame |
-
1999
- 1999-06-30 CA CA 2276699 patent/CA2276699A1/en not_active Abandoned
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004200780B2 (en) * | 1999-12-01 | 2005-07-14 | Viva Ip Corp | Interlockable magnetic shelter frame for spectacle frame |
| US7048372B1 (en) | 2004-11-01 | 2006-05-23 | Haim Cohen | Primary eyeglass lenses magnetically mountable to a frame |
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| Date | Code | Title | Description |
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| FZDE | Dead |