CN103907047B - Adjustable cheater - Google Patents
Adjustable cheater Download PDFInfo
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- CN103907047B CN103907047B CN201280054051.1A CN201280054051A CN103907047B CN 103907047 B CN103907047 B CN 103907047B CN 201280054051 A CN201280054051 A CN 201280054051A CN 103907047 B CN103907047 B CN 103907047B
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- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 210000003813 thumb Anatomy 0.000 description 2
- KXLUWEYBZBGJRZ-POEOZHCLSA-N Canin Chemical compound O([C@H]12)[C@]1([C@](CC[C@H]1C(=C)C(=O)O[C@@H]11)(C)O)[C@@H]1[C@@]1(C)[C@@H]2O1 KXLUWEYBZBGJRZ-POEOZHCLSA-N 0.000 description 1
- GPFVKTQSZOQXLY-UHFFFAOYSA-N Chrysartemin A Natural products CC1(O)C2OC2C34OC3(C)CC5C(CC14)OC(=O)C5=C GPFVKTQSZOQXLY-UHFFFAOYSA-N 0.000 description 1
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- 208000029091 Refraction disease Diseases 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
- G02C7/081—Ophthalmic lenses with variable focal length
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
- G02C7/08—Auxiliary lenses; Arrangements for varying focal length
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B3/00—Simple or compound lenses
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Health & Medical Sciences (AREA)
- Eyeglasses (AREA)
Abstract
Provide a pair of glasses (1), a pair of combined lens (66) that it has framework (2) and is carried by this framework. Each combined lens has adjustable focal length and comprises two lens elements (66A, 66B), its optical axis along combined lens and each other before and after arrange. Governor motion is configured to two lens elements relative to each other laterally mobile to change focal length, thereby individual lens element can be contrary with another lens element and move up transverse to the side of optical axis. Like this, optical axis keeps substantially fixing with respect to framework. This governor motion comprises that at least one framework connects rotatable element and bar (62), rotatable element engages with at least one lens element, and in use, promote the transverse shifting of at least one lens element, bar (62) is for being transmitted into another lens element transverse shifting in the opposite direction by the transverse shifting of a lens element of combined lens.
Description
Technical field
The present invention relates in general to eyewear art. Particularly, the present invention relates to glasses, its be provided with framework andBe configured to have a pair of combined lens of adjustable focal length.
Background technology
Glasses, are also called mirror or eyepiece, and normally framework is loaded with the form of eyeglass. Although otherDesign is also known, and eyes are worn before eyes and are supported on nose and on ear. Glasses are logicalBe usually used in vision correction, eye protection or for preventing UV light.
Ametropia (refractiveerror) (as myopia, long sight or astigmatism) of eyes can be by proofreading and correctEyeglass is alleviated, and corrective lens changes effective focal length. Eyeglass according to its characteristic (as, thickness, convexity/concavity)Limit specific focal length. For the patient's of correction of refractive errors eyesight and for it provides suitable eyeglass,Oculist or eye Shi Bixu open the number of degrees of eyeglass according to every eyes of each patient.
More in the world as the position in underdeveloped region and poorer region do not have suitable equipment and/orTechnical staff provides its needed service for having the resident of visual problem. Estimate that this relates to the worldSeveral hundred million people of scope. Make efforts to correct these people's visual problems, for example, by providing a series ofThe low cost glasses of focal length. Although the glasses of this fixed focal length can be manufactured dirt-cheap, but to remoteThe logistics of the distribution in region is difficult to, so be difficult to ensure that each one can finally receive the abundant rectification for eyesGlasses.
The principle that changes the refracting power of two component combination eyeglasses by the lens component that relatively moves existsIn prior art, be known. US3,617,116 and US3,507,565 disclose combined lens, its quiltBe configured to arrange before and after each other along optical axis with obtain expectation sphere within the scope of wider predetermined number of degrees with respect orThe cylinder number of degrees. These file instructions are in the time that the refracting power of expection is determined, these two lens elements can lead toCross as gluedd joint and be fixedly secured.
According to this principle, the possibility of affordable vision correction is to provide to adjustable eye cheaplyMirror. Can produce in large quantities and provide this low cost adjustable cheater. Following unbred wearer can lead toCross moving lens chip part and oneself arranges correct focal length for every eyes, thereby do not need housebroken eyeThe doctor of section or optist. WO2006/098618 discloses a kind of glasses, and it is provided with combined lens,Wherein wearer can focus by the mechanism that eyeglass is moved past to another. By by two eyeglass unitsPart moves same distance, and the optical axis of eyeglass remains on same position with respect to frame. The machine of the disclosureStructure require can by the groove of recess and eyeglass directly and be forever connected make at least one cam member andAt least one eyeglass interacts. This file discloses a mechanism, and it relative to each other moves lens elementMoving, but the design of mechanism does not provide the popular or design separately that the glasses of wearing are shown. This mechanism alsoLarge and significant in eyeglass design, make it be easier to allow impurity or particle enter or around mechanism andIts opening, and certain area in blockage mechanism or around. This will seriously hinder the work of mechanism, andTherefore affect the function of glasses. This governor motion does not provide the tune more accurately of the focal length to glasses yetJoint, only has manually and directly regulates. The present invention and embodiment thereof provide and have solved in aforesaid drawbacksOr multiple scheme.
Summary of the invention
According to the present invention, a pair of glasses are disclosed, it is provided with framework and a pair of combination of being carried by frameworkEyeglass, each combined lens has adjustable focal length and comprises two lens elements, and this lens element is configuredBecome one in front and one in back to arrange along the optical axis of combined lens, and governor motion, it is configured to two mirrorsPiece element is relative to each other laterally mobile to change focal length, each lens element can with another lens elementContrary and move transverse to the direction of the optical axis of lens element, basic with respect to framework thereby optical axis keepsFixing. This governor motion comprises that at least one framework connects rotatable element, and it engages at least one eyeglassElement is for promoting the transverse shifting of at least one lens element.
This governor motion also comprises at least one control lever, and it is connected to the framework of described glasses pivotlyIn, for converting the transverse shifting of a lens element of combined lens to another lens element in phaseReciprocal transverse shifting. Control lever can be connected to the outward flange of each lens element of combined lens. When turningWhen moving rotatable element, one in lens element is moved in a lateral direction, and its bar being connected toAbout its pivot rotation, make in the opposite direction transverse shifting of another lens element. If each lens elementCorrectly be shaped, this will cause optical axis to remain on identical relative position with respect to framework. By phase each otherAnti-direction moves two lens elements, has regulated the focal length of combined lens.
This rotatable element is preferably circular, for example, be substantially configured as wheel, wherein the edge of wheel withThe edge join of at least one lens element. The medial axis of rotatable element can be connected to the framework of glassesTo allow rotation. The edge of wheel can connect by the outward flange of the friction between contact surface and spectacles elementClose. The mode that friction realizes can be different, and for example level and smooth or rough surface contacts with each other to produce footEnough frictions, thus in the time that rotating, rotatable element causes the transverse shifting of lens element. This pivotablePart can comprise gear, itself and the edge join of at least one lens element with respective teeth. Can also beOther rotatable element, as the sliding members engaging with lens element at its outward flange.
Rotatable element can comprise at least Part I and Part II, wherein Part I and lens elementEngage, and Part II has adjusting part, regulate part adjacent for manual adjustments with the edge of frameworkIn combined lens one. Part II regulates eyeglass for rotating rotatable element by hand. TheA part is for being passed to lens element by the rotation of rotatable element. By changing the straight of two partsFootpath, can change the degree of regulation of eyeglass. For example,, when the diameter ratio of the Part I engaging with lens elementFor the diameter of the Part II that saved by hand adjustment more hour, the less transverse shifting of lens element will be by revolvingThe larger rotation that turns element causes. This makes it easily realize the fine adjustment of eyeglass.
Rotatable element is preferably surrounded at least in part by the framework of glasses. This rotatable element preferablyBe arranged in framework, thereby visually cannot see this rotatable element in the time seeing glasses from front. This changesEnter the outward appearance of glasses, reduced its chance moving unintentionally in the time not intending to regulate glasses, and protection machineStructure is avoided dust and moisture infringement. This rotatable element is preferably and is configured such that rotatable element extremelyFew 75% is hidden in framework. Can be set up the base of framework for the rotatable element of each combined lensEdge is in combined lens below. Governor motion is arranged on the position that it can be regulated easily by this, for exampleBy thumb rotate in rotatable element one or two with regulate combined lens.
This control lever preferably therein the heart about the fixing point pivotable in framework, and adjacent with its each endPlace is connected to two lens elements. In this configuration, in the time regulating, two eyeglasses of each combined lens canIn the opposite direction mobile identical amount. This disposes the adjusting that helps the focal length of realizing eyeglass, simultaneously by mirrorThe focal axis of sheet remains on the fixed position with respect to framework.
At least one pin (stud) is arranged in the frame of at least two eyeglasses, forSupport and guide the transverse shifting of lens element. The pin that this is little or beam can be substantially vertical with the plane of eyeglassDirectly, the direction parallel with optical axis extended. This pin does not stop the transverse shifting of lens element, but can be auxiliaryHelp guiding transverse shifting and the support structure to glasses is provided.
Spectacles element can have flat surfaces, and it faces with each other with syntople. In the past, adjustable JiaoThere is flat surfaces and curved surface apart from known each eyeglass in eyeglass, and wherein curved surface is configured to thatThis faces. In this configuration, in fact variable between two eyeglasses of the eyeglass that carries out selective refractionThe air gap of shape. Configuration of the present disclosure is set together the flat surfaces of eyeglass, thus the choosing of lightSelect refraction and mainly occur in two outer surfaces. In adjustment process, flat surfaces can slide over each other. ClosingIn the detailed description of the invention of the first embodiment of the present invention, lens element can by liquid or gel mould everyFrom, preferably high viscosity liquid or gel, as, silicone oil or silicon gel. The closed interval of eyeglass is believedPrevent that dust and particle from entering between eyeglass is favourable. This high viscosity liquid contributes to lubricated lens elementBetween composition surface, and provide stick-slip effect the position of lens element is kept fixedly preventing the nothing of eyeglassMeaning regulates. Liquid also contributes to prevent that dust from entering between lens element, and can be selected to pass through at lightWhen lens element and gap therebetween, reduce the change of refractive index, and the light improving between lens element passesPass.
One or more guide rail can be provided, and it links together two lens elements guide its horizontal strokeTo movement. By being provided as the guide rail of part of combined lens, can realize improved guide structure,It can be independent of the shape of framework. In addition, before inserting framework, eyeglass can more easily combine,And can more be firmly held in together as a unit. Particularly, guide rail can be with respect to frameworkMobile and can jointly move with one or two of lens element. In this context, guide rail is tending towardsComprise the structure for guide in the horizontal another lens element with respect to a lens element. Conventionally,Guide rail is straight, but does not get rid of guide rail bending or with angle. Guide rail extremelySmall part can be by a carrying in lens element, and can have channel cross-section, and it receives another mirror(one or more) complementary projection carrying on piece element. This complementary projection can also be and passageThe form of the track of joining. Alternatively, projection can be the form of one or more bolts or be guided by passageThe driven member (follower) of suitable dimension.
This guide rail can form connect and connect lens element as linking. In this case, guide railRoad is arranged on the passage on first mirror piece element, and it can have C shape section, and this C shape section is joined with buckleClosing configuration is connected with mushroom shaped projection or track on another element. The molded those skilled in the art of plastics shouldUnderstand and realize this buckle or the desired necessary shape of card cooperation and tolerance. Therefore lens element is combined inTogether can be relatively simple. Should understand the alternate embodiment connecing as linking, can be by driven member be laterally movedMove to guide rail and by two lens element combinations. This connected mode can be used for dove tail formula enforcement sideFormula.
The use of this guide rail allow its can with lens element at least one form. If mirrorSheet and track are made by casting process, and this will be very simple. In the past, eyeglass is formed accurately by glassGrind to form intended shape. Modern adjustable focal length eyeglass can be by injection moulding with a fraction of one-tenthOriginally make and there is enough accuracy. Preferred material for this technique is Merlon, and art technology peopleMember should understand substitution material and advantage thereof.
Can provide and be arranged at least two guide rails adjacent with the upper and lower edge of eyeglass. This track quiltBe configured to parallel to each other and ensure all to have improved guiding and also kept better eyeglass. Top and bottom guide railRoad is identical. Alternatively, in track can be used for guiding and another is additionally provided forConnection Element, as connect by as above linking.
In order to regulate the focal length of each combined lens, this governor motion can be included at least one of framework outsideMovable actuator. Movable actuator can grasp by user, and mobile until realize Jiao who expectsDistance. Preferably, the mode that actuator is prevented from entering of dust and impurity and through framework, as pass throughSeal. Actuator can be less obvious, it is not in use seen, and makeIt is not easy by disturbance, and this disturbance meeting is upset and focused on. Alternatively, actuator can be configured to initially establishingAfter putting, remove, make then focal length be fixed and can not be continued to regulate.
In a form of governor motion, a bar is provided, Qi center is about fixing on frameworkPoint pivotable, and hold separately adjacent to be connected to two lens elements at it. This bar can be then about its pivotRotation is to cause two lens elements relatively moving in opposite lateral. If each lens element correctlyForm, this will cause optical axis to remain on the identical relative position with respect to framework. Although movable actuatorCan be arranged in any position of eyeglass linkage, but the optimum position of actuator is the one end at bar. CauseThis, this is can be by framework protruding and can be provided with handle or the handle for manual activation.
This governor motion can preferably stop by stopping configuration, to prevent changing unintentionally lens positionBecome. This allows lens element can be arranged on selected position, and ensures that it remains on this position. This stopsConfiguration can comprise the interlocking tooth being positioned on framework, is preferably located on its inner surface. This locking teeth can with positionOther tooth on governor motion interacts. Technical staff will understand, although with reference to multiple teeth, soAnd can provide at least one interaction element, single tooth. This stops that configuration also comprises that spring loads unitPart, it is configured to engage and separate with interlockable teeth. This spring loading element is preferably arranged on adjusting machineOn structure.
The invention is not restricted to its different embodiment, but the some or all of features of each embodiment are passableAny mode combines to improve other notable feature of function, profile or glasses.
Brief description of the drawings
With reference to the accompanying drawing that shows embodiments of the present invention, the features and advantages of the present invention will be obvious, wherein:
Fig. 1 be first embodiment of the invention a pair of glasses with movable actuator thoroughlyView;
Fig. 2 is the plan view of the combined lens of the glasses of Fig. 1;
Fig. 3 is the cutaway view along line 3-3 of the combined lens of Fig. 2;
Fig. 4 is the perspective view of a combined lens in the eyeglass of Fig. 1;
Fig. 5-7th, the cutaway view of the glasses of Fig. 1, shows the operation of combined lens;
Fig. 8 is the plan view of the part of the framework of Fig. 1;
Fig. 9 is the perspective of a pair of glasses with rotatable element second embodiment of the inventionFigure;
Figure 10 is the cutaway view of the half of the glasses of Fig. 9, shows rotatable element and control lever;
Figure 11 is the perspective view more specifically of the control lever that is connected with two lens elements;
Figure 12 is the cutaway view of rotatable element, show with different-diameter be connected and with eyeglass unitThe more details of a connection of part;
Figure 13 is the cutaway view of the glasses of Fig. 9, shows the phase of two rotatable element and combined lensMutual effect.
Detailed description of the invention
Subsequently be the explanation about some embodiments of the present invention, it is with reference to accompanying drawing and only as showingExample. With reference to figure 1, show a pair of glasses 1 of first embodiment of the invention. Glasses 1 wrapDraw together framework 2, it is included in hinge 6 places and is pivotally connected in a conventional manner the arm 4 of this framework 2.This framework 2 is loaded with eyeglass 8A and the 8B of combination. Eyeglass 8A, the 8B of combination are adjustable focal lengths,As hereinafter by explanation. By being positioned at movable actuator 10A, the 10B on the top edge of framework 2And focus. In order to understand better, shown actuator is larger, but those skilled in the art shouldUnderstand in actual applications, so can be much smaller size because it seldom uses it. In addition, to the greatest extentActuator shown in pipe is in framework 2 outsides, and actuator can be positioned at framework 2, and can be by suitable workTool activates. The eyeglass of this combination has optical axis 12A, 12B. As described hereinafter, in the adjusting of focal lengthIn process, the relative position of optical axis 12A and 12B keeps substantially constant. This is important, due to rightIn proofread and correct vision, optical axis should with wearer's eye center between distance substantially align.
Fig. 2 shows the plan view of the possible embodiment of the combined lens 8A of Fig. 1. This eyeglass bagDraw together two lens elements 14,16, it was arranged to one before another. Each spectacles element 14,16There is gradient surface (graduatedsurface) 18 and flat surfaces 20. This flat surfaces 20 is to faceFace relation and abutting each other. The film 22 of high viscosity liquid can be used between two lens elements. This liquidBody contributes to the composition surface between lubricated lens element and provides adhesion sliding effect to keep lens elementPosition fix, avoid little shock to cause that the unexpected of eyeglass regulates. This liquid also contributes to prevent dustEnter between lens element, and reduce refraction while being used in light by lens element and gap therebetweenThe effect of the change of rate, and improve the light transmission between lens element. Comprise the tune of bar 40 and pivot 42Joint mechanism 24 is connected to lens element 14,16 by lug (lug) 44,46. As below incited somebody to action furtherIllustrate, the displacement of governor motion 24 makes lens element 14 move at direction X, and lens element16 move same distance at direction Y, and vice versa. The eyeglass 8A of combination also can be by having face-to-face passThe lens element of the curved surface of system is made, instead of flat surfaces, or is all had gradually by two surfacesBecoming surperficial lens element makes.
Fig. 3 is the sectional elevation that passes through combined lens 8A along the line 3-3 of Fig. 2, wherein eyeglass bagDraw together induction element. As shown in the figure, in this embodiment, this lens element 16 has with eyeglass 8A'sThe guiding channel 28 that top edge 30 is adjacent. The coupling that this guiding channel 28 receives on lens element 14 is dashed forwardPlay 32. The cross section of this guiding channel 28 is C shapes, and projection 32 has the shape of mushroom slightly.Passage 28 and projection 32 its extend on basic transverse width completely of lens element 14,16 separately andAs guide rail. In addition,, due to C shape cross section, guiding channel 28 is also used as lens element 14With 16 keep together. Adjacent with the lower limb 34 of combined lens 8A, two lens elements all arrangeThere is the guide rail 36,38 of joint. Guide rail the 36, the 38th, the cross section of part dove tail shape and at eyeglassWhole length on extend. As long as it will be understood by those skilled in the art that and realize enough guiding functions,There is no need to extend C shape and dove tail shape guiding element on whole width for each track, passage or projectionPart can use together or separately, maybe can use the induction element of other shape or type, or induction elementCan omit completely, particularly in the time that framework 2 is enough to carry out guiding function.
Fig. 4 shows the perspective view of combined lens 8A, wherein shows guiding channel 28, projection 30And interaction between guide rail 36,38, and show governor motion 24. As shown in the figure, adjustJoint mechanism comprises bar 40, and it has the pivot 42 that approaches its center. Be provided with and cause in the top of bar 40Moving device 10B. Lug 44 is positioned at the top of bar 40, and is connected to lens element 14. Another lug 46(part is blocked) is positioned at the lower end of bar 40 and is connected to lens element 16. Lug 44,46 can thisThe familiar different modes of those skilled in the art is connected to lens element. Most preferably, this connection is to allow phasePin to rotation is connected with hole. This pin can be molded integratedly with lens element, and lug can be slightly recessedTo in lens element to reduce required space in framework 2.
Enter the operation of an explanation governor motion 24 with reference to Fig. 5-7. According to Fig. 5, wherein show withFig. 4 combined lens 8B that user's view directions is observed. Eyeglass 8B is installed in framework 2, frameFrame 2 is partly cut to expose governor motion 24. Pivot 42 is installed in and is arranged in framework 2On pin 50. This pin 50 can be molded integratedly with framework 2, or can be independent parts, as, useMetallic pin in plastic frame. This pin 50 allows bar 40 in pivot 42 places rotation. Shown guidingPassage 28 and track 36,38 are adjacent with upper and lower edge 30,34 respectively. According to the position of Fig. 5,Actuator 10B mediates (neutralposition) and bar 40 is substantially vertical. This can be rightShould there is the setting of-3 dioptric lens elements.
In Fig. 6, actuator 10B is moved into right side, and bar 40 is turned clockwise about pin 50.Lug 44 promotes lens element 14 towards the right. Lug 46 pulls eyeglass unit towards the left side with identical amountPart 16. This makes the diopter of combined lens 8B be increased to the value of maximum-6.
In Fig. 7, actuator 10B is moved towards the left side along contrary direction. This make bar 40 withCounterclockwise rotation. In this case, lug 44 pulls lens element 14 towards the left side, and lug46 promote lens element 16 towards the right with identical amount. This reduces the diopter of combined lens 8BTo approximately-0.5 value. Carry out in a similar manner the adjusting to combined lens 8A.
Fig. 8 shows the top view of a part for framework 2, and wherein actuator 10B is removed. Bar 40Top divide via groove 52 projections through framework 2. Groove 52 is provided with optional interlocking tooth along one side(interlockingteeth) 54 and be provided with flexible seals 56 along opposite side. This bar 40 also can be establishedBe equipped with multiple teeth 58. In use, the side that bar 40 is pressed against groove 52 by flexible seals makes tooth58 engage with interlocking tooth 54. Once engage, tooth 54,58 prevents the unwanted movement of adjusting device.In order to regulate the focal length of combined lens 8B, must be at the pressure of the direction opposing seal 56 of arrow Z andMobile brake 10B. The seal 56 also helps to keep groove 52 closures, prevents that impurity from entering framework 2Inner.
Fig. 9 shows a pair of glasses 1 second embodiment of the invention. Glasses 1 comprise framework2, it has the arm 4 that is pivotally connected in a usual manner this framework 2 at hinge 6 places. Framework 2 is loaded withCombined lens 65A and the 65B of adjustable focal length. This can be according to the first embodiment, and by above-mentionedAnd the some or all of features shown in Fig. 2-4 kind form, but have as hereinafter by the adjusting of explanationMechanism. Carry out the adjusting of focusing by rotating rotatable element 60A and 60B. Note in the drawingsThe rotatable element 60A illustrating and 60B have relatively large size, but practice in due to its onlySo need to use rarely it can be much smaller size. Rotatable element 60A, 60B can be madeEnough little and be recessed in framework, thereby its overhang below the edge of framework is little or completely prominentGo out. This prevents that rotatable element position from leaning against on wearer's cheek, or additionally becomes obstacle, and hidesLive rotatable element it is not seen, thereby glasses have attractive outward appearance and governor motion is kept offFirmly can not affect the outward appearance of glasses. This combined lens has optical axis 12A, 12B. As described hereinafterIn the adjustment process of focal length, the relative position of eyeglass axis 12A, 12B keeps substantially constant. This isImportant, due to for correct vision, optical axis should and wearer's eye center between distance basicAlignment.
Figure 10 shows the rearview (from wearer's visual angle) of the half of this pair of glasses 1, and it is by lineA-A ' separates and framework is cut open to illustrate internal structure. A lens element 66A is at tie point 62APlace is connected to control lever 62, and a lens element 66B is connected to 62B. This control lever 62 is about connectingThe point 62C pivotable of the centre between contact 62A and 62B. By this structure, a lens elementTransverse shifting will cause another lens element transverse shifting in the opposite direction. Preferably, each eyeglass unitThe transverse shifting amount of part is identical and lens light axis is maintained at the same position with respect to framework.
Lens element 66A interacts with rotatable element 60A via interlocking tooth 68 and 70A, itsMiddle tooth 68 is formed on the lower limb of lens element 66A, and tooth 70A is formed on rotatable element 60A.Therefore, the rotation of rotatable element 60A is converted into the transverse shifting of lens element 66A. Real at thisExecute in mode, rotatable element 60A has two parts of different-diameter, in wherein tooth 70A is formed onSmall diameter portion 72A is upper, and tooth 70B is formed in the adjusting part of outer major diameter part 72B. CanThe lower part of spinner member 60A is outstanding slightly below the feather edge of framework, thereby user can Contact Tooth70B is manually to rotate rotatable element 60A. This can engage with tooth 70B by user's thumbAnd most convenient ground is realized. This rotatable element also can be configured such that its lower part with tooth 70B notOutstanding but recessed slightly below framework, thus user's thumb (or finger) still can lead toCross and press the lower limb of framework and and indented joint. Spinner member 60A rotates about pin 61, this pin 61Be connected to framework 2.
Multiple pins (stud) 3 as shown in the figure, its from frame part 2a to inner process with support lensesElement allows the transverse shifting of lens element simultaneously. Can provide to the quantity of the pin 3 of glasses 1 and be not limited toQuantity shown in Figure 10. The size of element is also not limited to the size of the element using in Figure 10.
Figure 11 show two lens element 66A and 66B with and how to be connected to control lever 62There is the perspective view of more details. This control lever 62 is by the medial axis hole 62C through control lever 62Pin 74 and be pivotally connected to. This pin 74 is connected to the frame part 2a of glasses 1. This pin 74 and inBetween axis hole align along axis X 1. Lens element 66A is pivotally connected to control by pin 76CBar 62, this pin 76C is through the hole 62A and the projection 78A that is connected to lens element 66A of control lever 62In hole 76A. Hole 62A and 76A and pin 76C align along axis X 2. Lens element 66BBe pivotally connected to control lever 62 by pin 76D, this pin 76D through the hole 62B of control lever 62 andBe connected to the hole 76B in the projection 78B of lens element 66B. Hole 62B and 76B and pin 76D areAlign along axis X 3. Hole 62A, 62B, 62C, 76A, 76B, control lever 62, projection 78AAnd 78B, pin 74,76C, 76D, and the size of lens element 66A and 66B, as glasses 1Framework 2 is not limited to the size shown in figure or configuration.
In order to regulate this glasses, user rotates rotatable element 60A, and it is done in order to laterally mobileMirror element 66A. In the time that lens element 66A laterally moves to right side, control lever 62 is rotated counterclockwise,Thereby promote lens element 66B transverse shifting respective amount to the left, as understood from Figure 11. SimilarGround, lens element 66A to the left transverse shifting will make lens element 66B move to the right.
Figure 12 shows by the sectional elevation of the axis of rotatable element 60A, shows pivotableThe different piece 61A of part and the more details of 61B, and lens element 66A and rotatable element 60AConnection be all arranged in the framework 2 of glasses 1. The axis of rotatable element 60A is depicted as axis X 4.Spinner member 60A has two parts 72A and the 72B of different-diameter, wherein the diameter of part 72A ratioThe diameter of 72B is little. Part 72A has tooth 70A, its be connected to or be formed on lens element 66AOn tooth 68 interlock. Part 72B also has the part of adjusting 70B, for manually rotating spinner memberThereby focus. This adjusting part 70B can comprise tooth, or be applicable to the coarse of manual adjustments orLevel and smooth surface. Part 72A and 72B are rotationally attached to framework 2 via pin 61. The shape of elementShape and distance are therebetween not limited to shown in Figure 12.
In the time that user regulates glasses by rotating rotatable element 60A, part 72A and 72B are altogetherWith rotation, but the difference of the diameter between two parts causes compared with regulating the movement of part 70B, mirrorPiece element moves small distance, more rough thereby the meticulous adjusting of eyeglass can be by rotatable element 60AAdjusting is carried out. By changing two-part diameter ratio, controllable adjustable precision, lens element is relativeLateral displacement. Although only show two parts 61A and 61B in Figure 12, but only the invention is not restricted toTwo parts or minimum two parts. For example, can use the combination of rotatable element, the pivotable of for example interlockingPart 80 and 90, it is arranged on through the relative tilt line D-D ' of its axis 81,91 upper, as Figure 13Shown in.
Governor motion is illustrated for a combined lens, is provided with adjusting but should understand each combined lensMechanism, thus two eyeglasses can regulate to meet the each eyes that adorn oneself with independently.
Therefore, describe the present invention with reference to above-mentioned embodiment. Should be understood that these embodimentsCan be modified to various deformation and optional form by mode well known by persons skilled in the art, and about thisThe feature of an embodiment explanation of invention also can be used for other embodiment. For example, the second enforcement sideThe lens element of formula can have gradient surface and flat surfaces, and wherein flat surfaces is related to that with aspectantThis abuts. High viscosity liquid or gel film can be used between two lens elements, (no matter whether it hasAbut flat surfaces), to lubricate the composition surface between lens element and to provide stick-slip effect to keep eyeglassThe position of element is fixed and is prevented from by mistake regulating eyeglass. Can select liquid or gel to mate more nearlyThe refractive index of lens element, to improve the light transmission by eyeglass. Although show the eyeglass of general rectangularShape, but can change eyeglass and framework 2 into various shape, comprise circle, ellipse and microscler.
Except above-mentioned, also can structure and the technology of explanation here be further revised and do not departed fromThe spirit and scope of the invention. Therefore, although detailed description of the invention has been described, but these are only exampleAnd do not limit the scope of the invention.
Claims (20)
1. glasses (1), it is provided with framework (2) and by described framework (2) carrying a pair of groupClose eyeglass (65A, 65B), each combined lens (65A, 65B) has adjustable focal length and comprises:
Two lens elements (66A, 66B), it is along the optical axis of described combined lens (65A, 65B)(12A, 12B) arranges in tandem; With
Governor motion, it is arranged to by described two lens elements (66A, 66B) relative to each otherTransverse shifting to be to change described focal length, each lens element (66A, 66B) can with another lens element(66A, 66B) is oppositely and transverse to the optical axis (12A, 12B) of described lens element (66A, 66B)Side move up, thereby described optical axis (12A, 12B) with respect to described framework (2) keep baseThis is fixing; Described governor motion comprises:
At least one framework-connection rotatable element (60A, 60B), itself and at least one lens element(66A, 66B) engages and is used for promoting laterally moving of described at least one lens element (66A, 66B)Moving; With
At least one control lever (62), it is connected to the described framework (2) of described glasses (1) pivotlyIn, for the transverse shifting of a lens element of described combined lens is translated into another eyeglass unitPart transverse shifting in the opposite direction;
Wherein said control lever (62) is pivotally connected to by the first pin (74), described the first pin (74)Through the medial axis hole (62C) of described control lever (62), wherein said the first pin (74) is connected toThe frame part (2a) of described glasses (1), and wherein said the first pin (74) and described medial axisAlign along the first medial axis (X1) in hole (62C);
A wherein said lens element (66A) is pivotally connected to described control lever by the second pin(62), described the second pin is through first hole (62A) of described control lever (62) be connected to described oneThe second hole (76A) in the projection (78A) of individual lens element (66A), wherein said the first hole (62A),Described the second hole (76A) and described the second pin align along first axle (X2);
Wherein said another lens element (66B) is pivotally connected to described control by the 3rd pinBar (62), described the 3rd pin is through the 3rd hole (62B) of described control lever (62) with described in being connected toThe 4th hole (76B) in the projection (78B) of another lens element (66B), the wherein said the 3rdHole (62B), described the 4th hole (76B) and described the 3rd pin align along the second axis (X3);
Wherein said the first medial axis (X1), first axle (X2) and the second axis (X3) and instituteState optical axis (12A, 12B) substantially parallel; And
Wherein said rotatable element is substantially circular, and can be about the 4th pin (61) around with describedThe second central axis (X4) rotation that optical axis (12A, 12B) is substantially parallel, and wherein said glasses(1) user can contact described rotatable element, for manually rotating described rotatable element.
2. glasses according to claim 1, is characterized in that described control lever is connected to combined lensThe outward flange of each lens element.
3. glasses according to claim 1, is characterized in that described rotatable element (60A, 60B)Substantially be configured as wheel, the edge of wherein said wheel and the edge join of at least one lens element.
4. glasses according to claim 1, is characterized in that described rotatable element (60A, 60B)Comprise gear, this gear and at least one lens element have the edge join of respective teeth.
5. glasses according to claim 1, is characterized in that described the second central axis (X4)Be connected to pivotly the framework of described glasses.
6. glasses according to claim 1, is characterized in that described rotatable element has at least theA part (61A) and Part II (61B), wherein said Part I (61A) and described eyeglassElement engages, and described Part II (61B) has the part of adjusting (70B), described adjusting part (70B)For manual adjustments described in combined lens one adjacent with the edge of described framework.
7. glasses according to claim 1, is characterized in that described rotatable element is by described glassesDescribed framework surround at least in part.
8. glasses according to claim 1, is characterized in that the described pivotable of each combined lensPart is positioned in the feather edge place of the described framework of described combined lens below.
9. glasses according to claim 1, it is characterized in that described control lever therein the heart about instituteStating a fixing point in framework can pivotable, and in its each end adjacent and described two lens elements companyConnect.
10. glasses according to claim 1, is characterized in that at least one pin (3) is set upIn the framework of described glasses around described two lens elements, for supporting and guide described lens elementTransverse shifting.
11. glasses according to claim 1, is characterized in that each combined lens comprises at least oneGuide rail (36,38), this at least one guide rail (36,38) is by described two lens elementsLink together and guide its transverse shifting.
12. glasses according to claim 11, is characterized in that described guide rail (36,38)At least partly by a carrying of described lens element, and there is channel cross-section (28), this passageCross section (28) receives the complementary projection (32) of being carried by another lens element.
13. glasses according to claim 1, is characterized in that described governor motion can be blocked to joinPut and stop, to prevent from by mistake changing lens position.
14. glasses according to claim 13, stop described in it is characterized in that configuration comprises and is positioned at instituteState the interlocking tooth on framework.
15. glasses according to claim 1, is characterized in that described lens element has to abutThe flat surfaces that relation is facing each other.
16. glasses according to claim 1, it is characterized in that described lens element by liquid orThe film of gel separates.
17. glasses according to claim 16, is characterized in that separating the liquid of described lens elementOr gel comprises high viscosity liquid or gel.
18. glasses according to claim 16, it is characterized in that separating described lens element described inLiquid or gel provide stick-slip effect, are not regulated unintentionally with the position that keeps described lens element.
19. glasses according to claim 16, is characterized in that separating the lens element of described eyeglassLiquid or gel be suitable for reducing the light by the gap between described lens element and described lens elementThe change of refractive index.
20. glasses according to claim 1, is characterized in that described eyeglass is Merlon.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1118986.7A GB2498171A (en) | 2011-11-03 | 2011-11-03 | Spectacles with laterally adjustable dual lenses to vary focal length |
| GB1118986.7 | 2011-11-03 | ||
| PCT/EP2012/071793 WO2013064679A2 (en) | 2011-11-03 | 2012-11-05 | Adjustable spectacles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103907047A CN103907047A (en) | 2014-07-02 |
| CN103907047B true CN103907047B (en) | 2016-05-25 |
Family
ID=45375743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201280054051.1A Expired - Fee Related CN103907047B (en) | 2011-11-03 | 2012-11-05 | Adjustable cheater |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6038943B2 (en) |
| KR (1) | KR20140084332A (en) |
| CN (1) | CN103907047B (en) |
| GB (2) | GB2498171A (en) |
| WO (1) | WO2013064679A2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529477A (en) * | 2014-08-22 | 2016-02-24 | Eyejusters Ltd | Adjustable power lens and eyeglasses frame |
| CN104570324A (en) * | 2014-12-29 | 2015-04-29 | 东莞市高朗实业有限公司 | Adjustable magnifying glasses and protective mask applying magnifying glass |
| WO2016122980A1 (en) * | 2015-01-26 | 2016-08-04 | Global Vision 2020, Inc. | Portable vision testing apparatus |
| DE102015219482B4 (en) * | 2015-10-08 | 2017-07-13 | Carl Zeiss Vision International Gmbh | Spectacles with a spectacle lens with a movable lens segment |
| CN105395343B (en) * | 2015-12-17 | 2021-05-04 | 江苏博视源视觉科学研究院有限公司 | Visual accommodation intervention machine and visual training method |
| GB201603149D0 (en) | 2016-02-22 | 2016-04-06 | Adlens Ltd | Improvements in or relating to glasses with selectively adjustable optical power lenses |
| CN106890068A (en) * | 2017-04-13 | 2017-06-27 | 东莞市金赛特智能科技有限公司 | A kind of ciliary muscle tempers formula Lens assembly, intelligent glasses and its control method |
| DE102019105125A1 (en) * | 2019-02-28 | 2020-09-03 | Carl Zeiss Jena Gmbh | Optical assembly with guided, movable optical elements and method for guided movement of a first optical element and a second optical element |
| CN115356854B (en) * | 2022-10-19 | 2023-01-20 | 歌尔股份有限公司 | Intelligent glasses |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995295A (en) * | 1975-08-28 | 1976-11-30 | Polaroid Corporation | Electro-mechanical shutter system having mechanical latch |
| US4312582A (en) * | 1981-03-03 | 1982-01-26 | Polaroid Corporation | Exposure control and focusing apparatus for use in a photographic camera |
| GB2136977A (en) * | 1983-03-21 | 1984-09-26 | Haking W Ets Ltd | Electronic shutter mechanisms for still cameras |
| EP0578833A1 (en) * | 1992-02-03 | 1994-01-19 | Seiko Epson Corporation | Variable focus visual power correction apparatus |
| CN1925813A (en) * | 2004-03-03 | 2007-03-07 | 阿库伦斯国际有限公司 | Two optical elements which, in combination, form a lens of variable optical power for application as an intraocular lens |
| CN101133354A (en) * | 2005-02-02 | 2008-02-27 | 斯蒂奇庭好视力公司 | Glasses |
| CN101142508A (en) * | 2005-03-17 | 2008-03-12 | 斯替克庭护眼基金会 | Combined lens and spectacles provided with at least one such combined lens |
| GB2477264A (en) * | 2010-01-18 | 2011-08-03 | Gici Labs Llp | Eyeglasses and means for their adjustment |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3507565A (en) | 1967-02-21 | 1970-04-21 | Optical Res & Dev Corp | Variable-power lens and system |
| US3617116A (en) | 1969-01-29 | 1971-11-02 | American Optical Corp | Method for producing a unitary composite ophthalmic lens |
| JPH02296212A (en) * | 1989-05-11 | 1990-12-06 | Toyo Medical Kk | Variable focusing system spectacles |
| US7325922B2 (en) * | 2005-03-21 | 2008-02-05 | Quexta, Inc | Adjustable focus eyeglasses |
| US20100165288A1 (en) * | 2008-12-29 | 2010-07-01 | Youngtack Shim | Lens assemblies and methods |
| US20110032477A1 (en) * | 2009-08-10 | 2011-02-10 | Roger Vahram Ohanesian | Variable Prism Eyeglasses and Method of Making Same |
-
2011
- 2011-11-03 GB GB1118986.7A patent/GB2498171A/en not_active Withdrawn
-
2012
- 2012-11-05 CN CN201280054051.1A patent/CN103907047B/en not_active Expired - Fee Related
- 2012-11-05 GB GB1406869.6A patent/GB2509456B/en not_active Expired - Fee Related
- 2012-11-05 WO PCT/EP2012/071793 patent/WO2013064679A2/en active Application Filing
- 2012-11-05 KR KR1020147015160A patent/KR20140084332A/en not_active Application Discontinuation
- 2012-11-05 JP JP2014539354A patent/JP6038943B2/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3995295A (en) * | 1975-08-28 | 1976-11-30 | Polaroid Corporation | Electro-mechanical shutter system having mechanical latch |
| US4312582A (en) * | 1981-03-03 | 1982-01-26 | Polaroid Corporation | Exposure control and focusing apparatus for use in a photographic camera |
| GB2136977A (en) * | 1983-03-21 | 1984-09-26 | Haking W Ets Ltd | Electronic shutter mechanisms for still cameras |
| EP0578833A1 (en) * | 1992-02-03 | 1994-01-19 | Seiko Epson Corporation | Variable focus visual power correction apparatus |
| CN1925813A (en) * | 2004-03-03 | 2007-03-07 | 阿库伦斯国际有限公司 | Two optical elements which, in combination, form a lens of variable optical power for application as an intraocular lens |
| CN101133354A (en) * | 2005-02-02 | 2008-02-27 | 斯蒂奇庭好视力公司 | Glasses |
| CN101142508A (en) * | 2005-03-17 | 2008-03-12 | 斯替克庭护眼基金会 | Combined lens and spectacles provided with at least one such combined lens |
| GB2477264A (en) * | 2010-01-18 | 2011-08-03 | Gici Labs Llp | Eyeglasses and means for their adjustment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103907047A (en) | 2014-07-02 |
| GB2509456B (en) | 2016-01-13 |
| WO2013064679A2 (en) | 2013-05-10 |
| WO2013064679A3 (en) | 2013-07-11 |
| GB2498171A (en) | 2013-07-10 |
| KR20140084332A (en) | 2014-07-04 |
| JP2014532900A (en) | 2014-12-08 |
| JP6038943B2 (en) | 2016-12-07 |
| GB2509456A (en) | 2014-07-02 |
| GB201406869D0 (en) | 2014-05-28 |
| GB201118986D0 (en) | 2011-12-14 |
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