WO2023149366A1 - 双眼ルーペ - Google Patents
双眼ルーペ Download PDFInfo
- Publication number
- WO2023149366A1 WO2023149366A1 PCT/JP2023/002595 JP2023002595W WO2023149366A1 WO 2023149366 A1 WO2023149366 A1 WO 2023149366A1 JP 2023002595 W JP2023002595 W JP 2023002595W WO 2023149366 A1 WO2023149366 A1 WO 2023149366A1
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- WO
- WIPO (PCT)
- Prior art keywords
- loupe
- holder
- magnifying glass
- binocular
- lens
- 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.)
- Ceased
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Classifications
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- 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
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- 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
- G02C7/086—Auxiliary lenses located directly on a main spectacle lens or in the immediate vicinity of main spectacles
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- 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
- G02C7/088—Lens systems mounted to spectacles
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- 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
- G02C9/04—Attaching auxiliary optical parts by fitting over or clamping on
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- 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
Definitions
- the present invention relates to a binocular magnifying glass used for medical procedures and precision work.
- Binocular magnifiers have long been widely used in various fields such as medicine, precision work, and jewelry processing as a means of magnifying and visualizing local observation targets at hand. In these fields, high precision is required for detailed manual operations, and binocular magnifiers are expected to have bright, clear image quality in addition to excellent resolution, wide field of view, and focal length. It is rare.
- binocular loupes used in the medical field are related to human health and life, so functions such as proper vision correction and astigmatism correction are required for binocular loupes according to the eyesight of the operator. .
- the human visual acuity constantly changes depending on the physical condition and the degree of fatigue, and even on the same day, it changes in the morning and in the afternoon.
- the surgical operation was performed by appropriately selecting and using binocular loupes with inappropriate visual acuity.
- binocular magnifiers are prepared in advance with a plurality of types of focus adjustment units having different focal lengths, and one of them can be selected and detachably attached to the eyepiece. (See, for example, Patent Document 1).
- FIG. 9 shows a first prior art example of a binocular loupe of the type described in Patent Document 1, in which the loupe body is fixedly attached to a carrier lens.
- the loupe main body 3 incorporates a magnifying optical system in which the image of the object to be observed is adjusted to a predetermined magnification, for example, 2x or 3x. , and a cylinder 2c in which an objective lens having a large-diameter portion is arranged via an inclined portion 2b whose outer diameter gradually increases.
- a magnetic ring 6 that is attracted to a magnet is attached to the rear end of the eyepiece tube 2a.
- the magnifier main body 3 incorporates a mechanism for moving the lens in the front-rear direction, it becomes possible to adjust the focus.
- a magnetic lens holding part 12 surrounds the focus adjustment lens 11 so that the circular focus adjustment lens 11 is fitted.
- This focusing lens 11 is used in conjunction with the loupe main bodies 3 as needed to correct the visual acuity when the user of the binocular loupe magnifies and observes an object with the left and right loupe main bodies 3.
- the lens can be used not only for correcting short distances, but also for correcting astigmatism and the like.
- a focus adjustment ring (not shown) for adjusting the focus adjustment height may be provided inside the focus adjustment lens 11 .
- the adjustment of vision can be ensured by using the focusing lens 11 when the vision (myopia or hyperopia) fluctuates during the operator's treatment. be.
- the focusing lens 11 is configured to be detachable from the eyepiece end side of the loupe body 3 .
- the loupe body 3 is fixedly attached to the carrier lens 4, when changing the magnification, it is necessary to replace the binocular loop itself including the spectacle frame with another binocular loupe. there were.
- binocular loupes since the required magnification differs depending on the area to be treated, there are binocular loupes of the type in which several types of binocular loupes are prepared and the optimal magnification is selected and attached each time. known (see, for example, Patent Literature 2).
- FIG. 10 shows a binocular magnifier of the type described in Patent Document 2, for example, in which a magnifier body to be used is selected each time from among several types of binocular magnifier bodies prepared in advance, and detachable from a carrier lens.
- 2 shows an example of a second prior art of the wearing type.
- FIG. 10 is an example of a second conventional technique in which a carrier lens 4 is attached with a magnifying glass holder 9 for detachably receiving a magnifying glass body 3 .
- a loupe holder 9 is attached to the carrier lens 4 of the spectacle frame 10, and one loupe body 3 selected from a plurality of types of loupe bodies prepared in advance is detachably attached to the loupe holder 9. is configured to
- the magnifying glass main body 3 includes a magnifying glass holder 9 fixed to a carrier lens 4, a ring 6, and a magnet ring 5 having a plurality of concave portions 8 on the peripheral edge of the side surface of the magnifying glass main body. It is detachably attached via
- the magnet ring 5 is composed of two semi-circular rings 5a and 5b that are magnetically coupled together, and engages the magnifying glass holder 8 via the ring 6 for reasons such as ease of manufacture. are doing.
- the magnifying glass main body 3 is provided with a convex magnetic protrusion 7 that engages with a concave portion 8 formed on the magnet ring 5 on the eyepiece side peripheral edge of the magnifying glass main body 3 . , are formed to engage with each other.
- a plurality of types of focus adjustment units having different focal lengths are prepared in advance, and one of them is selected to be detachably mountable.
- conventional binocular magnifiers in which a plurality of adjustable binocular loupes are prepared and the optimum one is selected from among them, the structure of the binocular loupe main body and the mounting portion (eyepiece portion) of the loupe holder that supports it is complicated. Since there are many parts in the attachment/detachment mechanism, the glass diameter of the eyepiece lens is reduced accordingly, and as a result, the operator's field of view (field of view) is narrowed.
- the present invention has been made in view of the above problems, and provides a binocular loupe that can be easily replaced with a loupe main body and a focus adjustment unit that incorporate an optical system for magnifying and viewing an observation object, and a desired magnification. To provide a bright, clear and high-quality binocular magnifying glass that widens the field of vision of a practitioner.
- the present invention is a binocular loupe for magnifying and viewing an observation object at hand, comprising a pair of left and right loupe bodies each containing an optical system, and the pair of loupe bodies facing the observation object. and a cylindrical loupe holder attached to the carrier lens, inserted from the eyepiece side of the pair of loupe bodies, and detachably receiving the loupe bodies.
- the contact surfaces of the cylindrical magnifying glass holder and the magnifying glass main body which are in close contact with the cylindrical inner surface of the magnifying glass holder, and the eyepiece end side surfaces are formed of a plastic magnet formed by mixing magnetic powder into a plastic material, and the magnifying glass main body
- the loupe holder is held in close contact with the cylindrical inner surface of the loupe holder by the contact surface on the cylindrical inner surface and the magnetic attraction force on the eyepiece end side surface.
- the loupe holder and at least the contact surface of the loupe main body that contacts the loupe holder are formed of a plastic magnet formed by mixing magnetic powder into a plastic material. Since the diameter of the eyepiece lens at the eyepiece end of the loupe body can be increased, it is possible to widen the operator's field of view and provide a bright, clear, high-quality binocular loupe.
- the loupe body is further mounted to the loupe holder via a ring with projections so as to more securely lock the loupe body in the loupe holder.
- the magnifying glass holder has hook-shaped groove engaging portions that engage with the protrusions, and is formed so that the magnifying glass main body does not separate from the magnifying glass holder.
- the thickness of the cylindrical magnifying glass holder can be made even thinner, so the glass diameter of the eyepiece can be increased accordingly, and as a result, the operator's field of view (field of view) is widened.
- the ring with projections is formed of a plastic magnet that is molded by mixing magnetic powder into a plastic material, and strengthens the attraction and mounting force of the magnifying glass main body and the magnifying glass holder.
- each of the loupe holder and the loupe body is made of an anisotropically magnetized material in which the crystal molecular arrangement of the magnetic powder is oriented in a certain direction, and each of the loupe bodies is arranged in a predetermined direction with respect to the loupe holder. It is characterized in that it is mounted in the rotational direction of
- the ring with projections is made of an anisotropically magnetized material in which the crystal molecules of the magnetic powder are oriented in a certain direction, so that the holding force of the loupe body in the loupe holder is increased. .
- the magnifying glass holder is fixed at a predetermined angle with respect to the surface of the magnifying glass holder so that the inserted magnifying glass body faces the observation target. This makes it possible for the practitioner to correct astigmatism.
- a plurality of types of loupe bodies of the present binocular loupe are prepared in advance with different magnifications and/or visual acuity adjustment distances depending on the optical system, and one of them is selected and attached to the loupe holder, or a predetermined range of magnifications is available. and/or the loupe body, which can be selectively set within the vision adjustment distance, may be selected and attached to the loupe holder.
- a plurality of types of the magnifier body having different magnifications by the optical system are prepared in advance, and one of them is selected and attached to the magnifier holder.
- One of the visual distance adjustment lenses provided is detachably fitted.
- the vision distance adjusting lens is held by a rim surrounding the lens, and the rim is made of ferrite magnetic material.
- the binocular loupe according to the present invention is a binocular loupe that can be easily replaced with a loupe main body and a focus adjustment unit that incorporates an optical system for magnifying and visually confirming an observation object and a desired magnification, unlike the binocular loupe of the prior art.
- a binocular magnifier that provides a wider field of view for the operator and a brighter and clearer image quality.
- FIG. 11 shows explanatory diagrams when one of the loupe bodies constituting the present binocular loupe is attached to the loupe holder on the carrier lens side
- FIG. 10 shows an explanatory view when the magnifying glass body is attached to the magnifying glass holder via the ring with projections.
- FIG. FIG. 2(a) and FIG. 2(b) correspond to the configurations, respectively, and show explanatory diagrams when one of the loupe bodies constituting the present binocular loupe is attached to the loupe holder on the carrier lens side.
- FIG. 10B shows an explanatory diagram when the main body is directly attached to the loupe holder, FIG.
- FIG. 4 shows an example in which a window (notch) is provided to secure the operator's field of view when checking the operator's hand through the carrier lens.
- Fig. 3 shows an example of the present binocular loupe and a loupe body of multiple magnification and/or vision adjustment distances that can be attached to the carrier lens of the present binocular loupe;
- An example of the magnifying glass main body 3 in this binocular magnifying glass is shown, (a) is a side view of the magnifying glass main body 3, (b) is a front view of the magnifying glass main body 3 seen from the objective lens 3d side, and (c) is a A cross-sectional view is shown, respectively.
- FIG. 3 shows an example of the present binocular loupe and a loupe body of multiple magnification and/or vision adjustment distances that can be attached to the carrier lens of the present binocular loupe;
- An example of the magnifying glass main body 3 in this binocular magnifying glass is shown, (a) is a side view of
- FIG. 4 shows an explanatory diagram of a state in which a practitioner works while wearing the present binocular loupe.
- FIG. 10 is an explanatory diagram of a downward attachment angle when attaching the magnifying glass to the carrier lens;
- FIG. 10 is an explanatory diagram of inner attachment angles p and q when attaching the loupe body to the carrier lens;
- FIG. 1 is an explanatory diagram of a prior art, showing an example of a first prior art in which a loupe body is fixedly attached to a carrier lens;
- FIG. 10 is an explanatory diagram of a conventional technique, showing an example of a second conventional technique in which a loupe body is detachably attached to a loupe holder on the carrier lens side.
- FIG. 1 shows the overall configuration of a binocular loupe 100 according to one embodiment of the present invention.
- the binocular magnifying glass 100 includes a spectacle frame 10, a magnifying glass body 3 corresponding to the left and right eyes for enlarging an image of a work target, a magnifying glass holder 9 holding the magnifying glass main body 3, and a magnifying glass holder 9 for attaching the magnifying glass frame 10. and a carrier lens 4 which is a loupe holder.
- the loupe body 3 is prepared in advance in a plurality of types with different magnifications (for example, 3x, 4x, 5x) and/or visual acuity adjustment distances depending on the optical system.
- magnifications for example, 3x, 4x, 5x
- visual acuity adjustment distances depending on the optical system.
- One is selected and detachably attached to the loupe holder 9 .
- the visual acuity adjusting function may be such that one of a plurality of previously prepared visual acuity distance adjusting lenses is detachably fitted to the eyepiece side end of the loupe body 3 .
- the spectacle frame 10 has substantially the same structure as ordinary spectacles, and includes a rim 10a in which the carrier lens 4 is fitted, and a bridge 10c that connects the rim 10a with temples 10b that are worn over the ears of the observer. , and a nose pad 10d.
- a rust-resistant and flexible metal such as titanium, a synthetic resin, or the like is used.
- a shielding member 10e for protecting both sides of the wearer's face and a strap (not shown) for holding the binocular loupe while wearing it can be attached to the temple 10b as needed.
- the carrier lens 4 has an opening for supporting a magnifying glass holder 9 that holds the magnifying glass body 3 at both ends thereof. It is fixed in the
- the material constituting the carrier lens 4 does not necessarily have to be transparent, but it is preferably transparent in order to widen the field of view in the direction of the viewer's hand. may be used, but if vision correction is not required, simple transparent glass may be used.
- the material of the lens in this case is glass or plastic. Therefore, the carrier lens 4 has the function of a magnifying glass holder for supporting the magnifying glass body and, if necessary, the function of correcting vision.
- the loupe body 31 shown in FIG. The magnification can be set to three times (3X), four times (4X) or five times (5X) by rotating the tube on the objective lens side of the loupe body 3 as required during the procedure.
- FIG. 2 shows the binocular loupe 100 according to the present invention shown in FIG. indicates the state of
- FIG. 2(a) shows the case where the magnifying glass body 3 is directly attached to the magnifying glass holder 9, and FIG. shows the case where the loupe holder 9 is mounted.
- the magnifying glass holder 9 is fixed to the carrier lens 4 at a predetermined angle, and the magnifying glass main body 3 is inserted into this magnifying glass holder 9.
- the loupe main body 3 has a cylindrical body containing a plurality of optical lenses, a contact surface 3b that contacts the inner surface of the cylindrical magnifier holder 9 in close contact, and a contact surface 3a that comes into contact with the cylindrical tip surface of the magnifier holder 9. and an eyepiece end side surface 3c of the loupe body 3 are formed.
- FIG. 2(b) shows a case where the magnifying glass body 3 is attached to the magnifying glass holder 9 with a ring 12 with projections in close contact with the magnifying glass body sandwiched therebetween.
- the loupe holder 9 has a hook-shaped groove engaging portion 9b (see FIG. 3) that engages with the projection 12a provided on the ring 12 with projections, thereby allowing the magnifying body 3 to be, for example, It is possible to prevent the loupe main body 3 from easily coming off from the loupe holder 9 when the operator's finger, the lighting equipment in the treatment room, or the like touches the loupe main body 3 .
- the projection 12a provided on the projection-equipped ring 12 is shown as an example of a case where a plurality (for example, two or three) of projections 12a are provided. , it is possible to further strengthen the prevention of the magnifying glass main body 3 from coming off from the magnifying glass holder 9 .
- the magnifying glass body 3 is detachably attached directly to the magnifying glass holder 9 without the projection ring 12 interposed therebetween. However, it may be detachably attached to the loupe holder 9 via a ring (not shown) having no protrusion 12a.
- FIG. 3(a) shows a state in which the loupe body 3 shown in FIG. 2(a) is directly inserted into the magnifying glass holder 9
- FIG. 3(b) shows a state in which the loupe body 3 shown in FIG. It shows a state in which it is inserted into the loupe holder 9 with the attached ring 12 interposed therebetween.
- the protrusion 12a of the ring 12 with protrusions engages with the engaging portion 9b of the hook-shaped groove provided on the loupe holder 9 side, so that the loupe main body 3 is easily removed from the loupe holder 9.
- FIG. will not depart from
- 3c is formed of a plastic magnet formed by mixing magnetic powder into a plastic material. As a result, the magnifying glass main body 3 does not come off from the magnifying glass holder 9. - ⁇
- the thickness of the magnifying glass holder 9 obstructs the field of view of the carrier lens 4 when the operator views the operator's hand through the carrier lens 4 instead of through the loupe body 3.
- windows (notches) for securing the field of view may be provided at two locations on the left and right of the viewing direction and/or on the lower side of the viewing direction.
- this ring 12 with projections is also made of a plastic magnet formed by mixing magnetic powder into a plastic material. As a result, the magnifying glass main body 3 can be maintained attached to the magnifying glass holder 9 by a strong magnetic force.
- At least the contact portions 3a, 3b, and 3c of the magnifying glass holder 9 and the magnifying glass main body 3 with the magnifying glass holder 9 are made of an anisotropically magnetized material in which the crystal molecular arrangement of the magnetic powder is oriented in a certain direction. should be mounted on the loupe holder 9 in a predetermined rotational direction.
- the projection ring 12 is also made of an anisotropically magnetized material in which the crystal molecules of the magnetic powder are oriented in a certain direction, so that the holding force of the loupe body in the loupe holder is increased. is possible.
- the protrusion 12a of the ring 12 with protrusions formed of the plastic magnet material described above can be provided not only at one position but also at two or three positions.
- a plastic magnet is a product made by mixing magnetic powder into plastic and molding it, and it is possible to make a magnetic plastic member with a desired shape by mold sintering molding, press molding, injection molding, extrusion molding, etc. is. Also, by adding a small amount of rubber material, it is possible to make a member having elasticity.
- Magnetic materials can be made with various numerical values depending on the magnetic material to be mixed.
- neodymium bond material (Nd-Fe-B) contains neodymium, iron, and boron, and is a plastic magnet made by combining this with resin. It is possible, and usually isotropic, but it can also be radially, vertically, and multipolarly magnetized.
- the contact portion 3a between the loupe holder 9 in the binocular loupe 100 of the present invention and the loupe holder 9 in the loupe main body 3 is , 3b and 3c can be magnetized to desired magnetism (N pole, S pole) and strength of magnetic force.
- one of the loupe holder 9 and the loupe main body 3 in the binocular loupe 100 of the present invention is made of, for example, the above-described neodymium bond material plastic magnet, and the other is made of a general ferrite material or ferrite plastic magnet material. is also possible.
- Anisotropic magnetization of plastic magnets is one of the techniques for changing the characteristics and direction of magnetic force. It has radial anisotropy, polar anisotropy, etc., and is manufactured by orienting the magnetic field in a desired direction, for example, the vertical axis direction or the horizontal axis direction, by the magnetic field of a magnet in an injection molding machine or a mold during molding.
- FIG. 5 shows an example of the loupe main body 3.
- 5(a) is a side view of the loupe body 3
- FIG. 5(b) is a front view of the loupe body 3 seen from the objective lens 3d side
- FIG. 5(c) is a sectional view.
- the main body of the loupe is composed of a plurality of optical lenses and a plurality of mechanical parts in a cylindrical body along the optical axis between the objective lens 3d and the eyepiece lens 3e.
- the respective optical lenses and internal mechanisms are well known to those skilled in the art. Description of each component is omitted.
- a plurality of eyesight distance adjustment lenses 3f prepared in advance may be detachably fitted to the eyepiece side end of the loupe body 3.
- the vision distance adjusting lens 3f is preferably supported by a thin rim of ferrite magnetic material surrounding the lens.
- the magnifying glass holder 9 is fitted into an opening formed in the carrier lens 4 and fixed at a predetermined angle with respect to the surface of the carrier lens 4 so that the magnifying glass body 3 faces the focal point in the observation target direction.
- the attachment of the loupe holder 9 to the surface of the carrier lens 4 is determined by the downward attachment angle r and the inner attachment angle r with respect to the plane of the carrier lens 4 of the loupe body 3 when the loupe body 3 is attached to the loupe holder 9 . It is determined by the angles p, q and the interpupillary distance PD of the user of the binocular loupe.
- the binocular magnifier 100 is used to magnify and observe the observation target of the work operation point W at hand when working in a forward-leaning posture as shown in FIG. At this time, the user focuses the line of sight of both eyes on the observation object at the position of the hand through the left and right loupe bodies 3 .
- the downward mounting angle in this case will be described with reference to FIG. is a downward mounting angle for the wearer, and the angle ⁇ determined by the distance M from the work operation location W to the carrier lens 4 and the horizontal distance N perpendicular to the vertical line passing through the center of the carrier lens 4, and the wearer performing surgery of the carrier lens 4 at that time.
- the inner mounting angles p and q are such that the line of sight when the tips of the left and right loupe bodies 3 mounted on the loupe holder 9 are directed toward the work operation location W is aligned with the center O of the spectacle frame 1 and the work operation location W. It is the angle when the line L connecting W and the work operation point W intersects.
- the center O is the intersection of the center line of the user's nose and the line connecting the left and right pupils.
- the inner mounting angles p and q of the left and right magnifying bodies 3 can be obtained from the distance to the point W on the line L, respectively.
- openings for inserting the magnifying glass holder 9 are provided at positions corresponding to the pupils of both eyes in the left and right carrier lenses 4, and the magnifying glass holder 9 is adjusted to the lower mounting angle.
- the left loupe holder 9 is fixed with an adhesive or the like so as to protrude from the surface of the carrier lens 4 at the lower mounting angle r and the inner mounting angle q.
- the binocular magnifying glass 100 is used by attaching the loupe body 3 to the first and second attaching portions of the magnifying glass holder 9 and, if necessary, the focus adjusting portion (corresponding to reference numeral 11 in FIGS. 9 and 10). be.
- the binocular loupe 100 comprises a pair of left and right loupe main bodies 3 that incorporate an optical system, and a carrier lens 4 that supports the pair of loupe main bodies 3 in the visual field direction toward the observation target. and a cylindrical loupe holder 9 attached to the carrier lens 4 and detachably receiving the eyepiece side ends of the pair of loupe bodies 3 in an inserted state, wherein the loupe holder 9 and the pair of loupe bodies 3
- the eyepiece side member is formed of a plastic magnet formed by mixing magnetic powder into a plastic material.
- the magnifying glass body 3 is attached to the magnifying glass holder 9 via a ring 12 with projections having projections 12a.
- the main body 3 is formed so as not to separate from the magnifying glass holder 9. - ⁇
- the ring 12 with protrusions is formed of a plastic magnet molded by mixing magnetic powder into a plastic material.
- At least the magnifying glass holder 9 and the magnifying glass main body 3 are each made of an anisotropically magnetized material in which the crystal molecular arrangement of magnetic powder is oriented in a certain direction. It is characterized by being mounted in the direction of rotation.
- the contact surfaces of the loupe holder 9 and the loupe main body 3 that contacts the loupe holder 9 are formed of a plastic magnet formed by mixing magnetic powder into a plastic material. Since the diameter of the eyepiece lens at the eyepiece end of the main body 3 can be increased, it is possible to widen the operator's field of vision and provide a bright, clear, high-quality binocular loupe.
- Loupe main body 4 Carrier lens 9 Loupe holder 9b Engagement part 10 of Loupe holder Spectacle frame 12 Ring with projection 12a Projection 100 Binocular loupe
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Abstract
Description
4 キャリアレンズ
9 ルーペホルダ
9b ルーペホルダの係合部
10 眼鏡フレーム
12 突起付きリング
12a 突起部
100 双眼ルーペ
Claims (9)
- 手元の観察対象を拡大して観るための双眼ルーペであって、
光学系を内蔵する左右一対のルーペ本体と、
前記一対のルーペ本体を観察対象に向けた視野方向に支持するキャリアレンズを保持する眼鏡フレームと、
前記キャリアレンズに取り付けられ、前記一対のルーペ本体の接眼側から挿入し、前記ルーペ本体を着脱可能に受け入れる筒状のルーペホルダと、を備え、
前記筒状のルーペホルダと前記ルーペ本体における前記ルーペホルダの筒状内面に密接状態に接する接触面及び接眼端側面は、プラスチック素材に磁性粉末を混ぜて成形されたプラスティックマグネットにより形成され、
前記ルーペ本体は、前記筒状内面における接触面と前記接眼端側面における磁気吸引力により前記ルーペホルダの筒内面に密接状態に接して係止される、ことを特徴とする双眼ルーペ。 - 前記ルーペ本体は、さらに、突起部を有する突起付きリングを介して前記ルーペホルダに装着され、前記ルーペホルダは、前記突起部に係合する鈎型溝の係合部を有し、
前記ルーペ本体が前記ルーペホルダから離脱しないように形成された、ことを特徴とする請求項1に記載の双眼ルーペ。 - 前記突起付きリングは、プラスチック素材に磁性粉末を混ぜて成形されたプラスティックマグネットにより形成された、ことを特徴とする請求項2に記載の双眼ルーペ。
- 少なくとも前記ルーペホルダ及び前記ルーペ本体の夫々は、前記磁性粉末の結晶分子配列が一定方向に配向された異方性着磁素材により形成され、前記ルーペ本体の夫々は、前記ルーペホルダに対して所定の回転方向に装着される、ことを特徴とする請求項1又は3に記載の双眼ルーペ。
- 前記突起付きリングは、前記磁性粉末の結晶分子配列が一定方向に配向された異方性着磁素材により形成され、前記ルーペホルダにおける前記ルーペ本体の保持力をより強くする、ことを特徴とする請求項3に記載の双眼ルーペ。
- 前記ルーペホルダは、挿入された前記ルーペ本体が観察対象へ向くように、前記ルーペホルダの面に対して所定の角度で固定されていることを特徴とする請求項1乃至5の何れかの項に記載の双眼ルーペ。
- 前記ルーペ本体は、前記光学系による倍率及び/又は視力調整距離が異なる複数種類が予め準備され、その中の一つが選択されて前記ルーペホルダに取り付けられか、又は所定範囲の倍率及び/又は視力調整距離内において選択設定可能な前記ルーペ本体の一つが選択されて前記ルーペホルダに取り付けられる、ことを特徴とする請求項6に記載の双眼ルーペ。
- 前記ルーペ本体は、前記光学系による倍率が異なる複数種類が予め準備され、その中の一つが選択されて前記ルーペホルダに取り付けられ、
前記ルーペ本体の前記接眼端側面には、予め複数準備された視力距離調整レンズの一つが着脱可能に嵌め込まれる、ことを特徴とする請求項6に記載の双眼ルーペ。 - 前記視力距離調整レンズは、レンズの周囲を囲むリムにより保持され、当該リムはフェライト磁性体により形成されている、ことを特徴とする請求項8に記載の双眼ルーペ。
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| US18/714,205 US20250298261A1 (en) | 2022-02-04 | 2023-01-27 | Binocular loupes |
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| JP2022016299A JP7169472B1 (ja) | 2022-02-04 | 2022-02-04 | 双眼ルーペ |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187705A (ja) * | 1992-01-07 | 1993-07-27 | Inoac Corp | マグネット式自動開閉ダクト |
| JP2003149606A (ja) * | 2001-11-08 | 2003-05-21 | Foo System Kk | 磁着式前掛け眼鏡 |
| WO2007057987A1 (ja) * | 2005-11-16 | 2007-05-24 | Acp Japan Co., Ltd. | 双眼ルーペ |
| WO2017002968A1 (ja) * | 2015-07-02 | 2017-01-05 | きく子 米澤 | 双眼ルーペ |
| JP2018011433A (ja) * | 2016-07-13 | 2018-01-18 | 株式会社日本製鋼所 | プラスチックマグネット射出成形機用の磁場発生装置 |
| JP2019008273A (ja) * | 2017-03-28 | 2019-01-17 | カー コーポレイション | 取替可能ルーペの回転整列 |
| JP2019144297A (ja) * | 2018-02-16 | 2019-08-29 | きく子 米澤 | 双眼ルーペ |
-
2022
- 2022-02-04 JP JP2022016299A patent/JP7169472B1/ja active Active
-
2023
- 2023-01-27 WO PCT/JP2023/002595 patent/WO2023149366A1/ja not_active Ceased
- 2023-01-27 US US18/714,205 patent/US20250298261A1/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05187705A (ja) * | 1992-01-07 | 1993-07-27 | Inoac Corp | マグネット式自動開閉ダクト |
| JP2003149606A (ja) * | 2001-11-08 | 2003-05-21 | Foo System Kk | 磁着式前掛け眼鏡 |
| WO2007057987A1 (ja) * | 2005-11-16 | 2007-05-24 | Acp Japan Co., Ltd. | 双眼ルーペ |
| WO2017002968A1 (ja) * | 2015-07-02 | 2017-01-05 | きく子 米澤 | 双眼ルーペ |
| JP2018011433A (ja) * | 2016-07-13 | 2018-01-18 | 株式会社日本製鋼所 | プラスチックマグネット射出成形機用の磁場発生装置 |
| JP2019008273A (ja) * | 2017-03-28 | 2019-01-17 | カー コーポレイション | 取替可能ルーペの回転整列 |
| JP2019144297A (ja) * | 2018-02-16 | 2019-08-29 | きく子 米澤 | 双眼ルーペ |
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| JP7169472B1 (ja) | 2022-11-10 |
| US20250298261A1 (en) | 2025-09-25 |
| JP2023114136A (ja) | 2023-08-17 |
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