TW200416423A - A screen for spectacles, and pieces for forming such a screen - Google Patents

Abstract

The present invention relates to a fastener piece for fastening spectacles to a screen provided with at least one through orifice, said fastener piece having a portion or pin suitable for extending through the orifice in the screen, said fastener piece being characterized in that it has at least one bearing face or portion suitable for sliding over the edge of a lens or of the frame of the spectacles.

Description

200416423 (1) Description of the invention: [Technical field to which the invention belongs] The present invention relates to a detachable sight glass for eyeglasses, a hook bridge for fastening a sight glass to the eyeglasses, and a method for forming a lens for eyeglasses. One of the detachable binoculars, a lens group bridge. The technical field of the present invention is the field of eyeglass manufacturing. [Prior art] The present invention is particularly applicable to a device for fastening a monocular or binocular sight or lens to a pair of spectacles. The device includes a deformable or elastic stud bolt or pin 'designed to extend A passage or a straight through hole provided through the sight glass or the fixed lens is further included, and further includes a fixing clip adapted to be fixed to an edge of an eyeglass lens or an edge of an eyeglass frame. The WO 97/19384 patent application describes various embodiments of such studs and various embodiments of such a retaining clip; the document also describes a binocular with a long curved bridge, which is used as The two sight glasses are combined to form a binocular sight; a fixed clip is integrated with each end of the bridge member or fixed to each end of the bridge member; in some embodiments, the fastening clip has two Adjusting pieces each having a through hole; the adjusting piece and the hole are opposed to each other. It is difficult to fix each fixing clip to the sight glass by a stud bolt, because the bridge members are small in size; but when the stud bolt and the clip form a single bridge member, this defect can be greatly reduced . Patent application WO 98/39681 describes a hook for fixing a sight glass to an eye glass. The Jun includes such a stud or pin and such a clip or

O: \ 88 \ 88656.DOC -6-200416423 nuclear hoop ’and compensated for this shortcoming. SUMMARY OF THE INVENTION One of the objectives of this month is to provide a hook for further improvement. Another object of the present invention is to provide-improved binoculars for spectacles, and specially designed-tools that allow one eye to one eye to enable them to be individually manufactured and 'made in the same shape and size as their counterparts. Determine the shape and size of the glasses to match a monocular or a binocular. The purpose of X-Month is also to at least partially compensate for the defects of known sight glass fixing bridges and other known sight glasses. Also in a first aspect of the present invention, the present invention provides a knot or knot bridge for fixing a sight glass to an eyeglass composed of a lens and a frame in an easy-to-release manner, the sight glass Has a through hole; the knot has a pin that can extend through a corresponding hole in the sight glass, and is integrated with a lock or disc pin and can be fixed on one of the edges of the lens and / or the frame Part or clip; the knot also has one or more support parts, preferably one or more support surface parts', and in particular one or more support surfaces, which can be along the edge of a lens of the spectacles And / or the edge of the frame is slid so that the sight glass can be fixed to the spectacles, and by fixing the knot, in particular, the part or the clip is sufficiently elastically deformed to achieve the fixation, such deformation does not need to be borrowed It can be generated by the user directly operating the knot with hands or fingers; by moving and pushing the sight glass toward the lens of the glasses until the lens or frame is embedded in the groove or recess of the knot, the invention can Make the clip embedded in the A lens or the periphery of the frame becomes possible. A sight glass equipped with such a knot is better than the knot described in wo 98/39681

O: \ 88 \ 88656.DOC 200416423 One of the invention's monocular sight glass preferably has three easy to be fixed to a pair of glasses • Two knots along one side of the glasses and one terminal of the glasses and the glasses are fixed to the The edge of the side mirror is arranged so that it can be embedded near a pair of bridges. At the same time, the third knot is arranged along the bottom edge of the side mirror, and is preferably arranged off-center in the pair of glasses. Flats on both sides of the temple's forehead "or near each side arm; with a sight glass having such a structure, the notches in the two upper knots of the sight glass can be arranged around the edge of the frame or lens of the glasses At the same time, the sight glass is slightly inclined and fixed relative to the lens. By subsequently rotating the sight glass relative to the lens, and through its sliding support surface, it is possible to bring the bottom end member into contact with the bottom portion of the edge of the spectacle lens, and the rotation motion may cause the sliding support surface. Traverse to the other side of the lens edge, deform the bottom end piece until the edge of the lens is embedded in the groove or notch of the bottom end piece (see Figures 5-7). The knot structure of the present invention also makes it possible to fix the sight glass to the lens, by placing the sight glass against the lens, by arranging the three sliding support surfaces of the three knots and the edge of the spectacle frame or the Each area of the lens edge of the glasses is in contact, and then the sight glass is moved by pushing it toward the lens until the three notches are embedded in the edge of the frame or the edge of the lens. The spectacle wearer can do it with one hand. The sliding bearing surface or surface portion may be curved, however, in a preferred embodiment, it is substantially flat. In order to make the knot easier to slide against the spectacle frame or the lens, the X / moon supporting surface or surface portion is inclined with respect to the longitudinal axis of the pin, and the inclination angle is in the range of 15 to 75 degrees, and The best angle is between 30 and 60 degrees

O: \ 88 \ 88656.DOC -8-200416423, and most preferably in the range of about 40 degrees to 50 degrees. When the bearing surface is bent, 'the angle may naturally change from one part of the surface to the other. The clip-shaped portion used as the knot to be fixed to the frame or the edge of the lens has a matching frame or the A slot or notch in the width of the lens thickness; this width is generally in the range of about 1 millimeter (mm) to 5 mm. In another embodiment of the present invention, the present invention provides a knot piece for fixing a sight glass to glasses, the knot piece has a lens suitable for fixing to the edge of the lens and / or frame of the glasses. ; A shaped portion or clip that defines a slot or notch with an end wall and an opening; in order to more reliably fix the sight glass to the proper position of the eyepiece lens, the width of the opening is narrower, that is, It is smaller than the maximum width of the groove or notch. In a preferred embodiment, the groove or notch is formed by a flat first surface near the pin, by forming an end wall of the groove and for covering, the mirror = edge or the lens edge- Partial—a flat second surface is now defined by a third surface located near the inclined sliding support surface; the first and second surfaces are generally perpendicular, and the third surface can be a flat surface or a curved surface, which Inclined with respect to the first surface so that it cooperates with the first surface and the two surfaces together and common—secret bucket,, a door, and μ—or a notch, which groove or notch sweats to its end wall again and / Or taper towards a narrow opening. In another aspect of the present invention, the present invention provides a detachable # 卩 地 FIX 一 # @ σ 仵 木桥 件 for Zhu Guxue sight glass to a pair of glasses, wherein the knot piece material can extend through a Bian Xi Mo Yu Putian * 1 Thousands of wooden bridges pass through the deformable long central part of the periphery of the provincial sight glass and -conical protrusion, the conical protrusion system = tooth two

O: \ 88 \ 88656.DOC -9-200416423 Appears in the form of a barb and extends to the free end of the long center part of the deformation. The protrusion is preferably first defined by the sliding bearing surface portion, and then by the groove or The third plane of the notch is defined; thus the central portion can be fixed on the edge of the lens. In another aspect of the present invention, the present invention provides a knot piece for fixing a sight glass to the glasses, wherein the knot piece has a pin with three abutments, that is, one of an extendable and a sight glass The first abutment that is in contact with the rear, a second abutment that can extend in front of one of the same sight glass, and a third abutment that can be extended to connect two monocular sight glasses for a binocular sight. One of the connecting bridges is partly in contact with the other. In another aspect of the present invention, the present invention provides a connecting bridge, which connects two monoculars together to form a binocular, the binocular is suitable for fixing a pair of glasses; the connecting bridge Having a long central portion extending along a longitudinal axis and two preferably the same clips, the two clips being respectively located at the longitudinal ends of the long central portion, and in particular the two clips and the long central portion The respective longitudinal ends are integrated; each clip has two adjustment pieces opposite to each other and substantially parallel to each other, wherein each adjustment piece has a -shape-through-hole σ for mounting-sight glass-junction piece; the The connecting bridge is symmetrical to the front-back midplane, and the plane normal of each __ adjustment piece is inclined with respect to the material bridge-shaped facing surface; this makes it possible to connect two monocular sight glasses with a specific amount of curvature. Also, the peers can keep their respective optical axes substantially parallel to each other. In another aspect of the present invention, the present invention provides-for connecting two monoculars at-from-a connecting bridge piece, wherein the connecting bridge piece has an edge

O: \ 88 \ 88656.DOC • 10-200416423 Two clips of the long center portion extending along a longitudinal axis and the other J longitudinally located at the long center portion; each clip has two opposite and substantially flat to each other Each of the adjustment pieces has a through hole for mounting a pin and a pin of a sight glass; each clip has a first adjustment piece with a k-th opening w The aperture has a first diameter, and one of the second adjustment pieces of each clip has a second through-hole, the second through-hole has a second diameter larger than the first diameter; each clip has its first hole, Roughly aligned with its second hole; therefore a first pin portion having a first size = can extend through the first hole, while a pin portion having a first size larger than the first size can extend through the The second hole; via a knot with a cylindrical pin, the circle having a plurality of (specifically two) protruding abutments along the pin, which are adjacent to each other, which securely fixes a sight glass It is easier to get to the clip of the connecting bridge. The knots or hooks of this month are preferably directly or otherwise obtained by injecting a plastic material into a multi-cavity mold to obtain 'the purpose is to make a set of knots' while the connecting bridge member is directly or Made otherwise by cutting, drilling and folding-sheet metal. In an embodiment, the connecting bridge for connecting the two-view * mirrors can be made of a steel plate having a thickness of less than or equal to ㈣ meters and generally not less than 10-4 meters. Durable, lightweight and attractive looking binoculars. In particular, it can be used by virtue of its elasticity—single-connecting bridges to form binoculars with matching size and shape of several different types of eyeglass frames. The connecting bridge is conveniently made of a semi-rigid or metallic material with a certain amount of elasticity and a shape memory alloy.

O: \ 88 \ 88656.DOC -11-200416423: The connecting bridge member is preferably made of a shape memory compound such as rhenium titanium. Bayern Metal shall perform 2 for the purpose of removing the binocular i: on the spectacle frame or from the spectacle frame ^, the cylinder, if it is deformed in any way, 2% of the connecting bridges It is easier to put the flexible and professional memory mirror in place and restore it to its original shape. In other aspects of light, the present invention provides a detachable advance sight glass for glasses, wherein the sight glass cooperates with the knot or a fixing hook, and the present invention provides such a connecting bridge member for connecting two binocular sight glasses in -And the invention also provides a kit for constructing a bridge piece for such a sight glass; and the x invention is particularly suitable for forming a filter sight glass. / By reading the following descriptions shown in the accompanying drawings, and by non-limiting examples, the "best practices" column of the present invention, we will understand other advantages and features of the present invention. [Embodiment] Referring to FIG. 1, the pair of spectacles includes two lenses 3 framed by a frame 4 and two side supports 2 hinged to the frame 4. The binocular sight 5 includes two monocular lenses or sight glasses 6 connected together by a connecting bridge member 7, each sight has three knots or hooks 8 for fixing the detachable sight glasses 5 to the On the frame 4 of the pair of spectacles 1; as shown in FIG. 丨, for each sight glass 6, two knots 8 are only used to fix the sight glass to the glasses, and one is at the top and inside of the sight glass 6 (or One of the knots 8 is also used to fix the sight glass to the end of the connecting bridge 7. As shown in FIG. 2 to FIG. 7 and FIG. 13, in particular, the knot 8 includes a fixed O: \ 88 \ 88656.DOC • 12- 200416423 to the pin 9 on the three parts 10, 11 and 12, among which Clip and used to fit over the edge of a pair of spectacles, magpie-grooves or notches 16. The edge of the frame of the mirror or-the shape of the spectacle lens is easy: the pin 9 made of plastic material is-the cylindrical portion 90, 92 ends can extend a longitudinal axis 98 and has a tapered tip 91, the tip It is easy to insert the pin into an aperture provided by the sight glass. 〇Hai's cylindrical part 9 〇, 9 2 and ancient · + workers from the point 9 plant 95, 1 and two into two abutments of the two ring-shaped protrusions 88: have-in the clip of the lock 9 and the Part H) is formed between-the second surface 93 ', the surface 93 also serves as a bridge; along a distance% along the Γ parameter Γ: separate: the platforms 93 and 94 are used for-and the rear surface of the sight glass, respectively, ... 60 of 3) is in contact with the surface (see Fig. 3 61). For this purpose, the distance 96 between the abutment 93 and 94 is slightly smaller than the thickness of the sight glass in the area where the hole extends through and the shaped portion 92 is inserted into the hole towel. region. When the knot or hook 8 is only used to fix the pair of spectacles to a part of the sight glass 6 ^ exclude the second ring bridge 95 near the abutment 94; when the knot or hook 8 is used to fix the eyeglass frame 4 When the sight glass and the connecting bridge 7 are connected, the bridge is retained to the 95 'connecting bridge 7 for connecting two monocular sights together, as shown in Figs. 1 and 12; The distance w between the abutments and the thickness of the μ sight glass 6 plus the thickness of the two clips provided at the end of the connecting bridge 7 match, so the abutment 95 is in contact with the outer surface of the clip and Lean against the outer surface of the clip, as shown in Figure 12. The clip-shaped part is composed of the three parts 10, 丨 and 8 of the knot 8. The clip-shaped trowel is the same as the pin 9 made of the same easily deformable plastic material.

O: \ 88 \ 88656.DOC -13- 200416423 is a polyurethane), which has a side 1 3 that is generally flat and orthogonal to the line 98, and an end that is also generally flat and parallel to the axis 98 The wall surface M, and a third curved surface 15, the three surfaces of 13 to 15 define a groove or notch 16 for mounting a lens edge portion; the bottom end 12 of the clip-shaped portion is tapered and has a sliding support surface 17, Its function can be clearly seen from Fig. 5 to Fig. 7. Fig. 5 to Fig. 7 show the operation of fixing the sight glass to a spectacle lens. During the operation, the knot is gradually embedded and deformed; part of the clip 2 The faces 15 and 17 are in the form of a tip 18 for contacting the lens or the rear surface of the lens frame, wherein the sight glass is fixed to the lens frame by the knot 8. Figure 3 shows the sight glass 6, in which two holes α and 63 are provided near the edge of the sight glass; the pins of the two knots 8 shown in the figure have been embedded in the respective holes of these holes up to the abutment on the pin The other ends of the respective holes are exposed at 94, and the unused ends of the pins in front of the abutment 94 have been cut away. As shown in FIG. 4, the top knot 8 connected to the sight glass 6 has been embedded by sliding the notch or groove 16 through the knot near the edge 30 of the spectacle lens. Define it at this top section. In order for the sight glass 6 to reach the delta lens 3, it is necessary to move the sight glass 6 relative to the lens 3 only in the direction indicated by the arrow 99 shown in FIG. And it is located approximately at ^ = 100 in FIG. 4, which substantially corresponds to all lines of the center of the notch 16 of the top knot 8 and / the edge 3 of the lens 3. As shown in Figs. 5 to 7, the bottom end piece 8 is in contact with the bottom edge 31 of the money mirror 3 by placing the knurled blade 12 of the knot piece 8 along the arrow 99. Push the sight glass 6 in the direction of embedding; as shown in FIG.

O: \ 88 \ 88656.DOC -14-200416423 The parts 11 and 12 of the knot 8 are deformed, and the tip 18 of the knot 8 is gradually passed through the other-end of the bottom edge 31 of the lens 3 until FIG. 7 does not connect the above-mentioned surfaces 17 and 15 with the parts 11 and 12 of the knot 8. The edge 31 of the lens 3 is embedded in the groove 16 defined by the knot. As shown in FIG. 8 to FIG. U, the Lianli wooden bridge 7 for connecting two monoculars together includes-made up of dimensions-a cutting edge 71 and a thickness 72 of, for example, about 03 cu. • Mao Wei. The cutting edge is curved with a radius of curvature of 7 3 which is approximately 30 millimeters, 廿 a # π and the 77 openings are substantially symmetrical to-front to back plane 70 ° Each of the ends of the cutting edge is provided separately- The clip is, specifically, as shown in Fig. 1, which includes three flat wall portions forming a U-shaped clip as seen from the side: a flat wall 1 obliquely extending toward the bottom of the mouth 71 toward you; 〇1, = two flat wall portions 77, 78 or adjusting pieces extended in a flat form, the :: plane is perpendicular to the plane of the wall 101 of the clip. Each of the adjustment pieces 77, 78 has a straight through hole σΐΓη * 1 and 3, 104, the size of the two holes is slightly different, and the two lines Γ〇2Γ are aligned with the common axis of the bridge member inclined to the mid-plane 7G before and after (When the longitudinal axis M of the folder is extended, and at the same time when the bridge member is two planes of 79 ′), the adjustment pieces 77 and 78 are extended parallel to the plane 79, and the 4 + plane 79 and the knife edge 76 are extended by 6 times. The azimuth axis forms an angle of 110, so it is convenient to obtain a pair of binoculars, in which the respective optical axes of the binoculars are substantially parallel; the bayonet 4 wither 77 and 78 bridges front and back to the middle plane 70 η The line 102 is inclined at the same angle with respect to the frame, wherein the axis is perpendicular

O: \ 88 \ 88656.DOC -15- 200416423 on the plane 79 of the adjustment piece. According to FIG. 12, in a position where one of the bridge members and the clamp are connected by the knot bridge member 8 of the present invention and assembled in a raised position, the first abutment is in a hole provided through the mirror 6 The interior is compressed and deformed, and the second bridge abutment 95 rests on the adjusting piece 77 of the connecting bridge. As shown in Fig. 2, in particular, the sliding bearing 倾斜 is inclined with respect to an axis parallel to the longitudinal axis 98 of the pin 9 at an angle 170 in the range of approximately 30 to 60 degrees. [Schematic description] Figure 1 is a schematic perspective view of a pair of eyepieces and a shape and size that match the pair of eyepieces __ binocular sights. The illustration is taboo. JL. The 4 sight glass is in front of the pair of glasses. FIG. 2 is a side view of a hook for fixing a sight glass to a pair of eyeglasses in a first preferred example of the present invention; FIG. 3 schematically illustrates a sight glass A view of a brother's heart, the top and bottom ends of the sight glass are provided with fixing hooks similar to the hooks shown in FIG. 2 respectively; FIG. 4 shows a lens of the sight glass plate s of FIG. Before the end piece fixed to the sight glass is joined with the edge of the lens of the glasses, the fatigue ratio j 4 glasses, in which the sight glass is placed by the head of the basin +, The parts are clamped to the position of the top of the lens; it means that a sight glass knot is joined to one of them. In the structure shown in FIG. 5, the figures 5 to 7 are schematic side views, Three consecutive steps of the mirror fixing hook go to 7ic; soil 丄, face crime on the edge of the lens; in the structure opened in Figure 8 'the mirror mirror + Ke, Bu, σ cattle return roughly In contact with the middle part of the edge of the lens; and in the structure of the surname-heart < ,,, and Q shown in FIG.

O: \ 88 \ 88656.DOC -16- 200416423 traverse to the other side of the edge of the lens of the spectacle, and hold the knot around a part of the edge of the lens; Figures 8 to 11 show-the connecting bridge, as Forming one of the binoculars shown in FIG. I, the bridge member is used to connect two binoculars at _ and is used to assemble the two mirrors; FIG. 8 is a side view of the connecting bridge; Figure 9 is a plan view of the bridge member shown in Figure 8 along the direction of Figure 8UX; Figure ⑺ is a plan view of the same bridge member, # shows the two ends of the connecting bridge member before the adjustment piece provided is folded down Figure 11 is a view of the clip provided at each end of the towel; FIG. 11 is a view viewed in the direction of the magic of FIG. 8-which shows-a side view of the clip among the clips provided at both ends of the connecting bridge; η is a schematic cross-sectional view for fastening one of the binocular sight to the eyeglasses and one of the fishing; the drawing shows in more detail the cone joint of the endoscope after the tapered end of the endoscope is cut off. The fixed fishing boat has a pin that extends through the through hole, which is made of the connecting frame. Provided by each wall of a clip, and the pin is fixed to the eyeglasses through the sight glass; and FIG. 类似于 —similar to the front view ^ sight mirror knot-a schematic perspective view of one embodiment of the sight mirror junction . [Explanation of Symbols of the Drawings] 1 2 3 4 5 6 A pair of glasses Pendulum lens Lens frame Binocular sight Sight O: \ 88 \ 88656.DOC -17- 200416423

7 Connecting bridge 8 Knot 9 Pin 10 Knot part 11 Knot part 12 Knot part 13 Side 14 End wall surface 15 Third curved surface 16 Slot or notch 17 Sliding support surface 18 Tip 30 Top edge 31 Bottom Edge 60 Back 61 Front 62 Straight through hole 63 Straight through hole 70 Front-to-back midplane 71 Cutting edge 72 Thickness 73 Curvature 74 Clip 75 Clip O: \ 88 \ 88656.DOC -18- 200416423 76 Longitudinal axis 77 Adjustment piece 78 Adjustment piece 79 plane 90 cylindrical portion 91 tapered end 92 cylindrical portion 93 surface (abutment) 94 annular protrusion (abutment) 95 annular protrusion (abutment) 96 distance 97 distance 98 axis 99 arrow 100 reference position 101 wall 102 axis 103 Through hole 104 Through hole 110 angle 170 angle

O: \ 88 \ 88656.DOC

Claims (1)

200416423 The patent application park: i. A knotting bridge (8) for fixing the glasses (1) to a sight glass (5, 6) having at least a straight through hole (62, 63), The knot bridge has a component or pin (9) that can extend through the aperture of the sight glass. The knot bridge is characterized by having at least a supporting surface or part (17) which can be a lens (3) or the Slide on the edge (30, 31) of the spectacle frame (4). 2. The bridging member according to item 1 of the scope of patent application, wherein the sliding bearing surface or surface portion is inclined with respect to the longitudinal axis (98) of the pin, and the inclination angle (170) is in the range of 15 degrees to 75 degrees. 3 · The bridging member according to item 丨 or 2 of the scope of patent application, which has a deformable clip or part (ιο, η, 12), which is fixed to or integrated with the pin, and fixed to the sliding support The surface or integrated with the sliding support surface is suitable for assembling on the edge of the lens or the spectacle frame. 4. The bridging member according to item 3 of the scope of patent application, which has a u-shaped portion or clip defining a groove or notch, the groove or notch (16) having a narrow opening. 5. The bridge piece according to item 4 of the scope of patent application, wherein the groove or notch is defined by-a flat first surface (13), a flat second surface ⑽ and a third surface (15), the The flat first surface is located near the pin. The flat first surface— 矣 而 彡 4—the first surface forms the terminal wall of the notch and is used to cover the edge of the lens or part of the frame edge—the third The surface is located near the inclined sliding support surface, the first and second surfaces are substantially perpendicular; and the third surface of the plane or curved surface is inclined with respect to the first surface to cooperate with the second surface to define the Slot or recess O: \ 88 \ 88656.DOC 6.200416423 The bridging member according to item 1 or 2 of the scope of patent application, which has a deformable long central part ⑴) and a tapered protrusion (12), the protrusion is Appears in the form of a tooth or hook, extending from the free end of the deformable long central portion. According to the Moupin technique ^, ^ π, and wooden bridge parts of the scope of the patent application, the protrusion is firstly partially defined by the sliding bearing surface, and the $ or d, and then by the groove or the notch Defined by the third surface. ~ 8. 9. The bridge piece according to item _ of the scope of the patent application, wherein the pin first has a first abutment (93) that is -extensible and is in contact with the rear of the sight glass (6G), and secondly has an extensible And the second abutment (94) which is in contact with a front face of one of the sight glasses has three third abutments (95) which are -extensible and in contact with the connecting bridge member-material (77). The bridge piece (7) is used for connecting two binoculars of a binocular. A detachable monocular sight glass for eyeglasses, the sight glass includes an optical bridge piece (6) having through holes (62, 63) and a bridge piece (8) according to item 1 of the scope of patent application, wherein: The bridge members are individually embedded in the orifices by their pins. 10. A kind of binocular sight (5), which consists of two sight glasses according to item 9 of the scope of the patent application and a connecting bridge (7), which connects the two monoculars together. 11. The sight glass according to item 10 of the scope of patent application, wherein the connecting bridge member has a long central portion (71) extending along a longitudinal axis (76), and provided at respective longitudinal ends of the long central portion. Two clips (74, 75), each of which has two adjustment pieces O: \ 88 \ 88656.DOC -2- 200416423 (77,78) opposite to each other and substantially parallel to each other, each of which has a It is used to install a lock-through hole ⑽, ⑽) of one of the contaminated parts of the sight glass. The connecting bridge piece is symmetrical with respect to the mid-to-back plane (70), and the normal of each plane of the adjustment plate (1〇 2) It is inclined with respect to the plane of symmetry of the connecting bridge. 12, 12. According to the patent scope of the patent claim 1G or u, wherein the connecting bridge 桥 has-a length "long" part along a longitudinal axis ⑼ and the respective at the longitudinal end of the long central part Two clips (74, 75) provided at one end, each with two adjustment pieces (77, 78) opposite to each other and substantially parallel to each other, 'each-adjustment piece has __for installation-view mirror-knot One pin through hole ⑽, 1G4), each __ first adjustment piece has a -th through hole, the through hole has a first diameter, and one second adjustment piece of each clip has A second through hole, the through hole eight having a second diameter larger than the first diameter, each clip has its first hole, the first hole is generally aligned with its second hole. 13. According to the patent application The sight glass of the range __, wherein the connecting bridge is mainly composed of metal and has a thickness (72) in the range of 10-4 meters to 5 × 4_4 meters. 14. According to the scope of the patent application Or 丨 丨 view mirror, characterized in that the connecting bridge is composed of a precious metal, the precious gold With a shape memory alloy, for example; 5 titanium. 15 · A kit for manufacturing a detachable optical sight glass of a spectacle 'The kit includes a plurality of wooden bridges according to item 1 of the scope of patent application (8) , And at least one connecting bridge member is used to connect two monoculars as defined in the scope of patent application item 11. O: \ 88 \ 88656.DOC -3-