JP2021165836A - Spectacle frame for progressive lens - Google Patents
Spectacle frame for progressive lens Download PDFInfo
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- JP2021165836A JP2021165836A JP2021064070A JP2021064070A JP2021165836A JP 2021165836 A JP2021165836 A JP 2021165836A JP 2021064070 A JP2021064070 A JP 2021064070A JP 2021064070 A JP2021064070 A JP 2021064070A JP 2021165836 A JP2021165836 A JP 2021165836A
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- 230000000750 progressive effect Effects 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 claims description 6
- 208000003464 asthenopia Diseases 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract 5
- 238000010168 coupling process Methods 0.000 abstract 5
- 238000005859 coupling reaction Methods 0.000 abstract 5
- 210000003128 head Anatomy 0.000 description 10
- 210000001508 eye Anatomy 0.000 description 9
- 239000011521 glass Substances 0.000 description 4
- 201000010041 presbyopia Diseases 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 210000005252 bulbus oculi Anatomy 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
Description
本発明は上下移動して累進レンズの度数を適正な位置で使い分け出来る累進レンズ用眼鏡のフレームに関する。 The present invention relates to a frame of spectacles for a progressive lens that can move up and down to properly use the power of the progressive lens at an appropriate position.
一般に累進レンズ用眼鏡は、１枚のレンズの上下方向で連続的に度数が変わる遠近両用累進レンズを保持するものであり、この眼鏡を使用する際は、眼鏡の装着者が眼球の方向や見る角度を変え、遠くの物を見る時には上目使いに、近くの物を見る時には下目使いにして見ているのが殆どである。この場合、視線が水平位置から上下に向って物を見るため、物を見るのに正視する（各度数のレンズの中心と装着者の目の高さが合致した視線で見る）のが自然であるのに対して、特に近くの物を見る時の視線は、不自然な見方、不自然な使い方で無理が生じ易く、目の疲れを誘発し易いものとなっていた。 In general, progressive lens spectacles hold a bifocal progressive lens whose power changes continuously in the vertical direction of one lens, and when using this spectacle, the wearer of the spectacles looks at the direction of the eyeball. In most cases, the angle is changed so that when looking at a distant object, the upper eye is used, and when looking at a near object, the lower eye is used. In this case, since the line of sight is directed up and down from the horizontal position, it is natural to look straight at the object (look at the line of sight where the center of the lens of each power and the height of the wearer's eyes match). On the other hand, the line of sight, especially when looking at a nearby object, tends to be overwhelmed by an unnatural view or unnatural usage, and tends to induce eye strain.
このため、物を正視して見ることが出来る累進レンズ用眼鏡の開発が要望されていた。 For this reason, there has been a demand for the development of progressive lens eyeglasses that allow people to look straight at things.
尚、眼鏡自体や鼻当部を上下移動させて高さ調節する眼鏡フレームとし、本発明者が提案した特許登録番号第６３３００９０号，特許登録番号第６３７９２６６号，特許登録番号第６４０７３８５号などがある。 The spectacle frame itself and the nose pad are moved up and down to adjust the height, and there are patent registration number 633090, patent registration number 6379266, patent registration number 6407385, etc. proposed by the present inventor. ..
本発明はレンズ保持枠を上下移動して累進レンズの度数などに応じた正視位置で使用でき、眼精疲労が軽減される累進レンズ用眼鏡のフレームを提供することを目的とする。 An object of the present invention is to provide a frame for progressive lens eyeglasses, which can be used in an emmetropic position according to the power of a progressive lens by moving the lens holding frame up and down, and can reduce eye strain.
本発明は上記現状に鑑みて成されたものであり、つまり、中央部が連結部で連結されると共に累進レンズを保持する一対のレンズ保持枠と、該レンズ保持枠の幅と略同一な幅を有すると共に中央にブリッジ部を設けた連結杆と、先端側が折畳み可能に取付けられたツルと、ブリッジ部の下方に設けると共に鼻に当接して支持させる鼻当部と、レンズ保持枠の外側に設けると共に、連結杆に対して、レンズ保持枠を上下移動させ且つ所定位置で停止保持可能とするための上下移動手段と、から少なくとも構成する。 The present invention has been made in view of the above situation, that is, a pair of lens holding frames in which the central portion is connected by a connecting portion and holds a progressive lens, and a width substantially the same as the width of the lens holding frame. On the outside of the lens holding frame, a connecting rod with a bridge in the center, a vine with a foldable tip side, a nose pad that is provided below the bridge and abuts on the nose to support it. At least, the lens holding frame is vertically moved and stopped and held at a predetermined position with respect to the connecting rod.
前記上下移動手段として、レンズ保持枠の外側に固着させたガイド部材と、連結杆の下端部に固着させると共にツルの先端を固着させ且つガイド部材に配置する上下移動可能な
駒と、該駒を貫通させて配置すると共にガイド部材に配置する一対の板バネと、から少なくとも構成されたものとするのが好ましい。また上下移動手段が、レンズ保持枠の外側に固着させると共に上下方向にガイド溝部と複数の停止保持用の凹部又は穴を設けた筒状のガイド部材と、連結杆の下端部に固着させると共にツルの先端を固着させ且つガイド部材の内部に挿入させて上下移動可能に配置する駒と、該駒が任意位置で停止保持可能とするために設けた固定部材と、から少なくとも構成されたものとするのが良い。また上下移動手段が、レンズ保持枠の外側に固着させたガイド部材と、連結杆の下端部に固着させると共にツルの先端を固着させ且つガイド部材に配置する上下移動可能な駒と、ガイド部材の上下で突出させた軸受部と、該軸受部間に配置すると共に駒と螺合し且つ駒を上下移動させる頭付きネジ棒と、から少なくともすると良い。
更に上下移動手段が、レンズ保持枠の外側に固着させたガイド部材と、連結杆の下端部に固着させると共にツルの先端を固着させ且つガイド部材の内部に挿入させて上下移動可能に配置する駒と、ガイド部材の上下で突出させた軸受部と、該軸受部間に配置する軸と、駒が軸に貫通されると共に駒が軸の任意位置で停止保持可能とするための固定部材と、から少なくとも構成すると良い。又、上下移動手段のガイド部材が、レンズ保持枠の後面で且つ上下方向に沿って配置する軌道と、連結杆の下端部に固着させると共にツルの先端を固着させ、且つ、軌道に咬合可能な咬合部を有すると共に弾力性を有した材料で形成されたスライド駒と、から構成するものとしても良い。
As the vertical moving means, a guide member fixed to the outside of the lens holding frame, a vertically movable piece fixed to the lower end of the connecting rod, the tip of the vine fixed to the guide member, and the piece are arranged. It is preferably composed of at least a pair of leaf springs that are arranged so as to penetrate and are arranged on the guide member. Further, the vertical moving means is fixed to the outside of the lens holding frame, and is fixed to a cylindrical guide member having a guide groove portion and a plurality of recesses or holes for holding a stop in the vertical direction, and is fixed to the lower end portion of the connecting rod, and is also a vine. It is assumed that it is composed of at least a piece that is fixed and inserted into the guide member and arranged so as to be movable up and down, and a fixing member that is provided so that the piece can be stopped and held at an arbitrary position. Is good. Further, the vertical moving means includes a guide member fixed to the outside of the lens holding frame, a vertically movable piece fixed to the lower end of the connecting rod, the tip of the vine, and arranged on the guide member, and the guide member. At least from a bearing portion that protrudes vertically and a screw rod with a head that is arranged between the bearing portions and is screwed with the piece and moves the piece up and down.
Further, the vertical moving means is fixed to the guide member fixed to the outside of the lens holding frame and the lower end of the connecting rod, and the tip of the vine is fixed and inserted into the guide member to be arranged so as to be movable up and down. A bearing portion protruding above and below the guide member, a shaft arranged between the bearing portions, and a fixing member for allowing the piece to be stopped and held at an arbitrary position on the shaft while the piece is penetrated through the shaft. At least it should be configured from. Further, the guide member of the vertical moving means can be fixed to the trajectory arranged on the rear surface of the lens holding frame and along the vertical direction and the lower end of the connecting rod, and the tip of the vine can be fixed and occlude to the trajectory. It may be composed of a slide piece having an occlusal portion and made of a material having elasticity.
請求項１のように中央部が連結部（11）で連結されると共に累進レンズを保持する一対のレンズ保持枠（１）と、該レンズ保持枠（１）の幅と略同一な幅を有すると共に中央にブリッジ部（３）を設けた連結杆（２）と、先端側が折畳み可能に取付けられたツル（４）と、ブリッジ部（３）の下方に設けると共に鼻に当接して支持させる鼻当部（５）と、レンズ保持枠（１）の外側に設けると共に、連結杆（２）に対して、レンズ保持枠（１）を上下移動させ且つ所定位置で停止保持可能とするための上下移動手段（６）と、から少なくとも構成することにより、連結杆（２）に対して、レンズ保持枠（１）を上下移動させて累進レンズの度数などに応じた正視位置で使用できるものとなり、且つ、見易い度数が簡単に見つかるため、眼精疲労が軽減される。
A pair of lens holding frames (1) having a central portion connected by a connecting portion (11) and holding a progressive lens as in
請求項２のように上下移動手段（６）が、レンズ保持枠（１）の外側に設けたガイド部材（61）と、連結杆（２）の下端部に固着させると共にツル（４）の先端を固着させ且つガイド部材（61）に配置する上下移動可能な駒（62）と、該駒（62）を貫通させて配置すると共にガイド部材（61）に配置する一対の板バネ（63）と、から少なくとも構成されることにより、連結杆（２）に対して、レンズ保持枠（１）を上下移動させて累進レンズの度数などに応じた正視位置で使用できるものとなり、且つ、見易い度数が簡単に見つかるため、眼精疲労が軽減される。又、上下移動手段（６）が、簡単な構造で、且つ、レンズ保持枠（１）が任意の位置で保持できるものとなる。
As in
請求項３に示すように上下移動手段（６）が、レンズ保持枠（１）の外側に固着させると共に上下方向にガイド溝部（61a）と複数の停止保持用の凹部又は穴（61b）を設けた筒状のガイド部材（61）と、連結杆（２）の下端部に固着させると共にツル（４）の先端を固着させ且つガイド部材（61）の内部に挿入させて上下移動可能に配置する駒（62）と、該駒（62）が任意位置で停止保持可能とするために設けた固定部材（66）と、から少なくとも構成されることにより、連結杆（２）に対して、レンズ保持枠（１）を上下移動させて累進レンズの度数などに応じた正視位置で使用できるものとなり、且つ、見易い度数が簡単に見つかるため、眼精疲労が軽減される。また上下移動手段（６）の構造が簡単なものとなる。 As shown in claim 3, the vertical moving means (6) is fixed to the outside of the lens holding frame (1) and is provided with a guide groove portion (61a) and a plurality of recesses or holes (61b) for holding a stop in the vertical direction. It is fixed to the lower end of the tubular guide member (61) and the connecting rod (2), and the tip of the vine (4) is fixed and inserted inside the guide member (61) so that it can be moved up and down. The lens is held with respect to the connecting rod (2) by being composed of at least a piece (62) and a fixing member (66) provided so that the piece (62) can be stopped and held at an arbitrary position. The frame (1) can be moved up and down so that it can be used at an emmetropic position according to the power of the progressive lens, and the power that is easy to see can be easily found, so that eye strain is reduced. Further, the structure of the vertical moving means (6) becomes simple.
請求項４に示すように上下移動手段（６）が、レンズ保持枠（１）の外側に固着させたガイド部材（61）と、連結杆（２）の下端部に固着させると共にツル（４）の先端を固着させ且つガイド部材（61）に配置する上下移動可能な駒（62）と、ガイド部材（61）の上下で突出させた軸受部（612）と、該軸受部（612）間に配置すると共に駒（62）と螺合し且つ駒（62）を上下移動させる頭付きネジ棒（64）と、から少なくとも構成されることにより、請求項３記載と同様な効果が得られると共に、微調節が容易に行えるものとなる。
As shown in
請求項５のように上下移動手段（６）が、レンズ保持枠（１）の外側に固着させたガイド部材（61）と、連結杆（２）の下端部に固着させると共にツル（４）の先端を固着させ且つガイド部材（61）に配置する上下移動可能な駒（62）と、ガイド部材（61）の上下で突出させた軸受部（613）と、該軸受部（613）間に配置して固着する軸（65）と、駒（62）が軸（65）に貫通されると共に駒（62）が軸（65）の任意位置で停止保持可能とするための固定部材（66）と、から少なくとも構成されることにより、レンズ保持枠（１）の上下移動がスムーズに行えると共に簡単な構造でその高さも保持できるものとなる。 As in claim 5, the vertical moving means (6) is fixed to the guide member (61) fixed to the outside of the lens holding frame (1) and to the lower end of the connecting rod (2), and the vine (4). A vertically movable piece (62) whose tip is fixed and arranged on the guide member (61), a bearing portion (613) projecting above and below the guide member (61), and an arrangement between the bearing portion (613). A shaft (65) that is fixed to the shaft (65), and a fixing member (66) that allows the piece (62) to be penetrated through the shaft (65) and the piece (62) to be stopped and held at an arbitrary position on the shaft (65). By at least being configured from, the lens holding frame (1) can be smoothly moved up and down, and its height can be held by a simple structure.
請求項６のように上下移動手段（６）が、レンズ保持枠（１）の後面（1a）に且つ上下方向に沿って配置する軌道（67）と、連結杆（２）の下端部に固着させると共にツル（４）の先端を固着させ、且つ、軌道（67）に咬合可能な咬合部（68a）を有すると共に弾力性を有した材料で形成されたスライド駒（68）と、から少なくとも構成されることにより、連結杆（２）に対して、レンズ保持枠（１）を上下移動させて累進レンズの度数などに応じた正視位置が素早く分り、且つ、見易い度数の位置で保持されて使用できるため、眼精疲労が軽減される。又、上下移動手段（６）が、簡単な構造で、且つ、部品点数が少なくて済む。
As in
本発明の実施形態を図１、図２に基づいて説明する。（１）は中央部が連結部（11）で連結されると共に累進レンズを保持する一対のレンズ保持枠であり、該レンズ保持枠（１）は累進レンズの外周を図中の如く囲っているが、これに限定するものではなく、例えば、外側枠だけのレンズ保持枠（１）を用いても良い。また累進レンズの形状としては、図中に示す四角形に限定されるものではなく、例えば円形，楕円形や他の形状でも良い。尚、図８、図１に於ける２点鎖線は、累進レンズの各度数の中心を示し、図中の0.5〜3.5の数字は度数を表示するものである。 An embodiment of the present invention will be described with reference to FIGS. 1 and 2. (1) is a pair of lens holding frames in which the central portion is connected by the connecting portion (11) and holds the progressive lens, and the lens holding frame (1) surrounds the outer periphery of the progressive lens as shown in the figure. However, the present invention is not limited to this, and for example, a lens holding frame (1) having only an outer frame may be used. The shape of the progressive lens is not limited to the quadrangle shown in the drawing, and may be, for example, a circular shape, an elliptical shape, or another shape. The two-dot chain line in FIGS. 8 and 1 indicates the center of each power of the progressive lens, and the numbers 0.5 to 3.5 in the figure indicate the power.
（２）は連結したレンズ保持枠（１）の幅と略同一な幅を有すると共に中央にブリッジ部（３）を設けた連結杆であり、該連結杆（２）の両側の下端は累進レンズの略中央高さまで延出している。（４）は先端側が折畳み可能に取付けられたツルであり、該ツル（４）の先端は、後述する上下移動手段（６）の駒（62）に固着されている。（５）は鼻に当接して全体を支持させる鼻当部であり、該鼻当部（５）はブリッジ部（３）の下方に設けられている。又、前記鼻当部（５）には、フィット性を良くするために柔軟性の材料を用いると良い。 (2) is a connecting rod having a width substantially the same as the width of the connected lens holding frame (1) and having a bridge portion (3) in the center, and the lower ends on both sides of the connecting rod (2) are progressive lenses. It extends to about the center height of. (4) is a vine whose tip side is foldably attached, and the tip of the vine (4) is fixed to a piece (62) of a vertical movement means (6) described later. (5) is a nose pad portion that comes into contact with the nose and supports the whole, and the nose pad portion (5) is provided below the bridge portion (3). Further, it is preferable to use a flexible material for the nose pad (5) in order to improve the fit.
（６）は左右のレンズ保持枠（１）の外側に設けると共に、連結杆（２）に対して、レンズ保持枠（１）が上下移動され且つ所定位置で停止保持可能とするための上下移動手段であり、該上下移動手段（６）としては、レンズ保持枠（１）の外側の側面又は後面に設けたガイド部材（61）と、連結杆（２）の下端部に突出させて固着する駒（62）と、ガイド部材（61）間に配置する一対で短冊状の板バネ（63）と、から少なくとも構成されている。前記ガイド部材（61）には、四角穴（611a）を有した突片（611）が上下に配置されている。前記駒（62）には、前記四角穴（611a）よりも幅が広い四角形状の挿入穴（62a）が穿設されている。前記板バネ（63）は、図２に示すように一端を曲げ、図１に示すように背中合せにして四角穴（611a）と挿入穴（62a）に貫通させると共に中間部が広がるように湾曲させた後、他端を曲げて突片（611）に接着等で固定させておく。尚、前記上下移動手段（６）には、図１、図２に示すバネ式や図３に示すガイド溝式、図４のようなネジ棒式、図５のような軸式、図６に示すような咬合式があるが、この構造に限定されるものではなく、ツル（４）の先端と固定した駒（62）が任意位置で停止保持可能な構造のものであれば、他の構造のものでも良い。 (6) is provided outside the left and right lens holding frames (1), and the lens holding frame (1) is moved up and down with respect to the connecting rod (2) so that the lens holding frame (1) can be stopped and held at a predetermined position. As the vertical moving means (6), the guide member (61) provided on the outer side surface or the rear surface of the lens holding frame (1) is projected and fixed to the lower end portion of the connecting rod (2). It is composed of at least a pair of strip-shaped leaf springs (63) arranged between the piece (62) and the guide member (61). Projections (611) having square holes (611a) are vertically arranged on the guide member (61). The piece (62) is bored with a quadrangular insertion hole (62a) having a width wider than that of the square hole (611a). The leaf spring (63) is bent at one end as shown in FIG. 2, and is back-to-back as shown in FIG. After that, the other end is bent and fixed to the projecting piece (611) by adhesion or the like. The vertical movement means (6) includes a spring type shown in FIGS. 1 and 2, a guide groove type shown in FIG. 3, a screw rod type as shown in FIG. 4, a shaft type as shown in FIG. 5, and FIG. There is an occlusal type as shown, but it is not limited to this structure, and other structures as long as the tip of the vine (4) and the fixed piece (62) can be stopped and held at an arbitrary position. It may be one.
図３はガイド溝式の上下移動手段（６）を示す図であり、これはガイド部材（61）を四角筒状に形成しており、その側面又は後面には上下方向にガイド溝部（61a）が設けられ、ガイド部材（61）の他の側面には複数の停止保持用の凹部又は穴（61b）が設けられている。また前記ガイド部材（61）の内部に四角状の駒（62）を上下移動可能に挿入すると共にガイド溝部（61a）にツル（４）の先端を挿入させて上下移動可能に配置させ、且つ、その駒（62）が任意位置で停止保持可能とするための固定部材（66）を設けている。前記ガイド溝部（61a）はツル（４）の先端がスムーズに上下移動できる幅が確保されている。前記凹部又は穴（61b）は、累進レンズの各度数の中心がツル（４）の高さと略合致するような位置に設けられている。また固定部材（66）としては、駒（62）に穴を形成させ、その穴に設ける球体（66a）と、該球体（66a）が外側へ押圧されるためのバネ（66b）と、そのバネ（66b）が抜き出ないための止ネジ（66c）と、から構成しているが、他の構成としても良い。 FIG. 3 is a view showing a guide groove type vertical moving means (6), in which a guide member (61) is formed in a square cylinder shape, and a guide groove portion (61a) is formed on a side surface or a rear surface thereof in the vertical direction. Is provided, and a plurality of recesses or holes (61b) for holding a stop are provided on the other side surface of the guide member (61). Further, the square piece (62) is inserted into the guide member (61) so as to be vertically movable, and the tip of the vine (4) is inserted into the guide groove portion (61a) so as to be vertically movable. A fixing member (66) is provided so that the piece (62) can be stopped and held at an arbitrary position. The guide groove portion (61a) has a width that allows the tip of the vine (4) to move up and down smoothly. The recess or hole (61b) is provided at a position where the center of each power of the progressive lens substantially matches the height of the vine (4). Further, as the fixing member (66), a sphere (66a) provided in the piece (62) by forming a hole, a spring (66b) for pressing the sphere (66a) to the outside, and a spring thereof. It is composed of a set screw (66c) to prevent (66b) from being pulled out, but other configurations may be used.
図４はネジ棒式の上下移動手段（６）を示す図であり、これは、ガイド部材（61）の上下で突出させた軸受部（612）と、該軸受部（612）間に配置すると共に空回りする頭付きネジ棒（64）と、連結杆（２）の下端部に突出させて固着すると共に頭付きネジ棒（64）に螺合させる上下移動可能な駒（62）と、から少なくとも構成されている。前記頭付きネジ棒（64）の頭部外周には、回し易くするためのスベリ止めとしてローレット加工を施しておくと良く、前記頭付きネジ棒（64）の端部には抜け防止用のストップリングを装着させておくと良い。 FIG. 4 is a diagram showing a screw rod type vertical moving means (6), which is arranged between a bearing portion (612) protruding above and below the guide member (61) and the bearing portion (612). At least from a screw rod with a head (64) that spins idle with the screw rod (64) and a piece (62) that can move up and down so that it protrudes and sticks to the lower end of the connecting rod (2) and is screwed into the screw rod with a head (64). It is configured. The outer circumference of the head of the screw rod (64) with a head may be knurled to prevent slipping to make it easier to turn, and the end of the screw rod (64) with a head may have a stop to prevent it from coming off. It is good to have the ring attached.
図５は軸式の上下移動手段（６）を示す図であり、ガイド部材（61）の上下で突出させた軸受部（613）と、該軸受部（613）で支持される丸棒状の軸（65）と、連結杆（２）の下端部に突出させて固着すると共に前記軸（65）に貫通させて上下移動可能な駒（62）と、該駒（62）が適宜位置で停止保持できる固定部材（66）と、から少なくとも構成されている。前記軸（65）には複数の溝状の凹部（651）が形成され、その凹部（651）に停止保持可能な球体（66a）と、該球体（66a）が外側へ押圧されるためのバネ（66b）と、そのバネ（66b）が抜き出ないための止ネジ（66c）と、から構成されているが、他の構成としても良い。尚、前記軸（65）の両端にストップリングを設けているが、これ以外の抜け防止手段を設けても良い。また凹部（651）の位置はツル（４）の高さが、累進レンズの度数中心と略合致するような位置に形成しておく。 FIG. 5 is a diagram showing an axial vertical movement means (6), in which a bearing portion (613) protruding vertically from the guide member (61) and a round bar-shaped shaft supported by the bearing portion (613). (65) and the piece (62) that can be moved up and down by protruding and fixing to the lower end of the connecting rod (2) and penetrating the shaft (65), and the piece (62) is stopped and held at an appropriate position. It is composed of at least a fixing member (66) that can be formed. A plurality of groove-shaped recesses (651) are formed in the shaft (65), and a sphere (66a) that can be stopped and held in the recess (651) and a spring for pressing the sphere (66a) outward. It is composed of (66b) and a set screw (66c) to prevent the spring (66b) from being pulled out, but other configurations may be used. Although stop rings are provided at both ends of the shaft (65), other means for preventing the shaft (65) from coming off may be provided. The position of the recess (651) is formed so that the height of the vine (4) substantially coincides with the center of power of the progressive lens.
図６は咬合式の上下移動手段（６）を示す図であり、ガイド部材（61）が、レンズ保持枠（１）の外側の後面（1a）又は側面で且つ上下方向に沿って配置する軌道（67）と、連結杆（２）の下端部に突出させて固着し、且つ、軌道（67）に咬合可能な咬合部（68a）を有すると共に弾力性を有した材料で形成されたスライド駒（6８）と、から少なくとも構成されている。前記軌道（67）は略凸状に形成された長尺な形状であり、合成樹脂でレンズ保持枠（１）と一体に形成されている。またスライド駒（68）にはスリ割りが設けられており、咬合部（68a）が略凸状の軌道（67）に咬合した時には、ツル（４）の高さが一定に保持されるが、移動させる時にはツル（４）の下部を指で支えながらレンズ保持枠（１）を強めに移動させると、咬合部（68a）が若干変形して軌道（67）上で移動可能になる。尚、スライド駒（68）に弾力性を有するだけでなく、軌道（67）にも弾力性を有したものとしても良い。又、軌道（67）の下部或いは上下部に抜け防止のストップ部材を設けておくと良い。更に軌道（67）とスライド駒（68）の材料は合成樹脂に限定されるものではない。 FIG. 6 is a diagram showing an occlusal type vertical moving means (6), in which the guide member (61) is arranged on the outer rear surface (1a) or the side surface of the lens holding frame (1) and along the vertical direction. (67) and a slide piece made of a material having an occlusal portion (68a) that protrudes and is fixed to the lower end of the connecting rod (2) and can be occluded in the orbit (67) and has elasticity. It is composed of at least (68) and. The orbit (67) has a long shape formed in a substantially convex shape, and is integrally formed with a lens holding frame (1) with a synthetic resin. Further, the slide piece (68) is provided with a slit, and when the occlusal portion (68a) occludes on the substantially convex trajectory (67), the height of the vine (4) is kept constant. When moving, if the lens holding frame (1) is strongly moved while supporting the lower part of the vine (4) with a finger, the occlusal portion (68a) is slightly deformed and can move on the orbit (67). Not only the slide piece (68) may have elasticity, but also the trajectory (67) may have elasticity. Further, it is preferable to provide a stop member for preventing the track (67) from coming off at the lower part or the upper and lower parts. Furthermore, the materials of the orbit (67) and the slide piece (68) are not limited to synthetic resin.
次に上下移動手段（６）の作用を図７に基づいて説明する。先ず始めにガイド部材（61）の下端に駒（62）を寄せておく［図７（ａ）参照］。次に眼鏡を装着し、ツル（４）の先端下部を指で支えながらレンズ保持枠（１）を押し下げて、老眼の度数を少しずつ下げて行く。この時、新聞や雑誌等の文字を見て鮮明に見えた所（位置）で、レンズ保持枠（１）の押し下げを止める。すると、累進レンズの中心と装着者の目の高さが略一致する。この時、駒（62）は板バネ（63）の弾性力で停止位置が保持される。尚、図７（ｂ）はレンズ保持枠（１）の中間部に駒（62）が来た位置を示し、図７（ｃ）はレンズ保持枠（１）の上部に駒（62）が来た位置を示す。 Next, the operation of the vertical moving means (6) will be described with reference to FIG. First, the piece (62) is moved to the lower end of the guide member (61) [see FIG. 7 (a)]. Next, the eyeglasses are put on, and the lens holding frame (1) is pushed down while supporting the lower tip of the vine (4) with a finger, and the power of presbyopia is gradually lowered. At this time, stop pushing down the lens holding frame (1) at a place (position) where you can clearly see the characters in newspapers and magazines. Then, the center of the progressive lens and the height of the wearer's eyes are substantially the same. At this time, the stop position of the piece (62) is held by the elastic force of the leaf spring (63). Note that FIG. 7B shows the position where the piece (62) comes to the middle portion of the lens holding frame (1), and FIG. 7C shows the piece (62) coming to the upper part of the lens holding frame (1). Indicates the position.
図３に示すガイド溝式の上下移動手段（６）の作用について説明すると、図７と同様にガイド部材（61）の下端に駒（62）を寄せておく。次に眼鏡を装着し、ツル（４）の先端下部を指で支えながらレンズ保持枠（１）を押し下げて、老眼の度数を少しずつ下げ、新聞や雑誌等の文字を見て鮮明に見えた所（位置）で、レンズ保持枠（１）の押し下げを止める。すると、累進レンズの中心と装着者の目の高さが上記同様に略一致する。この時、駒（62）は、ガイド部材（61）の側面又は前面に設けた複数の停止保持用の凹部又は穴（61b）に駒（62）から突出した球体（66a）が係止されて停止位置を保持させる。 Explaining the operation of the guide groove type vertical movement means (6) shown in FIG. 3, the piece (62) is brought closer to the lower end of the guide member (61) as in FIG. 7. Next, I put on my glasses and pushed down the lens holding frame (1) while supporting the lower part of the tip of the vine (4) with my fingers to gradually lower the power of presbyopia, and I could see clearly by looking at the letters in newspapers and magazines. At the place (position), stop pushing down the lens holding frame (1). Then, the center of the progressive lens and the height of the wearer's eyes substantially match as described above. At this time, the piece (62) has a sphere (66a) protruding from the piece (62) locked in a plurality of recesses or holes (61b) provided on the side surface or the front surface of the guide member (61) for holding a stop. Hold the stop position.
図４に示すネジ棒式の上下移動手段（６）の作用について説明する。予めガイド部材（61）の下端に駒（62）を寄せておく。このネジ棒式は、レンズ保持枠（１）を指で押し下げるのではなく、頭付きネジ棒（64）の頭部を手で回転させて、頭付きネジ棒（64）が空回りされることにより、駒（62）を少しずつ上下移動し、レンズ保持枠（１）を上下移動させ、新聞や雑誌等の文字が鮮明に見えた所（位置）で、頭付きネジ棒（64）の回転を止める。すると、累進レンズの中心と装着者の目の高さが略一致する。 The operation of the screw rod type vertical moving means (6) shown in FIG. 4 will be described. The piece (62) is moved to the lower end of the guide member (61) in advance. In this screw rod type, instead of pushing down the lens holding frame (1) with a finger, the head of the headed screw rod (64) is rotated by hand, and the headed screw rod (64) is idled. , Move the piece (62) up and down little by little, move the lens holding frame (1) up and down, and rotate the screw rod with head (64) at the place (position) where the characters such as newspapers and magazines are clearly visible. stop. Then, the center of the progressive lens and the height of the wearer's eyes are substantially the same.
図５に示す軸式の上下移動手段（６）の作用について説明すると、図７と同様にガイド部材（61）の下端に駒（62）を寄せておく。次に眼鏡を装着し、ツル（４）の先端下部を指で支えながらレンズ保持枠（１）を押し下げていくと、新聞や雑誌等の文字が鮮明に見えた所（位置）で、レンズ保持枠（１）の押し下げを止める。すると、累進レンズの中心と装着者の目の高さが上記同様に略一致する。この時、駒（62）は、軸（65）に設けた複数の溝状の凹部（651）に、駒（62）から突出した球体（66a）が係止されて停止位置を保持させる。 Explaining the operation of the axial vertical movement means (6) shown in FIG. 5, the piece (62) is brought closer to the lower end of the guide member (61) as in FIG. 7. Next, put on the glasses and push down the lens holding frame (1) while supporting the lower part of the tip of the vine (4) with your finger. Stop pushing down the frame (1). Then, the center of the progressive lens and the height of the wearer's eyes substantially match as described above. At this time, the piece (62) holds the stop position by engaging the sphere (66a) protruding from the piece (62) with a plurality of groove-shaped recesses (651) provided on the shaft (65).
図６に示す咬合式の上下移動手段（６）の作用について説明すると、図７と同様に軌道（67）の下端にスライド駒（68）を寄せておく。この時、スライド駒（68）の咬合部（68a）は、軌道（67）に咬合して停止位置が保持される。次に眼鏡を装着し、ツル（４）の先端下部を指で支えながらレンズ保持枠（１）を押し下げると、スライド駒（68）の咬合部（68a）が変形して上下移動可能となるので、老眼の度数を少しずつ下げ、新聞や雑誌等の文字が鮮明に見えた所（位置）で、レンズ保持枠（１）の押し下げを止める。すると、累進レンズの中心と装着者の目の高さが上記同様に略一致する。 Explaining the operation of the occlusal type vertical movement means (6) shown in FIG. 6, the slide piece (68) is moved to the lower end of the trajectory (67) as in FIG. 7. At this time, the occlusal portion (68a) of the slide piece (68) occludes on the trajectory (67) and the stop position is held. Next, when wearing glasses and pushing down the lens holding frame (1) while supporting the lower tip of the vine (4) with a finger, the occlusal part (68a) of the slide piece (68) is deformed and can move up and down. , Decrease the degree of presbyopia little by little, and stop pushing down the lens holding frame (1) at the place (position) where the characters such as newspapers and magazines are clearly visible. Then, the center of the progressive lens and the height of the wearer's eyes substantially match as described above.
次に本発明の作用を図８に基づいて説明する。先ず始めに眼鏡を装着し、レンズ保持枠（１）を両手で上下移動させて、老眼の度数を少しずつ変化させ、新聞や雑誌等の文字が鮮明に見えた所（位置）で、レンズ保持枠（１）の上下移動を止めると、累進レンズの適宜度数の中心と装着者の目の高さが略一致するものとなる。このため、累進レンズの度数に応じた正視位置が簡単に確保して使用できるものとなり、且つ、眼精疲労が軽減される。 Next, the operation of the present invention will be described with reference to FIG. First of all, put on the glasses, move the lens holding frame (1) up and down with both hands, change the power of presbyopia little by little, and hold the lens in the place (position) where the letters such as newspapers and magazines are clearly visible. When the vertical movement of the frame (1) is stopped, the center of the appropriate power of the progressive lens and the height of the wearer's eyes are substantially the same. Therefore, the emmetropic position according to the power of the progressive lens can be easily secured and used, and eye strain is reduced.
１ レンズ保持枠
11 連結部
２ 連結杆
３ ブリッジ部
４ ツル
５ 鼻当部
６ 上下移動手段
61 ガイド部材
61a ガイド溝部
61b 穴
612 軸受部
613 軸受部
62 駒
63 板バネ
64 頭付きネジ棒
65 軸
66 固定部材
67 軌道
68 スライド駒
68a 咬合部
1 Lens holding frame
11
61 Guide member
61a Guide groove
61b hole
612 Bearing
613 Bearing part
62 pieces
63 Leaf spring
64 screw rod with head
65 axes
66 Fixing member
67 orbit
68 Slide piece
68a Occlusal part
Claims (6)
The vertical moving means (6) is fixed to the orbit (67) arranged on the rear surface (1a) of the lens holding frame (1) and along the vertical direction, and to the lower end of the connecting rod (2). It is composed of at least a slide piece (68) formed of a material having an occlusal portion (68a) capable of occlusal on the orbit (67) and having the tip of the vine (4) fixed and having elasticity. The frame of the spectacles for a progressive lens according to claim 1.
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| JP2020068759 | 2020-04-07 | ||
| JP2020068759 | 2020-04-07 |
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| Publication Number | Publication Date |
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| JP2021165836A true JP2021165836A (en) | 2021-10-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2021064070A Active JP7004358B2 (en) | 2020-04-07 | 2021-04-05 | Frame of eyeglasses for progressive lenses |
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| JP2018040922A (en) * | 2016-09-07 | 2018-03-15 | 則雄 関 | Bifocal spectacle-like frame |
| JP2019012242A (en) * | 2017-07-03 | 2019-01-24 | 則雄 関 | Bifocal spectacular frame |
| JP6882811B1 (en) * | 2020-06-19 | 2021-06-02 | 則雄 関 | Eyeglass frame |
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2021
- 2021-04-05 JP JP2021064070A patent/JP7004358B2/en active Active
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| JP2018040922A (en) * | 2016-09-07 | 2018-03-15 | 則雄 関 | Bifocal spectacle-like frame |
| JP2019012242A (en) * | 2017-07-03 | 2019-01-24 | 則雄 関 | Bifocal spectacular frame |
| JP3214278U (en) * | 2017-10-20 | 2017-12-28 | 則雄 関 | Glasses-shaped frame |
| JP6882811B1 (en) * | 2020-06-19 | 2021-06-02 | 則雄 関 | Eyeglass frame |
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