JP3058276U - Watch band - Google Patents
Watch bandInfo
- Publication number
- JP3058276U JP3058276U JP1998007802U JP780298U JP3058276U JP 3058276 U JP3058276 U JP 3058276U JP 1998007802 U JP1998007802 U JP 1998007802U JP 780298 U JP780298 U JP 780298U JP 3058276 U JP3058276 U JP 3058276U
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- Prior art keywords
- press
- blind hole
- band
- connecting pin
- diameter
- 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.)
- Expired - Lifetime
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Abstract
(57)【要約】
【課題】 駒相互の間の巾方向、長手方向のすきまが均
一で、高級感のある外観を呈し得る腕時計用バンドを提
供すること。
【解決手段】 連結ピン１３を長手方向全長にわたって
同じ太さに形成するとともに、両端の圧入部の周面に径
方向の寸法が外駒１に設けた袋穴４の径よりも小さく、
かつ、袋穴４の圧入部の長さよりも長い切欠き部１２を
設けることによって、バンドとして完成したときに、中
駒３と連結ピン１３のバンド長手方向におけるがたつき
を小さくすると同時に、圧入時に袋穴４内に残留する空
気をなくして、外駒１と中駒３との間のすきまのばらつ
きをなくすようにしたもの。
(57) [Problem] To provide a wristwatch band capable of exhibiting a high-grade appearance with uniform gaps in the width direction and the longitudinal direction between pieces. SOLUTION: A connecting pin 13 is formed to have the same thickness over the entire length in the longitudinal direction, and a radial dimension on a peripheral surface of a press-fitting portion at both ends is smaller than a diameter of a blind hole 4 provided in an outer piece 1,
In addition, by providing the notch portion 12 longer than the length of the press-fit portion of the blind hole 4, when the band is completed, the backlash between the middle piece 3 and the connecting pin 13 in the band longitudinal direction is reduced, and at the same time, the press-fit is performed. A method in which air remaining in the blind hole 4 is sometimes eliminated, so that variations in the clearance between the outer piece 1 and the middle piece 3 are eliminated.
Description
【０００１】[0001]
本考案は、外駒に設けた袋穴に連結ピンを圧入して外駒と中駒を連結する形式 の腕時計用バンドに関する。 The present invention relates to a wristwatch band of a type in which a connecting pin is pressed into a blind hole provided in an outer piece to connect the outer piece and a middle piece.
【０００２】[0002]
従来、外駒に設けた袋穴に連結ピンを圧入して外駒と中駒を連結する形式の腕 時計用バンドにおいては、連結ピンとして両端部にロ−レット部を形成した、い わゆるロ−レットピンが使用されていた。 Conventionally, in a wristwatch band in which a connecting pin is press-fitted into a blind hole provided in an outer piece to connect the outer piece and the middle piece, knurled portions are formed at both ends as the connecting pins, so-called A knurled pin was used.
【０００３】 この種のロ−レットピンを使用するバンドにあっては、ロ−レット部の外径よ りも若干小径の袋穴を設けた外駒にロ−レット部を圧入した後、このロ−レット ピンを中駒に設けた貫通孔に挿通した上、他端のロ−レット部を他方の外駒の袋 穴に圧入することによりバンドを結合するようにしていた。In a band using a knurling pin of this kind, after inserting the knurling part into an outer piece having a bag hole having a diameter slightly smaller than the outer diameter of the knurling part, the knurling part is pressed. -The band was connected by inserting the knurled pin into the through hole provided in the middle piece and then press-fitting the knurled part at the other end into the blind hole of the other outer piece.
【０００４】 このロ−レット部は、通常、転造加工により製造され、かつロ−レット部の外 径は非ロ−レット部の外径より大きく形成されるため、中駒に設ける貫通穴は、 ロ−レット部の外径よりも大きくする必要があった。The knurl portion is usually manufactured by rolling and the outer diameter of the knurl portion is formed to be larger than the outer diameter of the non-knurl portion. However, it was necessary to make the outer diameter of the knurl portion larger.
【０００５】 しかしながら、連結ピンとして使用するロ−レットピンは、外駒の袋穴に圧入す る際の座屈変形を防止するために、硬度の大なる金属により形成することを必要 とし、これに転造加工を施こさなければならないため、転造ツ−ルの寿命が安定 せず、これに起因してロ−レット部の外径のばらつき及び偏心量が大きくなり、 また、ロ−レット部の外径の平均値も公差の差以上の差が生じ易い。However, the knurling pin used as the connecting pin needs to be formed of a metal having high hardness in order to prevent buckling deformation when the knurling pin is pressed into the blind hole of the outer piece. Since the forming process must be performed, the life of the rolling tool is not stabilized, and as a result, the outer diameter variation and the amount of eccentricity of the knurl portion increase, and The average value of the outer diameters is apt to be larger than the difference between the tolerances.
【０００６】 また、座屈変形を防止するには、ロ−レット部の外径及び外駒の袋穴径をそれ ぞれ複雑に層別して組み合わせなければならないが、量産加工ではそのような完 全な層別は困難で、実際には、座屈変形が発生した場合に当該パ−ツを不良とし て取り直さざるを得ないといった、製造上、品質上の問題点を有して、コストの 高いバンドとならざるをえないという問題点を有していた。In order to prevent buckling deformation, the outer diameter of the knurl portion and the outer diameter of the blind hole of the outer piece must be combined in a complicated and layered manner. It is difficult to stratify, and in fact, if buckling deformation occurs, the part must be retaken as a defect and must be retaken, resulting in high manufacturing and quality costs and high costs. There was a problem that it had to be a band.
【０００７】 さらに、ロ−レットピンを外駒の袋穴に圧入するにあたっては、圧入長さが一 定となるように機械的に治具をセットしても、袋穴内の圧入条件によっては反力 の作用によりロ−レットピンの戻り量が変わり、バンドの完成体でのすきまにば らつきが生じて、高級感に欠けてしまうといった問題が生じていた。Further, when press-fitting the knurl pin into the blind hole of the outer piece, even if the jig is mechanically set so that the press-fit length is constant, depending on the press-fitting condition in the blind hole, the reaction force may be reduced. The effect changes the amount of return of the knurl pin, causing a variation in the clearance of the completed band, causing a problem of lack of luxury.
【０００８】 さらにまた、ロ−レット部の外径は非ロ−レット部の外径より大きく形成され るため、中駒のロ−レットピン挿通用貫通穴の内径は、ロ−レット部の外径にク リアランスをプラスした設定とせざるを得ないが、バンド完成体においては、中 駒に対してロ−レットピンの非ロ−レット部が挿通された状態となるため、中駒 と非ロ−レット部との間には必要以上の余分なクリアランスが生じることとなり 、バンド長さ方向のがた量が大きくなって、高級感のあるバンドが得られないと いう問題点を生じる。Furthermore, since the outer diameter of the knurled portion is formed larger than the outer diameter of the non-knurled portion, the inner diameter of the through hole for inserting the knurled pin of the middle block is smaller than the outer diameter of the knurled portion. Clearance must be added, but in the completed band, since the non-knurled part of the knurled pin is inserted into the middle piece, the middle piece and the non-knurled part are inserted. In this case, unnecessary extra clearance is generated, and the amount of play in the band length direction becomes large, causing a problem that a high-quality band cannot be obtained.
【０００９】 またさらに、バンド材質がチタンのように硬い場合には、冷間加工性が悪いた め転造加工によるロ−レットピンの製造は困難で、この種のバンドを提供するこ とができないといった問題点を有していた。Further, when the band material is hard as titanium, the cold workability is poor, so that it is difficult to manufacture a knurled pin by rolling, and it is impossible to provide this kind of band. There was such a problem.
【００１０】[0010]
本考案はこのような問題点に鑑みてなされたもので、その目的とするところは 、層別等のむだな作業を省き、しかも、すきまが均一で、高級感のある外観を呈 し得る新たな腕時計用バンドを提供することにある。 The present invention has been made in view of such problems, and its purpose is to eliminate unnecessary work such as stratification and to provide a uniform appearance and a high-grade appearance. It is to provide a wristwatch band.
【００１１】[0011]
かかる目的を達成するために、外駒に設けられた袋穴に連結ピンを圧入するこ とにより外駒と中駒とを連結して構成される腕時計用バンドにおいて、連結ピン を長手方向全長にわたって同一径に形成するとともに、両端の圧入部の周面に、 径方向の寸法が袋穴の径よりも小さな切欠き部を少なくとも一個所設けるように したものである。 In order to achieve this object, in a wristwatch band formed by connecting the outer piece and the middle piece by press-fitting the connecting pin into a blind hole provided in the outer piece, the connecting pin is extended over the entire length in the longitudinal direction. In addition to forming the same diameter, at least one notch having a radial dimension smaller than the diameter of the blind hole is provided on the peripheral surface of the press-fit portion at both ends.
【００１２】[0012]
そこで、以下に本考案の実施例について説明する。 図１は、本考案の一実施例を示したものである。 Therefore, an embodiment of the present invention will be described below. FIG. 1 shows an embodiment of the present invention.
【００１３】 腕時計用バンドの最外側部をなす外駒１，２の内側には、所要の径差、つまり 、連結ピン１１の圧入部の径から外駒１，２に設けた袋穴４の内径を差し引いた 径の差を確保するための、連結ピン１１の径よりも若干小径の袋穴４が形成され 、ここには、全長にわたって同じ太さに形成された後述する連結ピン１１が両端 を圧入するようにして固定され、さらに、これらの連結ピン１１には、連結ピン １１の径に対して最小限のクリアランスを加味した大きさの貫通孔５を設けた中 駒３が挿通されている。The inner diameter of the outer pieces 1 and 2 forming the outermost part of the wristwatch band has a required diameter difference, that is, the diameter of the press-fit portion of the connecting pin 11, and the size of the blind hole 4 provided in the outer pieces 1 and 2. A blind hole 4 having a diameter slightly smaller than the diameter of the connecting pin 11 is formed to secure a difference in diameter after subtracting the inner diameter. Are fixed by press-fitting. Further, through these connecting pins 11, a center piece 3 provided with a through hole 5 having a size in which a minimum clearance is added to the diameter of the connecting pins 11 is inserted. I have.
【００１４】 図２は、上述した連結ピン１１を示したもので、この連結ピン１１はセンタレ ス加工により長手方向全長にわたって同一径として形成され、かつ、所要長さに 切断された上、周面１３と端面１４との稜線部を面取り加工して袋穴４や貫通孔 ５への挿入が容易にされ、さらに、両端の周面１３の一部には、切削加工によっ て、外駒１、２の袋穴４への圧入深さよりも長く、かつ袋穴４の内径よりも径方 向寸法の小さな切欠き部１２が形成されている。FIG. 2 shows the connecting pin 11 described above. The connecting pin 11 is formed to have the same diameter over the entire length in the longitudinal direction by centerless processing, and is cut into a required length, and the peripheral surface is cut off. The edges of the edge 13 and the end face 14 are chamfered to facilitate insertion into the blind hole 4 and the through-hole 5. 2, a notch portion 12 longer than the depth of press-fitting into the blind hole 4 and having a smaller radial dimension than the inner diameter of the blind hole 4 is formed.
【００１５】 このように形成された連結ピン１１を外駒１，２の袋穴４に圧入すると、圧入 過程で、袋穴４の内部の空気が切欠き部１２を経て漏出することにより、連結ピ ン１１は座屈変形を生じることなく容易に挿入することができ、しかも、中駒３ の貫通穴５を連結ピン１１の外径に対して最小のクリアランスを確保するよう形 成することができ、これらの間のがたつきをなくしてバンドをより高級感のある ものとして構成することができる。When the connecting pin 11 formed as described above is pressed into the blind hole 4 of the outer piece 1 or 2, the air inside the blind hole 4 leaks through the notch 12 during the press-fitting process, thereby connecting the connecting pin 11. The pin 11 can be easily inserted without buckling deformation, and the through hole 5 of the intermediate piece 3 is formed so as to secure a minimum clearance with respect to the outer diameter of the connecting pin 11. It is possible to make the band more luxurious by eliminating the play between them.
【００１６】 （実験例１） 硬度がＨｖ１８０の外駒１，２に、硬度がＨｖ３４５、外径が１．２９±０． ０１ｍｍ、長さが１７ｍｍ、切欠き部１２の段差が周面１３から０．０５ｍｍで 長さが端面１４から２．３ｍｍ、最大許容径差が０．０６ｍｍ、最小許容径差が ０．０２ｍｍ、圧入長さが連結ピン１１の端面１４から１．８ｍｍの連結ピン１ １を圧入した試料数４０の第１の圧入実験では、最大許容径差における戻り量（ 平均値）と最小許容径差における戻り量（平均値）との差が片側の圧入状態で０ ．０２ｍｍ以下であって、ロ−レットピンを使用した場合の１／４に抑えること ができ、また、径差を０．０２ｍｍ、０．０４ｍｍ、０．０６ｍｍに変えて、同 一条件下で実験したところ、連結ピン１１に座屈変形は生じなかった。(Experimental Example 1) The outer pieces 1 and 2 having a hardness of Hv180 have a hardness of Hv345 and an outer diameter of 1.29 ± 0. 01 mm, length 17 mm, notch 12 has a step difference of 0.05 mm from peripheral surface 13, length 2.3 mm from end surface 14, maximum allowable diameter difference 0.06 mm, minimum allowable diameter difference 0.02 mm, In the first press-fitting experiment of 40 samples, in which the connecting pin 11 whose press-fitting length is 1.8 mm from the end face 14 of the connecting pin 11 is pressed, the return amount (average value) at the maximum allowable diameter difference and the minimum allowable diameter difference at the minimum allowable diameter difference are determined. The difference from the return amount (average value) is 0. It was less than 02 mm, which could be reduced to 1/4 of that when a knurl pin was used, and the experiment was performed under the same conditions with the diameter difference changed to 0.02 mm, 0.04 mm, and 0.06 mm. However, no buckling deformation occurred in the connecting pin 11.
【００１７】 （実験例２） また、硬度がＨｖ３２０の外駒１，２に、硬度がＨｖ３４５、外径が１．２９ ±０．０１ｍｍ、長さが１８ｍｍ、切欠き部１２の段差量が周面１３から０．１ ｍｍで長さが端面１４から３ｍｍ、径差が０．０２ｍｍ、０．０４ｍｍ、０．０ ６ｍｍ、圧入長さが端面１４から２．３ｍｍの連結ピン１１を圧入させたところ 、連結ピン１１に座屈変形は生じなかった。(Experimental Example 2) In addition, the outer pieces 1 and 2 having a hardness of Hv320 have a hardness of Hv345, an outer diameter of 1.29 ± 0.01 mm, a length of 18 mm, and a step amount of the notch portion 12 of which is circumferential. A connecting pin 11 having a diameter of 0.1 mm from the surface 13, a length of 3 mm from the end face 14, a diameter difference of 0.02 mm, 0.04 mm, 0.06 mm, and a press-fit length of 2.3 mm from the end face 14 was press-fitted. However, no buckling deformation occurred in the connecting pin 11.
【００１８】 （実験例３） さらに、硬度がＨｖ１８０の外駒１，２に、硬度がＨｖ３４５、外径が１．２ ９±０．０１ｍｍ、長さが１７ｍｍ、切欠き部１２の段差量が周面１３から０． ０５ｍｍで長さが端面１４から１．３ｍｍ、最大許容径差が０．０６ｍｍ、最小 許容径差が０．０２ｍｍ、圧入長さが端面１４から１．８ｍｍの連結ピン１１を 圧入した第２の実験においても、最大許容径差における戻り量（平均値）と最小 許容径差における戻り量（平均値）との差が片側の圧入状態で０．０２ｍｍ以下 であって、ロ−レットピンを使用した場合の１／４に抑えることができ、したが って外駒１、２と中駒３との間のすきま６、７をバンド関成体として０．０５〜 ０．１４ｍｍに抑えることが可能となり、また、座屈変形も発生じなかった。(Experimental Example 3) Further, the outer pieces 1 and 2 having a hardness of Hv180 have a hardness of Hv345, an outer diameter of 1.29 ± 0.01 mm, a length of 17 mm, and a step amount of the notch 12. From peripheral surface 13 to 0. A second press-fitted connection pin 11 having a length of 05 mm, a length of 1.3 mm from the end face 14, a maximum allowable diameter difference of 0.06 mm, a minimum allowable diameter difference of 0.02 mm, and a press-fit length of 1.8 mm from the end face 14. Also in the experiment, the difference between the return amount (average value) at the maximum allowable diameter difference and the return amount (average value) at the minimum allowable diameter difference was 0.02 mm or less in a press-fit state on one side, and a knurl pin was used. In this case, the gaps 6 and 7 between the outer pieces 1 and 2 and the middle piece 3 can be reduced to 0.05 to 0.14 mm as a band member. Also, no buckling deformation occurred.
【００１９】 この結果を踏まえ、長手方向全長にわたって径を等しくした連結ピンを使用し ても同様の結果が得られるのかを確認すべく第３の圧入実験を実施した。結果は 、硬度がＨｖ１８０の外駒１，２に、硬度がＨｖ３４５、外径が１．２９±０． ０１ｍｍ、長さが１７ｍｍ、最大許容径差が０．０６ｍｍ、最小許容径差が０． ０２ｍｍ、圧入長さが端面から１．８ｍｍの連結ピン１１を圧入する第３の実験 を実施したところ、最大許容径差における戻り量（平均値）と最小許容径差にお ける戻り量（平均値）の差が片側の圧入状態で０．０６ｍｍとなって３倍も大き い状態となり、ロ−レットピンを使用した場合の３／４となった。これは、第２ の実験では、連結ピン１１を圧入していく過程で袋穴４の内部に残留する空気の 大部分が切欠き部１２を通して逃げてゆく関係上、連結ピン１１と袋穴４の間に は小さな圧力しか発生しないため、戻り量を小さく抑えることができるのに対し 、第３の実験では、圧入過程で、内部が密閉状態となるため、ボイル・シャルル の法則により内部空間が高圧となって、この圧力によって戻り量が大きくなるこ とを意味する。Based on the results, a third press-fitting experiment was performed to confirm whether the same result could be obtained by using a connecting pin having the same diameter over the entire length in the longitudinal direction. The result is that the outer pieces 1 and 2 having the hardness of Hv180 have the hardness of Hv345 and the outer diameter of 1.29 ± 0. 01 mm, length 17 mm, maximum allowable diameter difference of 0.06 mm, minimum allowable diameter difference of 0. A third experiment of press-fitting a connecting pin 11 having a press-fit length of 1.8 mm from the end face with a press-fit length of 02 mm was performed. Value) was 0.06 mm in a press-fit state on one side, which was three times as large, and was ／ of that when a knurl pin was used. This is because, in the second experiment, most of the air remaining inside the blind hole 4 in the process of press-fitting the connecting pin 11 escapes through the notch 12, so that the connecting pin 11 and the blind hole 4 During the press-in process, the internal space is closed during the press-fitting process, so that the internal space is reduced according to Boyle-Charles' law. High pressure means that the amount of return is increased by this pressure.
【００２０】 以上は、周面の一部を平坦に削り落として形成した連結ピンの例によって本考 案を説明したものであるが、切欠き部の形状は、Ｖ溝やＵ溝でも良いし、また、 長手方向全長にわたって形成したものでも良く、切欠き部を長手方向全長にわた って形成する場合は、バンド完成体において連結ピンと中駒のがたのばらつきを 小さくすることができるため、長手方向軸線に対し螺旋状に形成することが好ま しい。Although the present invention has been described above with reference to an example of a connecting pin formed by flattening a part of the peripheral surface, the shape of the notch may be a V-groove or a U-groove. Also, the notch may be formed over the entire length in the longitudinal direction.If the notch is formed over the entire length in the longitudinal direction, it is possible to reduce the variation between the connecting pin and the middle piece in the completed band. It is preferable to form a spiral with respect to the direction axis.
【００２１】[0021]
以上述べたように本考案によれば、長手方向全長にわたって同一径の連結ピン の両端に、外駒の袋穴の径よりも小さい切欠き部を少なくとも周面の一部に設け たので、 （１）許容径差を容易に確保でき、層別が不要で、実用上座屈変形も発生しない 安定した高品質のバンドを低コストで提供でき、 （２）中駒の貫通穴の内径を連結ピンの外径に対して最小のクリアランスをもっ て成形することができて、バンドの完成時に、中駒と連結ピンのバンド長手方向 におけるがたつきを小さく抑えられることができ、 （３）圧入時に袋穴内に残留する空気の量を少なくすることができて、完成時の バンドの外駒と中駒との間のすきまのばらつきを小さくするすることができ、 （４）更には、連結ピンの形状が簡単で、材質の制約を受けることなく成形する ことができて、合金チタン等による高級感のあるバンドを成形することができる 。 As described above, according to the present invention, at both ends of the connecting pin having the same diameter over the entire length in the longitudinal direction, notches smaller than the diameter of the blind hole of the outer piece are provided on at least a part of the peripheral surface. ) An allowable diameter difference can be easily secured, no stratification is required, and practically no buckling deformation occurs. A stable, high-quality band can be provided at low cost. (2) The inner diameter of the through hole of the center piece is outside the connecting pin. It can be formed with the minimum clearance to the diameter, and when the band is completed, the backlash between the center piece and the connecting pin in the longitudinal direction of the band can be kept small. The amount of air remaining in the band can be reduced, and the variation in the clearance between the outer and middle pieces of the band at the time of completion can be reduced. (4) Furthermore, the shape of the connecting pin Simple, no material constraints Thus, a high-grade band made of titanium alloy or the like can be formed.
【図１】本考案の一実施例を示す腕時計用バンドの断面
図である。FIG. 1 is a sectional view of a wristwatch band showing an embodiment of the present invention.
【図２】同上バンドの連結ピンの要部を示した斜視図で
ある。FIG. 2 is a perspective view showing a main part of a connecting pin of the band.
１，２ 外駒 ３ 中駒 ４ 袋穴 ５ 貫通穴 ６，７ すきま １１ 連結ピン １２ 切欠き部 １３ 周面 1, 2 outer piece 3 middle piece 4 blind hole 5 through hole 6, 7 clearance 11 connecting pin 12 notch 13 peripheral surface
Claims (3)
することにより外駒と中駒とを連結して構成される腕時
計用バンドにおいて、上記連結ピンを長手方向全長にわ
たって同一径に形成するとともに、両端の圧入部の周面
に、径方向の寸法が前記袋穴の径よりも小さな切欠き部
を少なくとも一個所設けたことを特徴とする腕時計用バ
ンド。1. A wristwatch band formed by connecting a connecting pin to a blind hole provided in an outer piece by press-fitting the connecting pin into a blind hole, wherein the connecting pin has the same diameter over the entire length in the longitudinal direction. A band for a wristwatch, wherein at least one notch having a radial dimension smaller than the diameter of the blind hole is provided on a peripheral surface of a press-fit portion at both ends.
部の長さよりも長く形成したことを特徴とする請求項１
記載の腕時計用バンド。2. The notch portion is formed to have a length longer than a length of a press-fit portion of the blind hole.
Watch band as described.
部の長さよりも短く形成したことを特徴とする請求項１
記載の腕時計用バンド。3. The length of the notch is shorter than the length of the press-fit portion of the blind hole.
Watch band as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1998007802U JP3058276U (en) | 1998-10-07 | 1998-10-07 | Watch band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1998007802U JP3058276U (en) | 1998-10-07 | 1998-10-07 | Watch band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP3058276U true JP3058276U (en) | 1999-06-18 |
Family
ID=43192192
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1998007802U Expired - Lifetime JP3058276U (en) | 1998-10-07 | 1998-10-07 | Watch band |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3058276U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112814A (en) * | 2007-11-06 | 2009-05-28 | Rolex Sa | Strap with articulated link |
| JP2015217273A (en) * | 2014-05-13 | 2015-12-07 | 日本精密株式会社 | Band of piece connection structure |
| JP2018114104A (en) * | 2017-01-18 | 2018-07-26 | 株式会社バンビ | Connection pin and connection structure of band piece |
-
1998
- 1998-10-07 JP JP1998007802U patent/JP3058276U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009112814A (en) * | 2007-11-06 | 2009-05-28 | Rolex Sa | Strap with articulated link |
| JP2015217273A (en) * | 2014-05-13 | 2015-12-07 | 日本精密株式会社 | Band of piece connection structure |
| JP2018114104A (en) * | 2017-01-18 | 2018-07-26 | 株式会社バンビ | Connection pin and connection structure of band piece |
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