JP4724962B2 - One-way clutch - Google Patents

One-way clutch Download PDF

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Publication number
JP4724962B2
JP4724962B2 JP2001204302A JP2001204302A JP4724962B2 JP 4724962 B2 JP4724962 B2 JP 4724962B2 JP 2001204302 A JP2001204302 A JP 2001204302A JP 2001204302 A JP2001204302 A JP 2001204302A JP 4724962 B2 JP4724962 B2 JP 4724962B2
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JP
Japan
Prior art keywords
spring
cage
way clutch
retainer
largest
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 - Fee Related
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JP2001204302A
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JP2003021174A (en
Inventor
義久 三浦
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JTEKT Corp
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JTEKT Corp
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Priority to JP2001204302A priority Critical patent/JP4724962B2/en
Priority to US10/188,360 priority patent/US6892868B2/en
Priority to EP02014859A priority patent/EP1273816B1/en
Priority to KR1020020038780A priority patent/KR100642348B1/en
Publication of JP2003021174A publication Critical patent/JP2003021174A/en
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Description

【０００１】
【発明の属する技術分野】
この発明は、一方向クラッチ、特に、保持器を外輪に圧入する際、保持器にかかる反力にムラがあってもスプリングをへたらせることなくスプラグを適正に付勢することの出来る一方向クラッチに関する。
【０００２】
【従来の技術】
内輪と外輪との間の動力の伝達及び遮断の繰り返しに際しては、通常、これら内・外輪間に一方向クラッチを配置して行う。かかる一方向クラッチは、図６に示すように、通常、保持器１３とスプリング（通常、リボンスプリングが使用される）１４と、スプラグ１５で構成され、外輪１１と内輪１２との環状空間２０に配置される。そして、外輪１１と内輪１２との相対回転により、動力伝達時に一方向へ回転すると、スプラグ１５が楔作用して外輪１１と内輪１２とは一体回転（ロック）し、他方向へ回転すると楔作用が解除され、空転して動力の伝達は遮断（ロック解除）される。尚、保持器には、外保持器と内保持器との二つの保持器を配置し、ロック時とロック解除時にそれぞれ相対回転させるものもある。
【０００３】
図７は、鍔部２３ｆ付の保持器２３とスプリング２４とスプラグ２５とで構成される一方向クラッチであるが、かかる一方向クラッチでは、保持器２３と外輪回転とを同期させるため、保持器２３にしめしろを持たせて外輪（図示省略）に圧入することが多い。そのため保持器２３の外径（鍔部２３ｆ外径）を外輪の軌道面の内径より若干大きくして圧入嵌合させ、固定力を持たせた一方向クラッチとする。しかし、保持器２３と外輪の内周面との圧入による圧力で保持器２３が外輪に対して偏心し、スプラグ２５と保持器２３のポケットとのクリアランスが狭くなる、という問題がある。そこでこのような事態を回避するため、保持器２３の鍔部２３ｆを周方向に等間隔に切除して切込２３ｃを設ける提案がなされている（登録実用新案第２５９８５００号）。或いは、外輪に若干楕円形の保持器を圧入して固定し、外輪と保持器とが一体に動作するようにした構成が開示されている（実公平６−１０２３３号）。
【０００４】
【発明が解決しようとする課題】
一方向クラッチでは、図６にも示すように、スプラグ１５を保持する保持器１３の内径側にスプリング１４を配置し、該スプリング１４の舌片部１４ｔでスプラグ１５を常にロックする側に付勢している。しかし、外輪１１と同期して保持器１３を動作させるため、若干長円状とした保持器１３を外輪１１の内周面（軌道面）１１ａに圧入すると、特に、保持器１３の長円部分の圧入による反力のため、スプリング１４が径方向中心に向かって局部的に大きく変形することになる。従って、スプリング１４の舌片部１４ｔによって予応力を与えられていたスプラグ１５のスプリング１４の舌片部１４ｔから作用している付勢力が弱まり、スプリングの変形の大きい位置では、スプラグ１５の傾斜、姿勢が空転方向に大きく傾斜する結果となる。そのため、空転位置から噛合位置になる際、スプリングの舌片部１４ｔの変位量が大きくなって、スプリング舌片部がへたり易くなり、従って、一方向クラッチの噛み合い不良を起こす、という問題があった。
【０００５】
この発明は、上記する課題に対処するためになされたものであり、保持器と外輪とのしめしろが大きくなっても、スプリング舌片部のばね力が弱まることがなく、適正なばね力を維持して外輪と保持器との同期性を確保し、且つコストアップをともなわない一方向クラッチを提供することを目的としている。
【０００６】
【課題を解決するための手段】
即ち、この発明は、上記する課題を解決するために、請求項１に記載の発明は、保持器と、該保持器の内径側に沿うように配置したスプリングと、前記保持器及び前記スプリングのポケットに嵌め入れたスプラグとを備え、前記保持器を外輪内周面に圧入嵌合して成る一方向クラッチにおいて、
前記保持器には、一部を長円形としたフランジを設け、
前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分の剛性を他の位置より大きくしてあることを特徴とする。
【０００７】
また、請求項２に記載の発明は、前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分は、一方の端部と他方の端部とを一部を重ね合わせることにより剛性を大きくしてあることを特徴とする。
【０００８】
また、請求項３に記載の発明は、前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分を焼入れにより他の部分より剛性を大きくしてあることを特徴とする。
【０００９】
【発明の実施の形態】
以下、この発明の具体的な実施の形態について図面を参照して説明する。
図１は、この発明の一方向クラッチの側面図、図２は図１のＡーＡ矢視断面図、図３は図１のＰ部拡大断面図である。また、図４は、図２のスプリング部分の拡大図であって、重複部分を説明するための図である。図５は、この発明の一方向クラッチで使用されるスプリングの全体斜視図である。
【００１０】
この一方向クラッチは、保持器３と、該保持器３の内径側に沿うように配置したスプリング（リボンスプリング）４と、前記保持器３のポケット３ｐ，３ｐ，・・に嵌め入れたスプラグ５，５，・・とで構成され、外輪１と内輪２との間の環状空間１０に配置される。前記保持器３は、片側にフランジ部３ｆが形成されている。前記保持器３のフランジ部３ｆは、その外周面３ｅが外輪１の内周面１ａ（軌道面１ａともいう）に圧入嵌合されるが、確実に圧入固定されるよう一部を長円形としてある。尚、以下の説明では、保持器３が一つの場合について説明するが、通常よく使用される外保持器と内保持器の二つの保持器を使用する一方向クラッチにも適用可能である。また、前記保持器３の両側にフランジ部を形成してもよいが、その場合には片側のフランジを短円の径よりも小さい外径とする。
【００１１】
前記スプリング４は、図５に示すように、保持器３とほぼ同様の形状をなすものであり、両側環状部４ａ、４ａと、これら環状部（４ａ，４ａ）を周方向一定間隔でつなぐ柱部４ｂと、これら環状部（４ａ，４ａ）と柱部４ｂによって形成されスプラグ５を配置するポケット部４ｐ，４ｐ，・・と、柱部４ｂからポケット部４ｐ方向に突出し、スプラグ５を付勢する舌片部４ｔと、で構成されている。該スプリング４は、薄い金属板をプレス加工により打ち抜き製作され、円環状とするが、後述するように、端部と端部の一部を重ね併せることによりこの部分の剛性を大きくしてある。
【００１２】
上記するように、保持器３のフランジ部３ｆを外輪１の軌道面１ａに圧入したとき、図１のＰ部で示す保持器３の鍔部の長円部分３ｃは、しめ代が最も大きくなるため、この部分の保持器３の変位量が局部的に大きくなる。通常、このような場合、該保持器３の内径側に沿わせて配置したスプリング４の変位量が小さくなる。従って、スプラグ５をロックする側に付勢しているスプリング４の舌片部４ｔの変位量も小さくなるため該舌片部４ｔによりスプラグ５に作用する予応力が小さくなる。そこで、このような事態を防止するため、図４及び図５に示すように、該スプリング４の一方の端部４ｃと他方の端部４ｄとを重ね合わせた一部重ね合わせ部６を設けることにより、スプリング４の剛性（ばね力）を大きくしてある（図４は、スプリング４の説明上、一方の端部と他方の端部とは離した図としてある）。このように、重ね合わせ部分の剛性（ばね力）が大きくなると、例え保持器３の長円部分３ｃの変位量が大きくなり、スプリング４の舌片部４ｔの変位量が小さくなっても、スプラグ５に作用する予応力を確保できる。そのためスプラグ５が空転方向に大きく変位することはなく、空転位置から噛合位置になる際にも通常どおりすべてのスプラグ５は同期して作動する。
【００１３】
この発明の一方向クラッチは、保持器３に記載の外輪１の軌道面１ａに圧入するとき長円部分３ｃを圧入したときの反力に伴う保持器及びスプリング４の舌片部４ｔの変位によってスプラグ５に作用する付勢力が小さくなり、スプラグ５の姿勢が自由回転側により過ぎるのを防止する点にある。即ち、保持器３の長円部分３ｃの圧入によって生じるスプリング４のへたりを防止するためスプリング４の一部を二重構造とすることによってスプリング４の一部の剛性を大きくするものである。このようにスプリング４の一部の剛性を大きくためには、一部を二重構造とする他、局部的（圧入反力の大きくなる位置となる部分）に焼入れ条件を変更し、この部分の剛性が大きくなるようにしてもよい。更に、スプリング４の一部の形状を変更して剛性を大きくしてもよい。また、保持器３のしめ代最大部の識別には、プレス成形時に実施する製造記号等のマーキング等を利用して行えば、スプリングの重ね合わせ部を適正な位置に組み込むことが可能であり、組立時間違いを起こすことなく確実に組み込むことができるので便利である。
【００１４】
【発明の効果】
以上、詳述したように、この発明の一方向クラッチによれば、保持器と外輪のしめ代最大位置にあるリボンスプリングの舌片部のばね力が強化されるので、舌片部のへたりが抑制され、そのため噛み合い不良を防止することができる。また、この一方向クラッチは、コストアップを招くことなく適正にばね力を強化することができる。更に、保持器にしめ代最大位置の識別に従来のマーキングを利用することができるのでコストアップを避けることができる。
【００１５】
【図面の簡単な説明】
【図１】 この発明の一方向クラッチの側面図である。
【図２】 この発明の一方向クラッチを示す図１のＡーＡ矢視断面図である。
【図３】 この発明の一方向クラッチを示す図１のＰ部拡大断面図である。
【図４】 この発明の一方向クラッチを構成するリボンスプリング部分の拡大図であって、重複部分を説明するための図である。
【図５】 この発明の一方向クラッチを構成するリボンスプリングの全体斜視図である。
【図６】 従来の一方向クラッチを構成するスプラグと保持器とリボンスプリングの構成を示す図である。
【図７】 従来の一方向クラッチの側面図の例である。
【００１６】
【符号の説明】
１ 外輪
１ａ 外輪内周面（軌道面）
２ 内輪
３ 保持器
３ｐ 保持器ポケット
４ スプリング
４ｐ スプリングポケット
４ｔ スプリング舌片部
５ スプラグ
６ スプリング重ね合わせ部[0001]
BACKGROUND OF THE INVENTION
The present invention provides a one-way clutch, and in particular, a one-way that can properly bias the sprag without causing the spring to spring even when the reaction force applied to the cage is uneven when the cage is press-fitted into the outer ring. Regarding the clutch.
[0002]
[Prior art]
When repeatedly transmitting and shutting off the power between the inner ring and the outer ring, a one-way clutch is usually arranged between the inner and outer rings. As shown in FIG. 6, the one-way clutch is usually composed of a cage 13, a spring (usually a ribbon spring is used) 14, and a sprag 15, and is formed in an annular space 20 between the outer ring 11 and the inner ring 12. Be placed. When the outer ring 11 and the inner ring 12 rotate in one direction due to the relative rotation of the outer ring 11 and the inner ring 12, the sprag 15 acts as a wedge and the outer ring 11 and the inner ring 12 rotate integrally (lock), and when rotated in the other direction, the wedge action. Is released, idles and power transmission is cut off (unlocked). In some cases, two cages, that is, an outer cage and an inner cage, are arranged to rotate relative to each other when locked and unlocked.
[0003]
FIG. 7 shows a one-way clutch composed of a cage 23 with a flange 23f, a spring 24, and a sprag 25. In the one-way clutch, the cage 23 is synchronized with the rotation of the outer ring. In many cases, 23 is interference-fitted into the outer ring (not shown). Therefore, the outer diameter of the retainer 23 (outer diameter of the flange portion 23f) is slightly larger than the inner diameter of the raceway surface of the outer ring and is press-fitted to provide a one-way clutch having a fixing force. However, there is a problem that the cage 23 is eccentric with respect to the outer ring due to the pressure caused by the press-fitting between the cage 23 and the inner peripheral surface of the outer ring, and the clearance between the sprag 25 and the pocket of the cage 23 becomes narrow. Therefore, in order to avoid such a situation, a proposal has been made (registered utility model No. 2598500) in which the flanges 23f of the retainer 23 are cut at equal intervals in the circumferential direction to provide cuts 23c. Alternatively, a configuration is disclosed in which a slightly elliptical cage is press-fitted and fixed to the outer ring so that the outer ring and the cage operate integrally (Japanese Utility Model Publication No. 6-10233).
[0004]
[Problems to be solved by the invention]
In the one-way clutch, as shown in FIG. 6, a spring 14 is arranged on the inner diameter side of the retainer 13 that holds the sprag 15, and the sprag 15 is always urged to be locked by a tongue piece 14 t of the spring 14. is doing. However, in order to operate the cage 13 in synchronization with the outer ring 11, when the cage 13 having a slightly oval shape is press-fitted into the inner peripheral surface (track surface) 11 a of the outer ring 11, in particular, the oval portion of the cage 13 Therefore, the spring 14 is greatly deformed locally toward the radial center. Therefore, the biasing force acting from the tongue piece portion 14t of the spring 14 of the sprag 15 prestressed by the tongue piece portion 14t of the spring 14 is weakened, and the sprag 15 is inclined at a position where the deformation of the spring is large. As a result, the posture is greatly inclined in the idling direction. Therefore, when the idle position is changed to the meshing position, the amount of displacement of the spring tongue 14t is increased, and the spring tongue is liable to sag, and therefore, the one-way clutch is poorly meshed. It was.
[0005]
The present invention has been made to cope with the above-described problems. Even when the interference between the cage and the outer ring is increased, the spring force of the spring tongue portion is not weakened, and an appropriate spring force is obtained. An object of the present invention is to provide a one-way clutch that maintains the synchronism between the outer ring and the cage and does not increase the cost.
[0006]
[Means for Solving the Problems]
That is, in order to solve the above-described problems, the present invention includes a cage, a spring arranged along the inner diameter side of the cage, the cage, and the spring. A one-way clutch comprising a sprag fitted in a pocket and press-fitting the retainer to the inner peripheral surface of the outer ring,
The retainer is provided with a flange that is partially oval,
It said that you have the rigidity of the portion of the spring of the position of the oval portion of the flange said retainer Indian meal allowance is the largest and the reaction force becomes the largest larger than the other positions.
[0007]
Further, in the invention according to claim 2, the portion of the spring at the position of the ellipse portion of the flange where the clamping margin of the cage is the largest and the reaction force is the largest is the one end and the other end. you wherein you have to increase the rigidity by overlapping a portion of the part.
[0008]
According to a third aspect of the present invention, the portion of the spring at the position of the ellipse portion of the flange where the clamping allowance of the cage is the largest and the reaction force is the largest is hardened by hardening the other portions. it shall be the features of the the city are.
[0009]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.
1 is a side view of the one-way clutch of the present invention, FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1, and FIG. 3 is an enlarged cross-sectional view of a P portion of FIG. FIG. 4 is an enlarged view of the spring portion of FIG. 2 for explaining the overlapping portion. FIG. 5 is an overall perspective view of a spring used in the one-way clutch of the present invention.
[0010]
The one-way clutch includes a cage 3, a spring (ribbon spring) 4 disposed along the inner diameter side of the cage 3, and a sprag 5 fitted in the pockets 3 p, 3 p,. Are arranged in an annular space 10 between the outer ring 1 and the inner ring 2. The cage 3 has a flange portion 3f formed on one side. The outer peripheral surface 3e of the retainer 3 is press-fitted to the inner peripheral surface 1a (also referred to as the raceway surface 1a) of the outer ring 1, but a part of the flange portion 3f has an oval shape so as to be securely press-fitted and fixed. is there. In the following description, the case where there is one cage 3 will be described. However, the present invention can also be applied to a one-way clutch using two cages, an outer cage and an inner cage, which are commonly used. In addition, a flange portion may be formed on both sides of the cage 3, but in this case, the flange on one side has an outer diameter smaller than the diameter of the short circle.
[0011]
As shown in FIG. 5, the spring 4 has substantially the same shape as the cage 3, and both sides of the annular portions 4 a, 4 a and columns connecting these annular portions (4 a, 4 a) at regular intervals in the circumferential direction. Is formed by the portion 4b, the annular portions (4a, 4a) and the column portion 4b, and the sprags 5 are disposed in the pocket portions 4p, 4p,. And a tongue piece portion 4t. The spring 4 is formed by punching a thin metal plate by pressing, and has an annular shape. However, as will be described later, the end portion and a part of the end portion are overlapped to increase the rigidity of this portion.
[0012]
As described above, when the flange portion 3f of the retainer 3 is press-fitted into the raceway surface 1a of the outer ring 1, the oval portion 3c of the flange portion of the retainer 3 shown by P portion in FIG. For this reason, the amount of displacement of the cage 3 in this portion is locally increased. Usually, in such a case, the amount of displacement of the spring 4 arranged along the inner diameter side of the cage 3 becomes small. Accordingly, the amount of displacement of the tongue piece 4t of the spring 4 biased toward the locking side of the sprag 5 is also reduced, so that the prestress acting on the sprag 5 by the tongue piece 4t is reduced. Therefore, in order to prevent such a situation, as shown in FIGS. 4 and 5, a partially overlapping portion 6 is provided in which one end 4c and the other end 4d of the spring 4 are overlapped. Thus, the rigidity (spring force) of the spring 4 is increased (FIG. 4 is a diagram in which one end and the other end are separated from each other for the explanation of the spring 4). As described above, when the rigidity (spring force) of the overlapped portion is increased, even if the displacement amount of the oval portion 3c of the retainer 3 is increased and the displacement amount of the tongue piece portion 4t of the spring 4 is decreased, the sprags are reduced. 5 can be ensured. For this reason, the sprags 5 are not greatly displaced in the idling direction, and all the sprags 5 operate in synchronism as usual even when changing from the idling position to the meshing position.
[0013]
The one-way clutch of the present invention is based on the displacement of the retainer and the tongue 4t of the spring 4 due to the reaction force when the elliptical portion 3c is press-fitted when press-fitting into the raceway surface 1a of the outer ring 1 described in the retainer 3. The urging force acting on the sprag 5 is reduced, and the sprag 5 is prevented from being excessively moved toward the free rotation side. That is, the rigidity of a part of the spring 4 is increased by forming a part of the spring 4 in a double structure in order to prevent the spring 4 from sag caused by the press-fitting of the oval part 3 c of the cage 3. In order to increase the rigidity of a part of the spring 4 in this way, in addition to a part of the double structure, the quenching condition is changed locally (the part where the press-fitting reaction force is increased). The rigidity may be increased. Furthermore, the shape of a part of the spring 4 may be changed to increase the rigidity. In addition, the identification of the maximum interference allowance of the cage 3 can be performed by using a marking such as a manufacturing symbol performed at the time of press molding, etc., so that the overlapping portion of the spring can be incorporated at an appropriate position. This is convenient because it can be reliably assembled without causing a difference in assembly time.
[0014]
【The invention's effect】
As described above in detail, according to the one-way clutch of the present invention, since the spring force of the tongue portion of the ribbon spring at the maximum position of the retainer and the outer ring is reinforced, the sag of the tongue portion is increased. Is suppressed, and therefore, meshing failure can be prevented. In addition, the one-way clutch can appropriately strengthen the spring force without increasing the cost. Furthermore, since the conventional marking can be used for identifying the maximum position of the interference margin in the cage, an increase in cost can be avoided.
[0015]
[Brief description of the drawings]
FIG. 1 is a side view of a one-way clutch of the present invention.
FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 showing the one-way clutch of the present invention.
FIG. 3 is an enlarged cross-sectional view of a portion P in FIG. 1 showing a one-way clutch of the present invention.
FIG. 4 is an enlarged view of a ribbon spring portion constituting the one-way clutch of the present invention, and is a view for explaining overlapping portions.
FIG. 5 is an overall perspective view of a ribbon spring constituting the one-way clutch of the present invention.
FIG. 6 is a view showing a configuration of a sprag, a cage, and a ribbon spring constituting a conventional one-way clutch.
FIG. 7 is an example of a side view of a conventional one-way clutch.
[0016]
[Explanation of symbols]
1 Outer ring 1a Outer ring inner peripheral surface (track surface)
2 Inner ring 3 Cage 3p Cage pocket 4 Spring 4p Spring pocket 4t Spring tongue piece 5 Sprag 6 Spring overlap part

Claims (3)

保持器と、該保持器の内径側に沿うように配置したスプリングと、前記保持器及び前記スプリングのポケットに嵌め入れたスプラグとを備え、前記保持器を外輪内周面に圧入嵌合して成る一方向クラッチにおいて、
前記保持器には、一部を長円形としたフランジを設け、
前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分の剛性を他の位置より大きくしてあることを特徴とする一方向クラッチ。A retainer, a spring disposed along the inner diameter side of the retainer, and a sprag fitted in the retainer and a pocket of the spring, and the retainer is press-fitted to the inner peripheral surface of the outer ring. In the one-way clutch consisting of
The retainer is provided with a flange that is partially oval,
The one-way clutch characterized in that the rigidity of the spring portion at the position of the ellipse portion of the flange where the clamping margin of the cage is the largest and the reaction force is the largest is larger than the other positions. 前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分は、一方の端部と他方の端部とを一部を重ね合わせることにより剛性を大きくしてあることを特徴とする請求項１に記載の一方向クラッチ。The portion of the spring at the position of the ellipse portion of the flange where the clamping margin of the cage is the largest and the reaction force is the largest is rigid by overlapping one end and the other end. The one-way clutch according to claim 1, wherein the one-way clutch is increased. 前記保持器のしめ代が最も大きくかつ反力が最も大きくなる前記フランジの長円部分の位置の前記スプリングの部分を焼入れにより他の部分より剛性を大きくしてあることを特徴とする請求項１に記載の一方向クラッチ。2. The rigidity of the portion of the spring at the position of the ellipse portion of the flange where the clamping margin of the cage is the largest and the reaction force is the largest is made harder than the other portions by quenching. One-way clutch described in.
JP2001204302A 2001-07-05 2001-07-05 One-way clutch Expired - Fee Related JP4724962B2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2001204302A JP4724962B2 (en) 2001-07-05 2001-07-05 One-way clutch
US10/188,360 US6892868B2 (en) 2001-07-05 2002-07-03 One-way clutch
EP02014859A EP1273816B1 (en) 2001-07-05 2002-07-04 One-way clutch
KR1020020038780A KR100642348B1 (en) 2001-07-05 2002-07-05 One-way clutch

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JP2001204302A JP4724962B2 (en) 2001-07-05 2001-07-05 One-way clutch

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4959531B2 (en) * 2007-12-07 2012-06-27 Ｎｓｋワーナー株式会社 Sprag type one-way clutch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136631U (en) * 1986-02-20 1987-08-28
JPS63259225A (en) * 1986-12-12 1988-10-26 N S K Warner Kk One way clutch ribbon spring
JPH05503343A (en) * 1990-11-09 1993-06-03 ボルグ　―　ワーナー・オートモーティブ・ゲーエムベーハー Freewheel with clamping element with at least one plastic cage ring
JPH11182588A (en) * 1997-12-22 1999-07-06 Nsk Warner Kk Sprag type one-way clutch

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136631A (en) * 1985-12-10 1987-06-19 Minolta Camera Co Ltd Variable focal length camera

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62136631U (en) * 1986-02-20 1987-08-28
JPS63259225A (en) * 1986-12-12 1988-10-26 N S K Warner Kk One way clutch ribbon spring
JPH05503343A (en) * 1990-11-09 1993-06-03 ボルグ　―　ワーナー・オートモーティブ・ゲーエムベーハー Freewheel with clamping element with at least one plastic cage ring
JPH11182588A (en) * 1997-12-22 1999-07-06 Nsk Warner Kk Sprag type one-way clutch

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