JP2001304300A - One-way clutch - Google Patents

One-way clutch

Info

Publication number
JP2001304300A
JP2001304300A JP2000116747A JP2000116747A JP2001304300A JP 2001304300 A JP2001304300 A JP 2001304300A JP 2000116747 A JP2000116747 A JP 2000116747A JP 2000116747 A JP2000116747 A JP 2000116747A JP 2001304300 A JP2001304300 A JP 2001304300A
Authority
JP
Japan
Prior art keywords
rollers
way clutch
roller
elastic body
peripheral surface
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.)
Granted
Application number
JP2000116747A
Other languages
Japanese (ja)
Other versions
JP4136266B2 (en
Inventor
Isao Hori
勲 堀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Priority to JP2000116747A priority Critical patent/JP4136266B2/en
Priority to US09/781,314 priority patent/US6543592B2/en
Priority to DE10106802.6A priority patent/DE10106802B4/en
Publication of JP2001304300A publication Critical patent/JP2001304300A/en
Application granted granted Critical
Publication of JP4136266B2 publication Critical patent/JP4136266B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • One-Way And Automatic Clutches, And Combinations Of Different Clutches (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a one-way clutch excellent in torque transmission capacity and responsibility of clutch-in and out, easy to assemble and of a total roller type. SOLUTION: It is made possible to easily assemble the one-way clutch by smoothly building in a spring 6 without holding a tongue piece by slacking it by storing a roller 4 in a space between an outer ring 1 on an inner peripheral surface of which an inclined cam surface 2 is provided and an axis of rotation 3 in a total roller state, engaging the spring 6 to energize the roller 4 in a direction to be engaged with the cam surface 2 with a groove 5 of an inner peripheral surface of the outer ring 1 so as not to interpose it between the rollers 4, making all the rollers 4 constantly keep their contact states with each other, transmitting energizing force of the spring 6 certainly and instantly to all the rollers 4, forming a taper cut part on an end part in a direction along the groove 5 of the tongue piece 7 of the spring 6 and inserting this cut part in a build-in clearance making it run along a roller 4a.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】この発明は、ころを係合子と
して用いた一方向クラッチに関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a one-way clutch using rollers as engaging elements.

【0002】[0002]

【従来の技術】ころを係合子とする一方向クラッチとし
て、特開昭47−43645号公報に開示されたものが
ある。この一方向クラッチは、図13および図14に示
すように、外部中空部材(外方部材)51の内周面と内
部軸部材(内方部材)52の外周面との間に、ころ53
が相互に当接し合うように内部軸部材52を取り囲ん
で、いわゆる総ころ状態で収容され、各ころ53が外部
中空部材51の内周面に設けられた複数の傾斜カム面5
4に楔効果で一方向に係合されるようにしたものであ
る。外部中空部材51を時計回りに回転するか、または
内部軸部材52を反時計回りに回転するときに、各ころ
53が各カム面54に係合され、トルクが伝達される。
2. Description of the Related Art A one-way clutch using rollers as an engaging element is disclosed in Japanese Patent Application Laid-Open No. 47-43645. As shown in FIGS. 13 and 14, the one-way clutch includes a roller 53 between an inner peripheral surface of an outer hollow member (outer member) 51 and an outer peripheral surface of an inner shaft member (inner member) 52.
Surround the inner shaft member 52 so as to abut against each other, and are housed in a so-called full-roller state, and each roller 53 has a plurality of inclined cam surfaces 5 provided on the inner peripheral surface of the outer hollow member 51.
4 is designed to be engaged in one direction by a wedge effect. When the outer hollow member 51 is rotated clockwise or the inner shaft member 52 is rotated counterclockwise, each roller 53 is engaged with each cam surface 54, and torque is transmitted.

【0003】図13に示す一方向クラッチは、ころ53
が内部軸部材52の全周を囲む状態で収容され、外部中
空部材51または内部軸部材52が前記回転方向に回転
するときのこれらの回転部材ところ53との間の摩擦力
により、ころ53をカム面54に係合させるようにして
いる。この実施例ではいずれか一つのころ53に摩擦力
が作用すると、相互のころ53の係合で全てのころ53
がカム面54に係合されるとしている。
The one-way clutch shown in FIG.
Are accommodated so as to surround the entire periphery of the inner shaft member 52, and the rollers 53 are moved by the frictional force between the outer hollow member 51 or the inner shaft member 52 and the rotating members 53 when the inner shaft member 52 rotates in the rotation direction. The cam surface 54 is engaged. In this embodiment, when a frictional force acts on any one of the rollers 53, all rollers 53
Are engaged with the cam surface 54.

【0004】図14に示す一方向クラッチは、前記総こ
ろ状態で収容されたころ53の一つをばねローラ55で
置き換えたものであり、その弾性変形に伴う弾性力でば
ねローラ55と当接するころ53を押圧することによ
り、相互に当接し合う全てのころ53をカム面54に係
合させる。なお、ばねローラ55の替わりに、ゴム等の
弾性ローラや板ばね等の弾性体を使用してもよいとして
いる。
In the one-way clutch shown in FIG. 14, one of the rollers 53 housed in the full-roller state is replaced by a spring roller 55, and the one-way clutch comes into contact with the spring roller 55 by an elastic force accompanying its elastic deformation. By pressing the rollers 53, all the rollers 53 that come into contact with each other are engaged with the cam surface 54. It should be noted that instead of the spring roller 55, an elastic roller such as rubber or an elastic body such as a leaf spring may be used.

【0005】これらの総ころ形式の一方向クラッチは、
ころの配置本数を増加させてトルク伝達能力を増大する
とともに、ころの保持器を不要としてコンパクトな設計
を可能とすることを狙いとするものである。
[0005] These full-roller one-way clutches are:
It is an object of the present invention to increase the torque transmission capability by increasing the number of rollers arranged, and to enable a compact design by eliminating the need for roller retainers.

【0006】[0006]

【発明が解決しようとする課題】上述した従来の総ころ
形式の一方向クラッチは、以下の問題点を有する。すな
わち、図13に示した一方向クラッチは、前記摩擦力の
発生が不安定であるので、傾斜カム面にころを確実に係
合させることができず、クラッチが作用しない場合があ
る。
The conventional one-way clutch of the full complement type described above has the following problems. That is, in the one-way clutch shown in FIG. 13, since the generation of the frictional force is unstable, the rollers cannot be securely engaged with the inclined cam surface, and the clutch may not operate.

【0007】一方、図14に示した形式の一方向クラッ
チは、総ころ状態で収容されたころの間に介在するばね
ローラ等の弾性体が、弾性変形により過大に縮むことが
あるので、いずれかのころ同士の間、または弾性体とこ
ろとの間に隙間が生じ、前記弾性体の押圧力を確実、か
つ瞬時に全てのころに伝達することができず、トルク伝
達能力の低下や、クラッチ入切の遅れが生じる問題があ
る。
On the other hand, in the one-way clutch shown in FIG. 14, an elastic body such as a spring roller interposed between the rollers housed in a full-roller state may be excessively contracted due to elastic deformation. A gap is formed between the rollers or between the elastic members, and the pressing force of the elastic member cannot be reliably and instantaneously transmitted to all rollers. There is a problem that a delay in turning on and off occurs.

【0008】これらの問題点を解消するため、本発明者
は、特願2000−34811号に記載した一方向クラ
ッチを発明した。すなわち、この一方向クラッチは、係
合子としてのころをカム面に係合される方向へ付勢する
弾性体を外輪(外方部材)の内周面または内輪(内方部
材)の外周面に係止することにより、弾性体をころの間
に介在させず、総ころ状態で収容された全てのころが常
に直接または補助ころを介して相互の当接状態を保てる
ようにし、弾性体の付勢力を確実、かつ瞬時に全てのこ
ろに伝達できるようにしたものである。
In order to solve these problems, the present inventor has invented a one-way clutch described in Japanese Patent Application No. 2000-34811. That is, in the one-way clutch, an elastic body that urges a roller as an engagement element in a direction in which the roller is engaged with the cam surface is provided on the inner peripheral surface of the outer ring (outer member) or the outer peripheral surface of the inner ring (inner member). By locking, the elastic body is not interposed between the rollers, so that all the rollers housed in the full-roller state can always maintain the mutual contact state directly or through the auxiliary rollers, and the elastic body is attached. This is to ensure that power can be transmitted to all rollers instantly.

【0009】このような総ころ形式の一方向クラッチを
組み立てる際には、外方部材と内方部材の間にころを組
み込んだのち、前記ころを付勢する弾性体を軸方向から
挿入して、外方部材の内周面または内方部材の外周面に
係止している。このため、狭い隙間に弾性体を挿入する
ために、弾性体を撓ませて保持しながら挿入する必要が
あり、弾性体の組み込みに手間がかかる問題があった。
When assembling such a full-roller type one-way clutch, a roller is incorporated between an outer member and an inner member, and then an elastic body for urging the roller is inserted from the axial direction. , Are locked to the inner peripheral surface of the outer member or the outer peripheral surface of the inner member. For this reason, in order to insert the elastic body into the narrow gap, it is necessary to insert the elastic body while bending and holding the elastic body, and there has been a problem that it takes time to incorporate the elastic body.

【0010】また、ころの両端面を案内する側板は外方
部材や内方部材と分離されているので、一方向クラッチ
を組み立てる際に、組み込まれたころが抜け落ちやすい
問題もあった。
Further, since the side plates for guiding both end surfaces of the rollers are separated from the outer member and the inner member, there is a problem that the assembled rollers are likely to come off when assembling the one-way clutch.

【0011】そこで、この発明の課題は、トルク伝達能
力とクラッチ入切の応答性に優れ、かつ、組み立てが容
易な総ころ形式の一方向クラッチを提供することであ
る。
SUMMARY OF THE INVENTION It is an object of the present invention to provide a full-roller type one-way clutch which is excellent in torque transmission capability and responsiveness of clutch on / off and is easy to assemble.

【0012】[0012]

【課題を解決するための手段】上記の目的を達成するた
めに、この発明は、外方部材の内周面または内方部材の
外周面のいずれか一方に複数の傾斜カム面を設け、他方
を円筒面に形成し、前記各カム面と対向する位置にころ
を収容し、これらのころを係合子として弾性体により前
記カム面に係合される方向へ付勢した一方向クラッチに
おいて、前記各ころを周方向両側で、直接相互に当接さ
せるか、またはこれらのころよりも小径の補助ころを介
して相互に当接させて配し、前記カム面を設けた外方部
材の内周面または内方部材の外周面に、その軸方向に延
びる溝を少なくとも一つ設け、前記弾性体をこの溝に係
止して、その付勢力を前記相互に当接するころを介し
て、全てのころに伝達するようにし、前記溝に係止した
弾性体の、溝に沿う方向の端部を先細に形成した構成を
採用した(請求項1)。
In order to achieve the above object, the present invention provides a plurality of inclined cam surfaces on one of an inner peripheral surface of an outer member and an outer peripheral surface of an inner member. A one-way clutch in which rollers are accommodated at positions opposed to the respective cam surfaces, and these rollers are biased in a direction in which the rollers are engaged with the cam surfaces by elastic bodies. The respective rollers are brought into direct contact with each other on both sides in the circumferential direction, or are placed in contact with each other via auxiliary rollers having a smaller diameter than those rollers, and the inner periphery of the outer member provided with the cam surface is provided. On the surface or the outer peripheral surface of the inner member, at least one groove extending in the axial direction is provided, and the elastic body is locked in this groove, and all the urging forces are brought into contact with each other through the rollers. The elastic body engaged in the groove is transmitted along the groove. Employing the configuration to form the tapered end portion of the direction (claim 1).

【0013】すなわち、ころを付勢する弾性体を外方部
材の内周面または内方部材の外周面に係止し、弾性体を
ころの間に介在させず、全てのころが常に直接または補
助ころを介して相互の当接状態を保つようにして、弾性
体の付勢力を確実、かつ瞬時に全てのころに伝達可能と
するとともに、前記溝に係止する弾性体の軸方向端部を
先細に形成することにより、弾性体をこの先細の端部か
らその組み込み部の隙間に沿わせて挿入し、弾性体を強
制的に撓ませて保持することなくスムーズに組み込める
ようにした。
That is, the elastic body for urging the rollers is locked to the inner peripheral surface of the outer member or the outer peripheral surface of the inner member, and all the rollers are always directly or without the elastic body interposed between the rollers. By maintaining the mutual contact state via the auxiliary rollers, the urging force of the elastic body can be reliably and instantaneously transmitted to all the rollers, and the axial end of the elastic body locked in the groove. The elastic body is tapered so that the elastic body is inserted from the tapered end along the gap of the installation part, so that the elastic body can be smoothly assembled without being forcedly bent and held.

【0014】また、この発明は、外方部材の内周面また
は内方部材の外周面のいずれか一方に複数の傾斜カム面
を設け、他方を円筒面に形成し、前記各カム面と対向す
る位置にころを収容し、これらのころを係合子として弾
性体により前記カム面に係合される方向へ付勢した一方
向クラッチにおいて、前記各ころを周方向両側で、直接
相互に当接させるか、またはこれらのころよりも小径の
補助ころを介して相互に当接させて配し、前記カム面を
設けた外方部材の内周面または内方部材の外周面に、そ
の軸方向に延びる溝を少なくとも一つ設け、前記弾性体
をこの溝に係止して、その付勢力を前記相互に当接する
ころを介して、全てのころに伝達するようにし、これら
のころの両端面を案内する側板の少なくとも一方を、前
記外方部材または内方部材の端面に係止する手段を設け
た構成も採用した(請求項2)。
Further, according to the present invention, a plurality of inclined cam surfaces are provided on one of an inner peripheral surface of an outer member and an outer peripheral surface of the inner member, and the other is formed as a cylindrical surface. In a one-way clutch in which the rollers are accommodated in a position to be engaged, and these rollers are used as engaging elements and biased in a direction in which they are engaged with the cam surface by an elastic body, the rollers directly contact each other on both circumferential sides. Or these rollers are arranged so as to be in contact with each other via an auxiliary roller having a smaller diameter than the rollers, and the inner surface of the outer member provided with the cam surface or the outer surface of the inner member is disposed in the axial direction. At least one of the grooves is extended, the elastic body is locked in the groove, and the biasing force is transmitted to all the rollers through the contact with each other. At least one of the side plates for guiding the outer member or Structure in which a means for engaging the end face of the rectangular member was also employed (claim 2).

【0015】すなわち、ころを付勢する弾性体を外方部
材の内周面または内方部材の外周面に係止し、弾性体を
ころの間に介在させず、全てのころが常に直接または補
助ころを介して相互の当接状態を保つようにして、弾性
体の付勢力を確実、かつ瞬時に全てのころに伝達可能と
するとともに、ころの両端面を案内する側板の一方を外
方部材または内方部材の端面に係止する手段を設けるこ
とにより、ころの組み込み時にこの一方の側板を外方部
材または内方部材の端面に係止し、組み込まれるころの
抜け落ちを防止して、一方向クラッチの組み立てを容易
にした。
That is, the elastic body for urging the rollers is locked on the inner peripheral surface of the outer member or the outer peripheral surface of the inner member, and all the rollers are always directly or without the elastic body interposed between the rollers. By maintaining the mutual contact state via the auxiliary rollers, the urging force of the elastic body can be reliably and instantaneously transmitted to all the rollers, and one of the side plates that guides both end faces of the rollers is outward. By providing a means to be locked to the end surface of the member or the inner member, at the time of incorporating the rollers, this one side plate is locked to the end surface of the outer member or the inner member, to prevent the incorporated rollers from falling off, Easy assembly of one-way clutch.

【0016】前記側板を係止する手段は、側板の周方向
複数箇所に凸部を設け、この凸部を前記外方部材または
内方部材の端面に設けた凹部に係止するものを採用する
ことができる(請求項3)。
As the means for locking the side plate, a means for providing a convex portion at a plurality of positions in the circumferential direction of the side plate and locking the convex portion to a concave portion provided on an end surface of the outer member or the inner member is employed. (Claim 3).

【0017】前記弾性体としては、前記ころを押圧する
舌片を有する鋼板製のばねを採用することができる(請
求項4)。
As the elastic body, a spring made of a steel plate having a tongue for pressing the rollers can be employed.

【0018】前記補助ころを、前記弾性体が係止される
位置に介在させることにより(請求項5)、弾性体を係
止するスペースを広く確保し、より大寸法の弾性体を用
いて、前記ころの付勢力を大きくすることができる。
By interposing the auxiliary roller at a position where the elastic body is locked (claim 5), a large space for locking the elastic body is ensured, and a larger size elastic body is used. The biasing force of the roller can be increased.

【0019】前記ころの少なくとも1本を、前記ころと
外径が同じで、形状の異なる係合子で置換することによ
り(請求項6)、前記カム面および円筒面におけるグリ
ースやオイルの保持能力を向上させ、一方向クラッチの
空転トルクを低減することができる。
By replacing at least one of the rollers with an engaging member having the same outer diameter and a different shape as the rollers (Claim 6), the ability to retain grease and oil on the cam surface and the cylindrical surface is improved. It is possible to improve and reduce the idling torque of the one-way clutch.

【0020】前記形状の異なる係合子としては、前記こ
ろの円筒面に少なくとも1つの環状溝を設けた溝付きこ
ろ(請求項7)、および前記ころよりも長さが短い短尺
ころ(請求項8)を採用することができる。
As the engaging elements having different shapes, there are grooved rollers provided with at least one annular groove on the cylindrical surface of the rollers (claim 7), and short rollers having a shorter length than the rollers (claim 8). ) Can be adopted.

【0021】前記外方部材の外径に、トルク伝達手段を
一体に形成することにより(請求項9)、部品点数を減
らすとともに、クラッチの組み込み作業を簡素化するこ
とができる。
By forming the torque transmitting means integrally with the outer diameter of the outer member (claim 9), the number of parts can be reduced and the work of assembling the clutch can be simplified.

【0022】前記トルク伝達手段は、前記外方部材の外
径に形成した凹凸とすることができる(請求項10)。
[0022] The torque transmitting means may be an unevenness formed on an outer diameter of the outer member.

【0023】前記外方部材または内方部材の少なくとも
一方を、焼結金属で形成したもの(請求項11)、また
は鋼板を打ち抜き加工したもので形成したもの(請求項
12)とすることにより、外方部材や内方部材を安価に
製造することができる。
[0023] At least one of the outer member and the inner member is formed of a sintered metal (Claim 11) or formed by stamping a steel plate (Claim 12). The outer member and the inner member can be manufactured at low cost.

【0024】前記打ち抜き加工を、前記鋼板を外方部材
または内方部材の製品仕上がり寸法にファインブランキ
ングするものとすれば(請求項13)、シェービング等
の仕上げ加工を不要にできるとともに、熱処理時の熱ひ
ずみ発生の恐れも少なくすことができる。
If the blanking is performed by fine blanking the steel sheet to a finished product size of the outer member or the inner member (claim 13), finishing such as shaving can be omitted and heat treatment can be performed. Can also reduce the risk of thermal distortion.

【0025】[0025]

【実施の形態】以下、図1乃至図12に基づき、この発
明の実施形態を説明する。図1および図2は、第1の実
施形態を示す。この一方向クラッチは、図1に示すよう
に、外方部材としての焼結金属製の外輪1の内周面に複
数の傾斜カム面2が設けられ、これらのカム面2と内方
部材としての回転軸3の円筒面との間にころ4が総ころ
状態で収容されている。外輪1の内周面に設けられた溝
5には、弾性体としての鋼板製のばね6が係止され、そ
の舌片7に当接されたころ4aがカム面2で係合される
方向に押圧され、この舌片7の押圧による付勢力が相互
に当接するころ4を介して全てのころ4に伝達され、各
ころ4がカム面2で一方向に係合されるようになってい
る。各カム面2は、1つの平面で形成されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 and 2 show a first embodiment. In this one-way clutch, as shown in FIG. 1, a plurality of inclined cam surfaces 2 are provided on an inner peripheral surface of a sintered metal outer ring 1 as an outer member, and these cam surfaces 2 and the inner member The roller 4 is housed in a full-roller state between the rotating shaft 3 and the cylindrical surface. A spring 6 made of a steel plate as an elastic body is locked in a groove 5 provided on the inner peripheral surface of the outer ring 1, and a roller 4 a abutting on a tongue piece 7 is engaged with the cam surface 2 in a direction of engagement. , And the urging force generated by the pressing of the tongue piece 7 is transmitted to all the rollers 4 via the rollers 4 that come into contact with each other, and each roller 4 is engaged in one direction by the cam surface 2. I have. Each cam surface 2 is formed by one plane.

【0026】前記外輪1の外径にはトルク伝達手段とし
ての複数の突条8が一体に形成されており、この実施形
態では、回転軸3が時計回りに回転すると、全てのころ
4がカム面2で係合されて、回転軸3のトルクが外輪1
に伝達され、この外輪1に伝達されるトルクが突条8と
係合する部材に伝わる。回転軸3が反時計回りに回転す
る場合は、各ころ4とカム面2との係合が外れ、トルク
は伝達されず、空転状態となる。
The outer diameter of the outer ring 1 is integrally formed with a plurality of ridges 8 as torque transmitting means. In this embodiment, when the rotating shaft 3 rotates clockwise, all the rollers 4 become cams. The torque of the rotating shaft 3 is
And the torque transmitted to the outer race 1 is transmitted to the member that engages with the ridge 8. When the rotating shaft 3 rotates counterclockwise, the rollers 4 and the cam surface 2 are disengaged from each other, no torque is transmitted, and the idle state occurs.

【0027】図2(a)、(b)に示すように、ばね6
は、鋼板を曲げ加工して長細形状に形成されたものであ
り、前記舌片7の一端側がカットされ、このカット部9
が先細に形成されている。ばね6は、外輪1と回転軸3
の間に各ころ4を組み込んだのち、カット部9が形成さ
れた側を先端側として、外輪1の端面側から外輪1とこ
ろ4の間の隙間に挿入され、溝5に係止される。したが
って、先細のカット部9をころ4aの外周面に沿わせて
隙間に挿入することにより、舌片7が自然に撓み、舌片
7を強制的に撓ませて保持することなくスムーズにばね
6を組み込むことができる。
As shown in FIGS. 2A and 2B, the spring 6
Is formed by bending a steel plate into an elongated shape, and one end of the tongue piece 7 is cut.
Are tapered. The spring 6 includes the outer ring 1 and the rotating shaft 3.
After the rollers 4 are assembled between the outer ring 1 and the outer ring 1, the side where the cut portion 9 is formed is inserted into the gap between the outer ring 1 and the end 4 from the end face side of the outer ring 1 and locked in the groove 5. Therefore, by inserting the tapered cut portion 9 into the gap along the outer peripheral surface of the roller 4a, the tongue piece 7 is naturally bent, and the spring 6 is smoothly bent without forcibly bending and holding the tongue piece 7. Can be incorporated.

【0028】図3および図4は、第2の実施形態を示
す。図3に示すように、この一方向クラッチも外方部材
としての外輪1を焼結金属製としたものであり、ころ4
をカム面2で係合される方向に付勢する弾性体をゴム1
0とした点が第1の実施形態と異なる。その他の部分は
第1の実施形態と同じであるので、図1と同じ符号で表
示した。
FIGS. 3 and 4 show a second embodiment. As shown in FIG. 3, this one-way clutch also has an outer ring 1 as an outer member made of sintered metal.
The elastic body which urges the rubber member in the direction of engagement with the cam surface 2 is
It is different from the first embodiment in that it is set to 0. The other parts are the same as in the first embodiment, and are therefore denoted by the same reference numerals as in FIG.

【0029】図4(a)、(b)に示すように、ゴム1
0は、コーナ部を丸めた長細の角棒状とされ、その一端
側に先細のテーパ部11が形成されている。なお、1つ
のコーナは面取13が施されており、この隣のコーナ部
12aがころ4aに当接され、他の2つのコーナ部12
bが溝5に嵌め込まれる。面取13は、コーナ部12a
がころ4aとの当接で弾性変形したときに、ゴム10が
ころ4aと反対側のころ4に接触するのを防止するため
に施されている。
As shown in FIGS. 4A and 4B, the rubber 1
Numeral 0 is a long and thin rectangular rod having a rounded corner, and a tapered tapered portion 11 is formed at one end thereof. One corner is chamfered 13, the adjacent corner portion 12 a is in contact with the roller 4 a, and the other two corner portions 12
b is fitted into the groove 5. The chamfer 13 is the corner 12a
When the rubber 10 is elastically deformed by contact with the roller 4a, the rubber 10 is prevented from contacting the roller 4 on the side opposite to the roller 4a.

【0030】このゴム10も、外輪1と回転軸3の間に
各ころ4を組み込んだのち、テーパ部11を設けた側を
先端側として、外輪1の端面側から外輪1ところ4の間
の隙間に挿入され、溝5に係止される。したがって、先
細のテーパ部11が挿入に伴って隙間になじむように自
然に弾性変形し、ゴム10を無理に撓ませて保持するこ
となくスムーズに組み込むことができる。
The rubber 10 is also provided with the rollers 4 installed between the outer ring 1 and the rotating shaft 3, and the tapered portion 11 is defined as the tip side, and the rubber 10 is located between the outer ring 1 and the outer ring 1. It is inserted into the gap and locked in the groove 5. Accordingly, the tapered tapered portion 11 is naturally elastically deformed so as to fit into the gap as it is inserted, and the rubber 10 can be smoothly incorporated without being forcedly bent and held.

【0031】図5および図6は、第3の実施形態を示
す。図5に示すように、この一方向クラッチも外方部材
としての外輪1を焼結金属製としたものであり、その溝
34に係止する弾性体をコイルばね35とした点が上記
各実施形態と異なる。その他の部分は第1および第2の
実施形態と同じであるので、図1および図3と同じ符号
で表示した。
FIGS. 5 and 6 show a third embodiment. As shown in FIG. 5, this one-way clutch also has a structure in which the outer ring 1 as an outer member is made of a sintered metal, and the elastic body engaged in the groove 34 is a coil spring 35. Different from form. The other parts are the same as those of the first and second embodiments, and are therefore denoted by the same reference numerals as in FIGS. 1 and 3.

【0032】図6(a)、(b)に示すように、コイル
ばね35も一端側が先細に形成されており、この先細に
形成された側を先端側として、外輪1の端面側から外輪
1ところ4の間の隙間にスムーズに挿入され、溝34に
係止される。
As shown in FIGS. 6A and 6B, one end of the coil spring 35 is also tapered. However, it is smoothly inserted into the gap between 4 and locked in the groove 34.

【0033】図7乃至図9は、第4の実施形態を示す。
この一方向クラッチは、図7(a)、(b)に示すよう
に、外方部材としての外輪14と内方部材としての内輪
15が、鋼板をファインブランキングして形成されてお
り、内輪15の外周面に複数の傾斜カム面16が設けら
れ、これらのカム面16と外輪14の内周円筒面17と
の間に、ころ18が総ころ状態で相互に当接し合って収
容されている。
FIGS. 7 to 9 show a fourth embodiment.
In this one-way clutch, as shown in FIGS. 7A and 7B, an outer race 14 as an outer member and an inner race 15 as an inner member are formed by fine blanking a steel plate. A plurality of inclined cam surfaces 16 are provided on the outer peripheral surface of the roller 15, and between these cam surfaces 16 and the inner peripheral cylindrical surface 17 of the outer race 14, the rollers 18 are housed in contact with each other in a full roller state. I have.

【0034】前記外輪14の両端面には、ころ18の端
面を案内する側板19が取り付けられている。側板19
は、図8に示すように、ころ18が収容された空間を覆
うようにリング状に形成され、その片面側の外周端近く
に、周方向に90°の位相で4つの突起20が設けられ
ている。各側板19は、これらの突起20を外輪14の
両端面に設けられた環状の凹溝21に嵌め込んで係止す
ることにより、着脱可能に外輪14に取り付けられてい
る。
Side plates 19 for guiding the end surfaces of the rollers 18 are attached to both end surfaces of the outer race 14. Side plate 19
8, is formed in a ring shape so as to cover the space in which the rollers 18 are accommodated, and four projections 20 are provided near the outer peripheral end on one surface side at a phase of 90 ° in the circumferential direction. ing. Each side plate 19 is detachably attached to the outer ring 14 by fitting these projections 20 into annular concave grooves 21 provided on both end surfaces of the outer ring 14 and locking them.

【0035】前記内輪15の外周面には2ヵ所に溝22
が設けられ、各溝22に弾性体としての鋼板製のばね2
3が係止されており、その舌片24に当接されたころ1
8aがカム面16で係合される方向に押圧されている。
各ばね23の係止位置には、小径の補助ころ25が外輪
14側に押し当てられて、両側のころ18a、18bの
間に介在している。したがって、この補助ころ25の介
在部では、各ばね23の押圧によるカム面16と係合側
への付勢力が補助ころ25を介して伝達される。その他
の部分では、第1乃至第3の実施形態と同様に、相互に
当接するころ18を介して付勢力が全てのころ18に伝
達される。
The outer peripheral surface of the inner ring 15 has grooves 22 at two places.
Provided in each groove 22 is a spring 2 made of a steel plate as an elastic body.
3 is locked, and the roller 1 is brought into contact with the tongue piece 24.
8a is pressed in the direction in which the cam surface 16 is engaged.
A small-diameter auxiliary roller 25 is pressed against the outer ring 14 at the locking position of each spring 23 and is interposed between the rollers 18a and 18b on both sides. Therefore, in the interposed portion of the auxiliary roller 25, the urging force to the cam surface 16 and the engagement side by the pressing of each spring 23 is transmitted through the auxiliary roller 25. In other portions, the urging force is transmitted to all the rollers 18 via the rollers 18 that abut against each other, as in the first to third embodiments.

【0036】前記外輪14の外径にはトルク伝達手段と
しての複数の突条26が一体に形成され、内輪15内径
のコーナを丸められた矩形孔27に回転軸の軸端部が嵌
合されるようになっている。この実施形態では、内輪1
5が時計回りに回転するか、外輪14が反時計回りに回
転すると、全てのころ18がカム面16で係合され、内
輪15または外輪14がこれらと逆向きに回転すると、
係合が解除される。各カム面16は、2つの平面を組み
合わせて形成されている。
The outer diameter of the outer ring 14 is integrally formed with a plurality of ridges 26 as torque transmitting means, and the shaft end of the rotating shaft is fitted into a rectangular hole 27 having a rounded inner diameter of the inner ring 15. It has become so. In this embodiment, the inner ring 1
When 5 rotates clockwise or outer ring 14 rotates counterclockwise, all rollers 18 are engaged by cam surface 16 and when inner ring 15 or outer ring 14 rotates in the opposite direction,
The engagement is released. Each cam surface 16 is formed by combining two planes.

【0037】図9(a)、(b)に示すように、各ばね
23は、鋼板を曲げ加工して長細形状に形成されたもの
であり、舌片24の一端側は三角形状に内方へ折り曲げ
られ、この折り曲げ部28の形成により先細になってい
る。このばね23も、外輪14と内輪15の間に各ころ
18を組み込んだのち、折り曲げ部28が形成された側
を先端側として、内輪15と各ころ18a、18b、2
5との間の隙間に挿入され、各溝22に係止される。し
たがって、折り曲げ部28をころ18aの外周面に沿わ
せて挿入することにより、舌片24が自然に撓み、舌片
24を強制的に撓ませて保持することなくスムーズにば
ね23を組み込むことができる。
As shown in FIGS. 9A and 9B, each spring 23 is formed by bending a steel plate into an elongated shape, and one end of the tongue piece 24 has a triangular inner shape. And is tapered by the formation of the bent portion 28. The spring 23 also has the rollers 18 assembled between the outer ring 14 and the inner ring 15, and the inner ring 15 and the rollers 18 a, 18 b, 2
5 and is locked in each groove 22. Therefore, by inserting the bent portion 28 along the outer peripheral surface of the roller 18a, the tongue piece 24 is naturally bent, and the spring 23 can be smoothly incorporated without forcibly bending and holding the tongue piece 24. it can.

【0038】図10および図11は、第5の実施形態を
示す。この一方向クラッチは、図10に示すように、基
本的な構成は第4の実施形態と同じであり、前記各側板
19の突起20を係止する外輪14両端面の環状凹溝2
1の替わりに、4つの穴29が周方向に90°の位相で
設けられている点と、図11(a)、(b)に示すよう
に、総ころ状態で収容されたころ18が、外径が同じで
円筒面に環状溝30を有する溝付きころ31で1本おき
に置換されている点とが異なる。その他の部分は第4の
実施形態と同じであるので、図7と同じ符号で表示し
た。
FIGS. 10 and 11 show a fifth embodiment. As shown in FIG. 10, this one-way clutch has the same basic configuration as that of the fourth embodiment, and has annular concave grooves 2 at both end surfaces of the outer ring 14 for locking the projections 20 of the respective side plates 19.
Instead of 1, the four holes 29 are provided at a phase of 90 ° in the circumferential direction, and as shown in FIGS. 11A and 11B, the rollers 18 housed in the full-roller state are: The difference is that every other roller 31 is replaced by a grooved roller 31 having the same outer diameter and having an annular groove 30 in the cylindrical surface. The other parts are the same as in the fourth embodiment, and are therefore denoted by the same reference numerals as in FIG.

【0039】前記溝付きころ31は、ころ18を収容す
る空間を形成するカム面16や円筒面17におけるグリ
ースやオイルの保持能力を向上させるために置換したも
のである。この溝付きころ31は、必ずしも1本おきに
置換する必要はなく、適宜1本以上のころ18に対して
置換することにより、グリースやオイルの保持能力を向
上させ、一方向クラッチの空転トルクを低減することが
できる。
The grooved rollers 31 are replaced in order to improve the grease or oil holding ability on the cam surface 16 and the cylindrical surface 17 forming the space for accommodating the rollers 18. It is not always necessary to replace the grooved rollers 31 every other roller. By appropriately replacing one or more rollers 18, the ability to retain grease and oil is improved, and the idling torque of the one-way clutch is reduced. Can be reduced.

【0040】図12(a)、(b)は、図11に示した
ころ18の置換の変形例を示す。図12(a)は、ころ
18を1本おきに、外径が同じで長さが短い短尺ころ3
2で置換した例、(b)は、1本のころ18を、ころ1
8の外径と等しい2つのボール33で置換した例であ
る。
FIGS. 12A and 12B show a modification of the replacement of the rollers 18 shown in FIG. FIG. 12A shows a short roller 3 having the same outer diameter and a shorter length every other roller 18.
(B) shows an example in which one roller 18 is replaced with one roller
This is an example in which two balls 33 having the same outer diameter as 8 are replaced.

【0041】上述した第4および第5の実施形態では、
ころの両端面を案内する両側の側板を、外方部材として
の外輪に係止したが、内方部材としての内輪に係止する
こともでき、その係止をいずれか一方の側板のみとして
もよい。
In the above-described fourth and fifth embodiments,
The side plates on both sides for guiding both end surfaces of the roller are locked to the outer ring as the outer member, but can also be locked to the inner ring as the inner member, and the locking can be performed only on one of the side plates. Good.

【0042】上述した各実施形態では、ころと係合する
カム面を1つの平面または2つの平面を組み合わせたも
ので形成したが、曲面で形成することもできる。また、
各実施形態における総ころ状態のころは、厳密には相互
間に僅かの隙間を許容されており、この隙間の許容量
は、一方向クラッチの定格負荷時におけるころや内外輪
の弾性変位量以下に設定され、定格負荷時に全てのころ
が当接状態を保てるようになっている。
In each of the embodiments described above, the cam surface that engages with the rollers is formed by a single plane or a combination of two planes, but may be formed by a curved surface. Also,
Strictly, a small gap is allowed between the rollers in the full roller state in each embodiment, and the allowable amount of the gap is equal to or less than the elastic displacement of the rollers and the inner and outer rings at the time of the rated load of the one-way clutch. , So that all rollers can maintain the contact state at the rated load.

【0043】[0043]

【発明の効果】以上のように、この発明の一方向クラッ
チは、ころを付勢する弾性体を、外方部材の内周面また
は内方部材の外周面に設けた溝に、少なくとも1つ係止
し、弾性体を総ころ状態で収容されたころの間に介在さ
せずに、全てのころが常に直接または補助ころを介して
相互の当接状態を保つようにして、弾性体の付勢力を確
実、かつ瞬時に全てのころに伝達可能とするとともに、
前記溝に係止する弾性体の軸方向端部を先細に形成し
て、弾性体をこの先細の端部からその組み込み部の隙間
に沿わせて挿入し、弾性体を撓ませて保持することな
く、スムーズに組み込めるようにしたので、トルク伝達
能力とクラッチ入切の応答性に優れ、かつ、その組み立
ても容易に行うことができる。
As described above, according to the one-way clutch of the present invention, at least one elastic body for urging the rollers is provided in the groove provided on the inner peripheral surface of the outer member or the outer peripheral surface of the inner member. Lock the elastic body without interposing the elastic body between the rollers housed in full-roller state, and keep all rollers in contact with each other directly or via auxiliary rollers so that the elastic body is attached. While being able to transmit power to all rollers instantly,
An axial end of the elastic body to be locked in the groove is formed to be tapered, and the elastic body is inserted from the tapered end along the gap of the built-in portion, and the elastic body is bent and held. As a result, it is possible to assemble the clutch smoothly, so that the torque transmission capability and the response of clutch engagement and disengagement are excellent, and the assembly can be easily performed.

【0044】また、この発明の一方向クラッチは、ころ
を付勢する弾性体を外方部材の内周面または内方部材の
外周面に係止し、弾性体をころの間に介在させず、全て
のころが常に直接または補助ころを介して相互の当接状
態を保つようにして、弾性体の付勢力を確実、かつ瞬時
に全てのころに伝達可能とするとともに、ころの両端面
を案内する側板の少なくとも一方を、外方部材または内
方部材の端面に係止する手段を設けることにより、ころ
の組み込み時に一方の側板を外方部材または内方部材の
端面に係止し、組み込まれるころの抜け落ちを防止した
ので、同様に、トルク伝達能力とクラッチ入切の応答性
に優れ、かつ、その組み立ても容易に行うことができ
る。
Further, in the one-way clutch of the present invention, the elastic member for urging the rollers is locked to the inner peripheral surface of the outer member or the outer peripheral surface of the inner member, and the elastic member is not interposed between the rollers. , So that all rollers always keep contact with each other either directly or through auxiliary rollers, so that the urging force of the elastic body can be reliably and instantaneously transmitted to all rollers. By providing a means for locking at least one of the side plates to be guided to the end surface of the outer member or the inner member, one of the side plates is locked to the end surface of the outer member or the inner member at the time of assembling the rollers. Since the roller is prevented from falling off, the torque transmission capability and the response of clutch engagement and disengagement are similarly excellent, and the assembly can be easily performed.

【0045】さらに、前記弾性体の係止位置に、各ころ
よりも小径の補助ころを介在させることにより、弾性体
を係止するスペースを広く確保し、より大寸法の弾性体
を用いて、ころの付勢力を大きくすることができる。
Further, by providing an auxiliary roller having a smaller diameter than each roller at the locking position of the elastic body, a large space for locking the elastic body is secured, and a larger-sized elastic body is used. The biasing force of the rollers can be increased.

【0046】前記ころの少なくとも1本を、ころと外径
が同じで、形状の異なる係合子で置換することにより、
前記カム面および円筒面におけるグリースやオイルの保
持能力を向上させ、一方向クラッチの空転トルクを低減
することができる。
By replacing at least one of the rollers with an engaging member having the same outer diameter and a different shape as the roller,
The grease and oil holding capacity of the cam surface and the cylindrical surface can be improved, and the idling torque of the one-way clutch can be reduced.

【0047】前記外輪の外径に、トルク伝達手段を一体
に形成することにより、部品点数を減らすとともに、ク
ラッチの組み込み作業を簡素化することができる。
By forming the torque transmitting means integrally with the outer diameter of the outer ring, the number of parts can be reduced and the work of assembling the clutch can be simplified.

【0048】前記内輪や外輪に、焼結金属で形成したも
の、または鋼板を打ち抜き加工して形成したものを採用
することにより、クラッチの製造コストを下げることが
できる。
By employing a material formed of a sintered metal or a material formed by stamping a steel plate for the inner ring and the outer ring, the manufacturing cost of the clutch can be reduced.

【図面の簡単な説明】[Brief description of the drawings]

【図1】第1の実施形態の一方向クラッチを示す正面図FIG. 1 is a front view showing a one-way clutch according to a first embodiment;

【図2】aは図1のばねを示す正面図、bはaの側面図2A is a front view showing the spring of FIG. 1, and FIG. 2B is a side view of a.

【図3】第2の実施形態の一方向クラッチを示す正面図FIG. 3 is a front view showing a one-way clutch according to a second embodiment;

【図4】aは図3のゴムを示す正面図、bはaの側面図4A is a front view showing the rubber of FIG. 3, and FIG. 4B is a side view of a.

【図5】第3の実施形態の一方向クラッチを示す正面図FIG. 5 is a front view showing a one-way clutch according to a third embodiment;

【図6】aは図5のコイルばねを示す正面図、bはaの
側面図
6A is a front view showing the coil spring of FIG. 5, and FIG. 6B is a side view of a.

【図7】aは第4の実施形態の一方向クラッチを示す側
面断面図、bはaの側板を外した状態を示す正面図
7A is a side sectional view showing a one-way clutch according to the fourth embodiment, and FIG. 7B is a front view showing a state in which a side plate of FIG.

【図8】図7の側板を示す正面図FIG. 8 is a front view showing the side plate of FIG. 7;

【図9】aは図7のばねを示す正面図、bはaの側面図9A is a front view showing the spring of FIG. 7, and FIG. 9B is a side view of a.

【図10】第5の実施形態の一方向クラッチの側板を外
した状態を示す正面図
FIG. 10 is a front view showing a state where a side plate of the one-way clutch according to the fifth embodiment is removed.

【図11】aは図10の要部拡大正面図、bはaのころ
の展開図
11A is an enlarged front view of a main part of FIG. 10, and FIG.

【図12】a、bは、それぞれ図11のころの配置の変
形例を示す展開図
12A and 12B are development views showing modified examples of the arrangement of the rollers of FIG.

【図13】従来の一方向クラッチを示す一部省略断面図FIG. 13 is a partially omitted sectional view showing a conventional one-way clutch.

【図14】他の従来の一方向クラッチを示す一部省略断
面図
FIG. 14 is a partially omitted sectional view showing another conventional one-way clutch.

【符号の説明】[Explanation of symbols]

1 外輪 2 カム面 3 回転軸 4、4a ころ 5 溝 6 ばね 7 舌片 8 突条 9 カット部 10 ゴム 11 テーパ部 12a、12b コーナ部 13 面取 14 外輪 15 内輪 16 カム面 17 円筒面 18、18a、18b ころ 19 側板 20 突起 21 凹溝 22 溝 23 ばね 24 舌片 25 補助ころ 26 突条 27 矩形孔 28 折り曲げ部 29 穴 30 環状溝 31 溝付きころ 32 短尺ころ 33 ボール 34 溝 35 コイルばね Reference Signs List 1 outer ring 2 cam surface 3 rotating shaft 4, 4a roller 5 groove 6 spring 7 tongue piece 8 ridge 9 cut portion 10 rubber 11 taper portion 12a, 12b corner portion 13 chamfer 14 outer ring 15 inner ring 16 cam surface 17 cylindrical surface 18, 18a, 18b rollers 19 side plate 20 protrusion 21 concave groove 22 groove 23 spring 24 tongue piece 25 auxiliary roller 26 ridge 27 rectangular hole 28 bent portion 29 hole 30 annular groove 31 grooved roller 32 short roller 33 ball 34 groove 35 coil spring

Claims (13)

【特許請求の範囲】[Claims] 【請求項1】 外方部材の内周面または内方部材の外周
面のいずれか一方に複数の傾斜カム面を設け、他方を円
筒面に形成し、前記各カム面と対向する位置にころを収
容し、これらのころを係合子として弾性体により前記カ
ム面に係合される方向へ付勢した一方向クラッチにおい
て、前記各ころを周方向両側で、直接相互に当接させる
か、またはこれらのころよりも小径の補助ころを介して
相互に当接させて配し、前記カム面を設けた外方部材の
内周面または内方部材の外周面に、その軸方向に延びる
溝を少なくとも一つ設け、前記弾性体をこの溝に係止し
て、その付勢力を前記相互に当接するころを介して、全
てのころに伝達するようにし、前記溝に係止した弾性体
の、溝に沿う方向の端部を先細に形成したことを特徴と
する一方向クラッチ。
1. A plurality of inclined cam surfaces are provided on one of an inner peripheral surface of an outer member and an outer peripheral surface of an inner member, and the other is formed as a cylindrical surface, and rollers are provided at positions facing the respective cam surfaces. In a one-way clutch in which these rollers are biased in a direction in which the rollers are engaged with the cam surface by an elastic body, the rollers are brought into direct contact with each other on both circumferential sides, or A groove extending in the axial direction is provided on the inner peripheral surface of the outer member provided with the cam surface or on the outer peripheral surface of the inner member, arranged in contact with each other via an auxiliary roller having a smaller diameter than these rollers. At least one is provided, the elastic body is locked in this groove, and the urging force is transmitted to all the rollers through the contact with each other, and the elastic body locked in the groove is One-way clutch characterized in that the end in the direction along the groove is tapered. .
【請求項2】 外方部材の内周面または内方部材の外周
面のいずれか一方に複数の傾斜カム面を設け、他方を円
筒面に形成し、前記各カム面と対向する位置にころを収
容し、これらのころを係合子として弾性体により前記カ
ム面に係合される方向へ付勢した一方向クラッチにおい
て、前記各ころを周方向両側で、直接相互に当接させる
か、またはこれらのころよりも小径の補助ころを介して
相互に当接させて配し、前記カム面を設けた外方部材の
内周面または内方部材の外周面に、その軸方向に延びる
溝を少なくとも一つ設け、前記弾性体をこの溝に係止し
て、その付勢力を前記相互に当接するころを介して、全
てのころに伝達するようにし、これらのころの両端面を
案内する側板の少なくとも一方を、前記外方部材または
内方部材の端面に係止する手段を設けたことを特徴とす
る一方向クラッチ。
2. A plurality of inclined cam surfaces are provided on one of an inner peripheral surface of an outer member and an outer peripheral surface of an inner member, and the other is formed in a cylindrical surface, and rollers are provided at positions facing the respective cam surfaces. In a one-way clutch in which these rollers are biased in a direction in which the rollers are engaged with the cam surface by an elastic body, the rollers are brought into direct contact with each other on both circumferential sides, or A groove extending in the axial direction is provided on the inner peripheral surface of the outer member provided with the cam surface or on the outer peripheral surface of the inner member, arranged in contact with each other via an auxiliary roller having a smaller diameter than these rollers. At least one is provided, the elastic body is locked in this groove, and the biasing force is transmitted to all the rollers via the rollers that come into contact with each other, and a side plate that guides both end surfaces of these rollers. At least one of them is engaged with an end face of the outer member or the inner member. A one-way clutch comprising a stopping means.
【請求項3】 前記側板を係止する手段が、側板の周方
向複数箇所に凸部を設け、この凸部を前記外方部材また
は内方部材の端面に設けた凹部に係止するものである請
求項2に記載の一方向クラッチ。
3. The means for locking the side plate includes a plurality of protrusions provided at a plurality of positions in a circumferential direction of the side plate, and the protrusions are locked to recesses provided on an end surface of the outer member or the inner member. The one-way clutch according to claim 2.
【請求項4】 前記弾性体が、前記ころを押圧する舌片
を有する鋼板製のばねである請求項1乃至3のいずれか
に記載の一方向クラッチ。
4. The one-way clutch according to claim 1, wherein the elastic body is a steel plate spring having a tongue for pressing the rollers.
【請求項5】 前記補助ころを、前記弾性体が係止され
る位置に介在させた請求項1乃至4のいずれかに記載の
一方向クラッチ。
5. The one-way clutch according to claim 1, wherein said auxiliary roller is interposed at a position where said elastic body is locked.
【請求項6】 前記ころの少なくとも1本を、前記ころ
と外径が同じで、形状の異なる係合子で置換した請求項
1乃至5のいずれかに記載の一方向クラッチ。
6. The one-way clutch according to claim 1, wherein at least one of said rollers is replaced with an engaging member having the same outer diameter and a different shape as said rollers.
【請求項7】 前記形状の異なる係合子が、前記ころの
円筒面に少なくとも1つの環状溝を設けた溝付きころで
ある請求項6に記載の一方向クラッチ。
7. The one-way clutch according to claim 6, wherein the engaging element having a different shape is a grooved roller having at least one annular groove formed in a cylindrical surface of the roller.
【請求項8】 前記形状の異なる係合子が、前記ころよ
りも長さが短い短尺ころである請求項6に記載の一方向
クラッチ。
8. The one-way clutch according to claim 6, wherein the engaging members having different shapes are short rollers having a shorter length than the rollers.
【請求項9】 前記外方部材の外径に、トルク伝達手段
を一体に形成した請求項1乃至8のいずれかに記載の一
方向クラッチ。
9. The one-way clutch according to claim 1, wherein torque transmitting means is integrally formed with an outer diameter of said outer member.
【請求項10】 前記トルク伝達手段が、前記外方部材
の外径に形成した凹凸である請求項9に記載の一方向ク
ラッチ。
10. The one-way clutch according to claim 9, wherein said torque transmitting means is an unevenness formed on an outer diameter of said outer member.
【請求項11】 前記外方部材または内方部材の少なく
とも一方を、焼結金属で形成した請求項1乃至10のい
ずれかに記載の一方向クラッチ。
11. The one-way clutch according to claim 1, wherein at least one of the outer member and the inner member is formed of a sintered metal.
【請求項12】 前記外方部材または内方部材の少なく
とも一方を、鋼板を打ち抜き加工したもので形成した請
求項1乃至10のいずれかに記載の一方向クラッチ。
12. The one-way clutch according to claim 1, wherein at least one of the outer member and the inner member is formed by stamping a steel plate.
【請求項13】 前記打ち抜き加工が、前記鋼板を外方
部材または内方部材の製品仕上がり寸法にファインブラ
ンキングするものである請求項12に記載の一方向クラ
ッチ。
13. The one-way clutch according to claim 12, wherein the punching process fine-blanches the steel sheet to a finished product size of an outer member or an inner member.
JP2000116747A 2000-02-14 2000-04-18 One-way clutch Expired - Fee Related JP4136266B2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2000116747A JP4136266B2 (en) 2000-04-18 2000-04-18 One-way clutch
US09/781,314 US6543592B2 (en) 2000-02-14 2001-02-13 One-way clutch
DE10106802.6A DE10106802B4 (en) 2000-02-14 2001-02-14 One-way clutch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000116747A JP4136266B2 (en) 2000-04-18 2000-04-18 One-way clutch

Publications (2)

Publication Number Publication Date
JP2001304300A true JP2001304300A (en) 2001-10-31
JP4136266B2 JP4136266B2 (en) 2008-08-20

Family

ID=18628171

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000116747A Expired - Fee Related JP4136266B2 (en) 2000-02-14 2000-04-18 One-way clutch

Country Status (1)

Country Link
JP (1) JP4136266B2 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006002925A (en) * 2004-06-21 2006-01-05 Nsk Warner Kk Roller type one-way clutch and roller used for the same
JP2006170339A (en) * 2004-12-16 2006-06-29 Jtekt Corp One-way clutch
JP2006200671A (en) * 2005-01-21 2006-08-03 Jtekt Corp One-way clutch
US7789567B2 (en) * 2006-08-30 2010-09-07 Honeywell International Inc. Bearing with fluid flow bypass
CN104358799A (en) * 2014-10-23 2015-02-18 重庆从仁机电有限公司 Roller one-way overrunning clutch device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006002925A (en) * 2004-06-21 2006-01-05 Nsk Warner Kk Roller type one-way clutch and roller used for the same
JP4629369B2 (en) * 2004-06-21 2011-02-09 Nskワーナー株式会社 Roller type one-way clutch and roller for roller type one-way clutch
JP2006170339A (en) * 2004-12-16 2006-06-29 Jtekt Corp One-way clutch
JP2006200671A (en) * 2005-01-21 2006-08-03 Jtekt Corp One-way clutch
US7789567B2 (en) * 2006-08-30 2010-09-07 Honeywell International Inc. Bearing with fluid flow bypass
CN104358799A (en) * 2014-10-23 2015-02-18 重庆从仁机电有限公司 Roller one-way overrunning clutch device

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