JPH1163130A - Traction transmission gear - Google Patents
Traction transmission gearInfo
- Publication number
- JPH1163130A JPH1163130A JP22734297A JP22734297A JPH1163130A JP H1163130 A JPH1163130 A JP H1163130A JP 22734297 A JP22734297 A JP 22734297A JP 22734297 A JP22734297 A JP 22734297A JP H1163130 A JPH1163130 A JP H1163130A
- Authority
- JP
- Japan
- Prior art keywords
- roller
- planetary
- sun
- diameter roller
- 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.)
- Pending
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、減速機や増速機と
して用いられる遊星機構を備えたトラクション伝動装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a traction transmission provided with a planetary mechanism used as a speed reducer or a speed increaser.
【０００２】[0002]
【従来の技術】前記トラクション伝動装置として、ケー
スに高速軸と低速軸が同軸線上に対向して支承されると
共にそれらの間に遊星機構が介設され、該遊星機構が、
高速軸にそれと同心に連結された太陽ローラと、ケース
に太陽ローラと同軸線上に内装された軌道リングと、各
々大径ローラ部及びその両面にそれと同心に台形状に突
設された小径ローラ部からなり、太陽ローラの周りに等
角度間隔で配置され、各大径ローラ部において太陽ロー
ラに転動可能に外接されると共に各両小径ローラ部にお
いて軌道リングに転動可能に内接された複数の遊星ロー
ラと、各遊星ローラを各遊星軸を介して太陽ローラの半
径方向に変位可能に支承すると共に低速軸にそれと同心
に連結されたキャリアと、各遊星ローラの大径ローラ部
及び両小径ローラ部と太陽ローラ及び軌道リングとの各
接触面に所要の圧接力を与える圧接力発生手段とからな
るものが特公平５−７９８５５号公報等に開示されてい
る。2. Description of the Related Art As the traction transmission, a high-speed shaft and a low-speed shaft are supported on a case so as to face each other on a coaxial line, and a planetary mechanism is interposed between them.
A sun roller concentrically connected to the high-speed shaft, a track ring installed coaxially with the sun roller in the case, and a large-diameter roller portion and a small-diameter roller portion protruding concentrically on both surfaces thereof in a trapezoidal shape. Consisting of a plurality of rollers arranged at equal angular intervals around the sun roller, circumscribed so as to be able to roll to the sun roller in each large-diameter roller portion, and inscribed so as to roll in the track ring in each of both small-diameter roller portions. A planetary roller, a carrier rotatably supported in the radial direction of the sun roller via each planetary shaft and connected concentrically to the low-speed shaft, a large-diameter roller portion of each planetary roller, and both small-diameter rollers. Japanese Patent Publication No. 5-79855 discloses a pressure contact force generating means for applying a required pressure force to each contact surface between the roller portion, the sun roller and the orbital ring.
【０００３】前記構成のトラクション伝動装置は、その
各遊星ローラが、各大径ローラ部において太陽ローラに
転動可能に外接されると共に各両小径ローラ部において
軌道リングに転動可能に内接されているため、各遊星ロ
ーラが共通の接触面で太陽ローラ及び軌道リングに接触
させられる通常の遊星機構の場合に比して高い変速比が
得られる利点を有している。In the traction transmission device having the above-described structure, each planetary roller is rotatably circumscribed to the sun roller at each large-diameter roller portion, and is rotatably inscribed to the track ring at each of both small-diameter roller portions. Therefore, there is an advantage that a higher gear ratio can be obtained as compared with a normal planetary mechanism in which each planetary roller is brought into contact with the sun roller and the orbital ring on a common contact surface.
【０００４】しかしながら、前記従来技術では、従来の
トラクション伝動装置における伝動部分の要部縦断面図
である図３に示すように、各遊星ローラ２３が各遊星軸
２５を介して、例えば軸受部分に設けた隙間ｓにより、
太陽ローラ２１の半径方向に変位可能にキャリア２６に
支承され、且つ各遊星ローラ２３がその大径ローラ部２
３ａにおいて太陽ローラ２１と１個所の接触点で外接さ
れると共にその両小径ローラ部２３ｂの各テーパ面にお
いて軌道リング２２と２個所の接触点で内接され、それ
ら計３個所の接触点を含む平面において各接触面の断面
が仮想上の円Ｃにおける接線の一部を構成することにな
る。However, according to the prior art, as shown in FIG. 3, which is a longitudinal sectional view of a main part of a transmission portion in a conventional traction transmission, each planetary roller 23 is connected to a bearing portion, for example, via a planetary shaft 25. Due to the gap s provided,
The sun roller 21 is supported on the carrier 26 so as to be displaceable in the radial direction, and each planetary roller 23 has its large-diameter roller portion 2
In FIG. 3a, it is circumscribed at one contact point with the sun roller 21 and is inscribed at two contact points with the raceway ring 22 on each tapered surface of both small-diameter roller portions 23b, including a total of three contact points. In the plane, the cross section of each contact surface forms a part of the tangent line in the virtual circle C.
【０００５】そのため、前記従来技術では、図３に示す
従来のトラクション伝動装置における遊星ローラ揺動時
の伝動部分の要部縦断面図である図４に示すように、各
遊星ローラ２３が太陽ローラ２１の半径方向以外にも変
位可能となり、その遊星回転運動中に前記円Ｃの中心Ｐ
を軸にして揺動し易く、そのような遊星ローラ２３の揺
動が生じると、大径ローラ部２３ａに対する太陽ローラ
２１の接触点が揺動方向に変位し、さらに軌道リング２
２に対する各小径ローラ部２３ｂの接触点が反揺動方向
に変位すると共に軌道リング２２に対する遊星ローラ２
３の回転半径が、左方の小径ローラ部２３ｂではｒ1 、
右方の小径ローラ部２３ｂではｒ2 （＜ｒ1 ）のよう
に、左右の小径ローラ部２３ｂで差異が生じるようにな
り、それらによって、太陽ローラ２１の遊星回転運動が
不安定になると共に各接触面における接触条件が常時変
化し、振動や騒音を生じると共に寿命の短縮や信頼性の
低下を招く等の問題があった。For this reason, in the prior art, as shown in FIG. 4, which is a longitudinal sectional view of a main part of a transmission portion when the planetary roller swings in the conventional traction transmission shown in FIG. 21 can be displaced other than in the radial direction, and the center P of the circle C
When the planetary roller 23 oscillates, the contact point of the sun roller 21 with the large-diameter roller portion 23a is displaced in the oscillating direction, and the orbit ring 2
The contact point of each small-diameter roller portion 23b with respect to the bearing ring 2 is displaced in the anti-oscillation direction, and
3 is r 1 in the left small-diameter roller portion 23b,
In the right small-diameter roller portion 23b, a difference occurs between the left and right small-diameter roller portions 23b as shown by r 2 (<r 1 ). There are problems that the contact conditions on the contact surface constantly change, generating vibration and noise, shortening the service life and reducing reliability.
【０００６】[0006]
【発明が解決しようとする課題】本発明の課題は、本来
備えるべき高い変速比を確保しつつ遊星ローラの揺動を
防止し、それによって太陽ローラの遊星回転運動が安定
化されると共に摩擦伝動面の接触条件が定常化され、振
動や騒音が少なく、寿命が長く信頼性に優れたトラクシ
ョン伝動装置を提供することにある。SUMMARY OF THE INVENTION It is an object of the present invention to prevent the planetary roller from swinging while securing a high gear ratio which should be provided, thereby stabilizing the planetary rotation of the sun roller and transmitting the frictional force. It is an object of the present invention to provide a traction transmission device in which surface contact conditions are stabilized, vibration and noise are small, life is long, and reliability is excellent.
【０００７】[0007]
【課題を解決するための手段】本発明に係るトラクショ
ン伝動装置は、ケースに高速軸と低速軸が同軸線上に対
向して支承されると共にそれらの間に遊星機構が介設さ
れ、該遊星機構が、高速軸にそれと同心に連結された太
陽ローラと、ケースに太陽ローラと同軸線上に内装され
た軌道リングと、各々大径ローラ部及びその両面にそれ
と同心に突設された小径ローラ部からなり、太陽ローラ
の周りに等角度間隔で配置され、各大径ローラ部におい
て太陽ローラに転動可能に外接されると共に各両小径ロ
ーラ部において軌道リングに転動可能に内接された複数
の遊星ローラと、各遊星ローラを各遊星軸を介して太陽
ローラの半径方向に変位可能に支承すると共に低速軸に
それと同心に連結されたキャリアと、各遊星ローラの大
径ローラ部及び両小径ローラ部と太陽ローラ及び軌道リ
ングとの各接触面に所要の圧接力を与える圧接力発生手
段とからなるトラクション伝動装置において、各遊星ロ
ーラの大径ローラ部と太陽ローラとの各接触面が、それ
らを互いに嵌合可能にするような軸線方向の曲率半径を
有する凹曲面及び凸曲面に形成されたことを特徴として
いる。According to the traction transmission of the present invention, a high-speed shaft and a low-speed shaft are supported on a case so as to face each other on a coaxial line, and a planetary mechanism is interposed between them. However, from the sun roller concentrically connected to the high-speed shaft, the orbital ring installed coaxially with the sun roller in the case, and a large-diameter roller portion and a small-diameter roller portion protruding concentrically on both surfaces thereof. A plurality of rollers arranged at equal angular intervals around the sun roller, circumscribed so as to be able to roll to the sun roller in each large-diameter roller portion, and inscribed so as to roll in the track ring in each of both small-diameter roller portions. A planetary roller, a carrier rotatably supporting each planetary roller in the radial direction of the sun roller via each planetary shaft and concentrically connected to the low-speed shaft, a large-diameter roller portion of each planetary roller and both In a traction transmission device comprising a pressing roller generating means for applying a required pressing force to each contact surface between the diameter roller portion and the sun roller and the orbital ring, each contact surface between the large diameter roller portion of each planetary roller and the sun roller is Are formed on a concave curved surface and a convex curved surface having an axial radius of curvature such that they can be fitted to each other.
【０００８】前記の場合、太陽ローラに対する大径ロー
ラ部の接触面が凸曲面に形成されると共にその接触面に
対応する太陽ローラの接触面が前記凸曲面と嵌合可能な
凹曲面に形成されてもよく、またそれと反対に、太陽ロ
ーラに対する大径ローラ部の接触面が凹曲面に形成され
ると共にその接触面に対応する太陽ローラの接触面が前
記凹曲面と嵌合可能な凸曲面に形成されてもよい。In the above case, the contact surface of the large-diameter roller portion with the sun roller is formed as a convex curved surface, and the contact surface of the sun roller corresponding to the contact surface is formed as a concave curved surface that can be fitted with the convex curved surface. Alternatively, the contact surface of the large-diameter roller portion with respect to the sun roller may be formed into a concave curved surface, and the contact surface of the sun roller corresponding to the contact surface may be formed into a convex curved surface that can be fitted with the concave curved surface. It may be formed.
【０００９】前記構成において、各遊星ローラがその大
径ローラ部において太陽ローラに転動可能に外接される
に際して、各遊星ローラの大径ローラ部と太陽ローラと
が、凹曲面及び凸曲面に形成された各接触面を介して圧
接力発生手段による圧接下に嵌合され、それによって、
各遊星ローラが大径ローラ部と太陽ローラとの各接触面
を安定な嵌合状態に維持する方向に常時付勢されると共
に各遊星ローラの前記揺動が防止されることになる。In the above structure, when each planetary roller is circumscribed so as to roll on the sun roller at its large-diameter roller portion, the large-diameter roller portion of each planetary roller and the sun roller are formed into a concave curved surface and a convex curved surface. It is fitted under the pressure contact by the pressure contact force generation means through each contact surface, thereby,
Each planetary roller is always urged in a direction to maintain the contact surface between the large-diameter roller portion and the sun roller in a stable fitted state, and the rocking of each planetary roller is prevented.
【００１０】[0010]
【実施例】以下に、本発明を図面に示す実施例に基づい
て具体的に説明する。 ［第一の実施例］図１は本発明の第一の実施例に係るト
ラクション伝動装置の縦断面図である。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be specifically described below based on embodiments shown in the drawings. FIG. 1 is a longitudinal sectional view of a traction transmission according to a first embodiment of the present invention.
【００１１】同図において、ケース１に高速軸２と低速
軸３が各々軸受４、５を介して同軸線上に対向して支承
されると共にそれらの間に遊星機構６が介設されてい
る。In FIG. 1, a high-speed shaft 2 and a low-speed shaft 3 are mounted on a case 1 so as to be opposed to each other on a coaxial line via bearings 4 and 5, and a planetary mechanism 6 is interposed therebetween.
【００１２】前記遊星機構６において、高速軸２にそれ
と同心に太陽ローラ１１が連結され、ケース１に軌道リ
ング１２が太陽ローラ１１と同軸線上に内装され、太陽
ローラ１１の周りには複数の遊星ローラ１３が太陽ロー
ラ１１に外接され且つ軌道リング１２に内接されつつ等
角度間隔で配置され、各遊星ローラ１３は軸受１４を介
して遊星軸１５に太陽ローラ１１の半径方向に変位可能
に軸支されると共に各遊星軸１５がキャリア１６に垂直
固定され、キャリア１６が低速軸３にそれと同心に連結
されている。In the planetary mechanism 6, a sun roller 11 is connected to the high-speed shaft 2 concentrically with the high-speed shaft 2. A raceway ring 12 is provided in the case 1 on the same axis as the sun roller 11, and a plurality of planets are arranged around the sun roller 11. Rollers 13 are arranged at equal angular intervals while being circumscribed by the sun roller 11 and inscribed by the race ring 12, and each planetary roller 13 is axially displaceable to the planetary shaft 15 via a bearing 14 in the radial direction of the sun roller 11. Each planet shaft 15 is supported and vertically fixed to a carrier 16, and the carrier 16 is connected to the low-speed shaft 3 concentrically therewith.
【００１３】前記軌道リング１２は、ケース１の高速軸
２側に内装固定された固定リング部１２ａと、ケース１
の低速軸３側に軸線方向に変位可能に固定リング部１２
ａと対向して配置された可動リング部１２ｂとから構成
されている。また、前記の各遊星ローラ１３は、太陽ロ
ーラ１１に外接された大径ローラ部１３ａと、その両面
にそれと同心に円錐台状に突設されると共に軌道リング
１２の固定リング部１２ａ及び可動リング部１２ｂに各
々内接された小径ローラ部１３ｂとから構成されてい
る。The track ring 12 includes a fixed ring portion 12a internally fixed to the case 1 on the high-speed shaft 2 side, and a case 1
Ring portion 12 that is displaceable in the axial direction toward the low-speed shaft 3
a and a movable ring portion 12b disposed opposite to the movable ring portion 12a. Each of the planetary rollers 13 includes a large-diameter roller portion 13a circumscribed by the sun roller 11, and a frusto-conical projection protruding on both surfaces thereof concentrically therewith, and a fixed ring portion 12a of the track ring 12 and a movable ring 12a. And a small-diameter roller portion 13b inscribed in the portion 12b.
【００１４】また、各遊星ローラ１３の大径ローラ部１
３ａに対する太陽ローラ１１の接触面は、軸線方向に所
要曲率半径を有する凹曲面１７に形成され、また前記接
触面に対応する大径ローラ部１３ａの接触面は、前記の
ように凹曲面１７に形成された太陽ローラ１１の接触面
と嵌合可能にするような軸線方向の曲率半径を有する凸
曲面１８に形成されている。The large-diameter roller portion 1 of each planetary roller 13
The contact surface of the sun roller 11 with respect to 3a is formed on the concave curved surface 17 having a required radius of curvature in the axial direction, and the contact surface of the large-diameter roller portion 13a corresponding to the contact surface is formed on the concave curved surface 17 as described above. The convex surface 18 has a radius of curvature in the axial direction such that the convex surface 18 can be fitted to the contact surface of the formed sun roller 11.
【００１５】さらに、可動リング部１２ｂとケース１と
の間には圧接力発生手段としての圧縮コイルばね１９が
介設され、該圧縮コイルばね１９は、可動リング部１２
ｂを軸線方向に固定リング部１２ａ側に常時押圧すると
共に、該軸線方向の押圧力は各遊星ローラ１３の両小径
ローラ部１３ｂの各テーパ面によって太陽ローラ１１の
半径方向内側への力に変換され、この力は隙間ｓにより
遊星軸１５を介さずに太陽ローラ１１に作用する。これ
らにより、各遊星ローラ１３の大径ローラ部１３ａと太
陽ローラ１１との各接触面と各小径ローラ部１３ｂと軌
道リング１２の固定リング部１２ａ及び可動リング部１
２ｂとの各接触面に所要の圧接力を与えることができ
る。Further, a compression coil spring 19 as a pressing force generating means is interposed between the movable ring portion 12b and the case 1, and the compression coil spring 19 is
b is constantly pressed in the axial direction toward the fixing ring portion 12a, and the pressing force in the axial direction is converted into a radially inward force of the sun roller 11 by each tapered surface of both small-diameter roller portions 13b of each planetary roller 13. This force acts on the sun roller 11 without passing through the planetary shaft 15 due to the gap s. Thus, each contact surface between the large-diameter roller portion 13a of each planetary roller 13 and the sun roller 11, each small-diameter roller portion 13b, the fixed ring portion 12a of the track ring 12, and the movable ring portion 1
A required pressure contact force can be applied to each contact surface with 2b.
【００１６】前記構成では、各遊星ローラ１３の大径ロ
ーラ部１３ａと太陽ローラ１１との各接触面が、前者の
凸曲面１８と後者の凹曲面１７より、圧縮コイルばね１
９による圧接下に常時安定に嵌合され、それにより遊星
ローラ１３の揺動が防止されている。In the above configuration, each contact surface between the large-diameter roller portion 13a of each planetary roller 13 and the sun roller 11 is formed by the former convex curved surface 18 and the latter concave curved surface 17 by the compression coil spring 1.
9 is always stably fitted under pressure contact, thereby preventing the planetary roller 13 from swinging.
【００１７】［第二の実施例］図２は本発明の第二の実
施例に係るトラクション伝動装置の要部縦断面図であ
る。[Second Embodiment] FIG. 2 is a longitudinal sectional view of a main part of a traction transmission according to a second embodiment of the present invention.
【００１８】同図に示す第二の実施例では、第一の実施
例とは反対に、前記遊星ローラ１３の大径ローラ部１３
ａに対する太陽ローラ１１の接触面が、軸線方向に所要
曲率半径を有する凸曲面１８に形成され、またその接触
面に対応する大径ローラ部１３ａの接触面が、前記のよ
うに凸曲面１８に形成された太陽ローラ１１の接触面と
嵌合可能にするような軸線方向の曲率半径を有する凹曲
面１７に形成されている。In the second embodiment shown in FIG. 3, the large-diameter roller portion 13 of the planetary roller 13 is opposite to the first embodiment.
The contact surface of the sun roller 11 with respect to a is formed on the convex curved surface 18 having a required radius of curvature in the axial direction, and the contact surface of the large-diameter roller portion 13a corresponding to the contact surface is formed on the convex curved surface 18 as described above. It is formed on a concave curved surface 17 having a radius of curvature in the axial direction such that it can be fitted to the contact surface of the formed sun roller 11.
【００１９】前記構成においても、第一の実施例と同様
に、各遊星ローラ１３の大径ローラ部１３ａと太陽ロー
ラ１１との各接触面が、前者の凹曲面１７と後者の凸曲
面１８より、圧縮コイルばね１９による圧接下に常時安
定に嵌合され、それにより遊星ローラ１３の揺動が防止
されている。Also in the above-described configuration, as in the first embodiment, the contact surfaces between the large-diameter roller portion 13a of each planetary roller 13 and the sun roller 11 are formed by the former concave curved surface 17 and the latter convex curved surface 18. The planetary roller 13 is always stably fitted under pressure contact by the compression coil spring 19, thereby preventing the planetary roller 13 from swinging.
【００２０】なお、第二の実施例における前記以外の構
成及び作用効果は既述の第一の実施例と同様であり、説
明を省略する。The configuration, operation and effect of the second embodiment other than those described above are the same as those of the above-described first embodiment, and a description thereof will be omitted.
【００２１】[0021]
【発明の効果】本発明は以上のように構成されるので、
本来備えるべき高い変速比を確保しつつ遊星ローラの揺
動を防止し、それによって太陽ローラの遊星回転運動が
安定化されると共に摩擦伝動面の接触条件が定常化さ
れ、振動や騒音が少なく、寿命が長く信頼性に優れたト
ラクション伝動装置を提供することができる。The present invention is configured as described above.
Prevents the planetary roller from swinging while securing the high gear ratio that should be provided, thereby stabilizing the planetary rotation of the sun roller and stabilizing the contact condition of the friction transmission surface, reducing vibration and noise, A traction transmission device having a long life and excellent reliability can be provided.
【図１】本発明の第一の実施例に係るトラクション伝動
装置の縦断面図である。FIG. 1 is a longitudinal sectional view of a traction transmission according to a first embodiment of the present invention.
【図２】本発明の第二の実施例に係るトラクション伝動
装置の要部縦断面図である。FIG. 2 is a longitudinal sectional view of a main part of a traction transmission device according to a second embodiment of the present invention.
【図３】従来のトラクション伝動装置における伝動部分
の要部縦断面図である。FIG. 3 is a longitudinal sectional view of a main part of a transmission portion in a conventional traction transmission device.
【図４】図３に示す従来のトラクション伝動装置におけ
る遊星ローラ揺動時の伝動部分の要部縦断面図である。FIG. 4 is a longitudinal sectional view of a main part of a transmission portion when the planetary roller swings in the conventional traction transmission shown in FIG.
１ ケース ２ 高速軸 ３ 低速軸 ６ 遊星機構 １１ 太陽ローラ １２ 軌道リング １２ａ 固定リング部 １２ｂ 可動リング部 １３ 遊星ローラ １３ａ 大径ローラ部 １３ｂ 小径ローラ部 １５ 遊星軸 １６ キャリア １７ 凹曲面 １８ 凸曲面 １９ 圧縮コイルばね（圧接力発生手段） DESCRIPTION OF SYMBOLS 1 Case 2 High-speed shaft 3 Low-speed shaft 6 Planetary mechanism 11 Sun roller 12 Orbital ring 12a Fixed ring portion 12b Movable ring portion 13 Planetary roller 13a Large-diameter roller portion 13b Small-diameter roller portion 15 Planetary shaft 16 Carrier 17 Concave curved surface 18 Convex curved surface 19 Compression Coil spring (pressing force generating means)
Claims (1)
向して支承されると共にそれらの間に遊星機構が介設さ
れ、該遊星機構が、高速軸にそれと同心に連結された太
陽ローラと、ケースに太陽ローラと同軸線上に内装され
た軌道リングと、各々大径ローラ部及びその両面にそれ
と同心に突設された小径ローラ部からなり、太陽ローラ
の周りに等角度間隔で配置され、各大径ローラ部におい
て太陽ローラに転動可能に外接されると共に各両小径ロ
ーラ部において軌道リングに転動可能に内接された複数
の遊星ローラと、各遊星ローラを各遊星軸を介して太陽
ローラの半径方向に変位可能に支承すると共に低速軸に
それと同心に連結されたキャリアと、各遊星ローラの大
径ローラ部及び両小径ローラ部と太陽ローラ及び軌道リ
ングとの各接触面に所要の圧接力を与える圧接力発生手
段とからなるトラクション伝動装置において、 各遊星ローラの大径ローラ部と太陽ローラとの各接触面
が、それらを互いに嵌合可能にするような軸線方向の曲
率半径を有する凹曲面及び凸曲面に形成されたことを特
徴とするトラクション伝動装置。A high-speed shaft and a low-speed shaft are mounted on a case so as to face each other on a coaxial line, and a planetary mechanism is interposed between the high-speed shaft and the low-speed shaft, and the planetary mechanism is concentrically connected to the high-speed shaft. And a track ring which is coaxially mounted with the sun roller in the case, and a large-diameter roller portion and a small-diameter roller portion protruding concentrically on both sides of the large-diameter roller portion, and are arranged at equal angular intervals around the sun roller. A plurality of planetary rollers that are rotatively circumscribed to the sun roller in each large-diameter roller portion and are rotatively inscribed in the raceway ring in each of the two small-diameter roller portions; And a carrier concentrically connected to the low-speed shaft and supported by the sun roller in a radial direction, and a contact surface between the large-diameter roller portion and both small-diameter roller portions of each planetary roller, the sun roller, and the orbit ring. A traction transmission device comprising a pressing force generating means for applying a required pressing force, wherein the contact surface between the large-diameter roller portion of each planetary roller and the sun roller has an axial curvature such that they can be fitted to each other. A traction transmission device formed on a concave curved surface and a convex curved surface having a radius.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22734297A JPH1163130A (en) | 1997-08-07 | 1997-08-07 | Traction transmission gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP22734297A JPH1163130A (en) | 1997-08-07 | 1997-08-07 | Traction transmission gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH1163130A true JPH1163130A (en) | 1999-03-05 |
Family
ID=16859310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP22734297A Pending JPH1163130A (en) | 1997-08-07 | 1997-08-07 | Traction transmission gear |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH1163130A (en) |
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