JP2002161956A - Belt type continuously variable transmission - Google Patents
Belt type continuously variable transmissionInfo
- Publication number
- JP2002161956A JP2002161956A JP2000357525A JP2000357525A JP2002161956A JP 2002161956 A JP2002161956 A JP 2002161956A JP 2000357525 A JP2000357525 A JP 2000357525A JP 2000357525 A JP2000357525 A JP 2000357525A JP 2002161956 A JP2002161956 A JP 2002161956A
- Authority
- JP
- Japan
- Prior art keywords
- belt
- fixed
- clutch
- sheave
- cam
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H9/00—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members
- F16H9/02—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion
- F16H9/04—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes
- F16H9/12—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members
- F16H9/14—Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members without members having orbital motion using belts, V-belts, or ropes engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members using only one pulley built-up out of adjustable conical parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/32—Friction members
- F16H55/36—Pulleys
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmissions By Endless Flexible Members (AREA)
- Pulleys (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、ベルト式無段変速
機のクラッチ装置に関する技術分野に属する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a clutch device for a belt-type continuously variable transmission.
【０００２】[0002]
【従来の技術】従来より、この種のベルト式無段変速機
として、回転軸に回転一体にかつ摺動不能に固定された
固定シーブと、回転軸に固定シーブとの間にＶ字状のベ
ルト溝を形成するように対向配置されて回転一体にかつ
摺動可能に支持された可動シーブとからなる変速プーリ
を設けるとともに、この変速プーリのベルト溝にＶベル
トからなる変速ベルトを巻き掛け、変速プーリにおける
可動シーブの背面側に回動カム及び固定カムからなるカ
ム機構を設け、その回動カムの固定カムに対する相対回
動により、変速プーリの可動シーブを軸方向に移動させ
て該変速プーリを開閉することによって、変速ベルトに
対する有効半径を可変として変速するようにしたものが
知られている（例えば特開平３―７９８４５号公報参
照）。2. Description of the Related Art Heretofore, as a belt type continuously variable transmission of this type, a V-shaped V-shaped transmission has been provided between a fixed sheave that is fixed to a rotating shaft so as to rotate integrally and non-slidably and a rotating sheave. A variable speed pulley comprising a movable sheave which is opposed to each other so as to form a belt groove, and is rotatably integrated and slidably supported, is provided, and a variable speed belt including a V belt is wound around the belt groove of the variable speed pulley, A cam mechanism comprising a rotating cam and a fixed cam is provided on the back side of the movable sheave in the speed change pulley, and the movable sheave of the speed change pulley is moved in the axial direction by the relative rotation of the rotation cam with respect to the fixed cam. There has been known a device in which an effective radius with respect to a speed change belt is changed by opening and closing a gear (for example, see Japanese Patent Application Laid-Open No. 3-79845).
【０００３】ところで、このようなベルト式無段変速機
において、変速プーリの可動シーブを固定シーブに対し
変速範囲を越えて略最大に離隔させることで、変速ベル
トの張力を零にして該変速ベルトと変速プーリとの間の
動力伝達を遮断（クラッチオフ状態）することができ
る。従って、このような構造の採用によりクラッチ装置
を設けることができる。[0003] In such a belt-type continuously variable transmission, the movable sheave of the speed change pulley is separated from the fixed sheave by almost the maximum beyond the speed change range to reduce the tension of the speed change belt to zero. Power transmission between the transmission and the speed change pulley can be interrupted (clutch off state). Therefore, a clutch device can be provided by adopting such a structure.
【０００４】そして、このクラッチ装置の一例として、
従来、固定及び可動シーブ間のベルト溝底部に、可動シ
ーブを固定シーブから離隔する方向に付勢するための圧
縮ばねを縮装しておき、このばねの伸長付勢力により、
クラッチオフ状態では可動シーブを固定シーブから略最
大に離隔した状態に保持するようにしたものが知られて
いる。[0004] As an example of this clutch device,
Conventionally, a compression spring for urging the movable sheave in a direction away from the fixed sheave is compressed at the bottom of the belt groove between the fixed and movable sheaves, and the extension urging force of this spring causes
It is known that a movable sheave is held at a position substantially separated from a fixed sheave at a maximum in a clutch-off state.
【０００５】[0005]
【発明が解決しようとする課題】しかし、上記従来のも
のでは、変速プーリのベルト溝底部に圧縮ばねを配置す
るので、その圧縮ばねの収容のために軸方向のスペース
が必要であり、その収容スペースによりクラッチ装置を
コンパクトにすることが困難となる。However, in the prior art described above, the compression spring is disposed at the bottom of the belt groove of the speed change pulley, so that an axial space is required for accommodating the compression spring. Space makes it difficult to make the clutch device compact.
【０００６】また、上記変速プーリのベルト溝底部に収
容されている圧縮ばねは損傷し易く、このばねの損傷に
よりクラッチ装置の作動に不具合が生じた場合には、ク
ラッチ装置を含めた変速機全体を分解せねばならず、メ
ンテナンス性が悪くなる。しかも、同様の理由によりク
ラッチ装置の組立てに時間を要し、組立性も悪いという
問題もある。Further, the compression spring accommodated in the bottom of the belt groove of the speed change pulley is easily damaged, and if the operation of the clutch device is caused by the damage of the spring, the entire transmission including the clutch device is damaged. Must be disassembled, and the maintainability deteriorates. In addition, there is a problem that it takes time to assemble the clutch device for the same reason, and the assemblability is poor.
【０００７】さらに、ばねの付勢力により可動シーブを
移動させてクラッチオフ状態に移行させるので、そのク
ラッチオフ状態への切換えを確実にかつ安定して行うこ
とが難しく、クラッチオフ状態の切換不良が生じ易いと
いう問題もある。Further, since the movable sheave is moved by the biasing force of the spring to shift to the clutch-off state, it is difficult to reliably and stably switch to the clutch-off state. There is also a problem that it easily occurs.
【０００８】本発明は斯かる諸点に鑑みてなされたもの
であり、その目的は、上記の如きベルト式無段変速機の
クラッチ装置の構成を改良することにより、そのクラッ
チ装置のコンパクト化を図るとともに、組立性及びメン
テナンス性を高め、さらにはクラッチオフ状態が安定し
て確実に得られるようにすることにある。The present invention has been made in view of the above points, and an object of the present invention is to reduce the size of a clutch device of a belt-type continuously variable transmission by improving the structure of the clutch device. It is another object of the present invention to improve assemblability and maintainability, and to stably and reliably obtain a clutch-off state.
【０００９】[0009]
【課題を解決するための手段】上記の目的の達成のた
め、この発明では、変速プーリの可動シーブが固定プー
リから離れてクラッチオフ状態になるとき、その可動シ
ーブと軸方向に移動一体に連結されている回動部材を固
定体に係合させて、両者の係合により可動シーブを固定
シーブから離隔した位置に強制的に保持するようにし
た。In order to achieve the above object, according to the present invention, when a movable sheave of a speed change pulley separates from a fixed pulley and enters a clutch-off state, the movable sheave is axially and integrally connected to the movable sheave. The movable sheave is forcibly held at a position separated from the fixed sheave by engaging the rotating member with the fixed body.
【００１０】具体的には、請求項１の発明では、回転軸
上に支持された固定及び可動シーブからなる変速プーリ
と、この変速プーリの両シーブ間のベルト溝に巻き掛け
られた変速ベルトと、上記可動シーブに相対回転可能に
かつ軸方向に移動一体に連結され、回転軸回りに回動し
て可動シーブを固定シーブに対し接離させる回動部材と
を備え、この回動部材を変速範囲で回動させることによ
り、上記可動シーブを固定シーブに対し接離させて変速
する一方、回動部材を上記変速範囲から該変速範囲に隣
接するクラッチオフ位置に回動させることにより、可動
シーブを固定シーブから略最大に離隔させて変速プーリ
と変速ベルトとの間の動力伝達を遮断するクラッチオフ
状態にするようにしたベルト式無段変速機のクラッチ装
置が対象である。More specifically, according to the first aspect of the present invention, a speed change pulley comprising a fixed and a movable sheave supported on a rotating shaft, and a speed change belt wound around a belt groove between both sheaves of the speed change pulley. A rotating member that is rotatably connected to the movable sheave so as to be relatively rotatable and axially movable, and that rotates around a rotation axis to move the movable sheave toward and away from the fixed sheave. By rotating the movable sheave toward and away from the fixed sheave by rotating the movable sheave in a range, the movable sheave is rotated by rotating a rotating member from the shift range to a clutch-off position adjacent to the shift range. The present invention is directed to a clutch device for a belt-type continuously variable transmission in which the power transmission between the transmission pulley and the transmission belt is cut off by substantially separating the transmission from the fixed sheave.
【００１１】そして、上記可動シーブ背面側の固定体に
設けられた係止部材と、上記回動部材に設けられ、回動
部材が上記変速範囲からクラッチオフ位置に回動したと
きに、上記係止部材との係合により可動シーブを固定シ
ーブから離隔させてクラッチオフ状態にする係合部材と
を備える。An engaging member provided on the fixed body on the rear side of the movable sheave, and an engaging member provided on the rotating member, wherein when the rotating member is rotated from the shift range to the clutch off position, An engagement member that separates the movable sheave from the fixed sheave by engagement with the stop member to bring the movable sheave into a clutch-off state.
【００１２】上記の構成によると、回動部材が変速範囲
で回動することにより、変速プーリの可動シーブが固定
シーブに対し接離して該変速プーリのベルト巻付け径が
変化し変速する。そして、この変速状態からクラッチオ
フ状態に切り換えるときには、上記回動部材が上記変速
範囲からそれに隣接するクラッチオフ位置に回動する。
すると、この回動部材の係合部材が可動シーブ背面側の
固定体の係止部材に係合し、両者の係合により可動シー
ブが固定シーブから略最大に離隔して変速プーリと変速
ベルトとの間の動力伝達が遮断されるクラッチオフ状態
に切換保持される。According to the above arrangement, the movable sheave of the speed change pulley comes into contact with and separates from the fixed sheave by rotating the rotation member in the speed change range, and the belt winding diameter of the speed change pulley changes to change the speed. When switching from this shift state to the clutch-off state, the rotating member rotates from the shift range to the clutch-off position adjacent thereto.
Then, the engaging member of the rotating member engages with the locking member of the fixed body on the back side of the movable sheave, and the movable sheave is separated from the fixed sheave substantially to the maximum by the engagement of the two, so that the transmission pulley and the transmission belt are separated. Is switched to the clutch-off state in which the power transmission is interrupted.
【００１３】その場合、上記係止部材が可動シーブ背面
側の固定体に、また係合部材が可動シーブに連結せしめ
た回動部材にそれぞれ設けられているので、両シーブの
ベルト溝底部に圧縮ばねを設けてクラッチオフ状態を保
持する場合のように、ばねの収容のための軸方向のスペ
ースが不要となり、変速機及びクラッチ装置をコンパク
トにすることができる。In this case, since the locking member is provided on the fixed body on the back side of the movable sheave, and the engaging member is provided on the rotating member connected to the movable sheave, the compression member is provided at the bottom of the belt groove of both sheaves. Unlike the case where a spring is provided to maintain the clutch-off state, an axial space for accommodating the spring is not required, and the transmission and the clutch device can be made compact.
【００１４】また、上記係止部材及び係合部材が変速機
の外側に配置されるので、異常時等にクラッチ装置を含
めた変速機全体を分解する必要はなく、メンテナンス性
を高めることができる。また、組立ても容易で組立性を
高めることができる。Further, since the locking member and the engaging member are arranged outside the transmission, it is not necessary to disassemble the entire transmission including the clutch device in the event of an abnormality or the like, thereby improving maintainability. . In addition, assembling is easy and assembling property can be improved.
【００１５】さらに、係止部材と係合部材との機械的な
係合により可動シーブを強制的に固定シーブから離隔さ
せるので、クラッチオフ状態への切換えを確実にかつ安
定して行うことができ、クラッチ装置の作動安定化を図
ることができる。Further, since the movable sheave is forcibly separated from the fixed sheave by mechanical engagement between the locking member and the engaging member, the switching to the clutch-off state can be performed reliably and stably. In addition, the operation of the clutch device can be stabilized.
【００１６】請求項２の発明では、上記回動部材は回動
カムとする一方、固定体は、上記回動カムとカム接触す
る固定カムとし、これら回動カム又は固定カムの一方
に、所定の傾斜角度で傾斜する変速カム面が形成されて
いる一方、他方には上記変速カム面に接触する接触部が
設けられていて、回動及び固定カムの相対回動により可
動シーブを固定シーブに対し接離させるように構成す
る。According to the second aspect of the present invention, the rotating member is a rotating cam, while the fixed body is a fixed cam that comes into contact with the rotating cam. A transmission cam surface that is inclined at an inclination angle of is formed, while a contact portion that contacts the transmission cam surface is provided on the other, and the movable sheave is fixed to the fixed sheave by rotation and relative rotation of the fixed cam. It is constituted so that it may come and go.
【００１７】こうすれば、回動カムが固定カムに対し変
速範囲で相対回動したときには、変速プーリの可動シー
ブが固定シーブに対し接離してベルト巻付け径が変化し
変速される。回動カムが変速範囲からクラッチオフ位置
に相対回動したときには、回動カムの係合部材が固定カ
ムの係止部材に係合し、両者の係合により可動シーブが
固定シーブから略最大に離隔してクラッチオフ状態に切
換保持される。よって、この場合も上記請求項１の発明
と同様の作用効果が得られる。With this arrangement, when the rotating cam relatively rotates with respect to the fixed cam in the speed change range, the movable sheave of the speed change pulley comes into contact with and separates from the fixed sheave, thereby changing the belt winding diameter and shifting. When the rotating cam relatively rotates from the shift range to the clutch-off position, the engaging member of the rotating cam engages with the locking member of the fixed cam, and the movable sheave is substantially maximized from the fixed sheave due to the engagement of the two. The clutch is switched to the off state while being separated. Therefore, also in this case, the same operation and effect as the first aspect of the invention can be obtained.
【００１８】請求項３の発明では、上記係止部材又は係
合部材の少なくとも一方をローラとする。こうすれば、
係止部材と係合部材との係合がスムーズに行われ、クラ
ッチオフ状態への切換保持をさらに安定して行うことが
できる。According to the third aspect of the present invention, at least one of the locking member and the engaging member is a roller. This way,
The engagement between the locking member and the engaging member is performed smoothly, and the switching to the clutch-off state can be performed more stably.
【００１９】請求項４の発明では、上記変速プーリの固
定及び可動シーブ間のベルト溝底部に、クラッチオフ状
態で変速ベルトが乗り上げるベルト乗上げローラを回転
可能に設ける。このことで、クラッチオフ状態で変速プ
ーリの可動シーブが固定シーブから略最大に離隔したと
きに、変速ベルトがベルト溝底部のベルト乗上げローラ
に乗り上げるようになり、変速プーリと変速ベルトとの
間の動力伝達を確実に遮断することができる。In a fourth aspect of the present invention, a belt running roller on which the speed change belt runs on in a clutch-off state is rotatably provided at the bottom of the belt groove between the fixed and movable sheaves of the speed change pulley. As a result, when the movable sheave of the speed change pulley is separated from the fixed sheave to the maximum in the clutch-off state, the speed change belt rides on the belt climbing roller at the bottom of the belt groove, and the gap between the speed change pulley and the speed change belt Power transmission can be reliably shut off.
【００２０】[0020]
【発明の実施の形態】図１〜図４は本発明の実施形態に
係るベルト式無段変速機Ａを示し、１は駆動回転軸であ
って、この駆動回転軸１は軸本体２と、この軸本体２に
一体的に外嵌合された円筒状のスリーブ３とからなり、
このスリーブ３（駆動回転軸１）上には変速プーリから
なる駆動プーリ５が支持されている。1 to 4 show a belt-type continuously variable transmission A according to an embodiment of the present invention, wherein 1 is a driving rotary shaft, and the driving rotary shaft 1 is composed of a shaft main body 2; A cylindrical sleeve 3 fitted externally to the shaft body 2 integrally;
A drive pulley 5 composed of a speed change pulley is supported on the sleeve 3 (drive rotation shaft 1).
【００２１】上記駆動プーリ５は、駆動回転軸１のスリ
ーブ３上に回転一体にかつ摺動不能に結合されたフラン
ジ状の固定シーブ６と、駆動回転軸１のスリーブ３上に
固定シーブ６に対向するようにボス部７ａにて摺動可能
にかつ相対回転可能に支持されたフランジ状の可動シー
ブ７とからなり、これら両シーブ６，７間にベルト溝８
が形成され、このベルト溝８には変速ベルトとしてのＶ
ベルト１０が巻き掛けられている。The drive pulley 5 has a flange-shaped fixed sheave 6 which is integrally and non-slidably coupled to the sleeve 3 of the drive rotary shaft 1 and a fixed sheave 6 on the sleeve 3 of the drive rotary shaft 1. A flange-shaped movable sheave 7 is slidably and relatively rotatably supported by a boss 7a so as to face each other, and a belt groove 8 is provided between the sheaves 6 and 7.
The belt groove 8 has a V
The belt 10 is wound.
【００２２】そして、上記Ｖベルト１０は図外の従動回
転軸上の従動プーリにも巻き掛けられており、駆動プー
リ５の可動シーブ７を固定シーブ６に対して接離させて
駆動プーリ５のベルト巻付け径を変更し、例えば可動シ
ーブ７を固定シーブ６に接近させて駆動プーリ５を閉じ
たときには、駆動プーリ５のベルト巻付け径を従動プー
リよりも大きくすることにより、駆動回転軸１の回転を
増速して従動回転軸（従動プーリ）に伝達する高速状態
とする一方、逆に、駆動プーリ５の可動シーブ７を固定
シーブ６から離隔させて開いたときには、駆動プーリ５
のベルト巻付け径を従動プーリよりも小さくすることに
より、駆動回転軸１の回転を減速して従動回転軸（従動
プーリ）に伝える低速状態とするようになされている。The V-belt 10 is also wound around a driven pulley on a driven rotary shaft (not shown), and the movable sheave 7 of the drive pulley 5 is moved toward and away from the fixed sheave 6 to move the drive pulley 5 When the belt winding diameter is changed and, for example, the movable pulley 7 is moved closer to the fixed sheave 6 and the driving pulley 5 is closed, the belt winding diameter of the driving pulley 5 is made larger than that of the driven pulley, so that the driving rotary shaft 1 is rotated. When the movable sheave 7 of the drive pulley 5 is separated from the fixed sheave 6 and opened, the rotation speed of the drive pulley 5 is increased.
The belt winding diameter is smaller than that of the driven pulley, so that the rotation of the drive rotary shaft 1 is decelerated and transmitted to the driven rotary shaft (driven pulley) in a low speed state.
【００２３】上記駆動回転軸１上には駆動プーリ５にお
ける可動シーブ７の背面側（図２及び図４では下側）
に、該可動シーブ７を固定シーブ６に対して接離させる
ためのカム機構１２が設けられている。このカム機構１
２は回動部材としての回動カム１３を備え、該回動カム
１３は、可動シーブ７のボス部７ａにベアリング１４を
介して駆動回転軸１回りに相対回転可能にかつ軸方向に
移動一体に外嵌合支持された状態で連結されている。回
動カム１３の駆動プーリ５と反対側端面には、上記ベア
リング１４よりも半径方向外側でかつ円周方向に等角度
間隔（１８０°間隔）をあけた上下位置にそれぞれ円弧
状の１対のカム部１３ａ，１３ａが突設され、このカム
部１３ａ，１３ａの先端部には所定角度で傾斜した変速
カム面１５，１５が形成されている。また、回動カム１
３の外周には回動レバー１６が回動一体に突設されてお
り、この回動レバー１６に対する操作により回動カム１
３を回動させるようにしている。On the drive rotary shaft 1, the back side of the movable sheave 7 of the drive pulley 5 (the lower side in FIGS. 2 and 4).
Further, a cam mechanism 12 for moving the movable sheave 7 toward and away from the fixed sheave 6 is provided. This cam mechanism 1
2 is provided with a rotating cam 13 as a rotating member. The rotating cam 13 is relatively rotatable around the drive rotary shaft 1 via a bearing 14 on a boss 7a of the movable sheave 7 and moves integrally in the axial direction. Are connected in a state of being supported by the outside fitting. A pair of arc-shaped pairs are respectively formed on the end surface of the rotary cam 13 opposite to the drive pulley 5 at upper and lower positions radially outside of the bearing 14 and at equal angular intervals (180 ° intervals) in the circumferential direction. Cam portions 13a, 13a protrude, and transmission cam surfaces 15, 15 inclined at a predetermined angle are formed at the tip portions of the cam portions 13a, 13a. Also, the rotating cam 1
A rotation lever 16 is provided on the outer periphery of the rotation cam 3 so as to rotate integrally therewith.
3 is rotated.
【００２４】また、上記駆動回転軸１の軸本体２におい
て回動カム１３の背面側（回動カム１３に対し駆動プー
リ５と反対側）に位置する部分には固定体としてのリン
グ状の固定カム１８がベアリング１９を介して相対回転
可能に支持されている。この固定カム１８の外周部には
上記回動カム１３の各変速カム面１５と対応した位置
に、該各カム面２５とカム接触する接触部としての１対
のカムローラ２０，２０が配置され、この各カムローラ
２０は固定カム１８の外周面に半径方向に延びるボルト
状の支持軸２１を介して回転可能に支持されている。ま
た、固定カム１８の外周部には先端部に取付孔２３を有
する取付アーム２２が一体に形成されており、固定カム
１８は、取付アーム２２の取付孔２３にて図外のケーシ
ング等に回転不能に取付固定される。A ring-shaped fixing member is provided on a portion of the shaft main body 2 of the driving rotary shaft 1 which is located on the back side of the rotating cam 13 (the side opposite to the driving pulley 5 with respect to the rotating cam 13). A cam 18 is supported via a bearing 19 so as to be relatively rotatable. A pair of cam rollers 20, 20 as contact portions for making cam contact with the respective cam surfaces 25 are arranged at positions corresponding to the respective shift cam surfaces 15 of the rotating cam 13 on the outer peripheral portion of the fixed cam 18. Each cam roller 20 is rotatably supported on the outer peripheral surface of the fixed cam 18 via a bolt-shaped support shaft 21 extending in the radial direction. A mounting arm 22 having a mounting hole 23 at the distal end is formed integrally with the outer periphery of the fixed cam 18. The fixed cam 18 is rotated by a mounting hole 23 of the mounting arm 22 into a casing (not shown) or the like. It is fixed to be impossible.
【００２５】そして、図１及び図２に示すように、上記
カム機構１２における回動カム１３を図１及び図３に示
す低速位置ＬＯから高速位置ＨＩまでの変速範囲で駆動
回転軸１（可動シーブ７のボス部７ａ）回りに回動さ
せ、その各変速カム面１５上でそれぞれ固定カム１８の
カムローラ２０を転動させることにより、駆動プーリ５
の可動シーブ７を軸方向に移動させて固定シーブ６に対
し接離させ、そのベルト溝８の有効半径つまり駆動プー
リ５でのベルト巻付け径を可変とし、駆動プーリ５及び
従動プーリの間のプーリ比すなわち変速機Ａの速比を変
化させる一方、図３及び図４に示すように、回動カム１
３を上記変速範囲から該変速範囲の低速位置ＬＯ側に隣
接するクラッチオフ位置ＯＦＦに回動させることによ
り、可動シーブ７を固定シーブ６から最大に離隔させて
駆動プーリ５とＶベルト１０との間の動力伝達を遮断す
るクラッチオフ状態にするようにしている。As shown in FIGS. 1 and 2, the rotary cam 13 of the cam mechanism 12 is driven by the drive shaft 1 (movable shaft 1) in the speed change range from the low speed position LO to the high speed position HI shown in FIGS. By rotating the sheave 7 around the boss portion 7a) and rolling the cam roller 20 of the fixed cam 18 on each of the speed change cam surfaces 15, the drive pulley 5
The movable sheave 7 is moved in the axial direction so as to contact and separate from the fixed sheave 6, and the effective radius of the belt groove 8, that is, the belt winding diameter at the drive pulley 5, is made variable. While changing the pulley ratio, that is, the speed ratio of the transmission A, as shown in FIGS.
3 is rotated from the shift range to the clutch off position OFF adjacent to the low speed position LO side of the shift range, so that the movable sheave 7 is maximally separated from the fixed sheave 6 and the drive pulley 5 and the V belt 10 The clutch is turned off to interrupt power transmission between the clutches.
【００２６】さらに、上記固定カム１８の外周部には上
記カムローラ２０，２０と異なる位置に、固定カム１８
の半径方向に延びる１本のローラ軸２６が突設され、こ
のローラ軸２６に係止部材としての係止ローラ２７が回
転自在に支持されている。Further, on the outer peripheral portion of the fixed cam 18, a position different from the cam rollers 20, 20 is fixed.
A single roller shaft 26 extending in the radial direction is protruded, and a locking roller 27 as a locking member is rotatably supported on the roller shaft 26.
【００２７】また、上記回動カム１３の駆動プーリ５と
反対側端面（変速カム面１５のある面）には変速カム面
１５，１５と異なる位置に、係合部材としての係合ピン
２９の基端部がボルト２８により一体的に取付固定され
ている。この係合ピン２９は、固定カム１８側（駆動プ
ーリ５と反対側）に回転軸１と平行に延びていて先端部
が回動カム１３の半径方向内側（回転軸１側）に折れ曲
がり、その折れ曲がった先端部の内面（回動カム１３と
の対向面）には上記固定カム１８外周の係止ローラ２７
に対し該係止ローラ２７の回動カム１３と反対側外周部
にて係合可能な係合面３０が形成されており、回動カム
１３が上記変速範囲からクラッチオフ位置ＯＦＦに回動
したときに、図３及び図４に示す如く、係合ピン２９先
端の係合面３０を係止ローラ２７の回動カム１３と反対
側外周部に乗り上げるように係合させて、これら係合ピ
ン２９と係止ローラ２７との係合により可動シーブ７を
軸方向に移動させて固定シーブ６から離隔させ、クラッ
チオフ状態とするようにしている。On the end surface of the rotating cam 13 opposite to the drive pulley 5 (the surface with the speed change cam surface 15), an engagement pin 29 as an engagement member is provided at a position different from the speed change cam surfaces 15, 15. The base end is integrally fixed by bolts 28. The engagement pin 29 extends toward the fixed cam 18 side (opposite to the drive pulley 5) in parallel with the rotary shaft 1 and has a tip bent radially inward of the rotary cam 13 (rotary shaft 1 side). On the inner surface of the bent front end portion (the surface facing the rotating cam 13), a locking roller 27 on the outer periphery of the fixed cam 18 is provided.
An engagement surface 30 is formed on the outer peripheral portion of the locking roller 27 opposite to the rotating cam 13 so that the engaging cam 30 is rotated from the above-mentioned shift range to the clutch off position OFF. At this time, as shown in FIGS. 3 and 4, the engaging surface 30 at the tip of the engaging pin 29 is engaged so as to ride on the outer peripheral portion of the locking roller 27 on the side opposite to the rotating cam 13, and these engaging pins The movable sheave 7 is moved in the axial direction by the engagement of the engagement roller 29 with the locking roller 27 so as to be separated from the fixed sheave 6 so that the clutch is off.
【００２８】また、上記固定及び可動シーブ６，７間の
ベルト溝８底部に相当する駆動回転軸１上には、クラッ
チオフ状態でＶベルト１０が乗り上げるベルト乗上げロ
ーラ３１がベアリング３２を介して回転可能に設けられ
ている。On the drive rotary shaft 1 corresponding to the bottom of the belt groove 8 between the fixed and movable sheaves 6 and 7, a belt climbing roller 31 on which the V belt 10 rides in a clutch off state via a bearing 32. It is provided rotatably.
【００２９】次に、上記実施形態の作動について説明す
る。無段変速機Ａにおけるカム機構１２の回動カム１３
が低速位置ＬＯと高速位置ＨＩとの間の変速範囲にある
ときには、クラッチ装置がクラッチオン状態にあり、駆
動回転軸１及び駆動プーリ５とＶベルト１０との間で動
力伝達が行われる。そして、上記回動カム１３の変速範
囲での回動により無段変速機Ａの速比が変速される。Next, the operation of the above embodiment will be described. Rotating cam 13 of cam mechanism 12 in continuously variable transmission A
Is in the shift range between the low-speed position LO and the high-speed position HI, the clutch device is in the clutch-on state, and power is transmitted between the drive rotating shaft 1 and the drive pulley 5 and the V-belt 10. Then, the speed ratio of the continuously variable transmission A is changed by the rotation of the rotary cam 13 in the shift range.
【００３０】すなわち、この変速状態では、回動カム１
３の低速及び高速位置ＬＯ，ＨＩ間の回動により各変速
カム面１５上でそれぞれ固定カム１８のカムローラ２０
が転動し、このことで駆動プーリ５の可動シーブ７が軸
方向に移動して固定シーブ６に対し接離し、そのベルト
溝８の有効半径つまり駆動プーリ５でのベルト巻付け径
が変化して、駆動プーリ５及び従動プーリの間のプーリ
比（変速機Ａの速比）が変化する。That is, in this shifting state, the rotating cam 1
3 between the low speed and high speed positions LO and HI, the cam rollers 20 of the fixed cams 18 on the respective shift cam surfaces 15 respectively.
The movable sheave 7 of the driving pulley 5 moves in the axial direction and comes into contact with or separates from the fixed sheave 6, thereby changing the effective radius of the belt groove 8, that is, the belt winding diameter of the driving pulley 5. Thus, the pulley ratio between the driving pulley 5 and the driven pulley (the speed ratio of the transmission A) changes.
【００３１】具体的には、回動カム１３を高速位置ＨＩ
に位置付けたときには、駆動プーリ５の可動シーブ７が
固定シーブ６に接近して駆動プーリ５が閉じ、そのベル
ト巻付け径が従動プーリよりも大きくなる。このことに
より、駆動回転軸１の回転が増速されて従動回転軸（従
動プーリ）に伝達される高速状態となる。一方、回動カ
ム１３を低速位置ＬＯに位置付けたときには、駆動プー
リ５の可動シーブ７が固定シーブ６から離隔して開き、
そのベルト巻付け径が従動プーリよりも小さくなり、駆
動回転軸１の回転が減速されて従動回転軸（従動プー
リ）に伝えられる低速状態となる。Specifically, the rotating cam 13 is moved to the high-speed position HI.
, The movable sheave 7 of the driving pulley 5 approaches the fixed sheave 6 to close the driving pulley 5, and the belt winding diameter thereof becomes larger than that of the driven pulley. As a result, the rotation of the drive rotary shaft 1 is accelerated and a high-speed state is transmitted to the driven rotary shaft (driven pulley). On the other hand, when the rotating cam 13 is positioned at the low speed position LO, the movable sheave 7 of the drive pulley 5 opens apart from the fixed sheave 6,
The belt winding diameter becomes smaller than that of the driven pulley, and the rotation of the drive rotary shaft 1 is reduced, and a low-speed state is transmitted to the driven rotary shaft (driven pulley).
【００３２】これに対し、このような変速状態（動力伝
達状態）からクラッチ装置のクラッチオフ状態にして、
駆動プーリ５（駆動回転軸１）とＶベルト１０との動力
伝達を遮断するときには、上記カム機構１２の回動カム
１３が変速範囲の低速位置ＬＯからさらに高速位置ＨＩ
と反対側に向かって図１で時計回り方向に回動されて、
低速位置ＬＯに隣接するクラッチオフ位置ＯＦＦに位置
付けられる。こうして回動カム１３が変速範囲からクラ
ッチオフ位置ＯＦＦに回動すると、図３及び図４に示す
ように、回動カム１３に取付固定されている係合ピン２
９先端の係合面３０が固定カム１８外周の係止ローラ２
７に対し、その係止ローラ２７の回動カム１３と反対側
外周部から乗り上げるように係合する。この係合に伴
い、回動カム１３が係合ピン２９を介して係止ローラ２
７つまり固定カム１８側（図２及び図４で下側）に軸方
向に引っ張られ、この回動カム１３にベアリング１４を
介して軸方向に移動一体に連結されている駆動プーリ５
の可動シーブ７も駆動されて固定シーブ６から離隔し、
両シーブ６，７が最大に離隔して駆動プーリ５が全開
し、クラッチオフ状態に保持される。On the other hand, the clutch device is brought into the clutch off state from such a shift state (power transmission state).
When the power transmission between the drive pulley 5 (drive rotary shaft 1) and the V-belt 10 is interrupted, the rotating cam 13 of the cam mechanism 12 moves from the low speed position LO to the high speed position HI in the shift range.
Is rotated clockwise in FIG. 1 toward the opposite side to
It is positioned at the clutch off position OFF adjacent to the low speed position LO. When the rotating cam 13 is rotated from the shift range to the clutch off position OFF in this manner, as shown in FIGS.
9 The engaging surface 30 at the tip is the locking roller 2 on the outer periphery of the fixed cam 18.
7 is engaged with the engaging roller 27 so that the engaging roller 27 rides from the outer peripheral portion on the opposite side to the rotating cam 13. With this engagement, the rotating cam 13 is moved by the locking pin 2 via the engagement pin 29.
7, that is, the drive pulley 5 which is pulled in the axial direction toward the fixed cam 18 (the lower side in FIGS. 2 and 4), and is integrally connected to the rotating cam 13 via a bearing 14 in the axial direction.
The movable sheave 7 is also driven and separated from the fixed sheave 6,
The drive pulley 5 is fully opened with the sheaves 6 and 7 separated to the maximum, and the clutch is kept off.
【００３３】そして、このクラッチオフ状態では、固定
及び可動シーブ６，７が最も離隔するので、両シーブ
６，７間のベルト溝８にあるＶベルト１０が該ベルト溝
８の底部に落ち込み、そのベルト溝８底部にあるベルト
乗上げローラ３１に乗り上げる。このことで駆動プーリ
５（駆動回転軸１）とＶベルト１０との動力伝達が確実
に遮断される。In this clutch-off state, the fixed and movable sheaves 6, 7 are most separated, so that the V-belt 10 in the belt groove 8 between the sheaves 6, 7 falls into the bottom of the belt groove 8, and It rides on the belt lifting roller 31 at the bottom of the belt groove 8. Thus, power transmission between the drive pulley 5 (drive rotation shaft 1) and the V-belt 10 is reliably shut off.
【００３４】したがって、この実施形態においては、上
記係止ローラ２７がカム機構１２における固定カム１８
外周部に軸支され、係合ピン２９が回動カム１３に取付
固定されているので、駆動プーリの両シーブのベルト溝
底部に圧縮ばねを収容してクラッチオフ状態を保持する
従来の構造のように、ばねの収容のために軸方向のスペ
ースは不要となり、変速機Ａ及びクラッチ装置をコンパ
クトにすることができる。Therefore, in this embodiment, the locking roller 27 is fixed to the fixed cam 18 in the cam mechanism 12.
Since the engagement pin 29 is fixedly mounted on the rotary cam 13 by being supported on the outer peripheral portion, a compression spring is housed in the bottom of the belt groove of both sheaves of the drive pulley to maintain the clutch-off state. Thus, no axial space is required to accommodate the spring, and the transmission A and the clutch device can be made compact.
【００３５】また、上記係止ローラ２７及び係合ピン２
９はいずれも変速機Ａの周囲外側に配置されているの
で、変速機Ａの異常時等に点検ないし調整する際にクラ
ッチ装置及び変速機Ａを分解せずとも済み、そのメンテ
ナンス性を高めることができる。しかも、クラッチ装置
及び変速機Ａの組立ても容易となり、その組立性を高め
ることができる。The locking roller 27 and the engaging pin 2
9 is disposed outside the periphery of the transmission A, so that the clutch device and the transmission A do not have to be disassembled when inspecting or adjusting the transmission A in the event of an abnormality or the like, thereby improving the maintainability thereof. Can be. In addition, the clutch device and the transmission A can be easily assembled, and the assemblability can be improved.
【００３６】さらに、上記クラッチ装置のクラッチオフ
状態では、係止ローラ２７と係合ピン２９との機械的な
係合により駆動プーリ５の可動シーブ７を強制的に固定
シーブ６から離隔させるので、そのクラッチオフ状態へ
の切換えを確実にかつ安定して行うことができ、クラッ
チ装置の作動安定化を図ることができる。Further, when the clutch device is in the clutch off state, the movable sheave 7 of the drive pulley 5 is forcibly separated from the fixed sheave 6 by mechanical engagement between the locking roller 27 and the engagement pin 29. The switching to the clutch off state can be performed reliably and stably, and the operation of the clutch device can be stabilized.
【００３７】しかも、上記係合ピン２９が係合する相手
部材が係止ローラ２７であるので、両者の係合がスムー
ズに行われ、クラッチオフ状態への切換保持をさらに安
定して行うことができる。Moreover, since the mating member with which the engagement pin 29 is engaged is the locking roller 27, the engagement between the two can be performed smoothly, and the switching to the clutch-off state can be performed more stably. it can.
【００３８】尚、上記実施形態では、固定カム１８に係
止ローラ２７を、また回動カム１３に係合ピン２９をそ
れぞれ設けているが、逆に回動カム１３に設けるものを
ローラとし、固定カム１８に設けるものを非ローラから
なる通常の部材としてもよく、或いは両方をローラ又は
非ローラの部材とすることも可能である。In the above embodiment, the locking roller 27 is provided on the fixed cam 18 and the engaging pin 29 is provided on the rotating cam 13. However, the one provided on the rotating cam 13 is a roller. What is provided on the fixed cam 18 may be a normal member made of a non-roller, or both may be a roller or a non-roller member.
【００３９】また、上記実施形態では、ベルト式無段変
速機Ａとして、駆動プーリ５のみを開閉して変速するタ
イプを例示しているが、本発明は、変速プーリからなる
駆動及び従動プーリの各固定シーブ及び可動シーブを互
いに逆向きになるように配置し、その各プーリの可動シ
ーブをそれぞれ連動機構により連動するカム機構により
駆動するようにしたベルト式変速機に対しても適用する
ことができるのは勿論である。In the above-described embodiment, the belt-type continuously variable transmission A is exemplified by a type in which only the drive pulley 5 is opened and closed to change the speed. The present invention can also be applied to a belt type transmission in which the fixed sheave and the movable sheave are arranged so as to be opposite to each other, and the movable sheave of each pulley is driven by a cam mechanism which is interlocked by an interlocking mechanism. Of course you can.
【００４０】[0040]
【発明の効果】以上説明したように、請求項１の発明で
は、変速プーリにおける可動シーブに回動部材を相対回
転可能にかつ軸方向に移動一体に連結して、その回動部
材の変速範囲での回動により可動シーブを固定シーブに
対し接離させて変速し、変速範囲からクラッチオフ位置
への回動により、可動シーブを固定シーブから略最大に
離隔させて変速プーリと変速ベルトとの間の動力伝達を
遮断するクラッチオフ状態にする場合において、可動シ
ーブ背面側の固定体に係止部材を設ける一方、回動部材
に、そのクラッチオフ位置への回動により係止部材と係
合して可動シーブを固定シーブから離隔させクラッチオ
フ状態にする係合部材を設けた。また、請求項２の発明
では、回動部材は回動カムとする一方、固定体は、回動
カムとカム接触する固定とし、両カムの一方に傾斜角度
で傾斜する変速カム面を、また他方に変速カム面に接触
する接触部をそれぞれ設けて、両カムの相対回動により
変速プーリのベルト巻付け径を変化させるようにした。
これらの発明によると、クラッチ装置のコンパクト化、
組立性及びメンテナンス性の向上を図ることができると
ともに、クラッチオフ状態が確実にかつ安定して得られ
てクラッチ装置の作動安定化を図ることができる。As described above, according to the first aspect of the present invention, the rotating member is connected to the movable sheave of the speed change pulley so as to be relatively rotatable and integrally movable in the axial direction. The movable sheave is brought into and out of contact with the fixed sheave by the rotation of the gear to shift the speed.The rotation from the speed change range to the clutch off position causes the movable sheave to be separated from the fixed sheave almost to the maximum and the transmission pulley and the transmission belt When the clutch is in the off state in which the power transmission is interrupted, the locking member is provided on the fixed body on the back side of the movable sheave, and the rotating member is engaged with the locking member by rotating to the clutch off position. Then, an engaging member was provided to separate the movable sheave from the fixed sheave and put the clutch in an off state. In the invention of claim 2, the rotating member is a rotating cam, while the fixed body is fixed to come into contact with the rotating cam, and one of the two cams has a shifting cam surface inclined at an inclined angle, On the other hand, a contact portion that comes into contact with the transmission cam surface is provided, and the belt winding diameter of the transmission pulley is changed by the relative rotation of both cams.
According to these inventions, the clutch device can be made compact,
It is possible to improve the assemblability and the maintainability, and it is possible to reliably and stably obtain the clutch-off state, thereby stabilizing the operation of the clutch device.
【００４１】請求項３の発明によれば、係止部材又は係
合部材の少なくとも一方をローラとしたことにより、係
止部材と係合部材との係合をスムーズに行って、クラッ
チオフ状態への切換保持をさらに安定して行うことがで
きる。According to the third aspect of the present invention, since at least one of the locking member and the engaging member is a roller, the locking member and the engaging member are smoothly engaged, and the clutch is brought into the off state. Can be more stably held.
【００４２】請求項４の発明によれば、変速プーリのベ
ルト溝底部に、クラッチオフ状態で変速ベルトが乗り上
げるベルト乗上げローラを設けたことにより、変速プー
リと変速ベルトとの間の動力伝達を確実に遮断すること
ができる。According to the fourth aspect of the present invention, the power transmission between the speed change pulley and the speed change belt is provided at the bottom of the belt groove of the speed change pulley by providing the belt lifting roller on which the speed change belt runs on in a clutch-off state. It can be reliably shut off.
【図１】本発明の実施形態に係る無段変速機の変速状態
を示す正面図である。FIG. 1 is a front view showing a shift state of a continuously variable transmission according to an embodiment of the present invention.
【図２】無段変速機の変速状態を示す断面図である。FIG. 2 is a cross-sectional view illustrating a speed change state of the continuously variable transmission.
【図３】無段変速機のクラッチオフ状態を示す図１相当
図である。FIG. 3 is a diagram corresponding to FIG. 1, showing a clutch-off state of the continuously variable transmission.
【図４】無段変速機のクラッチオフ状態を示す図２相当
図である。FIG. 4 is a diagram corresponding to FIG. 2, showing a clutch-off state of the continuously variable transmission.
Ａ ベルト式無段変速機 １ 駆動回転軸 ５ 駆動プーリ（変速プーリ） ６ 固定シーブ ７ 可動シーブ ８ ベルト溝 １０ Ｖベルト（変速ベルト） １２ カム機構 １３ 回動カム（回動部材） １５ 変速カム面 １８ 固定カム（固定体） ２０ カムローラ ２７ 係止ローラ（係止部材） ２９ 係合ピン（係合部材） ３１ ベルト乗上げローラ Reference Signs List A belt-type continuously variable transmission 1 drive rotating shaft 5 drive pulley (speed-change pulley) 6 fixed sheave 7 movable sheave 8 belt groove 10 V-belt (speed-change belt) 12 cam mechanism 13 rotation cam (rotation member) 15 speed-change cam surface Reference Signs List 18 fixed cam (fixed body) 20 cam roller 27 locking roller (locking member) 29 engaging pin (engaging member) 31 belt running roller
Claims (4)
ブからなる変速プーリと、 上記変速プーリの両シーブ間のベルト溝に巻き掛けられ
た変速ベルトと、 上記可動シーブに相対回転可能にかつ軸方向に移動一体
に連結され、回転軸回りに回動して可動シーブを固定シ
ーブに対し接離させる回動部材とを備え、 上記回動部材を変速範囲で回動させることにより、上記
可動シーブを固定シーブに対し接離させて変速する一
方、回動部材を上記変速範囲から該変速範囲に隣接する
クラッチオフ位置に回動させることにより、可動シーブ
を固定シーブから略最大に離隔させて変速プーリと変速
ベルトとの間の動力伝達を遮断するクラッチオフ状態に
するようにしたベルト式無段変速機のクラッチ装置であ
って、 上記可動シーブ背面側の固定体に設けられた係止部材
と、 上記回動部材に設けられ、回動部材が上記変速範囲から
クラッチオフ位置に回動したときに、上記係止部材との
係合により可動シーブを固定シーブから離隔させてクラ
ッチオフ状態にする係合部材とを備えたことを特徴とす
るベルト式無段変速機のクラッチ装置。A transmission pulley comprising a fixed and a movable sheave supported on a rotating shaft; a transmission belt wound around a belt groove between the sheaves of the transmission pulley; and a rotatable relative to the movable sheave. A rotating member that is integrally connected to move in the axial direction and that rotates around a rotation axis to move the movable sheave toward and away from the fixed sheave. By shifting the sheave toward and away from the fixed sheave and shifting the rotating member from the shift range to the clutch off position adjacent to the shift range, the movable sheave is separated from the fixed sheave substantially to the maximum. A clutch device for a belt-type continuously variable transmission configured to be in a clutch-off state for interrupting power transmission between a speed change pulley and a speed change belt, wherein the clutch device is provided on a fixed body on the back side of the movable sheave. The movable sheave is separated from the fixed sheave by engagement with the locking member when the rotating member is rotated from the shift range to the clutch-off position. A clutch device for a belt-type continuously variable transmission, comprising:
チ装置において、 回動部材は回動カムである一方、固定体は、上記回動カ
ムとカム接触する固定カムであり、 上記回動カム又は固定カムの一方に、所定の傾斜角度で
傾斜する変速カム面が形成されている一方、他方には上
記変速カム面に接触する接触部が設けられていて、回動
及び固定カムの相対回動により可動シーブを固定シーブ
に対し接離させるように構成されていることを特徴とす
るベルト式無段変速機のクラッチ装置。2. The clutch device for a belt-type continuously variable transmission according to claim 1, wherein the rotating member is a rotating cam, and the fixed body is a fixed cam that comes into contact with the rotating cam. One of the moving cam and the fixed cam is formed with a speed change cam surface inclined at a predetermined angle, and the other is provided with a contact portion that comes into contact with the speed change cam surface. A clutch device for a belt-type continuously variable transmission, wherein a movable sheave is moved toward and away from a fixed sheave by relative rotation.
クラッチ装置において、 係止部材又は係合部材の少なくとも一方がローラからな
ることを特徴とするベルト式無段変速機のクラッチ装
置。3. The clutch device for a belt-type continuously variable transmission according to claim 1, wherein at least one of the locking member and the engaging member comprises a roller. .
無段変速機のクラッチ装置において、 変速プーリの固定及び可動シーブ間のベルト溝底部に、
クラッチオフ状態で変速ベルトが乗り上げるベルト乗上
げローラが回転可能に設けられていることを特徴とする
ベルト式無段変速機のクラッチ装置。4. The clutch device for a belt-type continuously variable transmission according to any one of claims 1 to 3, wherein at a bottom of a belt groove between a fixed and a movable sheave of a transmission pulley,
A clutch device for a belt-type continuously variable transmission, wherein a belt riding roller on which the speed change belt rides when the clutch is off is rotatably provided.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000357525A JP2002161956A (en) | 2000-11-24 | 2000-11-24 | Belt type continuously variable transmission |
| CNB011349115A CN1202363C (en) | 2000-11-24 | 2001-11-13 | Engaging and disengaging gear of belt buncher |
| KR1020010071729A KR20020040564A (en) | 2000-11-24 | 2001-11-19 | Clutch device of belt type continuously variable transmission |
| TW090128995A TW505755B (en) | 2000-11-24 | 2001-11-22 | Clutch device of belt-typed non-stage transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2000357525A JP2002161956A (en) | 2000-11-24 | 2000-11-24 | Belt type continuously variable transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2002161956A true JP2002161956A (en) | 2002-06-07 |
Family
ID=18829568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2000357525A Pending JP2002161956A (en) | 2000-11-24 | 2000-11-24 | Belt type continuously variable transmission |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2002161956A (en) |
| KR (1) | KR20020040564A (en) |
| CN (1) | CN1202363C (en) |
| TW (1) | TW505755B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009518600A (en) * | 2005-12-10 | 2009-05-07 | シーヴィトロン リミテッド | Transmission system particularly useful as a continuously variable transmission |
-
2000
- 2000-11-24 JP JP2000357525A patent/JP2002161956A/en active Pending
-
2001
- 2001-11-13 CN CNB011349115A patent/CN1202363C/en not_active Expired - Fee Related
- 2001-11-19 KR KR1020010071729A patent/KR20020040564A/en not_active Application Discontinuation
- 2001-11-22 TW TW090128995A patent/TW505755B/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009518600A (en) * | 2005-12-10 | 2009-05-07 | シーヴィトロン リミテッド | Transmission system particularly useful as a continuously variable transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1202363C (en) | 2005-05-18 |
| TW505755B (en) | 2002-10-11 |
| KR20020040564A (en) | 2002-05-30 |
| CN1355387A (en) | 2002-06-26 |
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