JP2003184978A5 - - Google Patents
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- JP2003184978A5 JP2003184978A5 JP2001380362A JP2001380362A JP2003184978A5 JP 2003184978 A5 JP2003184978 A5 JP 2003184978A5 JP 2001380362 A JP2001380362 A JP 2001380362A JP 2001380362 A JP2001380362 A JP 2001380362A JP 2003184978 A5 JP2003184978 A5 JP 2003184978A5
- Authority
- JP
- Japan
- Prior art keywords
- support hole
- trunnion
- cross
- case
- width direction
- 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
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Description
次に、図５は、請求項１〜２に対応する、本発明の実施の形態の第３例を示している。本例の場合には、支持孔３４ｂの断面形状を、この支持孔３４ｂの軸方向全体に亙って非円形としている。即ち、この支持孔３４ｂの断面形状を、トラニオン６の幅方向に関する内径ｄ1 を長径とし、このトラニオン６の長さ方向に関する内径ｄ2 を短径とした、楕円形としている。この様な本例の場合は、上記支持孔３４ｂの断面を軸方向全体に亙って楕円形としている為、この支持孔３４ｂにラジアルニードル軸受３０ａを構成する外輪３２（図１１参照）を締まり嵌めで内嵌する場合でも、この支持孔３４ｂの開口縁のうちで上記トラニオン６の幅方向両端部分に欠け等の損傷を生じにくくできる他、この支持孔３４ｂの内周面のうちで上記トラニオン６の幅方向両端部分に、擦り傷等の損傷を生じにくくできる。又、上記外輪３２を上記支持孔３４ｂに挿入する方向も規制されない（内側からでも外側からでも良い）為、組み付け作業の自由度が向上する。その他の構成及び作用は、前述した第１例と同様であるから、重複する説明は省略する Next, FIG. 5 shows a third example of the embodiment of the present invention corresponding to claims 1-2. In the case of this example, the cross-sectional shape of the support hole 34b is non-circular over the entire axial direction of the support hole 34b. That is, the cross-sectional shape of the support hole 34b, the inner diameter d 1 in the width direction of the trunnion 6 and the major axis, and the inner diameter d 2 of the length direction of the trunnion 6 and minor, are oval. In the case of this example, since the cross section of the support hole 34b is elliptical over the entire axial direction, the outer ring 32 (see FIG. 11) constituting the radial needle bearing 30a is fastened to the support hole 34b. Even in the case of the inner fitting, in the opening edge of the support hole 34b, both ends in the width direction of the trunnion 6 are less likely to be damaged, and in addition, the trunnion in the inner peripheral surface of the support hole 34b In the width direction both ends of 6, it can be hard to produce damage, such as an abrasion. Further, since the direction in which the outer ring 32 is inserted into the support hole 34b is not restricted (it may be from the inner side or from the outer side), the degree of freedom of the assembling operation is improved. The other configuration and operation are the same as those of the first example described above, and therefore, redundant description will be omitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001380362A JP3820978B2 (en) | 2001-12-13 | 2001-12-13 | Toroidal continuously variable transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001380362A JP3820978B2 (en) | 2001-12-13 | 2001-12-13 | Toroidal continuously variable transmission |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2003184978A JP2003184978A (en) | 2003-07-03 |
| JP2003184978A5 true JP2003184978A5 (en) | 2005-06-16 |
| JP3820978B2 JP3820978B2 (en) | 2006-09-13 |
Family
ID=27591446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2001380362A Expired - Fee Related JP3820978B2 (en) | 2001-12-13 | 2001-12-13 | Toroidal continuously variable transmission |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3820978B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4807033B2 (en) * | 2005-10-17 | 2011-11-02 | 日本精工株式会社 | Half toroidal continuously variable transmission |
| WO2008129651A1 (en) * | 2007-04-13 | 2008-10-30 | Nsk Ltd. | Half-toroidal type continuously variable transmission |
-
2001
- 2001-12-13 JP JP2001380362A patent/JP3820978B2/en not_active Expired - Fee Related
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