JPH0297183U - - Google Patents
Info
- Publication number
- JPH0297183U JPH0297183U JP460689U JP460689U JPH0297183U JP H0297183 U JPH0297183 U JP H0297183U JP 460689 U JP460689 U JP 460689U JP 460689 U JP460689 U JP 460689U JP H0297183 U JPH0297183 U JP H0297183U
- Authority
- JP
- Japan
- Prior art keywords
- nut body
- crankshaft
- outer periphery
- circumferential surface
- inner circumferential
- 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
- 238000005096 rolling process Methods 0.000 claims description 2
Description
第１図は本考案取付構造の一実施例を示す断面
図、第２図は要部のみの拡大断面図、第３図はナ
ツト体のみの拡大断面図、第４図は別の実施例を
示す一部省略断面図である。
１……ボトムブラケツト、２……クランク軸、
３，４……転動体、５……軸受筒、６……ナツト
体、６１……水抜孔、Ｋ……空間、Ｃ……軸ユニ
ツト。
Fig. 1 is a sectional view showing one embodiment of the mounting structure of the present invention, Fig. 2 is an enlarged sectional view of only the main parts, Fig. 3 is an enlarged sectional view of only the nut body, and Fig. 4 shows another embodiment. It is a partially omitted sectional view shown. 1...Bottom bracket, 2...Crankshaft,
3, 4...Rolling element, 5...Bearing sleeve, 6...Nut body, 61...Drain hole, K...Space, C...Shaft unit.
Claims (1)
して軸受筒５を回転自由で、かつ軸方向移動不能
に支持した軸ユニツトＣを形成し、この軸ユニツ
トＣにおける前記軸受筒５の一端部に、自転車に
おけるボトムブラケツト１の一端と当接する係合
突起５１を設け、他端部外周にナツト体６を螺着
し、このナツト体６の締込みにより前記軸ユニツ
トＣを前記ボトムブラケツト１に取付ける如く成
すと共に、前記ナツト体６の内周面に、前記ブラ
ケツト内周面と前記軸受筒内周面との間の空間Ｋ
に開口する水抜孔６１を設けたことを特徴とする
自転車用クランク軸の取付構造。 A shaft unit C is formed on the outer periphery of the crankshaft 2 in which a bearing sleeve 5 is supported rotatably and immovably in the axial direction via a pair of rolling elements 3 and 4, and one end of the bearing sleeve 5 in this shaft unit C is formed. An engaging protrusion 51 that comes into contact with one end of the bottom bracket 1 of the bicycle is provided on the bottom bracket 1, and a nut body 6 is screwed onto the outer periphery of the other end. The nut body 6 has a space K between the inner circumferential surface of the bracket and the inner circumferential surface of the bearing cylinder.
A mounting structure for a bicycle crankshaft, characterized in that a drain hole 61 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP460689U JPH0297183U (en) | 1989-01-18 | 1989-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP460689U JPH0297183U (en) | 1989-01-18 | 1989-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0297183U true JPH0297183U (en) | 1990-08-02 |
Family
ID=31207267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP460689U Pending JPH0297183U (en) | 1989-01-18 | 1989-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0297183U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581523U (en) * | 1992-04-06 | 1993-11-05 | オリジン電気株式会社 | Double-row angular contact ball bearing and hard disk drive using the same |
| JP2002331983A (en) * | 2001-05-11 | 2002-11-19 | Yamaha Motor Co Ltd | Electric assisted bicycle |
| JP2013022996A (en) * | 2011-07-19 | 2013-02-04 | Honda Motor Co Ltd | Vehicle body frame, saddle-riding type vehicle having the same, and production method of vehicle body frame |
-
1989
- 1989-01-18 JP JP460689U patent/JPH0297183U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0581523U (en) * | 1992-04-06 | 1993-11-05 | オリジン電気株式会社 | Double-row angular contact ball bearing and hard disk drive using the same |
| JP2002331983A (en) * | 2001-05-11 | 2002-11-19 | Yamaha Motor Co Ltd | Electric assisted bicycle |
| JP2013022996A (en) * | 2011-07-19 | 2013-02-04 | Honda Motor Co Ltd | Vehicle body frame, saddle-riding type vehicle having the same, and production method of vehicle body frame |