JPH02115788U - - Google Patents
Info
- Publication number
- JPH02115788U JPH02115788U JP2540889U JP2540889U JPH02115788U JP H02115788 U JPH02115788 U JP H02115788U JP 2540889 U JP2540889 U JP 2540889U JP 2540889 U JP2540889 U JP 2540889U JP H02115788 U JPH02115788 U JP H02115788U
- Authority
- JP
- Japan
- Prior art keywords
- sprocket
- bicycle
- crank arm
- stage
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Gears, Cams (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025408U JP2504839Y2 (ja) | 1989-03-06 | 1989-03-06 | 自転車用多段スプロケット装置 |
| US07/488,121 US4988328A (en) | 1989-03-06 | 1990-03-05 | Bicycle multiple chainwheel |
| EP90104240A EP0386685B1 (en) | 1989-03-06 | 1990-03-06 | Bicycle multiple chainwheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989025408U JP2504839Y2 (ja) | 1989-03-06 | 1989-03-06 | 自転車用多段スプロケット装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02115788U true JPH02115788U (fi) | 1990-09-17 |
| JP2504839Y2 JP2504839Y2 (ja) | 1996-07-24 |
Family
ID=31246119
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989025408U Expired - Lifetime JP2504839Y2 (ja) | 1989-03-06 | 1989-03-06 | 自転車用多段スプロケット装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2504839Y2 (fi) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104890U (ja) * | 1982-12-29 | 1984-07-14 | 株式会社スギノテクノ | 自転車用ダブルギヤ |
-
1989
- 1989-03-06 JP JP1989025408U patent/JP2504839Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59104890U (ja) * | 1982-12-29 | 1984-07-14 | 株式会社スギノテクノ | 自転車用ダブルギヤ |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2504839Y2 (ja) | 1996-07-24 |