JPS61131391U - - Google Patents
Info
- Publication number
- JPS61131391U JPS61131391U JP1484185U JP1484185U JPS61131391U JP S61131391 U JPS61131391 U JP S61131391U JP 1484185 U JP1484185 U JP 1484185U JP 1484185 U JP1484185 U JP 1484185U JP S61131391 U JPS61131391 U JP S61131391U
- Authority
- JP
- Japan
- Prior art keywords
- mounting portion
- crank
- pedal shaft
- registration request
- partition walls
- 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
- 238000005192 partition Methods 0.000 claims description 2
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Description
第１図は本考案の実施例に係るクランクの横断
面図、第２図は同平面図、第３図乃至第５図はそ
れぞれ異なつた実施例に係り、第３図及び第４図
はクランクの横断面図、第５図はクランクの要部
縦断面図である。
１……クランク、２……連結アーム、３……ペ
ダル軸取付部、４……クランク軸取付部、７……
クランク本体、８……芯体、９……隔壁、１０…
…中空部分。
Fig. 1 is a cross-sectional view of a crank according to an embodiment of the present invention, Fig. 2 is a plan view of the same, Figs. 3 to 5 each relate to different embodiments, and Figs. FIG. 5 is a longitudinal sectional view of the main part of the crank. 1...Crank, 2...Connection arm, 3...Pedal shaft attachment part, 4...Crankshaft attachment part, 7...
Crank body, 8... Core body, 9... Partition wall, 10...
...Hollow part.
Claims (1)
部を連結する連結アームとが一体成形されてなる
クランク本体の内部に、隔壁によつて互いに仕切
られた複数の中空部分を有する芯体が埋設されて
いることを特徴とする自転車のクランク。 A core body having a plurality of hollow portions separated from each other by partition walls is embedded inside a crank body in which a pedal shaft mounting portion, a crankshaft mounting portion, and a connecting arm connecting both mounting portions are integrally molded. A bicycle crank characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1484185U JPS61131391U (en) | 1985-02-04 | 1985-02-04 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1484185U JPS61131391U (en) | 1985-02-04 | 1985-02-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61131391U true JPS61131391U (en) | 1986-08-16 |
Family
ID=11872259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1484185U Pending JPS61131391U (en) | 1985-02-04 | 1985-02-04 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61131391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0850826A2 (en) | 1996-12-27 | 1998-07-01 | Shimano Inc. | Bicycle crank and method for manufacturing same |
| EP0850827A2 (en) | 1996-12-27 | 1998-07-01 | Shimano Inc. | Bicycle crank and method for manufacturing same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS529140U (en) * | 1975-07-08 | 1977-01-22 |
-
1985
- 1985-02-04 JP JP1484185U patent/JPS61131391U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS529140U (en) * | 1975-07-08 | 1977-01-22 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0850826A2 (en) | 1996-12-27 | 1998-07-01 | Shimano Inc. | Bicycle crank and method for manufacturing same |
| EP0850827A2 (en) | 1996-12-27 | 1998-07-01 | Shimano Inc. | Bicycle crank and method for manufacturing same |
| EP0850826B1 (en) * | 1996-12-27 | 2003-11-19 | Shimano Inc. | Bicycle crank and method for manufacturing same |