JPS6217349Y2 - - Google Patents
Info
- Publication number
- JPS6217349Y2 JPS6217349Y2 JP7077482U JP7077482U JPS6217349Y2 JP S6217349 Y2 JPS6217349 Y2 JP S6217349Y2 JP 7077482 U JP7077482 U JP 7077482U JP 7077482 U JP7077482 U JP 7077482U JP S6217349 Y2 JPS6217349 Y2 JP S6217349Y2
- Authority
- JP
- Japan
- Prior art keywords
- crank
- crankshaft
- strength
- steel
- boss
- 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.)
- Expired
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 13
- 239000010959 steel Substances 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 5
- 238000005242 forging Methods 0.000 description 7
- 238000005520 cutting process Methods 0.000 description 5
- 229910001234 light alloy Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 230000009194 climbing Effects 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000013585 weight reducing agent Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Transmission Devices (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7077482U JPS58173594U (ja) | 1982-05-15 | 1982-05-15 | 自転車用クランク |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7077482U JPS58173594U (ja) | 1982-05-15 | 1982-05-15 | 自転車用クランク |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58173594U JPS58173594U (ja) | 1983-11-19 |
| JPS6217349Y2 true JPS6217349Y2 (en]) | 1987-05-02 |
Family
ID=30080422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7077482U Granted JPS58173594U (ja) | 1982-05-15 | 1982-05-15 | 自転車用クランク |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58173594U (en]) |
-
1982
- 1982-05-15 JP JP7077482U patent/JPS58173594U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58173594U (ja) | 1983-11-19 |
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