| 发明名称 |
Crank |
| 摘要 |
In a crank, a tri-iron tetroxide thin film is formed over at least one of the inner surface of a hole formed in a crank arm and one end of a crank pin, and the end of the crank pin is press fitted into the hole formed in the crank arm.
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| 申请公布号 |
US4838116(A) |
申请公布日期 |
1989.06.13 |
| 申请号 |
US19880232785 |
申请日期 |
1988.08.16 |
| 申请人 |
KIORITZ CORPORATION |
发明人 |
SAITO, YASUO;OZAKI, TADASHI;MASUDA, ISAO |
| 分类号 |
B23P11/02;F16B4/00;F16C3/10 |
主分类号 |
B23P11/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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| 地址 |
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