发明名称 |
Rotational element for automatic transmission |
摘要 |
The present invention provides a rotational element for an automatic transmission having at least one kind of grooves that are deeper from the outer diameter side to the inner diameter side, grooves that are deeper toward a rotational direction, and grooves that are deeper from the outer diameter side to the inner diameter side, and toward the rotational direction.
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申请公布号 |
US2004079605(A1) |
申请公布日期 |
2004.04.29 |
申请号 |
US20030403523 |
申请日期 |
2003.04.01 |
申请人 |
NSK-WARNER KABUSHIKI KAISHA |
发明人 |
ITOH HIROFUMI;ICHIKAWA KIYOKAZU |
分类号 |
F16D25/0638;F16D13/64;(IPC1-7):F16D3/34 |
主分类号 |
F16D25/0638 |
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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