发明名称 |
Cross shaft and cross shaft joint |
摘要 |
A cross shaft has four trunnions externally provided with roller bearings in a plurality of rows. Each of the trunnions is formed with a recess at its distal end face. A bottom region of the recess is formed in a spherical shape. An inner diameter of an opening region of the recess except the bottom region in a spherical shape is set to be gradually larger toward an opening end edge of the recess. A depth of the recess from the opening end edge to the deepest point is set to be 30 to 70% of the total length of the rollers in an axial direction. By providing this recess is a shape of a punch bowl, rigidity of each of the trunnions of the cross shaft can be reduced, while securing sufficient strength of the trunnion.
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申请公布号 |
US2004114991(A1) |
申请公布日期 |
2004.06.17 |
申请号 |
US20030729015 |
申请日期 |
2003.12.08 |
申请人 |
KOYO SEIKO CO., LTD. |
发明人 |
KOMEYAMA NOBUO;YAMAMOTO KENJI |
分类号 |
F16C19/28;F16C19/48;F16C19/56;F16C33/58;F16D3/26;F16D3/38;F16D3/41;(IPC1-7):F16D1/12 |
主分类号 |
F16C19/28 |
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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