发明名称 |
Ball screw with lubricating grease and seal member of solid lubricating composition |
摘要 |
A plurality of balls 3 are disposed for rolling and circulation in a spiral calculation passage defined between a spiral screw groove surface 1a formed on the outer periphery of a screw shaft 1 and a spiral screw groove surface 2a formed on the inner periphery of a ball nut 2. The opposite ends of the ball nut are each formed with a seal mounting portion 2b, in which a seal member 4 made of solid lubricating composition is mounted, sealing off the ball nut 2. The ball nut 2 has lubricating grease G sealed therein.
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申请公布号 |
US6178839(B1) |
申请公布日期 |
2001.01.30 |
申请号 |
US19980203499 |
申请日期 |
1998.12.01 |
申请人 |
NTN CORPORATION |
发明人 |
YOSHIDA ISAMU;NOBUTOMO MASAHIRO;OWADA TAKAYUKI |
分类号 |
F16H25/22;F16H25/24;(IPC1-7):F16H25/24 |
主分类号 |
F16H25/22 |
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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