发明名称 |
Drive apparatus having a ball screw using ultrasonic motors concentric with its nuts |
摘要 |
A drive apparatus equipped with a ball screw and a plurality of nuts achieves compact size while maintaining output. The above-mentioned effect is obtained by employing ultrasonic motors, concentric with the nuts and ballscrews, which are flat and able to maintain a high output, for driving the nuts.
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申请公布号 |
US5647245(A) |
申请公布日期 |
1997.07.15 |
申请号 |
US19950423853 |
申请日期 |
1995.04.18 |
申请人 |
NIPPON THOMPSON CO., LTD. |
发明人 |
TAKEI, SEIJI |
分类号 |
F16H25/20;F16H25/12;F16H25/22;F16H25/24;H01L41/09;(IPC1-7):F16H25/12;H01L41/08 |
主分类号 |
F16H25/20 |
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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