发明名称 |
Method to provide initial tension for coil spring and its application |
摘要 |
A method for enhancing an initial tension by changing a wound direction of a coil spring. A large and precise initial tension is provided to the coil spring. An actuator having an excellent function is prepared by using a shape memory alloy. Each shape of the coil spring at high and low temperatures can be controlled by a flexible shape memory effect. |
申请公布号 |
US8186060(B2) |
申请公布日期 |
2012.05.29 |
申请号 |
US20070843035 |
申请日期 |
2007.08.22 |
申请人 |
JEE KWANG-KOO;KIM YOON-BAE;HAN JUN-HYUN;KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY |
发明人 |
JEE KWANG-KOO;KIM YOON-BAE;HAN JUN-HYUN |
分类号 |
B21F35/00 |
主分类号 |
B21F35/00 |
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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