Invention Grant
US08186060B2 Method to provide initial tension for coil spring and its application
有权
提供螺旋弹簧初始张力及其应用的方法
- Patent Title: Method to provide initial tension for coil spring and its application
- Patent Title (中): 提供螺旋弹簧初始张力及其应用的方法
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Application No.: US11843035Application Date: 2007-08-22
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Publication No.: US08186060B2Publication Date: 2012-05-29
- Inventor: Kwang-Koo Jee , Yoon-Bae Kim , Jun-Hyun Han
- Applicant: Kwang-Koo Jee , Yoon-Bae Kim , Jun-Hyun Han
- Applicant Address: KR
- Assignee: Korea Institute of Science and Technology
- Current Assignee: Korea Institute of Science and Technology
- Current Assignee Address: KR
- Agency: Ostrolenk Faber LLP
- Priority: KR10-2006-0080747 20060824; KR10-2007-0043721 20070504
- Main IPC: B21F35/00
- IPC: B21F35/00
Abstract:
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.
Public/Granted literature
- US20080047144A1 METHOD TO PROVIDE INITIAL TENSION FOR COIL SPRING AND ITS APPLICATION Public/Granted day:2008-02-28
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