Invention Grant
US07895836B2 Shape memory alloy actuator, apparatus for manufacturing shape memory alloy actuator, method for stringing shape memory alloy, and method for manufacturing shape memory alloy actuator
有权
形状记忆合金致动器，形状记忆合金致动器的制造装置，形状记忆合金的拉丝方法以及形状记忆合金致动器的制造方法
- Patent Title: Shape memory alloy actuator, apparatus for manufacturing shape memory alloy actuator, method for stringing shape memory alloy, and method for manufacturing shape memory alloy actuator
- Patent Title (中): 形状记忆合金致动器，形状记忆合金致动器的制造装置，形状记忆合金的拉丝方法以及形状记忆合金致动器的制造方法
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Application No.: US12038940Application Date: 2008-02-28
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Publication No.: US07895836B2Publication Date: 2011-03-01
- Inventor: Kouji Hamaguchi
- Applicant: Kouji Hamaguchi
- Applicant Address: JP Tokyo
- Assignee: Konica Minolta Holdings, Inc.
- Current Assignee: Konica Minolta Holdings, Inc.
- Current Assignee Address: JP Tokyo
- Agency: Sidley Austin LLP
- Priority: JP2007-053921 20070305; JP2008-042687 20080225
- Main IPC: F01B29/10
- IPC: F01B29/10 ; F02G1/04 ; B23H1/00 ; G03B17/00
Abstract:
A method of string an SMA, method of manufacturing the SMA actuator, SMA actuator and apparatus for manufacturing the SMA actuator, wherein a drive member made up of an SMA is extended between a moving member and wire supporting member via a drive member supporting member, and current is applied to the unnecessary portion of the drive member located between the wire supporting member and drive member supporting member, whereby the unnecessary portion of the drive member is cut off by melting, with the result that the size of the protrusion left behind after cutting of the SMA is reduced, and there is no need of giving consideration to the durability of a cutter otherwise used for cutting purposes.
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