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Siłownik
专利权人:
Linak A/S
发明人:
LORENZEN, ANDERS B.
申请号:
PL09708366
公开号:
PL2250401T3
申请日:
2009.02.09
申请国别(地区):
PL
年份:
2013
代理人:
摘要:
An emergency lowering (retraction) mechanism for a linear actuator includes first and second cylindrical parts, an operating handle outside of the first cylindrical part, and a coil spring which has a first end connected to the operating handle, a second end connected to the second cylindrical part, and a plurality of windings, with some of the windings wrapping around and contacting the outer periphery of the first cylindrical part and some wrapping around and contacting the outer periphery of the second cylindrical part.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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