Shape memory alloy wrap spring clutch
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United States of America Patent
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N/A
Issued Date -
Jun 12, 2003
app pub date -
Dec 7, 2001
filing date -
Dec 7, 2001
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A wrap spring clutch having a spring constructed of a shape memory alloy. This wrap spring clutch operates in the same manner as any other basic wrap spring clutch except that the spring expands and releases when the spring is heated to a predetermined temperature. The heat may be applied to the spring through external sources or by an electrical current being applied to the spring.
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