Hold-down release apparatus and methods incorporating a fuse wire
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United States of America Patent
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Sep 12, 2017
Grant Date -
N/A
app pub date -
Aug 27, 2016
filing date -
Aug 27, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A hold-down release apparatus includes a housing, a reciprocating retention member, a release member, bias member(s), and a fuse wire. The retention member moves between retention and release positions and is biased toward the release position. With the retention member in the release position, the release member can move out of the housing; with the retention member in the retention position, the retention member obstructs the release member from moving out of the housing. The fuse wire obstructs movement of the retention member to the release position and holds the retention member in the retention position against the bias force. With an actuation current flowing through the fuse wire, the bias force breaks the fuse wire, allowing the retention member to move to the release position in response to the bias force, and the release member to move out of the housing.
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