Collapsible structure with self-locking mechanism and method of erecting a collapsible structure
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United States of America Patent
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May 11, 2010
Grant Date -
Sep 22, 2005
app pub date -
Feb 18, 2004
filing date -
Feb 18, 2004
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A collapsible structure with a self-locking mechanism includes a first hub, at least two struts pivotable connected at a first ends thereof to the first hub and movable relative to each another between a folded position and an expanded position, and a tension member adapted to limit pivotable movement of at least two struts such that, when in the expanded position, the at least two struts define an angle of less than 180°. The structure further includes a locking hub and at least two locking struts pivotably connected at first ends thereof to the locking hub and, at seconds ends thereof, to connection points on respective ones of the at least two struts. A method of erecting a structure is also disclosed.
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