ADJUSTABLE ROTARY EXPANSION MECHANISM FOR FRAMES OF AN ARTICLE
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United States of America Patent
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N/A
Issued Date -
Jul 2, 2009
app pub date -
Dec 28, 2007
filing date -
Dec 28, 2007
priority date (Note) -
Abandoned
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Abstract
An expansion mechanism for separating first and second frames of an expandable article. The mechanism includes a rotary element that drives movement of an expansion element along a linear axis.
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