Frame structure for stage erection
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United States of America Patent
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Dec 30, 2014
Grant Date -
Jun 6, 2013
app pub date -
Aug 11, 2011
filing date -
Aug 18, 2010
priority date (Note) -
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Abstract
A frame structure for stage erection comprises a plurality of support frames and a bridge. The support frames are disposed parallel to each other, and respectively have rail recesses formed in the length direction in facing locations. The bridge connects across the support frames so as to maintain a mutually parallel state, and has a rail-joining part for fastening to and separating from the rail recesses in at least one of the two end locations.
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