FRAME CONNECTION STRUCTURE FOR STAGE ERECTION
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United States of America Patent
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Issued Date -
Dec 11, 2014
app pub date -
May 6, 2014
filing date -
Jun 5, 2013
priority date (Note) -
Abandoned
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Abstract
Disclosed therein is a frame connection structure for stage erection including first and second frames which respectively have a rectangular frame structure and are arranged perpendicularly to each other. First and second connection brackets respectively fix the first and second frames arranged perpendicularly to each other. Each of the first and second connection brackets includes: at least one head joining part formed for inserting and fixing a head part of a bolt thereinto; and at least one screw joining part formed inside the head joining part for joining a screw part of the bolt. The head joining part and the screw joining part are joined to each other in such a manner that the bolt joined to the head joining part of the first connection bracket is joined to the screw joining part of the second connection bracket.
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