Guide frame support device
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United States of America Patent
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Aug 9, 2016
Issued Date -
N/A
app pub date -
Jun 15, 2012
filing date -
Jan 18, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
Provided is a guide frame support device for a pipe welding device, the guide frame support device, which supports a guide frame provided on an outer circumferential surface of a pipe to be welded, including: a hinge bar connected to an inner circumferential surface of the guide frame; a pair of support bars which rotates around the hinge bar at a predetermined angle; hinge links, one side of each of which is hinge-connected to both ends of the hinge bar and the other side of each of which is connected to both ends of the pair of support bars; and a torsion spring provided between the pair of support bars and for providing elastic force to enable the support bars to rotate around the hinge bar at a predetermined angle.
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