Door hinge structure
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United States of America Patent
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Issued Date -
Apr 10, 2008
app pub date -
Oct 6, 2006
filing date -
Oct 6, 2006
priority date (Note) -
Abandoned
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Abstract
A door hinge structure includes a turning body and a fixing body installed respectively at upper and lower lateral positions of a door plank and a door frame, and the turning body and the fixing body are pivotally coupled by an axial bolt, such that the resilience of a transversal long spring coil installed in the turning body can be enhanced to achieve the effects for installing the door plank successfully in a one-time construction and quickly resuming the door plank to its closed position.
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