Spring hinge
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United States of America Patent
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Oct 8, 2002
Grant Date -
N/A
app pub date -
Mar 5, 2001
filing date -
Mar 5, 2001
priority date (Note) -
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status (Latency Note)
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Abstract
A spring hinge including a pair of hinge leaves having hollow knuckles on adjacent hinges which are arranged in substantially axial alignment such that the hollow knuckles comprise segments of a hinge barrel. A torsion spring made up of a resilient coiled spring member is housed within the hinge barrel. First and second pintles are disposed at opposing ends of the hinge barrel and extend into and between axially aligned knuckles of the hinge leaves. The first and second pintles each engaging the spring member in a locked arrangement such that the spring member extends in a substantially locked relation between the first and second pintles.
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