Spring back hinge with or without spring lock mechanism
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United States of America Patent
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Jun 23, 2015
Grant Date -
May 16, 2013
app pub date -
Nov 13, 2012
filing date -
Nov 11, 2011
priority date (Note) -
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status (Latency Note)
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Abstract
A spring back hinge interconnects a backrest frame to a chair seat frame or is mountable to just the chair base frame, the spring back hinge being optionally fittable with a lever actuated locking assembly and the spring back hinge being fittable on a single side or both sides, alternative back rest frames being fittable to the spring back hinge.
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