Articulating cage
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United States of America Patent
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Oct 22, 2013
Grant Date -
Aug 16, 2012
app pub date -
Aug 17, 2011
filing date -
Aug 17, 2010
priority date (Note) -
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Abstract
An articulating cage configured to raise and lower with respect to a fixed structure. The articulating cage comprises support structures affixed to the fixed structure and that include one or more springs. The articulating cage includes lifting arms that are pivotally connected to the support structures at one end and to a cage portion at the other end. A load chain connects to the springs at one end and to the lifting arm at the other near to the location where the lifting arm connects to the cage portion.
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