Ladder and support stand
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 26, 2013
Grant Date -
Mar 10, 2011
app pub date -
Jul 28, 2010
filing date -
Jul 28, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A convertible ladder and scaffold assembly includes a plurality of uprights and a plurality of beams each extending from one of the uprights. A plurality of hinges each hingedly connect one of the uprights to one of the beams about a rotational axis (AR) to provide an assembly having ladder, scaffold, push-cart, and storage configurations. Each of the hinges defines catches and present a stop releasably engaging catches for preventing rotation about the rotational axis (AR). At least one lever bar releasably engages a plurality of the stops for simultaneously releasing a plurality of the stops from engaging catches. Each of the lever bars have a plurality of lever sections for providing leverage to disengage the stops from the catches. Each of the lever bars has a grip section interconnecting the lever sections for simultaneously releasing a plurality of the stops from engaging the catches.
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