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Photovoltaic array with minimally penetrating rooftop support system

United States Patent

October 23, 2012
View the Complete Patent at the US Patent & Trademark Office
A photovoltaic array including a plurality of photovoltaic assemblies and a plurality of mounting units. The mounting units each include an elongate rail and a plurality of leg assemblies. The rail is sized and configured to maintain a portion of at least two of the photovoltaic assemblies, with the leg assemblies extending from the rail in a spaced-apart fashion and terminating in a foot for placement against a rooftop structure for minimally penetration installation. Further, at least one of the leg assemblies can include a retractable leg. When the photovoltaic array is installed to a rooftop structure including a membrane intermittently secured to a rooftop deck, the retractable leg accommodates upward billowing of the membrane under windy conditions.
Lenox; Carl J. S. (Oakland, CA)
SunPower Corporation (San Jose, CA)
12/ 416,358
April 1, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under Contract No. DE-FC36-07GO17043 awarded by the United States Department of Energy. The Government has certain rights in this invention.