Patent ID: 7980029

Claim:
An extendible shelter for a building, said shelter comprising: a frame connected to the building and extendible and retractable relative thereto, said frame having generally vertical first and second side support sections and a roof support portion section connecting the side support sections; a plurality of extendible and retractable covers connected to the building and to an outermost frame end of the frame, at least one cover for each side support section and said roof support section, each cover forming an adjacent cover pair with an adjacent said cover, said covers of said cover pairs having generally facing adjacent cover edges; a plurality of fasteners, one-fastener for each adjacent cover pair, fixedly connecting said covers of said pair to one another at respective outermost edge ends of said adjacent cover edges and having said adjacent cover edges threaded therethrough, said fasteners respectively fastening and unfastening said covers of said cover pairs to one another as said shelter is, respectively, extended and retracted between an extended configuration therefor, in which said frame is fully extended and covered by said covers fastened to one another along said adjacent cover edges, and a retracted configuration, in which said frame is retracted and said covers are unfastened from one another along said adjacent cover edges, each fastener being a zipper having a respective slider attached to said building and being fixed relative thereto, a respective outer stop connecting said respective outermost edge ends, and respective sets of interlocking teeth extending from said respective outermost edge ends along said adjacent cover edges and threaded through said slider, said respective sets of interlocking teeth being fastened together and unfastened from one another by said slider by passage therethrough, during, respectively, extension and retraction of said frame and said covers; and wherein said covers are rotatably mounted on respective spools therefore connected to the building, said covers being rolled outwardly off and inwardly back on the respective spools during, respectively, extension and retraction of said shelter; and wherein said spools are mounted on respective spool members therefor, said respective spool members for said respective spools of each respective cover pair having interconnecting spool member gears on respective adjacent spool member ends thereof, said interconnecting spool member gears engaging one another as said covers are retracted and extended with said frame to ensure uniform extension and retraction of said covers.