| 主权项 |
1. A retractable cover affixed to a structure having an open space, said open space having a deck with a perimeter, said perimeter defining an open area, said cover having:
a center section having a front roller, said front roller having a front inner shaft having curved portions at distal ends and a straight portion located therebetween and affixed to a frame at said distal ends, a rotatable outer portion circumscribing said front inner shaft, said rotatable outer portion having flexible portions circumscribing said curved portions of said front inner shaft and a straight portion circumscribing said straight portion of said front inner shaft, said front roller having a front fabric having an inner edge affixed to said rotatable outer portion; said center section having a rear roller, said rear roller having a rear inner shaft having curved portions at distal ends and a straight portion located therebetween and affixed to said frame at distal ends, a rotatable outer portion circumscribing said rear inner shaft, said rotatable outer portion having flexible portions circumscribing said curved portions of said rear inner shaft and a straight portion circumscribing said straight portion of said front inner shaft, said rear roller having a rear fabric having an inner edge affixed to said rotatable outer portion; a front section having an elongate front beam curved downward near distal ends, said front fabric having an outer edge affixed along a lateral edge of said front beam, a front folding linkage connecting said front beam to said center section and having an outer end pivotably affixed to said front beam at an outer end and having an inner end pivotably affixed to said center section at an inner end, said front folding linkage having a center pivot point located intermediate said inner and outer end; a rear section having an elongate rear beam curved downward near said distal ends, said rear fabric having an outer edge releasably affixed along a lateral edge of said rear beam, a rear folding linkage connecting said rear beam to said center section and having an outer end pivotably affixed to said rear beam at an outer end and having an inner end pivotably affixed to said center section at an inner end, said rear folding linkage having a center pivot point located intermediate said inner and outer end; a lifting mechanism having a mounting portion affixed to said structure on one end and affixed to said center section at a second end, said lifting mechanism moveable between a rearward stored position and a forward covered position, said rearward stored position defined by said center section located rearward said mounting portion, said forward covered position defined by said center section located forward said mounting portion; said front section moveable between a retracted position and an extended position, said retracted position defined by said front beam located relatively near said center section, said extended position defined by said front beam located relatively far from said center section; and said rear section moveable between a retracted position and an extended position, said retracted position defined by said rear beam located relatively near said center section, said extended position defined by said rear beam located relatively far said center section. |
