Combined solar heat collector and cover for swimming pools
FIG. 1 is a top plan view of the combined solar heat collector and cover for swimming pools showing my new design; 
     FIG. 2 is a typical edge view thereof; 
     FIG. 3 is a bottom plan view thereof; 
     FIG. 4 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 4--4 in FIG. 1; 
     FIG. 5 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 5--5 in FIG. 1; 
     FIG. 6 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 6--6 in FIG. 1; 
     FIG. 7 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 7--7 in FIG. 1; 
     FIG. 8 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 8--8 in FIG. 1; 
     FIG. 9 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 9--9 in FIG. 1; 
     FIG. 10 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 10--10 in FIG. 1; and 
     FIG. 11 is a fragmentary vertical cross-sectional view taken in the plane indicated by the line 11--11 in FIG. 1.