Basin cover mounted to unequally-spaced anchor-retention areas

Abstract

The basin cover having evenly-spaced covering elements mounted to shelf angles along the sides of the basin. These shelf angles are retained by anchor bolts to the inside edge of the rim of the basin. Flat tabs are adjustably spaced apart along the shelf angles and respectively overlap unevenly-spaced anchor retention areas of the basin. The flange portion of the shelf angles extend in a same plane as a walkway along the rim of the basin for widening this walkway. The new cover can be installed to basins of different conditions without major custom work.

1 . A basin having a rim comprising a vertical edge surface, and a horizontal edge surface respectively contiguous with said vertical edge surface, and a cover mounted thereon; said cover comprising:
 a plurality of spaced-apart arches mounted to a shelf angle; said shelf angle being affixed to said vertical edge surface of said rim;   said shelf angle having a web portion extending along said vertical edge surface, and a flange portion extending horizontally away from said vertical edge surface; said web portion being attached to said vertical edge surface; and   a plurality of flat tabs attached to said flange portion at spaced intervals and extending over said horizontal edge surface, said flat tabs being attached to said horizontal edge surface for retaining said shelf angle to said rim, and for retaining said cover to said basin.   
     
     
         2 . The basin as claimed in  claim 1 , wherein said flange portion extend in a same plane as said horizontal edge surface. 
     
     
         3 . The basin as claimed in  claim 1 , wherein said arches are evenly spaced along said shelf angle, and said flat tabs are unevenly spaced along said shelf angle. 
     
     
         4 . The basin as claimed in  claim 3 , wherein said horizontal edge surface have unevenly-spaced anchor retention areas thereon, and said tabs are spaced to correspondingly overlap said unevenly-spaced anchor retention areas. 
     
     
         5 . The basin as claimed in  claim 4 , wherein said vertical edge surface and said horizontal edge surface are made of concrete and said web portion of said shelf angle and said flat tabs are attached to said anchor retention areas by anchor bolts. 
     
     
         6 . The basin as claimed in  claim 5 , further comprising handrail posts mounted to said shelf angle, and said handrail posts are evenly spaced along said shelf angle. 
     
     
         7 . A basin having a rim comprising opposite vertical edge surfaces, and horizontal edge surfaces respectively contiguous with one of said vertical edge surfaces, and a cover mounted thereon;
 said vertical edge surfaces and said horizontal edge surfaces comprising unevenly-spaced anchor retention areas there along;   said cover comprising:   a plurality of evenly spaced arches mounted to a pair of shelf angles;   said shelf angles being affixed to said rim;   each of said shelf angles having a web portion extending along one of said vertical edge surfaces and a flange portion extending horizontally away from said vertical edge surface, along a plane of one or said horizontal edge surfaces; and   a plurality of flat tabs attached to said flange portions of said shelf angles and being correspondingly spaced to overlap said unevenly-spaced anchor retention areas.   
     
     
         8 . The basin as claimed in  claim 7 , wherein said vertical edge surfaces and said horizontal edge surfaces are made of concrete and said web portion of said shelf angle and said flat tabs are fastened to said anchor retention areas by anchor bolts. 
     
     
         9 . The basin as claimed in  claim 7 , further comprising rain gutters mounted over said flange portions of said shelf angles. 
     
     
         10 . The basin as claimed in  claim 7 , wherein said shelf angles having gussets there along. 
     
     
         11 . The basin as claimed in  claim 7 , wherein said flange portions extend in a same plane as said horizontal edge surfaces. 
     
     
         12 . A shelf angle assembly for supporting a cover to a rim of a basin; wherein said rim has contiguous vertical and horizontal edge surfaces; said shelf angle assembly comprising:
 a shelf angle having a web portion; a flange portion; a plurality of holes in said web portion for attachments of said web portion to said vertical edge surface; and   a plurality of flat tabs mounted to said flange portion of said shelf angle for attachment of said flange portion to said horizontal edge surface.   
     
     
         13 . The shelf angle assembly as claimed in  claim 12 , wherein said plurality of flat tabs are universally spaced along said flange portion. 
     
     
         14 . The shelf angle assembly as claimed in  claim 12 , wherein said plurality of flat tabs are drilled with a hole at each end. 
     
     
         15 . A method for mounting a cover to a basin having narrow walkway there along, comprising:
 anchoring a shelf angle to a vertical edge of said walkway for widening said walkway;   mounting said cover to a flange portion of said shelf angle, and anchoring a plurality of spaced-apart flat tabs to said flange portion and to a horizontal surface of said walkway.   
     
     
         16 . The method as claimed in  claim 15 , further including the step of unevenly spacing said flat tabs along said flange portion to overlap spaced anchor-retention areas along said walkway.