Shelf supports

Claim 1

AN ADJUSTABLE SHELF BRACKET ASSEMBLY COMPRISING, IN COMBINATION, A VERTICAL SHELF BRACKET CHANNEL HAVING A WEB PORTION INTERCONNECTING A PAIR OF LONGITUDINAL SIDE WALLS, THE WEB PORTION HAVING A PLURALITY OF ALIGNED LONGITUDINALLY SPACED APART OPENINGS THEREIN, EACH OF SAID SIDE WALLS OF THE CHANNEL HAVING INWARDLY OPPOSING FLANGES ALONG THEIR FREE DGES OF FACING EACH OTHER ACROSS A SLOT DEFINED THEREBETWEEN, AND A SHELF BRACKET MOUNTED IN SAID CHANNEL AND ADJUSTABLE TO DIFFEENT POSITIONS DISPLACED LONGITUDINALLY THEREOF, SAID GRACKET INCLUDING A FLAT SHELFSUPPORT PLATE HAVING A DOWNWARDLY EXTENDING REINFORCING FLANGE SEATED AGAINST THE FACE OF THE INWARDLY OPPOSING FLANGES ON THE CHANNEL WALLS, A PARALLELOGRAM-SHAPED NECK ON THE BACK SIDE OF SAID REINFORCING FLANGE SEATED WITHIN THE SLOT BETWEEN SAID WALLS, A PARALLELOGRAM-SHAPED BODY INTEGRAL WITH THE END OF SAID NECK AND OF A LENGTH GREATER THAN THE SPACING BETWEEN SAID CHANNEL WALLS, AND DISPOSED AT AN ANGLE TO THE PLANE OF THE PLATE AND SEATED FIRMLY BETWEEN SAID WALLS, A STUD ON THE BACK SURFACE OF THE BODY ENGAGED IN ONE OF SAID OPENINGS, SAID BODY AND NECK BEING OF A WIDTH WHEREBY THE BRACKET BY AN OBLIQUE POSITIONED THEREOF MAY BE INTRODUCED INTO AND TAKEN OUT OF THE CHANNEL IN A DIRECTION SUBSTANTIALLY AT RIGHT ANGLES, THERETO, AND THE SAID BODY HAVING ANGULARLY DISPOSED END SURFACE THAT ABUT AGAINST THE WALLS WHEN THE BRACKETS IS IN A POSITION TO SUPPORT A SHELF THEREON.