Tilting and sliding system for a shelf having side support rails receivable between shelf supports in vertical posts

A shelving system, comprising:

• (a) an assembly comprising:
• two front vertical posts having a plurality of vertically spaced apart shelf supports simultaneously extending outwardly therefrom, wherein each shelf support is equally spaced apart from a corresponding adjacent shelf support from the plurality of shelf supports;
• and
• two rear vertical posts having a plurality of vertically spaced apart shelf supports simultaneously extending outwardly therefrom, wherein each shelf support of each rear vertical post are equally spaced apart from a corresponding adjacent shelf support from the plurality of shelf supports of each rear vertical post;
• and
• (b) a shelf comprising:
• a main body, and
• a pair of side support rails on the main body;
• wherein each of the side support rails are dimensioned to be received between a corresponding upper shelf support from the plurality of shelf supports of the front vertical posts and a corresponding lower shelf support from the plurality of shelf supports of the front vertical posts positioned immediately adjacent to a top and a bottom of one of the side support rails respectively on the front vertical posts and a corresponding upper shelf support from the plurality of shelf supports of the rear vertical posts and a corresponding lower shelf support from the plurality of shelf supports of the rear vertical posts positioned immediately adjacent to the top and the bottom of the one of the side support rails respectively on the rear vertical posts;
• and
• wherein the corresponding upper shelf supports and the corresponding lower shelf supports of each front vertical post and each rear vertical post are positioned a distance apart such that the side support rails are configured to rotate to lock against the corresponding upper shelf supports and corresponding lower shelf supports of the front vertical posts and the rear vertical posts respectively to secure a position of the shelf on the front and rear vertical posts.