Multiple angle shelf bracket

Claim 1

IN A SHELF SUPPORTING ASSEMBLY INCLUDING AN UPRIGHT POST HAVING A PLURALITY OF VERTICALLY SPACED OPENINGS FORMED THEREIN, ELONGATED SHELF SUPPORTING MEANS IN THE FORM OF AN ELONGATED SHELF BRACKET MEMBER, SAID SHELF BRACKET MEMBER HAVING A PAIR OF LONGITUDINALLY EXTENDING AND TRANSVERSELY SPACED PROJECTIONS FORMED ON ONE END THEREOF AND A PAIR OF ABUTMENT SHOULDER SURFACES FACING GENERALLY IN THE DIRECTION IN WHICH SAID PROJECTIONS EXTEND, DISPOSED ADJACENT ONE OF SAID PROJECTIONS AND ON THE SIDE THEREOF REMOTE FROM THE OTHER PROJECTION, SAID ONE PROJECTION INCLUDING A HOOK RECESS HAVING A SURFACE FACING TOWARD THE OTHER END OF SAID BRACKET MEMBER AND AWAY FROM SAID SHOULDER SURFACES, SAID OTHER PROJECTION INCLUDING A PLURALITY OF HOOK RECESSES HAVING SURFACES FACING TOWARD THE OTHER END OF SAID BRACKET MEMBER AND AWAY FROM SAID SHOULDER SURFACES SELECTIVELY ENGAGEABLE WITH THE PORTIONS OF SAID POST DEFINING ONE OF SAID OPENINGS FOR POSITIONING THE BRACKET MEMBER AT A PLURALITY OF ANGLES, SAID FIRST MENTIONED RECESS SELECTIVELY ENGAGEABLE WITH PORTIONS OF SAID POST DEFINING AN OPENING ADJACENT SAID ONE OPENING FOR POSTIONING THE BRACKET MEMBER AT AN ADDITIONAL ANGLE, ONE OF SAID SHOULDER SURFACES ABUTTING AGAINST SAID POST WHEN SAID BRACKET MEMBER IS POSITIONED AT THE ADDITIONAL ANGLE.