Shelf mounting

Claim 1

A SHELF SUPPORT, COMPRISING AN APERTURED UPRIGHT STANDARD, AN ELONGATE AND STIFF SHELF-SUPPORTING MEMBER EXTENDING TRANSVERSELY OUTWARDLY FROM THE STANDARD AND HAVING A REAR END PORTION OF PLATE-LIKE SHAPE ORIENTED IN AN UPRIGHT POSITION, SAID MEMBER ALSO HAVING A FRONT END, AND A BODY PORTION BETWEEN SAID FRONT END SAID REAR END PORTION, THE REAR END PORTION HAVING A TERMINAL END SHAPED FOR INSERTION THROUGH AN APERTURE OF THE STANDARD AND ALSO HAVING AN INTERMEDIATE PORTION BETWEEN THE TERMINAL AND SAID BODY PORTION, SAID INTERMEDIATE PORTION HAVING A HEIGHT IN EXCESS OF THE SIZE OF THE APERTURE AND ALSO HAVING A FIRST NOTCH OF SUBSTANTIAL WIDTH IN THE UPPER EDGE THEREOF CONTINUOUSLY RECEIVING THEREIN A PORTION OF THE STANDARD ADJACENT THE APERTURE AND TO PERMIT TILTING OF SAID MEMBER AND NOTCH TO VARIOUS OBLIQUE POSITIONS WHILE THE APERTURE-DEFINING PORTIONS OF THE STANDARD IS IN THE NOTCH, AND MEANS ADJACENT THE LOWER EDGE OF SAID REAR PORTION AND BELOW THE NOTCH AND DEFINING FIRST AND SECOND REARWARDLY FACING ABUTMENTS SPACED FROM EACH OTHER INA FORE-AND-AFT DIRECTION AND SELECTIVELY ENGAGEABLE WITH THE STANDARD TO LIMIT MOVEMENT OF SAID REAR END INTO THE APERTURE.