Angularly adjustable shelf bracket

Claim 1

In a shelf supporting bracket comprising an elongated arm having a butt end from which extend a plurality of vertically spaced retaining fingers for supporting engagement with horizontal bars which separate vertically spaced openings in an upright supporting structure through which the fingers extend and with respect to which the bracket is adjustable to and between a plurality of different angular positions: the uppermost of said fingers having on its upper edge spaced shoulders facing toward said butt end and engageable with a hole-separating bar to retain the bracket in a plurality of selective different angular positions relative to the supporting structure; a lower finger having on its upper edge a shoulder facing toward said butt end and engageable with a bar to retain the bracket in another selective angular position relative to the supporting structure; and said fingers having safety catch means on their lower edges comprising shoulders facing toward said butt end and engageable with the hole-separating bars for interim arresting of the bracket against dropping away from the supporting structure when effecting adjustment from one angular position to another; the lower of said fingers having a safety catch shoulder which is spaced farther from the butt end than a safety catch shoulder on the upper of said fingers.