Abstract: An eccentric disc lock bracket for releasable engagement with a support member having a plurality of vertically spaced slots comprises an eccentric disc lock and a cantilever bracket including an end portion having an axle receiving aperture and a pair of seating hooks outwardly extending from a rear edge of the end portion vertically positioned one above the other and dimensioned to be receivable into a pair of vertically spaced slots of the support member. The bracket is locked to the support member by an eccentric disc lock having an axle and a pair of wheels axially aligned to each other of essentially alike diameter on opposite ends of the axle spaced apart from each other a distance greater than the thickness of the cantilever bracket. The axle is positioned is an axle receiving aperture of the end portion of the bracket and may be retained therein by a retention nub on the outer periphery of the receiving aperture.