Abstract: An articulating assembly of or for an adjustable hinge assembly, the articulating assembly comprising or including a height control arm supporting a mounting element at its distal end and pivotable about its proximal end for height adjustment, a convex member or members (“member(s)”) at or adjacent the distal region of the height control arm defining a distinct or merged pair of convex surfaces, the convex member(s) having a passageway therethrough, a pair of concave members engaged with the convex surfaces of the convex member(s) in a cupping manner, the concave members each having a passageway therethrough, and a pin located through the aligned passageways of the convex member(s) and concave members, the pin also being engaged with the mounting element to couple the mounting element to the height control arm, wherein the pin is dimensioned such that there is a clearance with respect to the passageway of the convex member(s) to allow at least limited articulating movement of the mounting element relative to