Clamping assembly for steering column

A manually adjustable steering column assembly comprising:

• a clamping assembly moveable between an unlocked position and a locked position;
• a lower jacket;
• an upper jacket partially disposed within the lower jacket and translatable relative to the lower jacket in a telescoping manner, wherein the locked position of the clamping assembly prevents movement of the upper jacket relative to the lower jacket, wherein the unlocked position permits movement of the upper jacket relative to the lower jacket, wherein the upper jacket comprises:
• a first side;
• a second side, wherein the second side is segmented to include a first clamping segment, a second clamping segment, and a third segment disposed between, and joining, the first clamping segment and the second clamping segment, wherein the first clamping segment and the second clamping segment are not parallel or perpendicular to the third segment;
• an upper side;
• and
• a lower side, wherein the upper side and the lower side have respective outer surfaces which are parallel to each other and perpendicular to the third segment of the second side,
• wherein the outer surfaces of the upper side and the lower side of the upper jacket define sliding interface surfaces, wherein the outer surfaces of the first side and the second side define clamping interface surfaces,
• wherein the sliding interface surfaces and the clamping interface surfaces have different coefficients of friction.