Patent ID: 7156644

Claim:
A sheeting head assembly comprising: a first roller with a first groove at or near its end; a second roller with a second groove at or near its end, the second roller spaced apart from the first roller to define a pinch point; and a saddle fitted in between the rollers, the saddle comprising a first semi-circular, concave edge configured to mate with the first roller and a second semi-circular concave edge configured to mate with the second roller, the first concave edge including a first tongue configured to slidably fit in the first groove, the second concave edge including a second tongue configured to slidably fit in the second groove, the saddle and its first and second concave edges extending continuously from a first side of the pinch point to an opposite side of the pinch point to define a waist within the pinch point, the saddle further comprising a lower portion extending downwardly from the waist, the first concave edge and the second concave edge included in the lower portion, the first concave edge and the second concave edge in the lower portion diverging outwardly as the concave edges extend downwardly to form an hourglass shape.