| 摘要 |
A jaw element and chuck assembly (60, 61) for mounting and rotating the opposed journals of a plurality of universal crosses of different sizes. The jaw element (61) has an article receiving recess (70) at one end. The recess has a circular mouth opening (71) and an interior uniformly converging article engaging surface (72) in the form of a truncated conical surface having a slope of 45 DEG . |
