| 摘要 |
<p>The invention relates to an assembly for a tightening device 34a for a rail tensor (32, figure 2), including a gripper head 44a comprising an inner portion 46a equipped with a jaw 48a and an outer portion 47a opposite the inner portion 46a. The gripper head is pivotable around an axis between a tightening position and a loosened position. A receiving member 68a is removably mounted on the outer portion of the gripper head and comprises a bore 76a for engaging a drawbar (36); and a locking member 78a movably mounted on the outer portion of the gripper head between a locking position, in which the locking member secures the receiving member to the gripper head, and an unlocking position, in which the locking member separates the receiving member and the gripper head. The outer portion of the gripper head may be provided with a first bore (66a, figure 5) inside which the receiving member can be engaged, and a second bore (64a), passing through the first bore, inside which the locking member may be engaged.</p> |
