Wire tensioning device

Claim 1

IN A DEVICE FOR TENSIONING WIRE AND THE LIKE AND SUBSEQUENTLY MOVING A MEMBER OF A CLAMP IN A PREDETERMINED DIRECTION TO GRIP THE WIRE AND MAINTAIN THE TENSION, THE COMBINATION OF, A BASE ADAPTED TO BE DISPOSED ON ONE SIDE OF THE CLAMP, MEANS SUPPORTING SAID BASE AGAINST MOVEMENT TOWARD THE CLAMP, A CHUCK MOUNTED ON SAID BASE FOR SLIDING TOWARD AND AWAY FROM THE CLAMP AND ADAPTED TO RECEIVE AND GRIP ONE END OF THE WIRE, A FIRST RECIPROCATING HYDRAULIC ACTUATOR CONNECTED TO SAID CHUCK AND OPERABLE WHEN ACTIVATED TO CLOSE SAID CHUCK AND MOVE THE SAME AWAY FROM THE CLAMP THEREBY TO GRIP AND TENSION THE WIRE, A SECOND ACTUATOR OPERABLE WHEN ACTIVATED TO MOVE THE MEMBER IN SAID PREDETERMINED DIRECTION, MEANS FOR DELIVERING PRESSURE FLUID TO SAID FIRST ACTUATOR THEREBY TO GRIP AND TENSION THE WIRE, AND MEANS RESPONSIVE TO A PREDETERMINED PRESSURE IN SAID FIRST ACTUATOR TO ACTIVATE SAID SECOND ACTUATOR.