Power wrench for breaking threaded joints

Claim 1

IN AN APPARATUS FOR MAKING AND BRAKING A THREADED JOINT BETWEEN AN ASSEMBLY OF TWO PARTS, THE COMBINATION COMPRISING A FIRST FRAME INCLUDING LATERALLY SPACED HORIZONTAL SIDE BEAMS AND A PLURALITY OF SADDLE BRACKETS EXTENDING TRANSVERSELY OF SAID SIDE BEAMS AT POINTS SPACED LONGITUDINALLY OF SAID FRAME, SAID SADDLE BRACKETS PROVIDING A SUPPORT FOR SAID ASSEMBLY, A SECOND FRAME PROJECTING UPWARDLY FROM SAID SIDE BEAMS, A PAIR OF WRENCHES RESPECTIVELY ENGAGED WITH SAID PARTS ON OPPOSITE SIDES OF SAID JOINT, EACH OF SAID WRENCHES HAVING AN OPERATING HANDLE PROJECTING OUTWARDLY FROM THE PART ENGAGED THEREBY, MEANS ANCHORING ONE OF SAID HANDLES AND THE WRENCH OPERATED THEREBY TO ONE OF SAID FRAMES TO HOLD ONE OF THE SAID PARTS OF SAID ASSEMBLY AGAINST ROTATION ON SAID SADDLE BRACKETS, MEANS FOR ROTATING THE OTHER OF SAID ASSEMBLY PARTS COMPRISING A FLUID PRESSURE MOTOR HAVING A PIVOTAL CONNECTION AT ONE END WITH SAID SECOND FRAME AND A PIVOTAL CONNECTION AT ITS OTHER END WITH THE OTHER OF SAID HANDLES, SAID MOTOR BEING EFFECTIVE UPON OPERATION TO ROTATE SAID OTHER WRENCH AND THEREBY ROTATE SAID PARTS RELATIVE TO EACH OTHER, AND MEANS RENDERING SAID MOTOR EFFECTIVE TO ROTATE SAID ASSEMBLY PARTS IN OPPOSITE DIRECTIONS COMPRISING MEANS ON SAID SADDLE BRACKETS FOR SELECTIVELY SUPPORTING SAID ASSEMBLY IN EITHER OF TWO LATERALLY SPACED POSITIONS.