Patent ID: 8746111

Claim:
A wrench assembly comprising: (a) a wrench subassembly comprising: (i) an upper wrench having a jaw assembly that is adapted to grip a pipe section or to release it; (ii) a lower wrench having a jaw assembly that is adapted to grip a pipe section or to release it; wherein one of the upper wrench and the lower wrench is pivotally moveable with respect to the other to apply a twisting force to a pipe section gripped by one of the upper and lower wrenches with respect to an adjacent pipe section gripped by the other of the upper and lower wrenches; (b) means for pivotally moving one of the upper wrench and the lower wrench with respect to the other; (c) a generally planar support table; (d) means for attaching the wrench subassembly to the support table, said means being adapted to allow the wrench subassembly to pivot about an axis that is perpendicular to the plane of the support table; (e) means for attaching the wrench subassembly to the support table, said means being adapted to allow the wrench subassembly to tilt with respect to the plane of the support table: (f) which includes a frame; wherein the support table is adapted to move linearly with respect to the frame.