Patent ID: 7437974

Claim:
A rotation unit for a torque tong, comprising: a fixed part, said fixed part including at least one gripping cylinder directly mounted thereto; and a rotary part designed to grip a pipe to be rotated, said rotary part comprising: at least one movable gripping jaw mounted directly to the rotary part, the at least one movable gripping jaw being movable into engagement with the pipe, the at least one movable gripping jaw being rotatable with the rotary part to be in alignment with the at least one gripping cylinder, wherein the at least one gripping cylinder is directly engageable with the at least one movable gripping jaw to move the at least one movable gripping jaw into engagement with the pipe, when the at least one movable gripping jaw is rotated to be aligned with the at least one gripping cylinder so that the at least one gripping cylinder can displace the at least one movable gripping jaw.