US Patent 8667869 Spinner assembly for oilfield tubular connections

A tubular makeup and breakout assembly 10 includes a top spinner 20, an intermediate power tong 12 and a lower backup tong 14. The spinner comprises a frame 22 which houses a pair of hydraulic cylinders 24. A plurality of rollers 26 are each intended for frictional engagement with an outer surface of a tubular to rotate the tubular. Each roller 26 is powered by hydraulic drive motor 28. The roller receives a suitable drive shaft rotatably powered by the motor and having a polygonal cross-sectional configuration. The roller comprises segments which may be removed without removing the motor or the drive shaft.