Portable power operated pipe wrench

Details Portable power operated pipe wrench Portable power operated pipe wrench

B - Operations, Transporting

25

B

81/56

B25B 21/00 (2006.01)

Patent

CA 1041807

ABSTRACT A hollow member having a longitudinally movable yoke pivotally supporting pipe engaging arms. Rearward ends of the arms have roller engagement with a ramp in the body member, and upon powered long- itudinal movement of the yoke, the arms are movable between an outer open position for receiving a pipe and an inner position holding the pipe against a toothed drive wheel. The drive wheel is connected by a shaft and gearing to a drive socket arranged to be driven by a conventional impact wrench, Powered operation of the yoke in the longitudinal direc- tion is by a fluid operated cylinder and piston assembly.

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