Powered ratchet tool with multi-piece crankshaft assembly

A powered ratchet tool comprising:

• a housing including a head portion;
• a drive assembly including an output rotatable about a first axis;
• a yoke supported within the head portion and pivotable about a second axis perpendicular to the first axis;
• and
• a shaft assembly extending between the output of the drive assembly and the yoke, the shaft assembly formed as a multi-piece construction, the shaft assembly including:
• a shaft extending along the first axis,
• a first coupler secured to a first end of the shaft and rotationally coupled to the output,
• a second coupler secured to a second end of the shaft, the second coupler including a pair of wings, and
• an eccentric pin carried by the second coupler and offset from the first axis, such that rotation of the shaft assembly about the first axis causes reciprocation of the yoke about the second axis,
• wherein the shaft is hollow.

A powered ratchet tool comprising:

• a housing including a head portion;
• a drive assembly including an output rotatable about a first axis;
• a yoke supported within the head portion and pivotable about a second axis perpendicular to the first axis;
• and
• a shaft assembly extending between the output and the yoke,
• wherein the shaft assembly includes a shaft, a first coupler secured to a first end of the shaft, and a second coupler secured to a second end of the shaft, and
• wherein the shaft has an outer diameter greater than an outer diameter of each of the first coupler and the second coupler.