The ornamental design for a drivingheadassembly for a pneumatic ratchet wrench, as shown and described.
FIG. 1 is a front perspective view of the invention.
FIG. 2 is a front elevation view of FIG. 1.
FIG. 3 is a rear elevation view of FIG. 1.
FIG. 4 is a left side elevation view of FIG. 1.
FIG. 5 is a right side rear elevation view of FIG. 1
FIG. 6 is a top plan view of FIG. 1; and,
FIG. 7 is a bottom plan view of FIG. 1.
The broken lines shown in the drawings represent portions of the driving head assembly for a pneumatic ratchet wrench that form no part of the claimed design. No claim is made to any surface texture or finish, the drawings are lined lightly only to indicate contour.