The ornamental design for a rechargeable electric safetyknifeassembly, as shown and described.
FIG. 1 is a side perspective of the rechargeable electric safety knife assembly showing our new design;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a top plan view thereof; shown with the rechargeable knife's blades in the left slot of the safety base;
FIG. 4 is a right side elevational view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a rear elevational view thereof;
FIG. 7 is a front elevational view thereof; and,
FIG. 8 is a top plan view thereof; shown with the rechargeable knife's blades in the left slot of the safety base and a spare set of blades in the right slot of the safety base.