FIG. 1 is a perspective side view of the drive unit showing our design,
FIG. 1a is a view similar to FIG. 1 but wherein the drive unit is in an extended state,
FIG. 2 is a perspective side view thereof as seen from the opposite end,
FIG. 2a is a view similar to FIG. 2 but in an extended state,
FIG. 3 is an elevational front view thereof,
FIG. 3a is a view similar to FIG. 3 but in an extended state,
FIG. 4 is an elevational right side view thereof,
FIG. 4a is a view similar to FIG. 4 but in an extended state,
FIG. 5 is a top plan view thereof,
FIG. 5a is a view similar to FIG. 5 in an extended state,
FIG. 6 is an elevational rear view thereof,
FIG. 6a is a view similar to FIG. 6 in an extended state,
FIG. 7 is an elevational left side view thereof,
FIG. 7a is a view similar to FIG. 7 in an extended state,
FIG. 8 is a bottom plan view thereof; and,
FIG. 8a is a view similar to FIG. 8 in an extended state.