Drive Unit for a Panel Lift Door

FIG. 1 is a bottom view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 2 is a front perspective view from above of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 3 is a front perspective view from below of a drive unit for panel lift door in the closed configuration showing the claimed design. FIG. 4 is a front view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 5 is a rear perspective view from above of a drive unit for panel lift door in the closed configuration showing the claimed design. FIG. 6 is a rear perspective view from below of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 7 is a rear view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 8 is a side view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 9 is a side view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 10 is a top view of a drive unit for a panel lift door in the closed configuration showing the claimed design. FIG. 11 is a bottom view of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 12 is a front perspective view from above of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 13 is a front perspective view from below of a drive unit for panel lift door in the open configuration showing the claimed design. FIG. 14 is a front view of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 15 is a rear perspective view from above of a drive unit for panel lift door in the open configuration showing the claimed design. FIG. 16 is a rear perspective view from below of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 17 is a rear view of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 18 is a side view of a drive unit for a panel lift door in the open configuration showing the claimed design. FIG. 19 is a side view of a drive unit for a panel lift door in the open configuration showing the claimed design; and, FIG. 20 is a top view of a drive unit for a panel lift door in the open configuration showing the claimed design. The broken lines in FIGS. 1 - 20 show portions of a drive unit for a panel lift door that form no part of the claimed design.