Set of thumbwheel drive controls for a pallet truck

FIG. 1 is a top and rear, perspective view of a set of thumb wheel drive controls for a pallet truck illustrating my new design;

FIG. 2 is a bottom and rear, perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a left side view of one of the thumb wheel drive controls from the set; and,

FIG. 7 is a right view of one of the thumb wheel drive controls from the set.

The broken line showing of the control handle in all the figures is for illustrative purposes only and forms no part of the claimed design.