Shaft driving tool

A tool for driving a shaft, the shaft being received within an apertured member, the tool comprising:

• (a) a segmented sleeve comprising an upper segment, a lower segment, and a medial segment, each such segment having an upper end, a lower end, and a hollow bore, the hollow bore of the lower segment being helically threaded;
• (b) a screw mounted within the lower segment's hollow bore, the screw having an upper end and a shaft biasing lower end;
• (c) upper and lower joints, the upper joint connecting the upper end of the screw with the upper segment, and the lower joint connecting the medial segment with the lower segment;
• (d) a first gear fixedly attached to the upper segment, wherein the first gear and the upper segment are adapted for co-rotation within a gear housing and within the medial segment's hollow bore;
• (e) the gear housing fixedly attached to the medial segment;
• (f) a second gear mounted rotatably upon the gear housing, the second gear being positioned for, upon a rotation of the second gear, rotating the first gear;
• (g) a stem fixedly attached to the second gear;
• and
• (h) means for holding the apertured member, said means being adapted for positioning said member beneath the screw's shaft biasing lower end.