Gears

• Reduction drive
• Variable reduction drive
• Rack and pinion gear
• Worm gear
• Screw - nut gear
• Worm gear (simplified)
• Screw-nut gear (simplified)
• Rack and pinion (Simplified)
• Variable transmission drive
• Planetary gear
• Compound planetary gear
• Sun-planet
• Ring-planet
• Torque converter