Roller Gears were first utilized in high reduction differential models and 1000's of models were offered. Today companies create the third generation of Planetary and Cycloidal Roller Gears used in an array of gear heads, speed reducers and speed increasers supplying: Maximum torque-minimum space. The expansion process, fuelled by demands from changing industries, has brought to a lot of ways to use this new technology. Good examples include: auger drives, industrial mixers, welding robots, portable honing machines, ergonomic valve actuators, drives with counter-rotating double results and speed increasers--a lengthy list. The next generation roller gear matrix varies from under one...