7 MECHANICAL POWER TRANSMITTING EQUIPMENT, NAMELY DRIVE GEARS, DRIVEN GEARS, WORMS AND WORM GEARS, GEAR BOX ASSEMBLAGES, DRIVE BELTS, PULLEYS, CLUTCHES AND CLUTCH COUPLINGS, TORQUE LIMITERS, AND TRANSMISSIONS THAT CONVERT ROTARY MOTION INTO LINEAR MOTION AND VICE VERSA, ALL FOR USE WITH INDUSTRIAL MACHINERY