74503553
Mar 18, 1994
linear actuators (comprising motors, belts, ball screws and nuts), hydraulic reservoir assemblies (comprising motors, hydraulic pumps, relief valves and associated plumbing), and hydraulic servo control valves; all of the foregoing used to move and laterally position webs or metal strips so that they may be printed with one or more colors, or cut or slit, or surface treated, or measured
Machinerycharge couple device (CCD) camera sensors, infrared sensors, ultrasonic sensors, capacitive sensors, and pneumatic sensors, all of the foregoing for use in process control systems, surface treatments, drive systems, guidance systems, cutting and slitting systems, imaging and recording systems, measuring systems, inspection and defect detection systems, and sensing systems; electro-mechanical positioners (comprising servo motors, belts, ball screws and nuts), used to move and laterally position webs or metal strips so that they may be printed with one or more colors, or cut or slit, or surface treated, or measured; and electronic motor controllers, used to control direct current (DC) servo motors used in linear actuators and other material positioning systems
Electrical and Scientific Apparatus