Rod Ends and Spherical Bearings

electronic apparatus; namely, printers for entertainment ticketing, solenoids, solenoid actuated indicators and actuators, video light sensors, photocell interrupters, signal indicators, desiccators (for drying cockpit air against fogging of helmet-mounted computer displays), sun shutters (for closing satellite ports against direct exposure to the sun), and digit maskers (for closing shutters in response to predetermined environmental conditions), for use in aircraft, spacecraft and ground su...