rolamite

Noun

 * 1) A simple machine consisting of a stressed metal band and counter-rotating rollers within an enclosure, used in low-friction bearings etc.
 * 2) * 1969, National Heart Institute (U.S.), Artificial Heart Program Conference
 * This unit is made up of a rotary torque motor, a rolamite to linear translation mechanism and a metal bellows as a fluid pump.