Sonic surface cleaner

Claim 1

A SONIC APPARATUS FOR CLEANING THE SURFACE OF AN ARTICLE COMPRISING A BODY PORTION HAVING A PLURALITY OF ELASTIC PROJECTIONS EXTENDING THEREFROM, SAID BODY PORTION INCLUDING A SURFACE ENGAGING RIM SURROUNDING SAID PROJECTIONS AND ADAPTED TO COACT WITH THE SURFACE TO FORM A LIQUID CHAMBER, SAID RIM EXTENDING BEYOND THE END PORTIONS OF SAID PROJECTIONS SO THAT SAID END PORTIONS ARE SPACED A PREDETERMINED EQUAL DISTANCE FROM THE SURFACE WHEN SAID RIM IS IN CONTACT THEREWITH, A SOURCE OF LIQUID, MEANS FOR FEEDING THE LIQUID FROM THE SOURCE TO SAID LIQUID CHAMBER, A CYLINDRICAL CONFINING CHAMBER FORMED IN SAID BODY, SAID CONFINING CHAMBER BEING SO LOCATED THAT THE DIAMETER THEREOF IS SUBSTANTIALLY PERPENDICULAR TO THE LONGITUDINAL AXIS OF SAID PROJECTIONS, A MASS LOCATED IN SAID CONFINING CHAMBER, SAID MASS ADAPTED TO BE DRIVEN IN AN ORBITAL PATH SO AS TO GENERATE A ROTATING FORCE VECTOR SUBSTANTIALLY NORMAL TO THE LONGITUDINAL AXIS OF EACH OF SAID PROJECTIONS, AND MEANS FOR DRIVING SAID MASS IN SAID ORBITAL PATH SO AS TO GYRATE THE PROJECTIONS IN A RESONANT MODE TO PRODUCE LIQUID CAVITATION IN AN AREA PROXIMATE THE SURFACE OF THE ARTICLE.