Centrifugal extraction machine having speed control means responsive to unbalanced weight distribution

Claim 1

A CENTRIFUGAL EXTRACTION MACHINE COMPRISING: A FRAME; AND ARTICLE-RECEIVING CONTAINER POSITIONED ON SAID FRAME; SUPPORT MEANS FLEXIBLY AND ROTATABLY SECURING SAID CONTAINER TO SAID FRAME FOR VIBRATORY MOVEMENT RELATIVE TO SAID FRAME IN RESPONSE TO ROTATION OF SAID CONTAINER WITH AN UNBALANCED WEIGHT DISTRIBUTION; DRIVING MEANS FOR ROTATING SAID CONTAINER AT A PREDETERMINED MAXIMUM CENTERFUGING SPEED; ELECTRICAL MEANS CONTROLLING SAID DRIVING MEANS, SAID ELECTRICAL MEANS HAVING A FIRST CONDITION WHEREIN SAID DRIVING MEANS ACCELERATES SAID CONTAINER TOWARD THE MAXIMUM SPEED AND HAVING A SECOND CONDITION WHEREIN SAID DRIVING MEANS DECELERATES SAID CONTAINER TOWARD A MINIMUM SPEED; AND A CONTROL CIRCUIT FOR SAID ELECTRICAL MEANS INCLUDING A SWITCH ASSEMBLY, SAID SWITCH ASSEMBLY COMPRISING A FIRST MEMBER SECURED TO SAID FRAME, AN ACTUATOR MOVABLE SEVURED ON SAID SUPPORT MEMBER, AND MEANS MOVABLE IN VIBRATION WITH SAID CONTAINER ENGAGING SAID ACTUATOR FOR MOVING SAID ACTUATOR IN RESPONSE TO VIBRATIONS, SAID FIRST MEMBER INCLUDING A STATIONARY