Means for controlling the dampening of an elastically suspended rotating drum duringcentrifuging

Claim 1

IN COMBINATION, MEANS FORMING A CASING, MEANS ROTATABLY SUPPORTED RELATIVE TO SAID CASING DEFINING A CONTAINER, MEANS FOR ROTATING SAID CONTAINER MEANS ABOUT A NON-VERTICAL AXIS, SAID CONTAINER MEANS AND ROTATING MEANS DEFINING A UNITARY SYSTEM, MEANS FOR ELASTICALLY SUPPORTING SAID UNITARY SYSTEM RELATIVE TO SAID CASING MEANS FOR MOVEMENT IN A PLURALITY OF DIRECTIONS, SAID ROTATING MEANS EFFECTING ROTATION OF SAID CONTAINER MEANS FROM A SPEED AT THE RESONANT FREQUENCY OF THE ELASTICALLY SUPPORTED UNITARY SYSTEM TO A SPEED ABOVE SAID RESONANT FREQUENCY, AND DAMPING MEANS SECURED BETWEEN SAID CASING MEANS AND SAID CONTAINER MEANS, SAID DAMPING MEANS INCLUDING FIRST MEANS REPONSIVE TO THE VIBRATIONS OF SAID UNITARY SYSTEM AT SAID RESONANT FREQUENCY FOR RESISTING SAID VIBRATIONS WHEN SAID CONTAINER MEANS IS ROTATING AT SAID SPEED AT SAID RESONANT FREQUENCY, SECOND MEANS RESPONSIVE TO THE VIBRATIONS OF SAID UNITARY SYSTEM AT SAID SPEED ABOVE SAID RESONANT FREQUENCY TO NEGATE THE EFFECTIVENESS OF SAID FIRST MEANS, AND RESILIENT MEANS ELASTICALLY SUPPORTING AT LEAST A PORTION OF SAID SECOND MEANS IN A MANNER TO EFFECT A NATURAL FREQUENCY IN SAID PORTION OF SAID SECOND MEANS EQUIVALENT TO THE VIBRATORY FREQUENCY OF SAID UNITARY SYSTEM WHEN SAID CONTAINER MEANS IS ROTATING AT SAID SPEED ABOVE SAID RESONANT FREQUENCY.