Mechanical agitator for a vacuum cleaner

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1. A BRUSH ROLL FOR SUCTION CLEANING APPARATUS COMPRISING:

AN ELONGATED BODY MEMBER HAVING NONCIRCULAR END PORTIONS AND A LONGITUDINAL PASSAGE THERETHROUGH, A BEARING STRUCTURE PROVIDED IN EACH END OF SAID BODY MEMBER SUPPORTING THE SAME FOR ROTATIONAL MOVEMENT, EACH SAID BEARING STRUCTURE BEING PROVIDED WITH A LONGITUDINAL BORE FOR RECEIVING ONE END OF A SHAFT ADAPTED TO BE MOUNTED IN THE CLEANING APPARATUS AND HAVING A CIRCUMFERENTIALLY CONTINUOUS PROJECTION INTERMEDIATE TERMINAL PORTIONS, SAID NONCIRCULAR END PORTIONS BEING ADAPTED TO COOPERATE WITH SAID NONCIRCULAR PROJECTION FOR EFFECTING SIMULTANEOUS ROTATION OF SAID BEARING STRUCTURE WITH SAID BODY MEMBER AND FOR PERMITTING TILTING OF SAID BEARING WITH RESPECT TO ALL SIDES OF SAID NONCIRCULAR END PORTION.

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1. A BRUSH ROLL FOR SUCTION CLEANING APPARATUS COMPRISING:
- AN ELONGATED BODY MEMBER HAVING NONCIRCULAR END PORTIONS AND A LONGITUDINAL PASSAGE THERETHROUGH, A BEARING STRUCTURE PROVIDED IN EACH END OF SAID BODY MEMBER SUPPORTING THE SAME FOR ROTATIONAL MOVEMENT, EACH SAID BEARING STRUCTURE BEING PROVIDED WITH A LONGITUDINAL BORE FOR RECEIVING ONE END OF A SHAFT ADAPTED TO BE MOUNTED IN THE CLEANING APPARATUS AND HAVING A CIRCUMFERENTIALLY CONTINUOUS PROJECTION INTERMEDIATE TERMINAL PORTIONS, SAID NONCIRCULAR END PORTIONS BEING ADAPTED TO COOPERATE WITH SAID NONCIRCULAR PROJECTION FOR EFFECTING SIMULTANEOUS ROTATION OF SAID BEARING STRUCTURE WITH SAID BODY MEMBER AND FOR PERMITTING TILTING OF SAID BEARING WITH RESPECT TO ALL SIDES OF SAID NONCIRCULAR END PORTION.

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