![]() A horizontally-mounted "side spinner" brush on the right side of the unit sweeps against walls to reach debris not accessible by the main brushes and vacuum. In most models, the brushes are then followed by a squeegee vacuum, by which the airflow is directed through a narrow slit to increase its velocity, in order to collect fine dust. Īs of 2012, there have been three generations of Roomba units: the first-generation original models, the second-generation "Discovery" series and the newest third-generation 500 /600 /700 Series.Īll versions of the Roomba utilize a pair of brushes, rotating in opposite directions, to pick up debris from the floor. A recessed carrying handle is fitted on the top of most units. ![]() A large contact-sensing mechanical bumper is mounted on the front half of the unit, with an omnidirectional infrared sensor at its top front center. ![]()
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December 2022
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