Invention Grant
US09149169B2 Dual suction vacuum apparatuses and methods for use 有权
双吸真空装置及其使用方法

Dual suction vacuum apparatuses and methods for use
Abstract:
Apparatuses and methods for vacuuming floors and other surfaces can include a vacuum cleaner head having a first chamber in communication with a first inlet positioned on a bottom surface of the vacuum cleaner head and a first outlet connected to a vacuum line, a second chamber in communication with a second inlet positioned on at least one side of the vacuum cleaner head and a second outlet connected to the vacuum line, and a divider separating the first chamber from the second chamber.
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