Rotating brush controlling apparatus in a floor sweeping machine
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United States of America Patent
Stats
-
Jul 8, 2008
Grant Date -
Dec 2, 2004
app pub date -
May 27, 2004
filing date -
May 29, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Provision is made for a rotating brush controlling apparatus (8) in a floor sweeping machine (1), comprising: a lifting device (15) suitable for applying a lifting force (15a) which is capable of lifting a rotating brush (8) to remove the same from a surface to be swept (7), and an actuating device-(16) which is suitable for applying a working force (16a) on command against the lifting force (15a), where the rotating brush (8) and the actuating device (16) are linked to each other and where moreover some adjusting devices (24) are provided, which are suitable both for optionally selecting the working force (16a) to selectively force the rotating brush (8) on the surface (7) to be swept, and for keeping the working force (16a) substantially constant in the presence of irregularities in the surface to be swept (7).
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Cited Art Landscape
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