| 摘要 |
Floor cleaning machine comprising: a) a front portion (13) and a rear portion (12); the rear portion (12) comprising at least two lateral rear wheels (11); b) a chassis (10) with a lower side (22) directed towards a floor (20) to be cleaned and two lateral sides (23a, 23b); c) at least one front wheel (3) arranged in the front portion (13); and d) a cleaning unit (14) attached to the chassis (10) and including at least one rotatable brush (6) which is arranged in front of the rear wheels (11) and which has a floor contact region (28) so as to contact a floor (20) to be cleaned; wherein the at least one front wheel (3) is moveable with respect to the chassis (10) from a retracted position to a lowered position in which it protrudes from the floor contact region (28) of the at least one brush (6). |
