| 摘要 |
THE INVENTION PROVIDES A CLEANER HEAD ASSEMBLY FOR A VACUUM CLEANER COMPRISING A CLEANER HEAD BODY (10) ROTATABLY MOUNTABLE ON THE MAIN BODY (102) OF A VACUUM CLEANER (100) , A BRUSH HOUSING (110) ROTATABLY MOUNTED ON THE CLEANER HEAD BODY (10) AND HAVING A DIRTY AIR INLET (112), A DIRTY AIR OUTLET AND A BRUSH BAR (26) MOUNTED IN THE DIRTY AIR INLET (112), WHEREIN THE BRUSH HOUSING (110) HAS PROJECTING ARM (30) CARRYING A CAM FOLLOWER (32) FOR CONTACTING A CAM SURFACE (34) LOCATED ON THE MAIN BODY (102) OF THE VACUUM CLEANER (100),THE CAM SURFACE (34) BEING ADAPTED TO MAINTAIN THE DIRTY AIR INLET (112) IN A HORIZONTAL PLANE. THIS MAINTAINS GOOD SUCTION THROUGH THE CLEANER HEAD DURING CLEANING.FIG.3
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