A SUCTION PORT OF ROTARY BRUSH FOR VACUUM CLEANER

摘要

The rotating brush suction entrance is constructed that the rotating brush installed in a concave groove is formed in a hemisphere shape, guide wings the brush is planted in the center of a suction trunk hole are stand-installed in a spiral type so that an eddy pheonmenon is produced up, and a concave entrance groove is concave-installed in the spiral type in the same direction as the guide wing on the surface of a lower part case. The cleaning efficiency is heightened more effectively.