PATHWAY STRUCTURE OF DUSTMETER FOR USING IN VACUUM CLEANER

摘要

a ventilation hole formed on the upper side of a cordreel receiving portion, for exposing a dust display intake hole of a dust display to the outside, to thereby move air flow from the codereel receiving portion to a driving motor receiving portion. The air flowing within the ventilation hole is movable in an one-way direction from the cordreel receiving portion to a driving motor receiving portion.