VACUUM CLEANER

摘要

PURPOSE: A vacuum cleaner is provided to extend a repair and maintenance period of a filter member by increasing a surface area and forming a plurality of protrusion parts on one or more side of the filter member. CONSTITUTION: A vacuum cleaner comprises a main body, a suction motor, a dust collecting chamber, a suction nozzle and a filter member(30). A plurality of air holes is formed inside the filter member. The filter member is made with a porous material. A plurality of protrusion parts(31) is formed on one or more filter members. The protrusions have different height and curvatures.