发明名称 VACUUM CLEANER NOZZLE ASSEMBLY HAVING EDGE-CLEANING DUCTS
摘要 A vacuum cleaner nozzle assembly having at least one auxiliary suction opening along an edge thereof for picking up dirt and debris as the nozzle is moved along a wall or other obstruction. The auxiliary suction openings may be on both sides of the nozzle assembly, located proximate the ends of the primary intake opening. Auxiliary suction ducts connect the auxiliary intake openings to an internal plenum that also supplies vacuum to the main intake opening. The primary and secondary airflows merge in the plenum for withdrawal and collection. The nozzle assembly may be a power nozzle having a roller brush and a drive motor, or may be an unpowered carpet nozzle.
申请公布号 KR101018971(B1) 申请公布日期 2011.03.03
申请号 KR20047011458 申请日期 2003.01.27
申请人 发明人
分类号 A47L9/04;A47L9/02 主分类号 A47L9/04
代理机构 代理人
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