公开(公告)号：US20180310787A1

公开(公告)日：2018-11-01

申请号：US16020914

申请日：2018-06-27

申请人： Luke R. Royce

发明人： Luke R. Royce

IPC分类号： A47L9/08 ,  A47L5/14 ,  A47L5/30 ,  A47L7/04

摘要： The improved vacuum cleaner is a recirculating type vacuum cleaner with a suction mechanism, air retrieving passageway, and dirt collecting member, that has an detachable nozzle formed as an elongated hollow hose that is attached between the exhaust port on the surface of the vacuum body and an inlet on the vacuum head. The nozzle is adapted to push air downward onto the surface to be vacuumed to dislodge dirt and particles in the surface where the air and dirt into air retrieving opening on the vacuum head.