公开(公告)号：US12011129B1

公开(公告)日：2024-06-18

申请号：US18207579

申请日：2023-06-08

Applicant: SHARKNINJA OPERATING LLC

Inventor： Adam Udy ,  Chi Ho Hui ,  Jian cheng Wang ,  Kevin O'Malley ,  Qiang Liu ,  Yinhui Li ,  Bin Yao ,  Linqiang Feng ,  Mingchun Zhu ,  Mingliang Qin ,  Richard Marc Dahlgren

IPC: A47L11/40 ,  A47L5/22 ,  A47L9/24 ,  A47L11/30

CPC classification number: A47L11/4083 ,  A47L5/225 ,  A47L11/4016 ,  A47L11/4088 ,  A47L9/242 ,  A47L11/302

Abstract: An extraction cleaner may include a base, an upright body pivotally coupled to the base, a supply tank removably coupled to the upright body and a recovery tank removably coupled to the upright body. The base may include a non-removable door and a removable suction nozzle. At least one fluid dispensing nozzle may be provided on the door. The door may be pivotally coupled to the base for providing access to an agitator. The cleaner may include and auto-spray configuration. The cleaner may include a support on the upright portion for the recovery tank. The cleaner may include an additive tank received in a receptacle of the supply tank. The recovery tank may include a float and/or an airflow management configuration. The cleaner may include a cleaning tool and a suction changeover valve and/or a fluid changeover valve. The cleaner may include a mixing valve for supplying fluid to a fluid changeover valve. A cleaning composition including an aqueous based cleaning solution mixed, on demand, with an aqueous based oxidizing solution is also provided.