US 12,239,266 B2
Extractor cleaning machine
Michael Wright, Wadsworth, OH (US); John Bantum, Munroe Falls, OH (US); Marlee Poitinger, Cleveland, OH (US); and Rafael Davila, Kannapolis, NC (US)
Assigned to Techtronic Floor Care Technology Limited, Tortola (VG)
Filed by Techtronic Floor Care Technology Limited, Tortola (VG)
Filed on Jan. 14, 2022, as Appl. No. 17/576,586.
Application 17/576,586 is a continuation of application No. 15/270,897, filed on Sep. 20, 2016, abandoned.
Claims priority of provisional application 62/253,920, filed on Nov. 11, 2015.
Prior Publication US 2022/0133113 A1, May 5, 2022
Int. Cl. A47L 11/30 (2006.01); A47L 11/34 (2006.01); A47L 11/40 (2006.01)
CPC A47L 11/30 (2013.01) [A47L 11/34 (2013.01); A47L 11/4008 (2013.01); A47L 11/4016 (2013.01); A47L 11/4036 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A handheld extractor comprising:
a housing including a first side, a second side, and a third side;
a suction source within the housing;
a hose in communication with the suction source, the hose forming a suction nozzle movable relative to the housing;
a supply tank configured to store a cleaning fluid, the supply tank carried by the housing adjacent the first side of the housing;
a distribution nozzle;
a first fluid flow path between the supply tank and the distribution nozzle;
a fluid delivery system in communication with the supply tank via the first fluid flow path, the fluid delivery system delivers the cleaning fluid from the supply tank to a surface to be cleaned through the distribution nozzle;
a recovery tank carried by the housing adjacent the second side of the housing, the suction source in communication with the recovery tank and the hose for drawing fluid through the hose and storing the drawn fluid in the recovery tank;
a cleaning chamber in the third side of the housing; and
a second fluid flow path extending within the housing from the supply tank to the cleaning chamber,
a cleaning chamber valve that permits introduction of the cleaning fluid into the cleaning chamber when the suction nozzle is received in the cleaning chamber and the cleaning chamber includes a valve housing,
wherein the cleaning chamber receives the suction nozzle and the suction source provides suction through the hose and the second fluid flow path to extract the cleaning fluid from the supply tank, along the second fluid flow path into the cleaning chamber, through the hose and into the recovery tank to flush the cleaning fluid through the hose to clean the hose when the suction nozzle is received in the cleaning chamber,
wherein the valve housing also receives a portion the suction nozzle, and
wherein the cleaning chamber valve includes a plunger that is actuatable between a closed position to inhibit the cleaning fluid from entering the cleaning chamber and an open position to permit the cleaning fluid to enter the cleaning chamber through the plunger.