US 12,144,483 B2
Handheld extraction cleaner
Victoria J. Royale, Charlotte, MI (US); and Aaron Griffith, Grand Rapids, MI (US)
Assigned to BISSELL Inc., Grand Rapids, MI (US)
Filed by BISSELL Inc., Grand Rapids, MI (US)
Filed on Dec. 20, 2021, as Appl. No. 17/555,830.
Application 17/555,830 is a continuation of application No. 17/108,026, filed on Dec. 1, 2020, granted, now 11,229,338.
Claims priority of provisional application 62/943,442, filed on Dec. 4, 2019.
Prior Publication US 2022/0110493 A1, Apr. 14, 2022
Int. Cl. A47L 7/00 (2006.01); A47L 5/26 (2006.01); A47L 9/04 (2006.01); A47L 9/32 (2006.01); A47L 11/26 (2006.01); A47L 11/40 (2006.01)
CPC A47L 7/0009 (2013.01) [A47L 5/26 (2013.01); A47L 7/0038 (2013.01); A47L 9/0477 (2013.01); A47L 9/322 (2013.01); A47L 11/26 (2013.01); A47L 11/4016 (2013.01); A47L 11/4041 (2013.01); A47L 11/4069 (2013.01); A47L 11/4075 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A handheld extraction cleaner, comprising:
a unitary body including a carry handle;
a fluid delivery system including a supply tank carried by the unitary body and at least one fluid distributor;
a recovery system including a working air path through the unitary body, a suction nozzle defining an inlet to the working air path, a suction source in fluid communication with the suction nozzle, and a recovery tank removably mounted to the unitary body, the recovery tank comprising:
a tank body defining a collection chamber for dirty liquid recovered by the recovery system; and
an inlet opening in the tank body, the collection chamber configured to receive dirty liquid through the inlet opening;
a spring-loaded flapper door that automatically seals the inlet opening when the recovery tank is removed from the unitary body; and
a flapper actuator to automatically open the flapper door when the recovery tank is mounted on the unitary body;
wherein the flapper actuator comprises at least one rib to push the flapper door open and away from the inlet opening;
wherein the flapper door comprises an inner surface facing the collection chamber, an outer surface facing away from the collection chamber, and at least one projection extending from the outer surface; and
wherein the at least one projection is engaged by the at least one rib when the recovery tank is mounted on the unitary body.