US 11,744,431 B2
Surface cleaning apparatus
Steven M. Johnson, Hudsonville, MI (US); James Michael Preston, Grand Rapids, MI (US); Alan Finnie, Hudsonville, MI (US); Mitchell J. DeJonge, Fruitport, MI (US); and Jason W. Pruiett, Grand Rapids, MI (US)
Assigned to BISSELL Inc., Grand Rapids, MI (US)
Filed by BISSELL Inc., Grand Rapids, MI (US)
Filed on Jan. 26, 2022, as Appl. No. 17/584,840.
Application 17/584,840 is a continuation of application No. 16/812,809, filed on Mar. 9, 2020, granted, now 11,540,693.
Application 16/812,809 is a continuation of application No. 15/841,666, filed on Dec. 14, 2017, granted, now 10,602,903.
Claims priority of provisional application 62/435,120, filed on Dec. 16, 2016.
Prior Publication US 2022/0142445 A1, May 12, 2022
Int. Cl. A47L 9/04 (2006.01); A47L 11/40 (2006.01); A47L 11/34 (2006.01); A47L 7/00 (2006.01); A47L 11/18 (2006.01); A47L 5/32 (2006.01)
CPC A47L 11/4094 (2013.01) [A47L 7/0014 (2013.01); A47L 7/0038 (2013.01); A47L 11/185 (2013.01); A47L 11/34 (2013.01); A47L 11/4016 (2013.01); A47L 11/4041 (2013.01); A47L 11/4044 (2013.01); A47L 11/4083 (2013.01); A47L 11/4088 (2013.01); A47L 5/32 (2013.01); A47L 9/0444 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A surface cleaning apparatus comprising:
a base assembly adapted for movement across a surface to be cleaned;
an upright assembly pivotally connected to the base assembly to direct the base assembly across the surface to be cleaned; and
a fluid recovery system comprising a suction source, a suction nozzle provided on the base assembly in fluid communication with the suction source, and a recovery container;
the base assembly comprising:
a base housing;
a brush chamber including a rear wall defining a rear of the brush chamber, a top wall defining a top of the brush chamber, and a front wall defining a front of the brush chamber, the front wall and the rear wall extending downwardly from the top wall;
at least one brushroll in the brush chamber; and
a brush housing releaseably attached to the base housing, the brush housing removable to access the at least one brushroll;
wherein the rear wall of the brush chamber is attached to and removable with the brush housing, and wherein the rear wall extends downwardly further than a rotational axis of the at least one brushroll rearward of a middle of the at least one brushroll when the brush housing is attached to the base housing.