US 11,779,176 B2
Self-cleaning system and method for extraction cleaners
Alan J. Krebs, Pierson, MI (US); Kenneth M. Lenkiewicz, Grand Rapids, MI (US); Scott Miller Vogel, Grand Rapids, MI (US); Aaron P. Griffith, Grand Rapids, MI (US); Eric Daniel Buehler, Grand Rapids, MI (US); Jeffrey A. Scholten, Ada, MI (US); and Jake Boles, Kentwood, MI (US)
Assigned to BISSELL Inc., Grand Rapids, MI (US)
Filed by BISSELL Inc., Grand Rapids, MI (US)
Filed on Aug. 4, 2022, as Appl. No. 17/880,824.
Application 17/880,824 is a continuation of application No. 15/994,040, filed on May 31, 2018, granted, now 11,439,283.
Claims priority of provisional application 62/514,095, filed on Jun. 2, 2017.
Prior Publication US 2022/0378260 A1, Dec. 1, 2022
Int. Cl. A47L 7/00 (2006.01); A47L 11/40 (2006.01); A47L 11/292 (2006.01); A47L 9/00 (2006.01); A47L 11/30 (2006.01)
CPC A47L 7/0052 (2013.01) [A47L 7/0009 (2013.01); A47L 9/0063 (2013.01); A47L 11/292 (2013.01); A47L 11/302 (2013.01); A47L 11/40 (2013.01); A47L 11/4083 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A cleaning tray for an extraction cleaner having a fluid delivery system, a suction nozzle, a brush chamber, and an agitator, the cleaning tray comprising:
a tray body configured to physically support a portion of the extraction cleaner;
a plurality of spray nozzles on the tray body configured to spray cleaning fluid toward at least one of the suction nozzle, the brush chamber, and the agitator of the extraction cleaner; and
a fluid delivery pathway supplying cleaning fluid to the plurality of spray nozzles, the fluid delivery pathway comprising an inlet configured to fluidly couple with the fluid delivery system of the extraction cleaner;
wherein a portion of the fluid delivery pathway is one of formed in the tray body and mounted to the tray body.