US 12,342,979 B2
Robotic cleaner with dual cleaning rollers
Steven Paul Carter, London (GB); Adam Udy, Sutton (GB); Catriona A. Sutter, Brookline, MA (US); Christopher Pinches, Surrey (GB); David S. Clare, London (GB); Andre David Brown, Natick, MA (US); John Freese, Chestnut Hill, MA (US); Patrick Cleary, Allston, MA (US); Alexander J Calvino, Needham, MA (US); Lee Cottrell, Newton, MA (US); Daniel Meyer, Boston, MA (US); Daniel John Innes, West Roxbury, MA (US); David Jalbert, Needham, MA (US); Jason B. Thorne, Wellesley Hills, MA (US); Peter Hutchinson, Suzhou (CN); Gordon Howes, Suzhou (CN); Wenxiu Gao, Suzhou (CN); David Wu, Needham, MA (US); David W. Poirier, Lexington, MA (US); and Daniel R. Der Marderosian, Westwood, MA (US)
Assigned to SharkNinja Operating LLC, Needham, MA (US)
Filed by SHARKNINJA OPERATING LLC, Needham, MA (US)
Filed on Nov. 27, 2023, as Appl. No. 18/519,793.
Application 18/519,793 is a continuation of application No. 17/556,992, filed on Dec. 20, 2021, granted, now 11,839,346.
Application 17/556,992 is a continuation of application No. 15/987,589, filed on May 23, 2018, granted, now 11,202,542, issued on Dec. 21, 2021.
Claims priority of provisional application 62/511,099, filed on May 25, 2017.
Prior Publication US 2024/0090721 A1, Mar. 21, 2024
This patent is subject to a terminal disclaimer.
Int. Cl. A47L 5/30 (2006.01); A47L 7/00 (2006.01); A47L 9/04 (2006.01); A47L 9/06 (2006.01)
CPC A47L 9/0613 (2013.01) [A47L 5/30 (2013.01); A47L 9/0477 (2013.01); A47L 9/0488 (2013.01); A47L 7/0066 (2013.01); A47L 2201/00 (2013.01)] 19 Claims
OG exemplary drawing
 
1. A robotic cleaner comprising:
a housing with an opening on an underside of the housing;
a debris collector located in the housing for receiving debris;
a first agitator roll rotatably mounted to the housing such that a portion of the first agitator extends below the underside;
a second agitator rotatably mounted in front of the first agitator; and
a combing unit disposed at least partially between the first and second agitators, wherein the combing unit includes at least a first series of spaced combing protrusions extending towards the first agitator and a second series of spaced combing protrusions extending towards the second agitator;
wherein the first series of spaced combing protrusions are disposed above the center of rotation of the first agitator and wherein the second series of spaced combing protrusions are disposed below a center of rotation of the second agitator.