US 11,678,737 B2
Methods for cleaning a surface
John W. Pringle-Iv, Gardena, CA (US); Raul Tomuta, Stanton, CA (US); and Chris J. Erickson, Garden Grove, CA (US)
Assigned to The Boeing Company, Arlington, VA (US)
Filed by The Boeing Company, Chicago, IL (US)
Filed on Jan. 10, 2020, as Appl. No. 16/739,412.
Application 16/739,412 is a division of application No. 15/890,923, filed on Feb. 7, 2018, granted, now 10,575,628.
Prior Publication US 2020/0146434 A1, May 14, 2020
Int. Cl. A46B 13/02 (2006.01); A47L 7/02 (2006.01); A47L 7/00 (2006.01); B08B 1/00 (2006.01); B08B 5/04 (2006.01); B08B 1/04 (2006.01)
CPC A46B 13/02 (2013.01) [A47L 7/0076 (2013.01); A47L 7/02 (2013.01); B08B 1/002 (2013.01); B08B 1/04 (2013.01); B08B 5/04 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method of cleaning a surface, the method comprising steps of:
positioning a brush in contact with the surface;
spacing the brush laterally outboard relative to a drum with a brush arm, connected to the drum;
rotating the brush about a second axis relative to the drum; and
rotating the drum about a first axis relative to a bracket, connected to a handle and rotatably supporting the drum, such that the brush orbitally revolves about the first axis,
wherein the first axis is parallel to the second axis.