US 11,666,191 B2
Rotary brush and robotic dust collector
Kentaro Koura, Anjo (JP); and Hirotaka Sumiyoshi, Anjo (JP)
Assigned to MAKITA CORPORATION, Anjo (JP)
Filed by MAKITA CORPORATION, Anjo (JP)
Filed on Aug. 20, 2020, as Appl. No. 16/998,549.
Claims priority of application No. JP2019-179445 (JP), filed on Sep. 30, 2019.
Prior Publication US 2021/0093136 A1, Apr. 1, 2021
Int. Cl. A47L 9/04 (2006.01); A47L 9/28 (2006.01)
CPC A47L 9/0466 (2013.01) [A47L 9/0411 (2013.01); A47L 9/0427 (2013.01); A47L 9/2884 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A rotary brush attachable to a driving shaft, the driving shaft being rotatable about a rotation axis and including a protrusion at a distal end of the driving shaft, the rotary brush comprising:
a brush;
a base to which the brush is attached; and
a locking member including
a fastener configured to contact the protrusion while surrounding the protrusion, and
a cap supporting the fastener, wherein:
the locking member is configured to contact the base and the driving shaft to lock the base to the driving shaft; and
the base, the driving shaft and the locking member are configured such that the base and the driving shaft are locked and unlocked with the fastener by moving an entirety of the cap in a guide direction perpendicular to the rotation axis.