US 12,453,408 B2
Cleaner head for a vacuum cleaner
Steven John Forbes, Swindon (GB); and Andrew Paul Fussell, Newport (GB)
Assigned to Dyson Technology Limited, Malmesbury (GB)
Appl. No. 17/280,028
Filed by Dyson Technology Limited, Wiltshire (GB)
PCT Filed Sep. 26, 2019, PCT No. PCT/GB2019/052724
§ 371(c)(1), (2) Date Mar. 25, 2021,
PCT Pub. No. WO2020/065329, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 1815655 (GB), filed on Sep. 26, 2018.
Prior Publication US 2021/0393024 A1, Dec. 23, 2021
Int. Cl. A46B 13/00 (2006.01); A46B 3/02 (2006.01); A46B 13/02 (2006.01); A46D 1/00 (2006.01); A46D 3/00 (2006.01); A47L 5/26 (2006.01); A47L 9/04 (2006.01)
CPC A46B 13/006 (2013.01) [A46B 3/02 (2013.01); A46B 13/005 (2013.01); A46B 13/02 (2013.01); A46D 1/0207 (2013.01); A46D 3/00 (2013.01); A47L 5/26 (2013.01); A47L 9/0477 (2013.01); A46B 2200/3033 (2013.01)] 31 Claims
OG exemplary drawing
 
1. A brush bar comprising:
a central core in the form of a rigid tube;
a plurality of outwardly extending bristles in the form of at least one bristle strip, the at least one bristle strip comprising a root portion and a tip portion opposite to the root portion;
a first strip of sealing material separately formed from the central core and extending over a first portion of the brush bar; and
a second strip of sealing material separately formed from the central core and extending over a second portion of the brush bar different than the first portion of the brush bar, the second strip of sealing material being completely spaced apart from the first strip of sealing material in a circumferential direction,
wherein the root portion of the at least one bristle strip radially underlies and is directly fixed to an innermost surface of the first strip of sealing material, and wherein the tip portion of the at least one bristle strip radially and directly overlies an outermost surface of the second strip of sealing material,
wherein the root portion is sandwiched between the innermost surface of the first strip of sealing material and an outer surface of the central core such that the root portion is tangential to the outer surface of the central core, and wherein a remaining portion of the at least one bristle strip extends away from the outer surface of the central core.