US 12,290,419 B2
Attachment brush device
Stefan Scherzinger, Willisau (CH); and Fabian Keller, Sursee (CH)
Assigned to TRISA HOLDING AG, Triengen (CH)
Appl. No. 17/799,800
Filed by TRISA HOLDING AG, Triengen (CH)
PCT Filed Feb. 15, 2021, PCT No. PCT/EP2021/053626
§ 371(c)(1), (2) Date Aug. 15, 2022,
PCT Pub. No. WO2021/165196, PCT Pub. Date Aug. 26, 2021.
Claims priority of application No. 20157718 (EP), filed on Feb. 17, 2020.
Prior Publication US 2023/0090544 A1, Mar. 23, 2023
Int. Cl. A46B 13/02 (2006.01); A61C 17/22 (2006.01); A61C 17/34 (2006.01)
CPC A61C 17/222 (2013.01) [A46B 13/02 (2013.01); A61C 17/34 (2013.01)] 13 Claims
OG exemplary drawing
 
1. A plug-on brush device for a toothbrush handpiece, the plug-on brush device comprising an application unit comprising a head section with a brush head, a plug-on section and a neck section that is arranged between the head section and the plug-on section, and an interface accommodation unit which is configured to receive at least one interface of the toothbrush handpiece,
wherein
the interface accommodation unit is realized separately and the plug-on section of the application unit comprises a receiving region for receiving the interface accommodation unit completely in a loss-proof manner,
the receiving region of the application unit comprises five sub-receiving regions which are arranged behind one another along a main extension direction, and
the interface accommodation unit comprises at least one first fixing region, which is configured for a direct contact with the receiving region of the plug-on section, and which has an at least approximately triangular cross section.