US 12,245,685 B2
Manual toothbrush having replaceable head
Uwe Jungnickel, Königstein (DE); and Jens Alinski, Kelkheim (DE)
Assigned to The Gillette Company LLC, Boston, MA (US)
Filed by The Gillette Company LLC, Boston, MA (US)
Filed on Jun. 22, 2021, as Appl. No. 17/354,027.
Application 17/354,027 is a continuation of application No. 16/272,872, filed on Feb. 11, 2019, granted, now 11,553,782.
Claims priority of application No. 18156000 (EP), filed on Feb. 9, 2018.
Prior Publication US 2021/0307496 A1, Oct. 7, 2021
Int. Cl. A46B 5/00 (2006.01); A46B 7/04 (2006.01); A46B 13/08 (2006.01); A46B 15/00 (2006.01); A61C 17/00 (2006.01); A61C 17/22 (2006.01); H01R 13/627 (2006.01); A46B 9/04 (2006.01)
CPC A46B 5/0095 (2013.01) [A46B 7/04 (2013.01); A46B 13/08 (2013.01); A46B 15/0044 (2013.01); A61C 17/00 (2013.01); A61C 17/222 (2013.01); H01R 13/6276 (2013.01); A46B 9/04 (2013.01); A46B 2200/1066 (2013.01); A61C 17/225 (2013.01); H01R 2201/12 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A replaceable head for removeable connection with a manual toothbrush handle, the head comprising:
a first end, a second end opposite to the first end, a neck having a hollow portion therein and extending between the first end and the second end, and a bristle carrier disposed adjacent to the first end;
wherein the second end comprises a second-end opening leading into the hollow portion of the neck;
wherein the second end terminates with a second-end edge comprising a chamfered surface structured and configured to mate with a corresponding chamfered surface of the handle when the head is connected thereto;
wherein an inner wall is defined within the hollow portion;
wherein the inner wall comprises a recess for receiving a spring-loaded ball associated with a connector of the handle, and
wherein the head comprises at least one rib for precisely adjusting the head on the connector of the handle, the at least one rib extending from the inner wall within the hollow portion to the recess for receiving a spring-loaded ball.