Patents Assigned to SHENZHEN NUOSHENG SHIYUAN TECHNOLOGY CO., LTD.
  • Patent number: 11382729
    Abstract: A toothbrush head for an electric toothbrush including a driving shaft, includes a brush rod and a connecting member. The brush rod has a first end configured to carry bristles and a second end configured to be connected with the driving shaft, the second end defines a holding groove, and a lower surface of the second end is provided with an opening communicated with the holding groove. The connecting member includes a connecting body and an elastic piece connected to the connecting body. The connecting body is arranged inside the holding groove, the elastic piece is arranged between the opening and the connecting body and resists against an inner sidewall surrounding the holding groove. The opening and the holding groove are configured to allow the driving shaft to be inserted therethrough to be engaged with the connecting body.
    Type: Grant
    Filed: November 19, 2021
    Date of Patent: July 12, 2022
    Assignee: SHENZHEN NUOSHENG SHIYUAN TECHNOLOGY CO., LTD.
    Inventor: Hanping Li