Electric toothbrush rotating replacement head device

    公开(公告)号:US12127900B1

    公开(公告)日:2024-10-29

    申请号:US18391744

    申请日:2023-12-21

    申请人: Hanwu Liu

    发明人: Hanwu Liu

    摘要: An electric toothbrush rotating replacement head device includes: a toothbrush replacement head body including a toothbrush handle and a toothbrush head. The toothbrush handle defines a cavity, and the toothbrush head is disposed on a top of the cavity. A rotating shaft is disposed in the cavity. The toothbrush head includes: a bristle combination body. A shape of the bristle combination body corresponds to a shape of the toothbrush head. The bristle combination body includes: a first lug boss and a pin, the first lug boss defines a pin installation hole, and the pin is in an interference fit with the pin installation hole. A top edge of the first lug boss is provided with a bristle limiting bone, and a bottom of the first lug boss is provided with a driven gear. The rotating shaft is provided with a driving gear meshed with the driven gear.

    Toothbrush head
    2.
    外观设计

    公开(公告)号:USD1020655S1

    公开(公告)日:2024-04-02

    申请号:US29906212

    申请日:2023-11-01

    申请人: Hanwu Liu

    设计人: Hanwu Liu

    摘要: FIG. 1 is a front, right and top perspective view of a toothbrush head, showing my design.
    FIG. 2 is a rear, left and bottom perspective view thereof.
    FIG. 3 is a front elevation view thereof.
    FIG. 4 is a rear elevation view thereof.
    FIG. 5 is a left side elevation view thereof.
    FIG. 6 is a right side elevation view thereof.
    FIG. 7 is a top plan view thereof; and,
    FIG. 8 is a bottom plan view thereof.
    The broken lines depict portions of the toothbrush head that form no part of the claimed design.

    Toothbrush head
    3.
    外观设计

    公开(公告)号:USD1018061S1

    公开(公告)日:2024-03-19

    申请号:US29917055

    申请日:2023-11-16

    申请人: Hanwu Liu

    设计人: Hanwu Liu

    摘要: FIG. 1 is a front, right and top perspective view of a toothbrush head, showing my design.
    FIG. 2 is a rear, left and bottom perspective view thereof.
    FIG. 3 is a front elevation view thereof.
    FIG. 4 is a rear elevation view thereof.
    FIG. 5 is a left side elevation view thereof.
    FIG. 6 is a right side elevation view thereof.
    FIG. 7 is a top plan view thereof; and,
    FIG. 8 is a bottom plan view thereof.
    The broken lines depict portions of the toothbrush head that form no part of the claimed design.