| 摘要 |
The invention relates to an attachment part, particularly in the form of an attachment brush for an electric tooth brush, having a working head, a tubular connection piece being connected to the working head for connecting the same to the neck of a hand-held piece of a tooth brush, and a drive shaft for driving the working head. The invention further relates to a handle part, a hand-held piece, which comprises a coupling device for coupling the attachment part, particularly in the form of an attachment brush, and comprising a drive shaft for driving the attachment part, said drive shaft having a shaft coupling piece for coupling to the attachment part side of the drive shaft. The tubular connection piece of the attachment part has an interior latching member that is configured and disposed such that the same retracts into the interior of the hand-held neck upon attaching the attachment piece onto the hand-held piece neck, and engages into an interior contour of said hand-held piece neck. The tooth brush hand-held piece is characterized in that the hand-held piece neck comprises interior latching means on the inside thereof for engaging into the interior latching element of the attachment piece retracting into the interior of the hand-held piece neck.
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