Abstract: The invention is directed in particular to a drive unit (10) for an electric toothbrush handpiece (2) having a gear unit (11) and an electric motor (16). The gear unit (11) comprises an eccentric (15), a connecting rod (14), a drive shaft (12), and an articulation piece (13) that is securely connected to the drive shaft (12). The electric motor (16) has a motor shaft (16a). Furthermore, the eccentric (15) has a main part (15a) with a main part axis (XG) and an eccentric pin (15b) which is arranged on the main part (15a) and extends from the main part (15a) in parallel with the main part axis (XG). The connecting rod (14) has a first bearing (14a), a second bearing (14b), and a rod element (14c) which connects the first bearing (14a) to the second bearing (14b). The articulation piece (13) is secured to the drive shaft (12) and has an articulation pin (13a) which extends in parallel with the drive shaft (12) and counter to the eccentric pin (15b).

Abstract: An attachment brush part for an electrical body care brush, in particular an electrical toothbrush, includes brush head with an in particular circular bristle carrier, on which a bristle field with a plurality of bristle bundles each with a plurality of care bristles is arranged.

Abstract: An attachment brush part for an electrical body care brush, in particular an electrical toothbrush, wherein the attachment brush part is designed in a multi-part manner. The attachment brush part includes an attachment brush housing, a drive rod for driving a brush head, with a brush-head-side end section, on which a first toothing is arranged, and with a hand-part-side end section, and furthermore a brush head with a bristle carrier and care bristles which are arranged on this, wherein the bristle carrier includes a second toothing. The attachment brush housing further includes a securing element for the rotatable mounting of the hand-part-side end section of the drive rod. The first and second toothing form a drive toothing for the driving of the brush head by the drive rod.

Abstract: An attachment brush part for an electrical body care brush, in particular an electrical toothbrush, includes brush head with an in particular circular bristle carrier, on which a bristle field with a plurality of bristle bundles each with a plurality of care bristles is arranged.

Abstract: An attachment brush part for an electrical body care brush, in particular an electrical toothbrush, wherein the attachment brush part is designed in a multi-part manner. The attachment brush part includes an attachment brush housing, a drive rod for driving a brush head, with a brush-head-side end section, on which a first toothing is arranged, and with a hand-part-side end section, and furthermore a brush head with a bristle carrier and care bristles which are arranged on this, wherein the bristle carrier includes a second toothing. The attachment brush housing further includes a securing element for the rotatable mounting of the hand-part-side end section of the drive rod. The first and second toothing form a drive toothing for the driving of the brush head by the drive rod.