Brush part for electrical toothbrush
OwnerRaimund Hofmann, Jorg Hofmanninventors
Life of this patent
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Abstract
This invention is a brush part for an electrical toothbrush with a housing (40) that can be connected to a handle (30). This housing has a vertical drill hole (49) and a horizontal drill hole (46); an axle (3) that can be connected to a shaft (2) of the handle (30). This axle can be fit into the vertical drill hole (49) such that it is still turnable. A brush head (80) that can be fit into the horizontal drill hole (46) such that it is turnable; Transfer elements (17, 86) to transfer the rotation of the axle (3) onto the brush head (80). The brush head (80) is set in the horizontal drill hole (46) via a lockable sleeve bearing resulting in a corresponding axial fixation, and/or the axle (3) is set in the vertical drill hole (49) via a lockable sleeve bearing (35, 44, 88).
Claims20
A brush part for an electrical toothbrush, said brush part comprising:
- a housing for connection to a handle of the electrical toothbrush, said housing having a vertical drill hole and a horizontal drill hole;
- an axle for connection to a shaft of the handle, said axle being mounted for rotation in the vertical drill hole of the housing;
- a brush head, said brush head being mounted for rotation in the horizontal drill hole of the housing;
- transfer elements for transferring the rotation of the axle to the brush head;
- and
- a locking ring, said locking ring sized to be received into the housing opposite the horizontal drill hole, said locking ring having a bushing for holding a basal end of the axle.
Dependencies are inferred from the claim text.