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US 6,374,448 B2Granted
Toothbrush
AssigneeM+C Schiffer GmbH
InventorArmin Seifert
Life of this patent
Estimating the term…
Abstract
The present invention relates to a brush, in particular a toothbrush, comprising a brush body carrying cleaning elements and a perforated plate through which the cleaning elements are projecting. A brush which is improved in terms of hygiene is created by the present invention in that the cleaning elements are arranged on a bristle carrier which is in threaded engagement with the brush body, and that the perforated plate is rotatably held on the brush body. Furthermore, the present invention suggests a bristle insert as a replacement part for said brush.
Claims20
A toothbrush comprising:
- (a) a brush body (2, 4, 6) including an elongated handle part (2) having a longitudinal dimension extending between a pair of ends;
- (b) a brush head (4) connected to one end of said handle part and having an upper surface and a lower surface, said brush head (4) supporting a plurality of longitudinal cleaning elements (26, 54) projecting from said upper surface in a direction substantially perpendicular to the longitudinal dimension of said elongated handle part (2);
- (c) a bristle carrier (16) supporting said cleaning elements (26;
- 54) and being threadably mounted within a recess (13) formed in said brush head (4), said recess (13) being open to said lower surface of said brush head (4) opposite said upper surface;
- and
- (d) a perforated plate (38) through which said cleaning elements (26;
- 54) extend to project from said upper surface, said perforated plate (38) being rotatably supported on said brush head (4) to permit rotation of said bristle carrier relative to said brush body, said perforated plate ending flush with the upper surface of said brush head (4).
4 more elements
Dependencies are inferred from the claim text.