Electrical body care brush

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.

1 . An attachment brush part for an electrical body care brush, comprising a brush head with a bristle carrier, on which a bristle field with a plurality of bristle bundles each with a plurality of care bristles is arranged,
 wherein   the bristle bundles are divided into three groups and in a neutral position of the bristle carrier an upper first and lower second group of bristle bundles each form an arc section and a middle third group of bristle bundles at least one straight-lined row.   
     
     
         2 . An attachment brush part according to  claim 1 , wherein the bristle field is profiled and the middle group of bristle bundles has a lower height compared to the first and second group of bristle bundles. 
     
     
         3 . An attachment brush part according to  claim 1 , wherein the middle group consists of several straight-lined parallel rows of bristle bundles. 
     
     
         4 . An attachment brush part according to  claim 3 , wherein the middle group forms a rectangular arrangement of the bristle bundles. 
     
     
         5 . An attachment brush part according to  claim 2 , wherein the first and second group of bristle bundles have a height difference of 1 mm or more with respect to the middle group of bristle bundles. 
     
     
         6 . An attachment brush part according to  claim 1 , wherein the upper and the lower group each forms at least one row of bristle bundles which is arranged in an arched manner. 
     
     
         7 . An attachment brush part according to  claim 6 , wherein the upper and lower group of bristle bundles each form several parallel, arched, arched rows of bristle bundles. 
     
     
         8 . An attachment brush part according to  claim 1 , wherein the bristle bundles are round. 
     
     
         9 . An attachment brush part according to  claim 1 , wherein the bristle carrier is round, and the upper and lower group of bristle bundles which are arranged in an arched manner are each arranged parallel to the circle line of the bristle carrier. 
     
     
         10 . An attachment brush part for an electrical body care brush, comprising a brush head with a bristle carrier, on which a bristle field with a plurality of bristle bundles each with a plurality of care bristles is arranged
 wherein   the bristle field comprises at least one bristle bundle, with an inclination.   
     
     
         11 . An attachment brush part according to  claim 10 , wherein the at least one bristle bundle is inclined in the peripheral direction of the bristle carrier. 
     
     
         12 . An attachment brush part according to  claim 10 , wherein the bristle field comprises a ring or circle of bristle bundles which are inclined in the peripheral direction of the bristle carrier. 
     
     
         13 . An attachment brush part according to  claim 10 , wherein the bristle field comprises an outer-lying first ring or circle of bristle bundles and an inner-lying, second ring or circle of bristle bundles which are inclined in the peripheral direction of the bristle carrier. 
     
     
         14 . An attachment brush part according to  claim 13 , wherein the bristle bundles of the one ring or circle are inclined along the peripheral direction in the clockwise direction and the bristle bundles of the other ring or circle are inclined along the peripheral direction in the anti-clockwise direction. 
     
     
         15 . An attachment brush part according to  claim 10 , wherein the bristle field in the centre region comprises at least one bristle bundle which is arranged parallel to the carrier rotation axis. 
     
     
         16 . An attachment brush part according to  claim 10 , wherein a step is formed in the free bristle end of at least one bristle bundle. 
     
     
         17 . An attachment brush part for an electrical body care brush, comprising a brush head with a bristle carrier, on which a bristle field is arranged
 wherein   the bristle field comprises a plurality of bristle field segments which each comprise a bristle bundle with care bristles.   
     
     
         18 . An attachment brush part according to  claim 17 , wherein at least one bristle field segment has a basic shape which is listed hereinafter:
 T-shaped;   triangular:   arched;   spiral shaped;   dash-shaped;   circular.   
     
     
         19 . An attachment brush part according to  claim 17 , wherein the bristle field comprises a central bristle field segment which can comprise one of the following shapes:
 round, such as circular;   spiral shaped.   
     
     
         20 . An attachment brush part according to  claim 17 , wherein the bristle field comprises several bristle field segments which extend radiantly outwards from the centre of the bristle field. 
     
     
         21 . An attachment brush part according to  claim 17 , wherein the bristle field comprises one or more ring-like or circular arrangements of bristle field segments which are arranged about a central bristle field segment. 
     
     
         22 . An attachment brush part according to  claim 17 , wherein the bristle field comprises several T-shaped bristle field segments each with a trunk which points to the centre, which are arranged circularly about the centre. 
     
     
         23 . An attachment brush part according to  claim 17 , wherein the bristle field comprises at least one arched bristle field segment, wherein the concave opening of the at least one arched bristle field segment is directed outwards or inwards to the centre. 
     
     
         24 . An attachment brush part for an electrical body care brush, wherein the attachment brush part is designed of several parts and comprises:
 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;   a brush head with a bristle carrier and with care bristles which are arranged on this, wherein the bristle carrier comprises a second toothing, as well as   a securing element for the rotatable mounting of the hand-part-side end section of the drive rod,   and the first and the second toothing form a drive toothing for the driving of the brush head by the drive rod.   
     
     
         25 . An attachment brush part according to  claim 24 , wherein the drive rod at its brush-head-side end section comprises a bearing pin, through which the control rotation axis runs and the bearing pin is rotatably mounted in a pin receiver on the attachment brush housing. 
     
     
         26 . An attachment brush part according to  claim 25 , wherein the pin receiver is arranged in the transition region between a housing neck which receives the drive rod and a housing head which receives the brush head or parts thereof. 
     
     
         27 . An attachment brush part according to  claim 24 , wherein the bristle carrier comprises a carrier body, on whose front side care bristles are arranged, as well as comprises a function unit which is arranged on a rear side of the carrier body, and the function unit comprises the second toothing, a bearing pin receiver for receiving the anchoring section of a bearing pin, as well as lateral stops for a limitation cam on the housing head of the attachment brush housing. 
     
     
         28 . An attachment brush part according to  claim 24 , wherein the attachment brush housing in the brush-head-side end section comprises a housing head with a bristle carrier receiver and with a carrier receiver opening which is arranged on the front side as well as with a feed-through opening which leads from the rear side into the bristle carrier receiver, for receiving a bearing pin from the rear side of the housing head. 
     
     
         29 . An attachment brush part according to  claim 24 , wherein the securing element forms a hand-part-side sleeve section with a nub receiver for receiving the coupling nub of the hand part. 
     
     
         30 . An attachment brush part according to  claim 24 , wherein the first and the second toothing each comprise 2 to 4 and 2 first and second teeth respectively. 
     
     
         31 . An attachment brush part according to  claim 24 , wherein a limitation cam which interacts with lateral stops on the brush head in a manner such that the rotation angle of the bristle carrier is limited, is arranged in the bristle carrier receiver of the housing head. 
     
     
         32 . An attachment brush part according to  claim 24 , wherein the drive rod consists of polyimide or comprises this. 
     
     
         33 . An attachment brush part according to  claim 32 , wherein the drive rod comprises fibres for reinforcement. 
     
     
         34 . An attachment brush part according to  claim 24 , wherein the attachment brush part consists of polybutylene terephthalate or comprises this. 
     
     
         35 . An attachment brush part according to  claim 1 , wherein the bristle carrier consists of polyoxymethylene or comprises this. 
     
     
         36 . An attachment brush part according to  claim 1 , wherein the bearing pin consists of metal. 
     
     
         37 . An electrical body care brush, with a hand part and with a multi-part attachment brush part according to  claim 24 . 
     
     
         38 . An electrical body care brush according to  claim 37 , wherein this is equipped with a device for determining a pressing pressure. 
     
     
         39 . An electrical body care brush according to  claim 38 , wherein the pressing pressure is determined from the electricity consumption of the electrical toothbrush. 
     
     
         40 . A method for manufacturing an attachment brush part according to  claim 24 , wherein the attachment brush housing, the drive rod, the securing element and the bristle carrier are each injected by way of an injection moulding method, and care bristles are attached onto the bristle carrier by way of an integrated or separate method step, and the components are brought together into the attachment brush part by way of a subsequent assembly step. 
     
     
         41 . A method for manufacturing an attachment brush part according to  claim 40 , wherein the components are brought together into the attachment brush part on an assembly mandrel. 
     
     
         42 . A method for manufacturing a brush head for an attachment brush part according to  claim 24 , wherein the care bristles are attached to the carrier body by way of an anchor punching method or an anchor-free method.