Mechanical toothbrush

Details Mechanical toothbrush Mechanical toothbrush

2006-04-04

2006-04-04

Graham, Gary K. (Department: 1744)

Brushing, scrubbing, and general cleaning

Machines

Brushing

C015S028000

Reexamination Certificate

active

07020925

ABSTRACT:
A toothbrush distal end for attachment to a handle of a mechanical toothbrush; the distal end comprising: a head; a neck having a proximal end and a distal end; a drive shaft having a driving bevelled gear fixed to distal end thereof; a brush consisting of a bristle array on a brush back plate, and a movement; the head being fixedly attached to the distal end of the neck; the neck being fixedly couplable to the handle and the drive shaft being couplable to a driving means; the neck being hollow and serving as a sleeve for the drive shaft;the drive shaft being rotatingly drivable about its axis within the neck, by the driving means; wherein the movement is situated within a cavity in the head and is connected to the brush back plate, for moving the brush back plate along an eccentric orbital path with respect to the head when driven by the driving means via the rotating drive shaft.

REFERENCES:
patent: 4027348 (1977-06-01), Flowers et al.
patent: 4791945 (1988-12-01), Moriyama
patent: 3529861 (1987-02-01), None
patent: 2004041114 (2004-05-01), None

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